Fix compile issue.

skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/src/main/java/com/a/eye/skywalking/plugin/httpClient/v4/HttpClientExecuteInterceptor.java

+package com.a.eye.skywalking.plugin.httpClient.v4;
+
+
+import com.a.eye.skywalking.api.context.ContextCarrier;
+import com.a.eye.skywalking.api.context.ContextManager;
+import com.a.eye.skywalking.api.plugin.interceptor.EnhancedClassInstanceContext;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.InstanceMethodInvokeContext;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.MethodInterceptResult;
+import com.a.eye.skywalking.trace.Span;
+import com.a.eye.skywalking.trace.tag.Tags;
+
+import org.apache.http.Header;
+import org.apache.http.HttpHost;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+
+/**
+ * {@link HttpClientExecuteInterceptor} create span and set the serialized context
+ * data to {@link HttpRequest#setHeader(Header)} by using {@link #HEADER_NAME_OF_CONTEXT_DATA} for the header key.
+ *
+ * @author zhangxin
+ */
+public class HttpClientExecuteInterceptor implements InstanceMethodsAroundInterceptor {
+    public static final String HEADER_NAME_OF_CONTEXT_DATA = "SKYWALKING_CONTEXT_DATA";
+
+    @Override
+    public void beforeMethod(EnhancedClassInstanceContext context,
+                             InstanceMethodInvokeContext interceptorContext, MethodInterceptResult result) {
+        Object[] allArguments = interceptorContext.allArguments();
+        if (allArguments[0] == null || allArguments[1] == null) {
+            // illegal args, can't trace. ignore.
+            return;
+        }
+        HttpHost httpHost = (HttpHost) allArguments[0];
+        HttpRequest httpRequest = (HttpRequest) allArguments[1];
+
+        Span span = ContextManager.INSTANCE.createSpan(httpRequest.getRequestLine().getUri());
+        Tags.PEER_PORT.set(span, httpHost.getPort());
+        Tags.PEER_HOST.set(span, httpHost.getHostName());
+        Tags.SPAN_KIND.set(span, Tags.SPAN_KIND_CLIENT);
+        Tags.URL.set(span, generateURL(httpHost, httpRequest));
+        Tags.SPAN_LAYER.asHttp(span);
+
+        ContextCarrier contextCarrier = new ContextCarrier();
+        ContextManager.INSTANCE.inject(contextCarrier);
+        httpRequest.setHeader(HEADER_NAME_OF_CONTEXT_DATA, contextCarrier.serialize());
+    }
+
+    /**
+     * Generate request URL by using {@link HttpRequest} and {@link HttpHost}
+     *
+     * @return request URL
+     */
+    private String generateURL(HttpHost httpHost, HttpRequest httpRequest) {
+        return httpHost.getSchemeName() + "://" + httpHost.getHostName() + ":" + httpHost.getPort() + httpRequest.getRequestLine().getUri();
+    }
+
+    @Override
+    public Object afterMethod(EnhancedClassInstanceContext context,
+                              InstanceMethodInvokeContext interceptorContext, Object ret) {
+        Object[] allArguments = interceptorContext.allArguments();
+        if (allArguments[0] == null || allArguments[1] == null) {
+            return ret;
+        }
+
+        HttpResponse response = (HttpResponse) ret;
+        int statusCode = response.getStatusLine().getStatusCode();
+        Span span = ContextManager.INSTANCE.activeSpan();
+        if (statusCode != 200) {
+            Tags.ERROR.set(span, true);
+        }
+
+        Tags.STATUS_CODE.set(span, statusCode);
+        ContextManager.INSTANCE.stopSpan();
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(Throwable t, EnhancedClassInstanceContext context, InstanceMethodInvokeContext interceptorContext) {
+        ContextManager.INSTANCE.activeSpan().log(t);
+    }
+
+}

skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/src/main/java/com/a/eye/skywalking/plugin/httpClient/v4/define/AbstractHttpClientInstrumentation.java

+package com.a.eye.skywalking.plugin.httpClient.v4.define;
+
+
+import com.a.eye.skywalking.api.plugin.interceptor.InstanceMethodsInterceptPoint;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+import org.apache.http.HttpHost;
+import org.apache.http.HttpRequest;
+import org.apache.http.protocol.HttpContext;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+
+/**
+ * {@link AbstractHttpClientInstrumentation} presents that skywalking will intercept
+ * {@link org.apache.http.impl.client.AbstractHttpClient#doExecute(HttpHost, HttpRequest, HttpContext)}
+ * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
+ *
+ * @author zhangxin
+ */
+public class AbstractHttpClientInstrumentation extends HttpClientInstrumentation {
+
+    /**
+     * enhance class.
+     */
+    private static final String ENHANCE_CLASS = "org.apache.http.impl.client.AbstractHttpClient";
+
+    @Override
+    public String enhanceClassName() {
+        return ENHANCE_CLASS;
+    }
+
+    /**
+     * version 4.2, intercept method: execute, intercept<br/>
+     * public final HttpResponse execute(HttpHost target, HttpRequest request,
+     * HttpContext context)<br/>
+     */
+    @Override
+    protected InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[]{new InstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named("doExecute");
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return getInstanceMethodsInterceptor();
+            }
+        }};
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/src/main/java/com/a/eye/skywalking/plugin/httpClient/v4/define/DefaultRequestDirectorInstrumentation.java

+package com.a.eye.skywalking.plugin.httpClient.v4.define;
+
+
+import com.a.eye.skywalking.api.plugin.interceptor.InstanceMethodsInterceptPoint;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+import org.apache.http.HttpHost;
+import org.apache.http.HttpRequest;
+import org.apache.http.protocol.HttpContext;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+
+/**
+ * {@link AbstractHttpClientInstrumentation} presents that skywalking will intercept
+ * {@link org.apache.http.impl.client.DefaultRequestDirector#execute(HttpHost, HttpRequest, HttpContext)}
+ * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
+ *
+ * @author zhangxin
+ */
+public class DefaultRequestDirectorInstrumentation extends HttpClientInstrumentation {
+
+    /**
+     * Enhance class.
+     */
+    private static final String enhanceClass = "org.apache.http.impl.client.DefaultRequestDirector";
+
+    /**
+     * DefaultRequestDirector is default implement.<br/>
+     * usually use in version 4.0-4.2<br/>
+     * since 4.3, this class is Deprecated.
+     */
+    @Override
+    public String enhanceClassName() {
+        return enhanceClass;
+    }
+
+    @Override
+    protected InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[]{new InstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named("execute");
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return getInstanceMethodsInterceptor();
+            }
+        }};
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/src/main/java/com/a/eye/skywalking/plugin/httpClient/v4/define/HttpClientInstrumentation.java

+package com.a.eye.skywalking.plugin.httpClient.v4.define;
+
+
+import com.a.eye.skywalking.api.plugin.interceptor.ConstructorInterceptPoint;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
+
+/**
+ * {@link HttpClientInstrumentation} present that skywalking will intercept {@link HttpClientInstrumentation#enhanceClassName()}
+ * by using {@link com.a.eye.skywalking.plugin.httpClient.v4.HttpClientExecuteInterceptor}
+ *
+ * @author zhangxin
+ */
+public abstract class HttpClientInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
+
+    /**
+     * Intercept class.
+     */
+    private static final String INTERCEPT_CLASS = "com.a.eye.skywalking.plugin.httpClient.v4.HttpClientExecuteInterceptor";
+
+    @Override
+    protected ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
+        return null;
+    }
+
+    protected String getInstanceMethodsInterceptor() {
+        return INTERCEPT_CLASS;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/src/main/java/com/a/eye/skywalking/plugin/httpClient/v4/define/InternalHttpClientInstrumentation.java

+package com.a.eye.skywalking.plugin.httpClient.v4.define;
+
+
+import com.a.eye.skywalking.api.plugin.interceptor.InstanceMethodsInterceptPoint;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+import org.apache.http.HttpHost;
+import org.apache.http.HttpRequest;
+import org.apache.http.protocol.HttpContext;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+
+/**
+ * {@link AbstractHttpClientInstrumentation} presents that skywalking will intercept {@link org.apache.http.impl.client.InternalHttpClient#doExecute(HttpHost, HttpRequest, HttpContext)}
+ * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
+ *
+ * @author zhangxin
+ */
+public class InternalHttpClientInstrumentation extends HttpClientInstrumentation {
+
+    /**
+     * Enhance class.
+     */
+    private static final String ENHANCE_CLASS = "org.apache.http.impl.client.InternalHttpClient";
+
+    @Override
+    public String enhanceClassName() {
+        return ENHANCE_CLASS;
+    }
+
+    @Override
+    protected InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[]{new InstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named("doExecute");
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return getInstanceMethodsInterceptor();
+            }
+        }};
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/src/main/java/com/a/eye/skywalking/plugin/httpClient/v4/define/MinimalHttpClientInstrumentation.java

+package com.a.eye.skywalking.plugin.httpClient.v4.define;
+
+
+import com.a.eye.skywalking.api.plugin.interceptor.InstanceMethodsInterceptPoint;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+import org.apache.http.HttpHost;
+import org.apache.http.HttpRequest;
+import org.apache.http.protocol.HttpContext;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+
+/**
+ * {@link AbstractHttpClientInstrumentation} presents that skywalking will
+ * intercept {@link org.apache.http.impl.client.MinimalHttpClient#doExecute(HttpHost, HttpRequest, HttpContext)}
+ * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
+ *
+ * @author zhangxin
+ */
+public class MinimalHttpClientInstrumentation extends HttpClientInstrumentation {
+
+    /**
+     * Enhance class.
+     */
+    private static final String ENHANCE_CLASS = "org.apache.http.impl.client.MinimalHttpClient";
+
+    @Override
+    public String enhanceClassName() {
+        return ENHANCE_CLASS;
+    }
+
+    @Override
+    protected InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[]{new InstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named("doExecute");
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return getInstanceMethodsInterceptor();
+            }
+        }};
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/CallableStatementTracing.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+
+import com.a.eye.skywalking.api.context.ContextManager;
+import com.a.eye.skywalking.api.util.StringUtil;
+import com.a.eye.skywalking.trace.Span;
+import com.a.eye.skywalking.trace.tag.Tags;
+
+import java.sql.SQLException;
+
+/**
+ * {@link CallableStatementTracing} create span with the {@link Span#operationName} start with
+ * "JDBC/CallableStatement/"and set {@link ConnectionInfo#dbType} to the {@link Tags#COMPONENT}.
+ *
+ * Notice: {@link Tags#PEERS} may be is null if database connection url don't contain multiple hosts.
+ *
+ * @author zhangxin
+ */
+public class CallableStatementTracing {
+
+    public static <R> R execute(java.sql.CallableStatement realStatement,
+                                ConnectionInfo connectInfo, String method, String sql, Executable<R> exec)
+            throws SQLException {
+        try {
+            Span span = ContextManager.INSTANCE.createSpan("JDBC/CallableStatement/" + method);
+            Tags.DB_TYPE.set(span, "sql");
+            Tags.DB_INSTANCE.set(span, connectInfo.getDatabaseName());
+            Tags.DB_STATEMENT.set(span, sql);
+            Tags.COMPONENT.set(span, connectInfo.getDBType());
+            if (!StringUtil.isEmpty(connectInfo.getHosts())) {
+                Tags.PEERS.set(span, connectInfo.getHosts());
+            } else {
+                Tags.PEER_PORT.set(span, connectInfo.getPort());
+                Tags.PEER_HOST.set(span, connectInfo.getHost());
+            }
+            return exec.exe(realStatement, sql);
+        } catch (SQLException e) {
+            Span span = ContextManager.INSTANCE.activeSpan();
+            Tags.ERROR.set(span, true);
+            span.log(e);
+            throw e;
+        } finally {
+            ContextManager.INSTANCE.stopSpan();
+        }
+    }
+
+    public interface Executable<R> {
+        R exe(java.sql.CallableStatement realConnection, String sql)
+                throws SQLException;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/ConnectionInfo.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+/**
+ * {@link ConnectionInfo} stored the jdbc connection info, the connection info contains db type, host, port, database name.
+ * The {@link #hosts} be null if {@link #host} is not null.
+ *
+ * @author zhangxin
+ */
+public class ConnectionInfo {
+    /**
+     * DB type, such as mysql, oracle, h2.
+     */
+    private final String dbType;
+    /**
+     * Database host name.
+     */
+    private String host;
+    /**
+     * Database port.
+     */
+    private int port;
+    /**
+     * Operation database name.
+     */
+    private final String databaseName;
+    /**
+     * Database hosts.
+     */
+    private String hosts;
+
+    public ConnectionInfo(String dbType, String host, int port, String databaseName) {
+        this.dbType = dbType;
+        this.host = host;
+        this.port = port;
+        this.databaseName = databaseName;
+    }
+
+    public ConnectionInfo(String dbType, String hosts, String databaseName) {
+        this.dbType = dbType;
+        this.hosts = hosts;
+        this.databaseName = databaseName;
+    }
+
+    public String getDBType() {
+        return dbType;
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    public int getPort() {
+        return port;
+    }
+
+    public String getDatabaseName() {
+        return databaseName;
+    }
+
+    public String getHosts() {
+        return hosts;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/ConnectionTracing.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+
+import com.a.eye.skywalking.api.context.ContextManager;
+import com.a.eye.skywalking.api.util.StringUtil;
+import com.a.eye.skywalking.trace.Span;
+import com.a.eye.skywalking.trace.tag.Tags;
+
+import java.sql.SQLException;
+
+/**
+ * {@link ConnectionTracing} create span with the {@link Span#operationName} start with
+ * "JDBC/Connection/"and set {@link ConnectionInfo#dbType} to the {@link Tags#COMPONENT}.
+ *
+ * Notice: {@link Tags#PEERS} may be is null if database connection url don't contain multiple hosts.
+ *
+ * @author zhangxin
+ */
+public class ConnectionTracing {
+
+    public static <R> R execute(java.sql.Connection realConnection,
+                                ConnectionInfo connectInfo, String method, String sql, Executable<R> exec)
+            throws SQLException {
+        try {
+            Span span = ContextManager.INSTANCE.createSpan("JDBC/Connection/" + method);
+            Tags.DB_TYPE.set(span, "sql");
+            Tags.DB_INSTANCE.set(span, connectInfo.getDatabaseName());
+            Tags.DB_STATEMENT.set(span, sql);
+            Tags.COMPONENT.set(span, connectInfo.getDBType());
+            if (!StringUtil.isEmpty(connectInfo.getHosts())) {
+                Tags.PEERS.set(span, connectInfo.getHosts());
+            } else {
+                Tags.PEER_PORT.set(span, connectInfo.getPort());
+                Tags.PEER_HOST.set(span, connectInfo.getHost());
+            }
+            return exec.exe(realConnection, sql);
+        } catch (SQLException e) {
+            Span span = ContextManager.INSTANCE.activeSpan();
+            Tags.ERROR.set(span, true);
+            span.log(e);
+            throw e;
+        } finally {
+            ContextManager.INSTANCE.stopSpan();
+        }
+    }
+
+    public interface Executable<R> {
+        R exe(java.sql.Connection realConnection, String sql)
+                throws SQLException;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/PreparedStatementTracing.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+import com.a.eye.skywalking.api.context.ContextManager;
+import com.a.eye.skywalking.api.util.StringUtil;
+import com.a.eye.skywalking.trace.Span;
+import com.a.eye.skywalking.trace.tag.Tags;
+
+import java.sql.SQLException;
+
+/**
+ * {@link PreparedStatementTracing} create span with the {@link Span#operationName} start with
+ * "JDBC/PreparedStatement/"and set {@link ConnectionInfo#dbType} to the {@link Tags#COMPONENT}.
+ *
+ * Notice: {@link Tags#PEERS} may be is null if database connection url don't contain multiple hosts.
+ *
+ * @author zhangxin
+ */
+public class PreparedStatementTracing {
+
+    public static <R> R execute(java.sql.PreparedStatement realStatement,
+                                ConnectionInfo connectInfo, String method, String sql, Executable<R> exec)
+            throws SQLException {
+        try {
+            Span span = ContextManager.INSTANCE.createSpan("JDBC/PreparedStatement/" + method);
+            Tags.DB_TYPE.set(span, "sql");
+            Tags.DB_INSTANCE.set(span, connectInfo.getDatabaseName());
+            Tags.DB_STATEMENT.set(span, sql);
+            Tags.COMPONENT.set(span, connectInfo.getDBType());
+            if (!StringUtil.isEmpty(connectInfo.getHosts())) {
+                Tags.PEERS.set(span, connectInfo.getHosts());
+            } else {
+                Tags.PEER_PORT.set(span, connectInfo.getPort());
+                Tags.PEER_HOST.set(span, connectInfo.getHost());
+            }
+            return exec.exe(realStatement, sql);
+        } catch (SQLException e) {
+            Span span = ContextManager.INSTANCE.activeSpan();
+            Tags.ERROR.set(span, true);
+            span.log(e);
+            throw e;
+        } finally {
+            ContextManager.INSTANCE.stopSpan();
+        }
+    }
+
+    public interface Executable<R> {
+        R exe(java.sql.PreparedStatement realConnection, String sql)
+                throws SQLException;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/SWConnection.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+import com.a.eye.skywalking.plugin.jdbc.connectionurl.parser.URLParser;
+
+import java.sql.Array;
+import java.sql.Blob;
+import java.sql.CallableStatement;
+import java.sql.Clob;
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.NClob;
+import java.sql.PreparedStatement;
+import java.sql.SQLClientInfoException;
+import java.sql.SQLException;
+import java.sql.SQLWarning;
+import java.sql.SQLXML;
+import java.sql.Savepoint;
+import java.sql.Statement;
+import java.sql.Struct;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.Executor;
+
+public class SWConnection implements Connection {
+    private ConnectionInfo connectInfo;
+    private final Connection realConnection;
+
+    public SWConnection(String url, Properties info, Connection realConnection) {
+        super();
+        this.connectInfo = URLParser.parser(url);
+        this.realConnection = realConnection;
+    }
+
+    public <T> T unwrap(Class<T> iface) throws SQLException {
+        return realConnection.unwrap(iface);
+    }
+
+    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+        return realConnection.isWrapperFor(iface);
+    }
+
+    public Statement createStatement() throws SQLException {
+        return new SWStatement(this, realConnection.createStatement(),
+                this.connectInfo);
+    }
+
+    public PreparedStatement prepareStatement(String sql) throws SQLException {
+        return new SWPreparedStatement(this,
+                realConnection.prepareStatement(sql), this.connectInfo, sql);
+    }
+
+    public CallableStatement prepareCall(String sql) throws SQLException {
+        return new SWCallableStatement(this, realConnection.prepareCall(sql),
+                this.connectInfo, sql);
+    }
+
+    public String nativeSQL(String sql) throws SQLException {
+        return realConnection.nativeSQL(sql);
+    }
+
+    public void setAutoCommit(boolean autoCommit) throws SQLException {
+        realConnection.setAutoCommit(autoCommit);
+    }
+
+    public boolean getAutoCommit() throws SQLException {
+        return realConnection.getAutoCommit();
+    }
+
+    public void commit() throws SQLException {
+        ConnectionTracing.execute(realConnection, connectInfo, "commit", "",
+                new ConnectionTracing.Executable<String>() {
+                    public String exe(java.sql.Connection realConnection,
+                                      String sql) throws SQLException {
+                        realConnection.commit();
+                        return null;
+                    }
+                });
+    }
+
+    public void rollback() throws SQLException {
+        ConnectionTracing.execute(realConnection, connectInfo, "rollback", "",
+                new ConnectionTracing.Executable<String>() {
+                    public String exe(java.sql.Connection realConnection,
+                                      String sql) throws SQLException {
+                        realConnection.rollback();
+                        return null;
+                    }
+                });
+    }
+
+    public void close() throws SQLException {
+        ConnectionTracing.execute(realConnection, connectInfo, "close", "",
+                new ConnectionTracing.Executable<String>() {
+                    public String exe(java.sql.Connection realConnection,
+                                      String sql) throws SQLException {
+                        realConnection.close();
+                        return null;
+                    }
+                });
+    }
+
+    public boolean isClosed() throws SQLException {
+        return realConnection.isClosed();
+    }
+
+    public DatabaseMetaData getMetaData() throws SQLException {
+        return realConnection.getMetaData();
+    }
+
+    public void setReadOnly(boolean readOnly) throws SQLException {
+        realConnection.setReadOnly(readOnly);
+    }
+
+    public boolean isReadOnly() throws SQLException {
+        return realConnection.isReadOnly();
+    }
+
+    public void setCatalog(String catalog) throws SQLException {
+        realConnection.setCatalog(catalog);
+    }
+
+    public String getCatalog() throws SQLException {
+        return realConnection.getCatalog();
+    }
+
+    public void setTransactionIsolation(int level) throws SQLException {
+        realConnection.setTransactionIsolation(level);
+    }
+
+    public int getTransactionIsolation() throws SQLException {
+        return realConnection.getTransactionIsolation();
+    }
+
+    public SQLWarning getWarnings() throws SQLException {
+        return realConnection.getWarnings();
+    }
+
+    public void clearWarnings() throws SQLException {
+        realConnection.clearWarnings();
+    }
+
+    public Statement createStatement(int resultSetType, int resultSetConcurrency)
+            throws SQLException {
+        return new SWStatement(this, realConnection.createStatement(
+                resultSetType, resultSetConcurrency), this.connectInfo);
+    }
+
+    public PreparedStatement prepareStatement(String sql, int resultSetType,
+                                              int resultSetConcurrency) throws SQLException {
+        return new SWPreparedStatement(this, realConnection.prepareStatement(
+                sql, resultSetType, resultSetConcurrency), this.connectInfo,
+                sql);
+    }
+
+    public CallableStatement prepareCall(String sql, int resultSetType,
+                                         int resultSetConcurrency) throws SQLException {
+        return new SWCallableStatement(this, realConnection.prepareCall(sql,
+                resultSetType, resultSetConcurrency), this.connectInfo, sql);
+    }
+
+    public Map<String, Class<?>> getTypeMap() throws SQLException {
+        return realConnection.getTypeMap();
+    }
+
+    public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
+        realConnection.setTypeMap(map);
+    }
+
+    public void setHoldability(int holdability) throws SQLException {
+        realConnection.setHoldability(holdability);
+    }
+
+    public int getHoldability() throws SQLException {
+        return realConnection.getHoldability();
+    }
+
+    public Savepoint setSavepoint() throws SQLException {
+        return realConnection.setSavepoint();
+    }
+
+    public Savepoint setSavepoint(String name) throws SQLException {
+        return realConnection.setSavepoint(name);
+    }
+
+    public void rollback(final Savepoint savepoint) throws SQLException {
+        ConnectionTracing.execute(realConnection, connectInfo,
+                "rollback to savepoint", "", new ConnectionTracing.Executable<String>() {
+                    public String exe(java.sql.Connection realConnection,
+                                      String sql) throws SQLException {
+                        realConnection.rollback(savepoint);
+                        return null;
+                    }
+                });
+    }
+
+    public void releaseSavepoint(final Savepoint savepoint) throws SQLException {
+        ConnectionTracing.execute(realConnection, connectInfo,
+                "releaseSavepoint savepoint", "", new ConnectionTracing.Executable<String>() {
+                    public String exe(java.sql.Connection realConnection,
+                                      String sql) throws SQLException {
+                        realConnection.releaseSavepoint(savepoint);
+                        return null;
+                    }
+                });
+    }
+
+    public Statement createStatement(int resultSetType,
+                                     int resultSetConcurrency, int resultSetHoldability)
+            throws SQLException {
+        return new SWStatement(this, realConnection.createStatement(
+                resultSetType, resultSetConcurrency, resultSetHoldability),
+                this.connectInfo);
+    }
+
+    public PreparedStatement prepareStatement(String sql, int resultSetType,
+                                              int resultSetConcurrency, int resultSetHoldability)
+            throws SQLException {
+        return new SWPreparedStatement(this,
+                realConnection.prepareStatement(sql, resultSetType,
+                        resultSetConcurrency, resultSetHoldability),
+                this.connectInfo, sql);
+    }
+
+    public CallableStatement prepareCall(String sql, int resultSetType,
+                                         int resultSetConcurrency, int resultSetHoldability)
+            throws SQLException {
+        return new SWCallableStatement(this, realConnection.prepareCall(sql,
+                resultSetType, resultSetConcurrency, resultSetHoldability), this.connectInfo, sql);
+    }
+
+    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
+            throws SQLException {
+        return new SWPreparedStatement(this, realConnection.prepareStatement(
+                sql, autoGeneratedKeys), this.connectInfo, sql);
+    }
+
+    public PreparedStatement prepareStatement(String sql, int[] columnIndexes)
+            throws SQLException {
+        return new SWPreparedStatement(this, realConnection.prepareStatement(
+                sql, columnIndexes), this.connectInfo, sql);
+    }
+
+    public PreparedStatement prepareStatement(String sql, String[] columnNames)
+            throws SQLException {
+        return new SWPreparedStatement(this, realConnection.prepareStatement(
+                sql, columnNames), this.connectInfo, sql);
+    }
+
+    public Clob createClob() throws SQLException {
+        return realConnection.createClob();
+    }
+
+    public Blob createBlob() throws SQLException {
+        return realConnection.createBlob();
+    }
+
+    public NClob createNClob() throws SQLException {
+        return realConnection.createNClob();
+    }
+
+    public SQLXML createSQLXML() throws SQLException {
+        return realConnection.createSQLXML();
+    }
+
+    public boolean isValid(int timeout) throws SQLException {
+        return realConnection.isValid(timeout);
+    }
+
+    public void setClientInfo(String name, String value)
+            throws SQLClientInfoException {
+        realConnection.setClientInfo(name, value);
+    }
+
+    public void setClientInfo(Properties properties)
+            throws SQLClientInfoException {
+        realConnection.setClientInfo(properties);
+    }
+
+    public String getClientInfo(String name) throws SQLException {
+        return realConnection.getClientInfo(name);
+    }
+
+    public Properties getClientInfo() throws SQLException {
+        return realConnection.getClientInfo();
+    }
+
+    public Array createArrayOf(String typeName, Object[] elements)
+            throws SQLException {
+        return realConnection.createArrayOf(typeName, elements);
+    }
+
+    public Struct createStruct(String typeName, Object[] attributes)
+            throws SQLException {
+        return realConnection.createStruct(typeName, attributes);
+    }
+
+    public void setSchema(String schema) throws SQLException {
+        realConnection.setSchema(schema);
+    }
+
+    public String getSchema() throws SQLException {
+        return realConnection.getSchema();
+    }
+
+    public void abort(Executor executor) throws SQLException {
+        realConnection.abort(executor);
+    }
+
+    public void setNetworkTimeout(Executor executor, int milliseconds)
+            throws SQLException {
+        realConnection.setNetworkTimeout(executor, milliseconds);
+    }
+
+    public int getNetworkTimeout() throws SQLException {
+        return realConnection.getNetworkTimeout();
+    }
+
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/SWPreparedStatement.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+import java.net.URL;
+import java.sql.*;
+import java.util.Calendar;
+
+public class SWPreparedStatement implements PreparedStatement {
+    private Connection realConnection;
+    private PreparedStatement realStatement;
+    private ConnectionInfo connectInfo;
+    private String sql;
+
+    SWPreparedStatement(Connection realConnection,
+                        PreparedStatement realStatement, ConnectionInfo connectInfo,
+                        String sql) {
+        this.realConnection = realConnection;
+        this.realStatement = realStatement;
+        this.connectInfo = connectInfo;
+        this.sql = sql;
+    }
+
+    public ResultSet executeQuery(String sql) throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeQuery", sql, new PreparedStatementTracing.Executable<ResultSet>() {
+            public ResultSet exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeQuery(sql);
+            }
+        });
+    }
+
+    public int executeUpdate(String sql) throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new PreparedStatementTracing.Executable<Integer>() {
+            public Integer exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql);
+            }
+        });
+    }
+
+    public void close() throws SQLException {
+        realStatement.close();
+    }
+
+    public int getMaxFieldSize() throws SQLException {
+        return realStatement.getMaxFieldSize();
+    }
+
+    public void setMaxFieldSize(int max) throws SQLException {
+        realStatement.setMaxFieldSize(max);
+    }
+
+    public int getMaxRows() throws SQLException {
+        return realStatement.getMaxRows();
+    }
+
+    public void setMaxRows(int max) throws SQLException {
+        realStatement.setMaxRows(max);
+    }
+
+    public void setEscapeProcessing(boolean enable) throws SQLException {
+        realStatement.setEscapeProcessing(enable);
+    }
+
+    public int getQueryTimeout() throws SQLException {
+        return realStatement.getQueryTimeout();
+    }
+
+    public void setQueryTimeout(int seconds) throws SQLException {
+        realStatement.setQueryTimeout(seconds);
+    }
+
+    public void cancel() throws SQLException {
+        realStatement.cancel();
+    }
+
+    public SQLWarning getWarnings() throws SQLException {
+        return realStatement.getWarnings();
+    }
+
+    public void clearWarnings() throws SQLException {
+        realStatement.clearWarnings();
+    }
+
+    public void setCursorName(String name) throws SQLException {
+        realStatement.setCursorName(name);
+    }
+
+    public boolean execute(String sql) throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "execute", sql, new PreparedStatementTracing.Executable<Boolean>() {
+            public Boolean exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql);
+            }
+        });
+    }
+
+    public ResultSet getResultSet() throws SQLException {
+        return realStatement.getResultSet();
+    }
+
+    public int getUpdateCount() throws SQLException {
+        return realStatement.getUpdateCount();
+    }
+
+    public boolean getMoreResults() throws SQLException {
+        return realStatement.getMoreResults();
+    }
+
+    public void setFetchDirection(int direction) throws SQLException {
+        realStatement.setFetchDirection(direction);
+    }
+
+    public int getFetchDirection() throws SQLException {
+        return realStatement.getFetchDirection();
+    }
+
+    public void setFetchSize(int rows) throws SQLException {
+        realStatement.setFetchSize(rows);
+    }
+
+    public int getFetchSize() throws SQLException {
+        return realStatement.getFetchSize();
+    }
+
+    public int getResultSetConcurrency() throws SQLException {
+        return realStatement.getResultSetConcurrency();
+    }
+
+    public int getResultSetType() throws SQLException {
+        return realStatement.getResultSetType();
+    }
+
+    public void addBatch(String sql) throws SQLException {
+        realStatement.addBatch(sql);
+    }
+
+    public void clearBatch() throws SQLException {
+        realStatement.clearBatch();
+    }
+
+    public int[] executeBatch() throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeBatch", "", new PreparedStatementTracing.Executable<int[]>() {
+            public int[] exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeBatch();
+            }
+        });
+    }
+
+    public Connection getConnection() throws SQLException {
+        return realConnection;
+    }
+
+    public boolean getMoreResults(int current) throws SQLException {
+        return realStatement.getMoreResults(current);
+    }
+
+    public ResultSet getGeneratedKeys() throws SQLException {
+        return realStatement.getGeneratedKeys();
+    }
+
+    public int executeUpdate(String sql, final int autoGeneratedKeys)
+            throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new PreparedStatementTracing.Executable<Integer>() {
+            public Integer exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql, autoGeneratedKeys);
+            }
+        });
+    }
+
+    public int executeUpdate(String sql, final int[] columnIndexes)
+            throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new PreparedStatementTracing.Executable<Integer>() {
+            public Integer exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql, columnIndexes);
+            }
+        });
+    }
+
+    public int executeUpdate(String sql, final String[] columnNames)
+            throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new PreparedStatementTracing.Executable<Integer>() {
+            public Integer exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql, columnNames);
+            }
+        });
+    }
+
+    public boolean execute(String sql, final int autoGeneratedKeys)
+            throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "execute", sql, new PreparedStatementTracing.Executable<Boolean>() {
+            public Boolean exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql, autoGeneratedKeys);
+            }
+        });
+    }
+
+    public boolean execute(String sql, final int[] columnIndexes) throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "execute", sql, new PreparedStatementTracing.Executable<Boolean>() {
+            public Boolean exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql, columnIndexes);
+            }
+        });
+    }
+
+    public boolean execute(String sql, final String[] columnNames)
+            throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "execute", sql, new PreparedStatementTracing.Executable<Boolean>() {
+            public Boolean exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql, columnNames);
+            }
+        });
+    }
+
+    public int getResultSetHoldability() throws SQLException {
+        return realStatement.getResultSetHoldability();
+    }
+
+    public boolean isClosed() throws SQLException {
+        return realStatement.isClosed();
+    }
+
+    public void setPoolable(boolean poolable) throws SQLException {
+        realStatement.setPoolable(poolable);
+    }
+
+    public boolean isPoolable() throws SQLException {
+        return realStatement.isPoolable();
+    }
+
+    public void closeOnCompletion() throws SQLException {
+        realStatement.closeOnCompletion();
+    }
+
+    public boolean isCloseOnCompletion() throws SQLException {
+        return realStatement.isCloseOnCompletion();
+    }
+
+    public <T> T unwrap(Class<T> iface) throws SQLException {
+        return realStatement.unwrap(iface);
+    }
+
+    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+        return realStatement.isWrapperFor(iface);
+    }
+
+    public ResultSet executeQuery() throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeQuery", sql, new PreparedStatementTracing.Executable<ResultSet>() {
+            public ResultSet exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeQuery();
+            }
+        });
+    }
+
+    public int executeUpdate() throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new PreparedStatementTracing.Executable<Integer>() {
+            public Integer exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate();
+            }
+        });
+    }
+
+    public void setNull(int parameterIndex, int sqlType) throws SQLException {
+        realStatement.setNull(parameterIndex, sqlType);
+    }
+
+    public void setBoolean(int parameterIndex, boolean x) throws SQLException {
+        realStatement.setBoolean(parameterIndex, x);
+    }
+
+    public void setByte(int parameterIndex, byte x) throws SQLException {
+        realStatement.setByte(parameterIndex, x);
+    }
+
+    public void setShort(int parameterIndex, short x) throws SQLException {
+        realStatement.setShort(parameterIndex, x);
+    }
+
+    public void setInt(int parameterIndex, int x) throws SQLException {
+        realStatement.setInt(parameterIndex, x);
+    }
+
+    public void setLong(int parameterIndex, long x) throws SQLException {
+        realStatement.setLong(parameterIndex, x);
+    }
+
+    public void setFloat(int parameterIndex, float x) throws SQLException {
+        realStatement.setFloat(parameterIndex, x);
+    }
+
+    public void setDouble(int parameterIndex, double x) throws SQLException {
+        realStatement.setDouble(parameterIndex, x);
+    }
+
+    public void setBigDecimal(int parameterIndex, BigDecimal x)
+            throws SQLException {
+        realStatement.setBigDecimal(parameterIndex, x);
+    }
+
+    public void setString(int parameterIndex, String x) throws SQLException {
+        realStatement.setString(parameterIndex, x);
+    }
+
+    public void setBytes(int parameterIndex, byte[] x) throws SQLException {
+        realStatement.setBytes(parameterIndex, x);
+    }
+
+    public void setDate(int parameterIndex, Date x) throws SQLException {
+        realStatement.setDate(parameterIndex, x);
+    }
+
+    public void setTime(int parameterIndex, Time x) throws SQLException {
+        realStatement.setTime(parameterIndex, x);
+    }
+
+    public void setTimestamp(int parameterIndex, Timestamp x)
+            throws SQLException {
+        realStatement.setTimestamp(parameterIndex, x);
+    }
+
+    public void setAsciiStream(int parameterIndex, InputStream x, int length)
+            throws SQLException {
+        realStatement.setAsciiStream(parameterIndex, x, length);
+    }
+
+    @Deprecated
+    public void setUnicodeStream(int parameterIndex, InputStream x, int length)
+            throws SQLException {
+        realStatement.setUnicodeStream(parameterIndex, x, length);
+    }
+
+    public void setBinaryStream(int parameterIndex, InputStream x, int length)
+            throws SQLException {
+        realStatement.setBinaryStream(parameterIndex, x, length);
+    }
+
+    public void clearParameters() throws SQLException {
+        realStatement.clearParameters();
+    }
+
+    public void setObject(int parameterIndex, Object x, int targetSqlType)
+            throws SQLException {
+        realStatement.setObject(parameterIndex, x, targetSqlType);
+    }
+
+    public void setObject(int parameterIndex, Object x) throws SQLException {
+        realStatement.setObject(parameterIndex, x);
+    }
+
+    public boolean execute() throws SQLException {
+        return PreparedStatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new PreparedStatementTracing.Executable<Boolean>() {
+            public Boolean exe(PreparedStatement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute();
+            }
+        });
+    }
+
+    public void addBatch() throws SQLException {
+        realStatement.addBatch();
+    }
+
+    public void setCharacterStream(int parameterIndex, Reader reader, int length)
+            throws SQLException {
+        realStatement.setCharacterStream(parameterIndex, reader, length);
+    }
+
+    public void setRef(int parameterIndex, Ref x) throws SQLException {
+        realStatement.setRef(parameterIndex, x);
+    }
+
+    public void setBlob(int parameterIndex, Blob x) throws SQLException {
+        realStatement.setBlob(parameterIndex, x);
+    }
+
+    public void setClob(int parameterIndex, Clob x) throws SQLException {
+        realStatement.setClob(parameterIndex, x);
+    }
+
+    public void setArray(int parameterIndex, Array x) throws SQLException {
+        realStatement.setArray(parameterIndex, x);
+    }
+
+    public ResultSetMetaData getMetaData() throws SQLException {
+        return realStatement.getMetaData();
+    }
+
+    public void setDate(int parameterIndex, Date x, Calendar cal)
+            throws SQLException {
+        realStatement.setDate(parameterIndex, x, cal);
+    }
+
+    public void setTime(int parameterIndex, Time x, Calendar cal)
+            throws SQLException {
+        realStatement.setTime(parameterIndex, x, cal);
+    }
+
+    public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal)
+            throws SQLException {
+        realStatement.setTimestamp(parameterIndex, x, cal);
+    }
+
+    public void setNull(int parameterIndex, int sqlType, String typeName)
+            throws SQLException {
+        realStatement.setNull(parameterIndex, sqlType, typeName);
+    }
+
+    public void setURL(int parameterIndex, URL x) throws SQLException {
+        realStatement.setURL(parameterIndex, x);
+    }
+
+    public ParameterMetaData getParameterMetaData() throws SQLException {
+        return realStatement.getParameterMetaData();
+    }
+
+    public void setRowId(int parameterIndex, RowId x) throws SQLException {
+        realStatement.setRowId(parameterIndex, x);
+    }
+
+    public void setNString(int parameterIndex, String value)
+            throws SQLException {
+        realStatement.setNString(parameterIndex, value);
+    }
+
+    public void setNCharacterStream(int parameterIndex, Reader value,
+                                    long length) throws SQLException {
+        realStatement.setNCharacterStream(parameterIndex, value, length);
+    }
+
+    public void setNClob(int parameterIndex, NClob value) throws SQLException {
+        realStatement.setNClob(parameterIndex, value);
+    }
+
+    public void setClob(int parameterIndex, Reader reader, long length)
+            throws SQLException {
+        realStatement.setClob(parameterIndex, reader, length);
+    }
+
+    public void setBlob(int parameterIndex, InputStream inputStream, long length)
+            throws SQLException {
+        realStatement.setBlob(parameterIndex, inputStream, length);
+    }
+
+    public void setNClob(int parameterIndex, Reader reader, long length)
+            throws SQLException {
+        realStatement.setNClob(parameterIndex, reader, length);
+    }
+
+    public void setSQLXML(int parameterIndex, SQLXML xmlObject)
+            throws SQLException {
+        realStatement.setSQLXML(parameterIndex, xmlObject);
+    }
+
+    public void setObject(int parameterIndex, Object x, int targetSqlType,
+                          int scaleOrLength) throws SQLException {
+        realStatement.setObject(parameterIndex, x, targetSqlType, scaleOrLength);
+    }
+
+    public void setAsciiStream(int parameterIndex, InputStream x, long length)
+            throws SQLException {
+        realStatement.setAsciiStream(parameterIndex, x, length);
+    }
+
+    public void setBinaryStream(int parameterIndex, InputStream x, long length)
+            throws SQLException {
+        realStatement.setBinaryStream(parameterIndex, x, length);
+    }
+
+    public void setCharacterStream(int parameterIndex, Reader reader,
+                                   long length) throws SQLException {
+        realStatement.setCharacterStream(parameterIndex, reader, length);
+    }
+
+    public void setAsciiStream(int parameterIndex, InputStream x)
+            throws SQLException {
+        realStatement.setAsciiStream(parameterIndex, x);
+    }
+
+    public void setBinaryStream(int parameterIndex, InputStream x)
+            throws SQLException {
+        realStatement.setBinaryStream(parameterIndex, x);
+    }
+
+    public void setCharacterStream(int parameterIndex, Reader reader)
+            throws SQLException {
+        realStatement.setCharacterStream(parameterIndex, reader);
+    }
+
+    public void setNCharacterStream(int parameterIndex, Reader value)
+            throws SQLException {
+        realStatement.setNCharacterStream(parameterIndex, value);
+    }
+
+    public void setClob(int parameterIndex, Reader reader) throws SQLException {
+        realStatement.setClob(parameterIndex, reader);
+    }
+
+    public void setBlob(int parameterIndex, InputStream inputStream)
+            throws SQLException {
+        realStatement.setBlob(parameterIndex, inputStream);
+    }
+
+    public void setNClob(int parameterIndex, Reader reader) throws SQLException {
+        realStatement.setNClob(parameterIndex, reader);
+    }
+
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/SWStatement.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.SQLWarning;
+
+
+public class SWStatement implements java.sql.Statement {
+    private Connection realConnection;
+    private java.sql.Statement realStatement;
+    private ConnectionInfo connectInfo;
+
+    SWStatement(Connection realConnection, java.sql.Statement realStatement, ConnectionInfo connectInfo) {
+        this.realConnection = realConnection;
+        this.realStatement = realStatement;
+        this.connectInfo = connectInfo;
+    }
+
+    public <T> T unwrap(Class<T> iface) throws SQLException {
+        return realStatement.unwrap(iface);
+    }
+
+    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+        return realStatement.isWrapperFor(iface);
+    }
+
+    public ResultSet executeQuery(String sql) throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "executeQuery", sql, new StatementTracing.Executable<ResultSet>() {
+            public ResultSet exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeQuery(sql);
+            }
+        });
+    }
+
+    public int executeUpdate(String sql) throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new StatementTracing.Executable<Integer>() {
+            public Integer exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql);
+            }
+        });
+    }
+
+    public void close() throws SQLException {
+        realStatement.close();
+    }
+
+    public int getMaxFieldSize() throws SQLException {
+        return realStatement.getMaxFieldSize();
+    }
+
+    public void setMaxFieldSize(int max) throws SQLException {
+        realStatement.setMaxFieldSize(max);
+    }
+
+    public int getMaxRows() throws SQLException {
+        return realStatement.getMaxRows();
+    }
+
+    public void setMaxRows(int max) throws SQLException {
+        realStatement.setMaxRows(max);
+    }
+
+    public void setEscapeProcessing(boolean enable) throws SQLException {
+        realStatement.setEscapeProcessing(enable);
+    }
+
+    public int getQueryTimeout() throws SQLException {
+        return realStatement.getQueryTimeout();
+    }
+
+    public void setQueryTimeout(int seconds) throws SQLException {
+        realStatement.setQueryTimeout(seconds);
+    }
+
+    public void cancel() throws SQLException {
+        realStatement.cancel();
+    }
+
+    public SQLWarning getWarnings() throws SQLException {
+        return realStatement.getWarnings();
+    }
+
+    public void clearWarnings() throws SQLException {
+        realStatement.clearWarnings();
+    }
+
+    public void setCursorName(String name) throws SQLException {
+        realStatement.setCursorName(name);
+    }
+
+    public boolean execute(String sql) throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "execute", sql, new StatementTracing.Executable<Boolean>() {
+            public Boolean exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql);
+            }
+        });
+    }
+
+    public ResultSet getResultSet() throws SQLException {
+        return realStatement.getResultSet();
+    }
+
+    public int getUpdateCount() throws SQLException {
+        return realStatement.getUpdateCount();
+    }
+
+    public boolean getMoreResults() throws SQLException {
+        return realStatement.getMoreResults();
+    }
+
+    public void setFetchDirection(int direction) throws SQLException {
+        realStatement.setFetchDirection(direction);
+    }
+
+    public int getFetchDirection() throws SQLException {
+        return realStatement.getFetchDirection();
+    }
+
+    public void setFetchSize(int rows) throws SQLException {
+        realStatement.setFetchSize(rows);
+    }
+
+    public int getFetchSize() throws SQLException {
+        return realStatement.getFetchSize();
+    }
+
+    public int getResultSetConcurrency() throws SQLException {
+        return realStatement.getResultSetConcurrency();
+    }
+
+    public int getResultSetType() throws SQLException {
+        return realStatement.getResultSetType();
+    }
+
+    public void addBatch(String sql) throws SQLException {
+        realStatement.addBatch(sql);
+    }
+
+    public void clearBatch() throws SQLException {
+        realStatement.clearBatch();
+    }
+
+    public int[] executeBatch() throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "executeBatch", "", new StatementTracing.Executable<int[]>() {
+            public int[] exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeBatch();
+            }
+        });
+    }
+
+    public Connection getConnection() throws SQLException {
+        return this.realConnection;
+    }
+
+    public boolean getMoreResults(int current) throws SQLException {
+        return realStatement.getMoreResults(current);
+    }
+
+    public ResultSet getGeneratedKeys() throws SQLException {
+        return realStatement.getGeneratedKeys();
+    }
+
+    public int executeUpdate(String sql, final int autoGeneratedKeys)
+            throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new StatementTracing.Executable<Integer>() {
+            public Integer exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql, autoGeneratedKeys);
+            }
+        });
+    }
+
+    public int executeUpdate(String sql, final int[] columnIndexes)
+            throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new StatementTracing.Executable<Integer>() {
+            public Integer exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql, columnIndexes);
+            }
+        });
+    }
+
+    public int executeUpdate(String sql, final String[] columnNames)
+            throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "executeUpdate", sql, new StatementTracing.Executable<Integer>() {
+            public Integer exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.executeUpdate(sql, columnNames);
+            }
+        });
+    }
+
+    public boolean execute(String sql, final int autoGeneratedKeys)
+            throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "execute", sql, new StatementTracing.Executable<Boolean>() {
+            public Boolean exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql, autoGeneratedKeys);
+            }
+        });
+    }
+
+    public boolean execute(String sql, final int[] columnIndexes) throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "execute", sql, new StatementTracing.Executable<Boolean>() {
+            public Boolean exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql, columnIndexes);
+            }
+        });
+    }
+
+    public boolean execute(String sql, final String[] columnNames)
+            throws SQLException {
+        return StatementTracing.execute(realStatement, connectInfo, "execute", sql, new StatementTracing.Executable<Boolean>() {
+            public Boolean exe(java.sql.Statement realStatement, String sql)
+                    throws SQLException {
+                return realStatement.execute(sql, columnNames);
+            }
+        });
+    }
+
+    public int getResultSetHoldability() throws SQLException {
+        return realStatement.getResultSetHoldability();
+    }
+
+    public boolean isClosed() throws SQLException {
+        return realStatement.isClosed();
+    }
+
+    public void setPoolable(boolean poolable) throws SQLException {
+        realStatement.setPoolable(poolable);
+    }
+
+    public boolean isPoolable() throws SQLException {
+        return realStatement.isPoolable();
+    }
+
+    public void closeOnCompletion() throws SQLException {
+        realStatement.closeOnCompletion();
+    }
+
+    public boolean isCloseOnCompletion() throws SQLException {
+        return realStatement.isCloseOnCompletion();
+    }
+
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/StatementTracing.java

+package com.a.eye.skywalking.plugin.jdbc;
+
+
+import com.a.eye.skywalking.api.context.ContextManager;
+import com.a.eye.skywalking.api.util.StringUtil;
+import com.a.eye.skywalking.trace.Span;
+import com.a.eye.skywalking.trace.tag.Tags;
+
+import java.sql.SQLException;
+
+/**
+ * {@link StatementTracing} create span with the {@link Span#operationName} start with
+ * "JDBC/Statement/"and set {@link ConnectionInfo#dbType} to the {@link Tags#COMPONENT}.
+ *
+ * Notice: {@link Tags#PEERS} may be is null if database connection url don't contain multiple hosts.
+ *
+ * @author zhangxin
+ */
+public class StatementTracing {
+    public static <R> R execute(java.sql.Statement realStatement,
+                                ConnectionInfo connectInfo, String method, String sql, Executable<R> exec)
+            throws SQLException {
+        try {
+            Span span = ContextManager.INSTANCE.createSpan("JDBC/Statement/" + method);
+            Tags.DB_TYPE.set(span, "sql");
+            Tags.DB_INSTANCE.set(span, connectInfo.getDatabaseName());
+            Tags.DB_STATEMENT.set(span, sql);
+            Tags.COMPONENT.set(span, connectInfo.getDBType());
+            if (!StringUtil.isEmpty(connectInfo.getHosts())) {
+                Tags.PEERS.set(span, connectInfo.getHosts());
+            } else {
+                Tags.PEER_PORT.set(span, connectInfo.getPort());
+                Tags.PEER_HOST.set(span, connectInfo.getHost());
+            }
+            return exec.exe(realStatement, sql);
+        } catch (SQLException e) {
+            Span span = ContextManager.INSTANCE.activeSpan();
+            Tags.ERROR.set(span, true);
+            span.log(e);
+            throw e;
+        } finally {
+            ContextManager.INSTANCE.stopSpan();
+        }
+    }
+
+    public interface Executable<R> {
+        R exe(java.sql.Statement realStatement, String sql)
+                throws SQLException;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/connectionurl/parser/AbstractConnectionURLParser.java

+package com.a.eye.skywalking.plugin.jdbc.connectionurl.parser;
+
+/**
+ * {@link AbstractConnectionURLParser} is abstract class that the class that parse jdbc url.
+ *
+ * @author zhangxin
+ */
+public abstract class AbstractConnectionURLParser implements ConnectionURLParser {
+
+    /**
+     * Connection url
+     */
+    protected String url;
+
+    public AbstractConnectionURLParser(String url) {
+        this.url = url;
+    }
+
+    /**
+     * Fetch the index range that database host and port from connection url.
+     *
+     * @return index range that database hosts.
+     */
+    protected abstract int[] fetchDatabaseHostsIndexRange();
+
+    /**
+     * Fetch the index range that database name from connection url.
+     *
+     * @return index range that database name.
+     */
+    protected abstract int[] fetchDatabaseNameIndexRange();
+
+    /**
+     * Fetch database host(s) from connection url.
+     *
+     * @return database host(s).
+     */
+    protected String fetchDatabaseHostsFromURL() {
+        int[] indexRange = fetchDatabaseHostsIndexRange();
+        return url.substring(indexRange[0], indexRange[1]);
+    }
+
+    /**
+     * Fetch database name from connection url.
+     *
+     * @return database name.
+     */
+    protected String fetchDatabaseNameFromURL() {
+        int[] indexRange = fetchDatabaseNameIndexRange();
+        return url.substring(indexRange[0], indexRange[1]);
+    }
+
+    /**
+     * Fetch database name from connection url.
+     *
+     * @return database name.
+     */
+    protected String fetchDatabaseNameFromURL(int[] indexRange) {
+        return url.substring(indexRange[0], indexRange[1]);
+    }
+
+    public String getConnectionURL() {
+        return this.url;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/connectionurl/parser/ConnectionURLParser.java

+package com.a.eye.skywalking.plugin.jdbc.connectionurl.parser;
+
+import com.a.eye.skywalking.plugin.jdbc.ConnectionInfo;
+
+
+public interface ConnectionURLParser {
+    /**
+     * The class that extend {@link ConnectionURLParser} spilt
+     * the database name , the database host(s) from connection url.
+     *
+     * @return connection info.
+     */
+    ConnectionInfo parse();
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/connectionurl/parser/H2URLParser.java

+package com.a.eye.skywalking.plugin.jdbc.connectionurl.parser;
+
+import com.a.eye.skywalking.plugin.jdbc.ConnectionInfo;
+
+/**
+ * {@link H2URLParser} presents that skywalking how to parse the connection url of H2 database.
+ * {@link ConnectionInfo#host} will return localhost and  {@link ConnectionInfo#port} will return
+ * -1 if H2 running with memory mode or file mode, or it will return the host and the port.
+ *
+ * {@link H2URLParser} check the connection url if contains "file" or "mem". if yes. the database
+ * name substring the connection url from the index after "file" index or the "mem" index to the
+ * index of first charset ";".
+ *
+ * The {@link ConnectionInfo#host} be set the string between charset "//" and the first charset "/" after
+ * the charset "//", and {@link ConnectionInfo#databaseName} be set the string between the last index of "/" and
+ * the first charset ";".
+ *
+ * @author zhangxin
+ */
+public class H2URLParser extends AbstractConnectionURLParser {
+
+    private static final String LOCALHOST = "localhost";
+    /**
+     * Default port that H2 running with mix mode.
+     */
+    private static final int DEFAULT_PORT = 8084;
+    /**
+     * Flag that H2 running with file mode.
+     */
+    private static final String FILE_MODE_FLAG = "file";
+    /**
+     * Flag that H2 running with memory mode.
+     */
+    private static final String MEMORY_MODE_FLAG = "mem";
+    /**
+     * H2 data type.
+     */
+    private static final String H2_DB_TYPE = "H2";
+
+    public H2URLParser(String url) {
+        super(url);
+    }
+
+    @Override
+    protected int[] fetchDatabaseHostsIndexRange() {
+        int hostLabelStartIndex = url.indexOf("//");
+        int hostLabelEndIndex = url.indexOf("/", hostLabelStartIndex + 2);
+        return new int[]{hostLabelStartIndex + 2, hostLabelEndIndex};
+    }
+
+    @Override
+    protected int[] fetchDatabaseNameIndexRange() {
+        int databaseStartTag = url.lastIndexOf("/");
+        int databaseEndTag = url.indexOf(";");
+        if (databaseEndTag == -1) {
+            databaseEndTag = url.length();
+        }
+        return new int[]{databaseStartTag + 1, databaseEndTag};
+    }
+
+    @Override
+    public ConnectionInfo parse() {
+        int[] databaseNameRangeIndex = fetchDatabaseNameRangeIndexFromURLForH2FileMode();
+        if (databaseNameRangeIndex != null) {
+            return new ConnectionInfo(H2_DB_TYPE, LOCALHOST, -1, fetchDatabaseNameFromURL(databaseNameRangeIndex));
+        }
+
+        databaseNameRangeIndex = fetchDatabaseNameRangeIndexFromURLForH2MemMode();
+        if (databaseNameRangeIndex != null) {
+            return new ConnectionInfo(H2_DB_TYPE, LOCALHOST, -1, fetchDatabaseNameFromURL(databaseNameRangeIndex));
+        }
+
+        String[] hostAndPort = fetchDatabaseHostsFromURL().split(":");
+        if (hostAndPort.length == 1) {
+            return new ConnectionInfo(H2_DB_TYPE, hostAndPort[0], DEFAULT_PORT, fetchDatabaseNameFromURL());
+        } else {
+            return new ConnectionInfo(H2_DB_TYPE, hostAndPort[0], Integer.valueOf(hostAndPort[1]), fetchDatabaseNameFromURL());
+        }
+    }
+
+    /**
+     * Fetch range index that the database name from connection url if H2 database running with file mode.
+     *
+     * @return range index that the database name.
+     */
+    private int[] fetchDatabaseNameRangeIndexFromURLForH2FileMode() {
+        int fileLabelIndex = url.indexOf(FILE_MODE_FLAG);
+        int parameterLabelIndex = url.indexOf(";", fileLabelIndex);
+        if (parameterLabelIndex == -1) {
+            parameterLabelIndex = url.length();
+        }
+
+        if (fileLabelIndex != -1) {
+            return new int[]{fileLabelIndex + FILE_MODE_FLAG.length() + 1, parameterLabelIndex};
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Fetch range index that the database name from connection url if H2 database running with memory mode.
+     *
+     * @return range index that the database name.
+     */
+    private int[] fetchDatabaseNameRangeIndexFromURLForH2MemMode() {
+        int fileLabelIndex = url.indexOf(MEMORY_MODE_FLAG);
+        int parameterLabelIndex = url.indexOf(";", fileLabelIndex);
+        if (parameterLabelIndex == -1) {
+            parameterLabelIndex = url.length();
+        }
+
+        if (fileLabelIndex != -1) {
+            return new int[]{fileLabelIndex + MEMORY_MODE_FLAG.length() + 1, parameterLabelIndex};
+        } else {
+            return null;
+        }
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/connectionurl/parser/MysqlURLParser.java

+package com.a.eye.skywalking.plugin.jdbc.connectionurl.parser;
+
+import com.a.eye.skywalking.plugin.jdbc.ConnectionInfo;
+
+/**
+ * {@link MysqlURLParser} presents that how to parse mysql connection url.
+ *
+ * The {@link ConnectionInfo#host} be set the string between charset "//" and the first
+ * charset "/" after the charset "//", and {@link ConnectionInfo#databaseName} be set the
+ * string between the last index of "/" and the first charset "?". but one more thing, the
+ * {@link ConnectionInfo#hosts} be set if the host container multiple host.
+ *
+ * @author zhangxin
+ */
+public class MysqlURLParser extends AbstractConnectionURLParser {
+
+    /**
+     * Mysql default port.
+     */
+    private static final int DEFAULT_PORT = 3306;
+    /**
+     * Mysql db type.
+     */
+    private static final String MYSQL_DB_TYPE = "Mysql";
+
+    public MysqlURLParser(String url) {
+        super(url);
+    }
+
+    @Override
+    protected int[] fetchDatabaseHostsIndexRange() {
+        int hostLabelStartIndex = url.indexOf("//");
+        int hostLabelEndIndex = url.indexOf("/", hostLabelStartIndex + 2);
+        return new int[]{hostLabelStartIndex + 2, hostLabelEndIndex};
+    }
+
+    @Override
+    protected int[] fetchDatabaseNameIndexRange() {
+        int databaseStartTag = url.lastIndexOf("/");
+        int databaseEndTag = url.indexOf("?", databaseStartTag);
+        if (databaseEndTag == -1) {
+            databaseEndTag = url.length();
+        }
+        return new int[]{databaseStartTag + 1, databaseEndTag};
+    }
+
+    @Override
+    public ConnectionInfo parse() {
+        int[] hostRangeIndex = fetchDatabaseHostsIndexRange();
+        String hosts = url.substring(hostRangeIndex[0], hostRangeIndex[1]);
+        String[] hostSegment = hosts.split(",");
+        if (hostSegment.length > 1) {
+            StringBuilder sb = new StringBuilder();
+            for (String host : hostSegment) {
+                if (host.split(":").length == 1) {
+                    sb.append(host + ":" + DEFAULT_PORT + ",");
+                } else {
+                    sb.append(host + ",");
+                }
+            }
+            return new ConnectionInfo(MYSQL_DB_TYPE, sb.toString(), fetchDatabaseNameFromURL());
+        } else {
+            String[] hostAndPort = hostSegment[0].split(":");
+            if (hostAndPort.length != 1) {
+                return new ConnectionInfo(MYSQL_DB_TYPE, hostAndPort[0], Integer.valueOf(hostAndPort[1]), fetchDatabaseNameFromURL());
+            } else {
+                return new ConnectionInfo(MYSQL_DB_TYPE, hostAndPort[0], DEFAULT_PORT, fetchDatabaseNameFromURL());
+            }
+        }
+    }
+
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/connectionurl/parser/OracleURLParser.java

+package com.a.eye.skywalking.plugin.jdbc.connectionurl.parser;
+
+import com.a.eye.skywalking.plugin.jdbc.ConnectionInfo;
+
+/**
+ * {@link OracleURLParser} presents that how to parse oracle connection url.
+ *
+ * The {@link ConnectionInfo#host} be set the string between charset "@" and the last
+ * charset ":" after the charset "@", and {@link ConnectionInfo#databaseName} be set the
+ * string that after the last index of ":".
+ *
+ * Note: {@link OracleURLParser} can parse the commons connection url. the commons
+ * connection url is of the form: <code>jdbc:oracle:<drivertype>:@<database></code>,the other
+ * the form of connection url cannot be parsed success.
+ *
+ * @author zhangxin
+ */
+public class OracleURLParser extends AbstractConnectionURLParser {
+
+    /**
+     * Oracle db type.
+     */
+    private static final String ORACLE_DB_TYPE = "Oracle";
+    /**
+     * Oracle default port
+     */
+    private static final int DEFAULT_PORT = 1521;
+
+    public OracleURLParser(String url) {
+        super(url);
+    }
+
+    @Override
+    protected int[] fetchDatabaseHostsIndexRange() {
+        int hostLabelStartIndex = url.indexOf("@");
+        int hostLabelEndIndex = url.lastIndexOf(":");
+        return new int[]{hostLabelStartIndex + 1, hostLabelEndIndex};
+    }
+
+    @Override
+    protected int[] fetchDatabaseNameIndexRange() {
+        return new int[0];
+    }
+
+    @Override
+    public ConnectionInfo parse() {
+        int[] hostRangeIndex = fetchDatabaseHostsIndexRange();
+        String host = fetchDatabaseHostsFromURL();
+        String[] hostSegment = splitDatabaseAddress(host);
+        String databaseName = url.substring(hostRangeIndex[1] + 1);
+        if (hostSegment.length == 1) {
+            return new ConnectionInfo(ORACLE_DB_TYPE, host, DEFAULT_PORT, databaseName);
+        } else {
+            return new ConnectionInfo(ORACLE_DB_TYPE, hostSegment[0], Integer.valueOf(hostSegment[1]), databaseName);
+        }
+    }
+
+    private String[] splitDatabaseAddress(String address) {
+        String[] hostSegment = address.split(":");
+        return hostSegment;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/connectionurl/parser/URLParser.java

+package com.a.eye.skywalking.plugin.jdbc.connectionurl.parser;
+
+import com.a.eye.skywalking.plugin.jdbc.ConnectionInfo;
+
+/**
+ * {@link URLParser#parser(String)} support parse the connection url, such as Mysql, Oracle, H2 Database.
+ * But there are some url cannot be parsed, such as Oracle connection url with multiple host.
+ *
+ * @author zhangxin
+ */
+public class URLParser {
+    public static ConnectionInfo parser(String url) {
+        ConnectionURLParser parser = null;
+        if (url.startsWith("jdbc:mysql")) {
+            parser = new MysqlURLParser(url);
+        } else if (url.startsWith("jdbc:oracle")) {
+            parser = new OracleURLParser(url);
+        } else if (url.startsWith("jdbc:h2")) {
+            parser = new H2URLParser(url);
+        }
+        return parser.parse();
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/define/AbstractDatabaseInstrumentation.java

+package com.a.eye.skywalking.plugin.jdbc.define;
+
+import com.a.eye.skywalking.api.plugin.interceptor.ConstructorInterceptPoint;
+import com.a.eye.skywalking.api.plugin.interceptor.InstanceMethodsInterceptPoint;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
+import com.a.eye.skywalking.plugin.jdbc.SWConnection;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+import java.util.Properties;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+
+/**
+ * JDBC plugin using {@link JDBCDriverInterceptor} to intercept all the class that extend {@link java.sql.Driver#connect(String, Properties)},
+ * and change the return object to {@link com.a.eye.skywalking.plugin.jdbc.SWConnection}, All the method of {@link com.a.eye.skywalking.plugin.jdbc.SWConnection}
+ * is delete to the real JDBC Driver Connection object.
+ * It will return {@link com.a.eye.skywalking.plugin.jdbc.SWStatement} when {@link java.sql.Driver} to create {@link java.sql.Statement}, return
+ * {@link com.a.eye.skywalking.plugin.jdbc.SWPreparedStatement} when {@link java.sql.Driver} to create {@link java.sql.PreparedStatement} and return
+ * {@link com.a.eye.skywalking.plugin.jdbc.SWCallableStatement} when {@link java.sql.Driver} to create {@link java.sql.CallableStatement}.
+ * of course, {@link com.a.eye.skywalking.plugin.jdbc.SWStatement}, {@link com.a.eye.skywalking.plugin.jdbc.SWPreparedStatement} and
+ * {@link com.a.eye.skywalking.plugin.jdbc.SWCallableStatement} are same as {@link SWConnection}.
+ *
+ * @author zhangxin
+ */
+public abstract class AbstractDatabaseInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
+
+    /**
+     * Intercept class
+     */
+    private static final String INTERCEPT_CLASS = "com.a.eye.skywalking.plugin.jdbc.define.JDBCDriverInterceptor";
+
+    @Override
+    protected ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
+        return null;
+    }
+
+    @Override
+    protected InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[]{new InstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named("connect");
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return INTERCEPT_CLASS;
+            }
+        }};
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/define/H2Instrumentation.java

+package com.a.eye.skywalking.plugin.jdbc.define;
+
+/**
+ * {@link H2Instrumentation} presents that skywalking will intercept {@link org.h2.Driver}.
+ *
+ * @author zhangxin
+ */
+public class H2Instrumentation extends AbstractDatabaseInstrumentation {
+
+    /**
+     * Class of intercept H2 driver
+     */
+    private static final String CLASS_OF_INTERCEPT_H2_DRIVER = "org.h2.Driver";
+
+    @Override
+    protected String enhanceClassName() {
+        return CLASS_OF_INTERCEPT_H2_DRIVER;
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/define/JDBCDriverInterceptor.java

+package com.a.eye.skywalking.plugin.jdbc.define;
+
+import com.a.eye.skywalking.api.plugin.interceptor.EnhancedClassInstanceContext;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.InstanceMethodInvokeContext;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import com.a.eye.skywalking.api.plugin.interceptor.enhance.MethodInterceptResult;
+import com.a.eye.skywalking.plugin.jdbc.SWConnection;
+
+import java.sql.Connection;
+import java.util.Properties;
+
+/**
+ * {@link JDBCDriverInterceptor} will return {@link SWConnection} when {@link java.sql.Driver#connect(String, Properties)},
+ * instead of the instance that extend {@link Connection}.
+ *
+ * @author zhangxin
+ */
+public class JDBCDriverInterceptor implements InstanceMethodsAroundInterceptor {
+    @Override
+    public void beforeMethod(EnhancedClassInstanceContext context, InstanceMethodInvokeContext interceptorContext,
+                             MethodInterceptResult result) {
+        // do nothing
+    }
+
+    @Override
+    public Object afterMethod(EnhancedClassInstanceContext context, InstanceMethodInvokeContext interceptorContext,
+                              Object ret) {
+        return new SWConnection((String) interceptorContext.allArguments()[0],
+                (Properties) interceptorContext.allArguments()[1], (Connection) ret);
+    }
+
+    @Override
+    public void handleMethodException(Throwable t, EnhancedClassInstanceContext context,
+                                      InstanceMethodInvokeContext interceptorContext) {
+        // do nothing.
+    }
+
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/define/MysqlInstrumentation.java

+package com.a.eye.skywalking.plugin.jdbc.define;
+
+/**
+ * {@link MysqlInstrumentation} presents that skywalking will intercept {@link com.mysql.jdbc.Driver}.
+ *
+ * @author zhangxin
+ */
+public class MysqlInstrumentation extends AbstractDatabaseInstrumentation {
+    @Override
+    protected String enhanceClassName() {
+        return "com.mysql.jdbc.Driver";
+    }
+}

skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/src/main/java/com/a/eye/skywalking/plugin/jdbc/define/OracleInstrumentation.java

+package com.a.eye.skywalking.plugin.jdbc.define;
+
+/**
+ * {@link OracleInstrumentation} presents that skywalking will intercept the class <code>oracle.jdbc.OracleDriver
+ * </code>.
+ *
+ * @author zhangxin
+ */
+public class OracleInstrumentation extends AbstractDatabaseInstrumentation {
+    @Override
+    protected String enhanceClassName() {
+        return "oracle.jdbc.OracleDriver";
+    }
+}