7035615: Address lint warnings for javax.sql.rowset & com.sun.rowset

Reviewed-by: alanb, darcy

src/share/classes/com/sun/rowset/CachedRowSetImpl.java

 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -111,13 +111,13 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
      */
     private String tableName;
 
-
     /**
      * A <code>Vector</code> object containing the <code>Row</code>
      * objects that comprise  this <code>CachedRowSetImpl</code> object.
      * @serial
      */
-    private Vector rvh;
+    private Vector<Object> rvh;
+
     /**
      * The current postion of the cursor in this <code>CachedRowSetImpl</code>
      * object.
@@ -293,12 +293,12 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
     /**
      * The Vector holding the Match Columns
      */
-       private Vector iMatchColumns;
+    private Vector<Integer> iMatchColumns;
 
     /**
      * The Vector that will hold the Match Column names.
      */
-       private Vector strMatchColumns;
+    private Vector<String> strMatchColumns;
 
     /**
      * Trigger that indicates whether the active SyncProvider is exposes the
@@ -484,7 +484,7 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
      */
     private void initContainer() {
 
-        rvh = new Vector(100);
+        rvh = new Vector<Object>(100);
         cursorPos = 0;
         absolutePos = 0;
         numRows = 0;
@@ -523,12 +523,12 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
 
         //Instantiating the vector for MatchColumns
 
-        iMatchColumns = new Vector(10);
+        iMatchColumns = new Vector<Integer>(10);
         for(int i = 0; i < 10 ; i++) {
            iMatchColumns.add(i,Integer.valueOf(-1));
         }
 
-        strMatchColumns = new Vector(10);
+        strMatchColumns = new Vector<String>(10);
         for(int j = 0; j < 10; j++) {
            strMatchColumns.add(j,null);
         }
@@ -622,7 +622,7 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
         Row currentRow;
         int numCols;
         int i;
-        Map map = getTypeMap();
+        Map<String, Class<?>> map = getTypeMap();
         Object obj;
         int mRows;
 
@@ -939,14 +939,9 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
      */
     public void acceptChanges(Connection con) throws SyncProviderException{
 
-      try{
       setConnection(con);
       acceptChanges();
-      } catch (SyncProviderException spe) {
-          throw spe;
-      } catch(SQLException sqle){
-          throw new SyncProviderException(sqle.getMessage());
-      }
+
     }
 
     /**
@@ -1289,14 +1284,7 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
      */
     public Collection<?> toCollection() throws SQLException {
 
-        TreeMap tMap;
-        int count = 0;
-        Row origRow;
-        Vector newRow;
-
-        int colCount = ((RowSetMetaDataImpl)this.getMetaData()).getColumnCount();
-
-        tMap = new TreeMap();
+        TreeMap<Integer, Object> tMap = new TreeMap<>();
 
         for (int i = 0; i<numRows; i++) {
             tMap.put(Integer.valueOf(i), rvh.get(i));
@@ -1325,10 +1313,8 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
      */
     public Collection<?> toCollection(int column) throws SQLException {
 
-        Vector vec;
-        Row origRow;
         int nRows = numRows;
-        vec = new Vector(nRows);
+        Vector<Object> vec = new Vector<>(nRows);
 
         // create a copy
         CachedRowSetImpl crsTemp;
@@ -2953,7 +2939,7 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
      */
     public Object getObject(int columnIndex) throws SQLException {
         Object value;
-        java.util.Map map;
+        Map<String, Class<?>> map;
 
         // sanity check.
         checkIndex(columnIndex);
@@ -7257,7 +7243,7 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
         Row currentRow;
         int numCols;
         int i;
-        Map map = getTypeMap();
+        Map<String, Class<?>> map = getTypeMap();
         Object obj;
         int mRows;
 
@@ -7304,11 +7290,11 @@ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetIntern
             resultSet.absolute(start -1);
         }
         if( pageSize == 0) {
-           rvh = new Vector(getMaxRows());
+           rvh = new Vector<Object>(getMaxRows());
 
         }
         else{
-            rvh = new Vector(getPageSize());
+            rvh = new Vector<Object>(getPageSize());
         }
 
         if (data == null) {

src/share/classes/com/sun/rowset/JdbcRowSetImpl.java

 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -93,12 +93,12 @@ public class JdbcRowSetImpl extends BaseRowSet implements JdbcRowSet, Joinable {
     /**
      * The Vector holding the Match Columns
      */
-    private Vector iMatchColumns;
+    private Vector<Integer> iMatchColumns;
 
     /**
      * The Vector that will hold the Match Column names.
      */
-    private Vector strMatchColumns;
+    private Vector<String> strMatchColumns;
 
 
     protected transient JdbcRowSetResourceBundle resBundle;
@@ -213,12 +213,12 @@ public class JdbcRowSetImpl extends BaseRowSet implements JdbcRowSet, Joinable {
 
         //Instantiating the vector for MatchColumns
 
-        iMatchColumns = new Vector(10);
+        iMatchColumns = new Vector<Integer>(10);
         for(int i = 0; i < 10 ; i++) {
            iMatchColumns.add(i,Integer.valueOf(-1));
         }
 
-        strMatchColumns = new Vector(10);
+        strMatchColumns = new Vector<String>(10);
         for(int j = 0; j < 10; j++) {
            strMatchColumns.add(j,null);
         }
@@ -286,12 +286,12 @@ public class JdbcRowSetImpl extends BaseRowSet implements JdbcRowSet, Joinable {
 
         //Instantiating the vector for MatchColumns
 
-        iMatchColumns = new Vector(10);
+        iMatchColumns = new Vector<Integer>(10);
         for(int i = 0; i < 10 ; i++) {
            iMatchColumns.add(i,Integer.valueOf(-1));
         }
 
-        strMatchColumns = new Vector(10);
+        strMatchColumns = new Vector<String>(10);
         for(int j = 0; j < 10; j++) {
            strMatchColumns.add(j,null);
         }
@@ -373,12 +373,12 @@ public class JdbcRowSetImpl extends BaseRowSet implements JdbcRowSet, Joinable {
 
         //Instantiating the vector for MatchColumns
 
-        iMatchColumns = new Vector(10);
+        iMatchColumns = new Vector<Integer>(10);
         for(int i = 0; i < 10 ; i++) {
            iMatchColumns.add(i,Integer.valueOf(-1));
         }
 
-        strMatchColumns = new Vector(10);
+        strMatchColumns = new Vector<String>(10);
         for(int j = 0; j < 10; j++) {
            strMatchColumns.add(j,null);
         }
@@ -463,12 +463,12 @@ public class JdbcRowSetImpl extends BaseRowSet implements JdbcRowSet, Joinable {
 
         //Instantiating the vector for MatchColumns
 
-        iMatchColumns = new Vector(10);
+        iMatchColumns = new Vector<Integer>(10);
         for(int i = 0; i < 10 ; i++) {
            iMatchColumns.add(i,Integer.valueOf(-1));
         }
 
-        strMatchColumns = new Vector(10);
+        strMatchColumns = new Vector<String>(10);
         for(int j = 0; j < 10; j++) {
            strMatchColumns.add(j,null);
         }
@@ -675,7 +675,7 @@ public class JdbcRowSetImpl extends BaseRowSet implements JdbcRowSet, Joinable {
 
         try {
 
-            Map aMap = getTypeMap();
+            Map<String, Class<?>> aMap = getTypeMap();
             if( aMap != null) {
                 conn.setTypeMap(aMap);
             }

src/share/classes/com/sun/rowset/JoinRowSetImpl.java

 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -60,7 +60,7 @@ public class JoinRowSetImpl extends WebRowSetImpl implements JoinRowSet {
      * A <code>Vector</code> object that contains the <code>RowSet</code> objects
      * that have been added to this <code>JoinRowSet</code> object.
      */
-    private Vector vecRowSetsInJOIN;
+    private Vector<CachedRowSetImpl> vecRowSetsInJOIN;
 
     /**
      * The <code>CachedRowSet</code> object that encapsulates this
@@ -78,13 +78,13 @@ public class JoinRowSetImpl extends WebRowSetImpl implements JoinRowSet {
      * for this <code>JoinRowSet</code> object.
      * The last join type set forms the basis of succeeding joins.
      */
-    private Vector vecJoinType;
+    private Vector<Integer> vecJoinType;
 
     /**
      * A <code>Vector</code> object containing the names of all the tables entering
      * the join.
      */
-    private Vector vecTableNames;
+    private Vector<String> vecTableNames;
 
     /**
      * An <code>int</code> that indicates the column index of the match column.
@@ -121,10 +121,10 @@ public class JoinRowSetImpl extends WebRowSetImpl implements JoinRowSet {
      */
     public JoinRowSetImpl() throws SQLException {
 
-        vecRowSetsInJOIN = new Vector();
+        vecRowSetsInJOIN = new Vector<CachedRowSetImpl>();
         crsInternal = new CachedRowSetImpl();
-        vecJoinType = new Vector();
-        vecTableNames = new Vector();
+        vecJoinType = new Vector<Integer>();
+        vecTableNames = new Vector<String>();
         iMatchKey = -1;
         strMatchKey = null;
         supportedJOINs =
@@ -222,7 +222,7 @@ public class JoinRowSetImpl extends WebRowSetImpl implements JoinRowSet {
            // either of the setter methods have been set.
            if(boolColId){
               //
-              ArrayList indices = new ArrayList();
+              ArrayList<Integer> indices = new ArrayList<>();
               for(int i=0;i<cRowset.getMatchColumnNames().length;i++) {
                   if( (strMatchKey = (cRowset.getMatchColumnNames())[i]) != null) {
                       iMatchKey = cRowset.findColumn(strMatchKey);

src/share/classes/javax/sql/rowset/BaseRowSet.java

@@ -296,32 +296,32 @@ import javax.sql.rowset.serial.*;
 
 public abstract class BaseRowSet implements Serializable, Cloneable {
 
-/**
+    /**
      * A constant indicating to a <code>RowSetReaderImpl</code> object
      * that a given parameter is a Unicode stream. This
      * <code>RowSetReaderImpl</code> object is provided as an extension of the
      * <code>SyncProvider</code> abstract class defined in the
      * <code>SyncFactory</code> static factory SPI mechanism.
      */
-public static final int UNICODE_STREAM_PARAM = 0;
+    public static final int UNICODE_STREAM_PARAM = 0;
 
-/**
+    /**
      * A constant indicating to a <code>RowSetReaderImpl</code> object
      * that a given parameter is a binary stream. A
      * <code>RowSetReaderImpl</code> object is provided as an extension of the
      * <code>SyncProvider</code> abstract class defined in the
      * <code>SyncFactory</code> static factory SPI mechanism.
      */
-public static final int BINARY_STREAM_PARAM = 1;
+    public static final int BINARY_STREAM_PARAM = 1;
 
-/**
+    /**
      * A constant indicating to a <code>RowSetReaderImpl</code> object
      * that a given parameter is an ASCII stream. A
      * <code>RowSetReaderImpl</code> object is provided as an extension of the
      * <code>SyncProvider</code> abstract class defined in the
      * <code>SyncFactory</code> static factory SPI mechanism.
      */
-public static final int ASCII_STREAM_PARAM = 2;
+    public static final int ASCII_STREAM_PARAM = 2;
 
     /**
      * The <code>InputStream</code> object that will be
@@ -505,21 +505,21 @@ public static final int ASCII_STREAM_PARAM = 2;
      * custom mapping of user-defined types.
      * @serial
      */
-    private Map map;
+    private Map<String, Class<?>> map;
 
     /**
      * A <code>Vector</code> object that holds the list of listeners
      * that have registered with this <code>RowSet</code> object.
      * @serial
      */
-    private Vector listeners;
+    private Vector<RowSetListener> listeners;
 
     /**
      * A <code>Vector</code> object that holds the parameters set
      * for this <code>RowSet</code> object's current command.
      * @serial
      */
-    private Hashtable params; // could be transient?
+    private Hashtable<Integer, Object> params; // could be transient?
 
     /**
      * Constructs a new <code>BaseRowSet</code> object initialized with
@@ -529,7 +529,7 @@ public static final int ASCII_STREAM_PARAM = 2;
      */
     public BaseRowSet() {
         // allocate the listeners collection
-        listeners = new Vector();
+        listeners = new Vector<RowSetListener>();
     }
 
     /**
@@ -542,7 +542,7 @@ public static final int ASCII_STREAM_PARAM = 2;
      * a <code>RowSet</code> implementation extending this class.
      */
     protected void initParams() {
-        params = new Hashtable();
+        params = new Hashtable<Integer, Object>();
     }
 
     //--------------------------------------------------------------------

src/share/classes/javax/sql/rowset/RowSetMetaDataImpl.java

@@ -912,7 +912,12 @@ public class RowSetMetaDataImpl implements RowSetMetaData,  Serializable {
      * @since 1.6
      */
     public <T> T unwrap(java.lang.Class<T> iface) throws java.sql.SQLException {
-        return (T)this;
+
+        if(isWrapperFor(iface)) {
+            return iface.cast(this);
+        } else {
+            throw new SQLException("unwrap failed for:"+ iface);
+        }
     }
 
     /**
@@ -929,8 +934,9 @@ public class RowSetMetaDataImpl implements RowSetMetaData,  Serializable {
      * @throws java.sql.SQLException  if an error occurs while determining whether this is a wrapper
      * for an object with the given interface.
      * @since 1.6
-     */    public boolean isWrapperFor(Class<?> interfaces) throws SQLException {
-        return false;
+     */
+    public boolean isWrapperFor(Class<?> interfaces) throws SQLException {
+        return interfaces.isInstance(this);
     }
 
     static final long serialVersionUID = 6893806403181801867L;

src/share/classes/javax/sql/rowset/RowSetProvider.java

@@ -204,9 +204,9 @@ public class RowSetProvider {
      *
      */
     static private ClassLoader getContextClassLoader() throws SecurityException {
-        return (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() {
+        return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
 
-            public Object run() {
+            public ClassLoader run() {
                 ClassLoader cl = null;
 
                 cl = Thread.currentThread().getContextClassLoader();
@@ -284,9 +284,9 @@ public class RowSetProvider {
     static private String getSystemProperty(final String propName) {
         String property = null;
         try {
-            property = (String) AccessController.doPrivileged(new PrivilegedAction() {
+            property = AccessController.doPrivileged(new PrivilegedAction<String>() {
 
-                public Object run() {
+                public String run() {
                     return System.getProperty(propName);
                 }
             });