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提交 7f5904c6 编写于 作者: S Sam Brannen
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Remove internal APIs from ScriptUtils in spring-r2dbc 

Prior to this commit, many of the utility methods in ScriptUtils in
spring-r2dbc were public by accident: they were copied from ScriptUtils
in spring-jdbc without changing the visibility when spring-r2dbc was
introduced in Spring Framework. 5.3 GA.

This commit corrects this mistake by removing internal APIs from
ScriptUtils in spring-r2dbc from the public contract.

See gh-26947
上级 66e48885
隐藏空白更改
内联 并排
Showing with 23 addition and 157 deletion
spring-r2dbc/src/main/java/org/springframework/r2dbc/connection/init/ScriptUtils.java
浏览文件 @ 7f5904c6
......@@ -85,15 +85,10 @@ public abstract class ScriptUtils {
*/
public static final String EOF_STATEMENT_SEPARATOR = "^^^ END OF SCRIPT ^^^";
/**
* Default prefix for single-line comments within SQL scripts: {@code "--"}.
*/
public static final String DEFAULT_COMMENT_PREFIX = "--";
/**
* Default prefixes for single-line comments within SQL scripts: {@code ["--"]}.
*/
public static final String[] DEFAULT_COMMENT_PREFIXES = {DEFAULT_COMMENT_PREFIX};
public static final String[] DEFAULT_COMMENT_PREFIXES = {"--"};
/**
* Default start delimiter for block comments within SQL scripts: {@code "/*"}.
......@@ -109,87 +104,6 @@ public abstract class ScriptUtils {
private static final Log logger = LogFactory.getLog(ScriptUtils.class);
/**
* Split an SQL script into separate statements delimited by the provided
* separator character. Each individual statement will be added to the
* provided {@code List}.
* <p>Within the script, {@value #DEFAULT_COMMENT_PREFIX} will be used as the
* comment prefix; any text beginning with the comment prefix and extending to
* the end of the line will be omitted from the output. Similarly,
* {@value #DEFAULT_BLOCK_COMMENT_START_DELIMITER} and
* {@value #DEFAULT_BLOCK_COMMENT_END_DELIMITER} will be used as the
* <em>start</em> and <em>end</em> block comment delimiters: any text enclosed
* in a block comment will be omitted from the output. In addition, multiple
* adjacent whitespace characters will be collapsed into a single space.
* @param script the SQL script
* @param separator character separating each statement (typically a ';')
* @param statements the list that will contain the individual statements
* @throws ScriptException if an error occurred while splitting the SQL script
* @see #splitSqlScript(String, String, List)
* @see #splitSqlScript(EncodedResource, String, String, String, String, String, List)
*/
public static void splitSqlScript(String script, char separator, List<String> statements) throws ScriptException {
splitSqlScript(script, String.valueOf(separator), statements);
}
/**
* Split an SQL script into separate statements delimited by the provided
* separator string. Each individual statement will be added to the
* provided {@code List}.
* <p>Within the script, {@value #DEFAULT_COMMENT_PREFIX} will be used as the
* comment prefix; any text beginning with the comment prefix and extending to
* the end of the line will be omitted from the output. Similarly,
* {@value #DEFAULT_BLOCK_COMMENT_START_DELIMITER} and
* {@value #DEFAULT_BLOCK_COMMENT_END_DELIMITER} will be used as the
* <em>start</em> and <em>end</em> block comment delimiters: any text enclosed
* in a block comment will be omitted from the output. In addition, multiple
* adjacent whitespace characters will be collapsed into a single space.
* @param script the SQL script
* @param separator text separating each statement
* (typically a ';' or newline character)
* @param statements the list that will contain the individual statements
* @throws ScriptException if an error occurred while splitting the SQL script
* @see #splitSqlScript(String, char, List)
* @see #splitSqlScript(EncodedResource, String, String, String, String, String, List)
*/
public static void splitSqlScript(String script, String separator, List<String> statements) throws ScriptException {
splitSqlScript(null, script, separator, DEFAULT_COMMENT_PREFIX, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
DEFAULT_BLOCK_COMMENT_END_DELIMITER, statements);
}
/**
* Split an SQL script into separate statements delimited by the provided
* separator string. Each individual statement will be added to the provided
* {@code List}.
* <p>Within the script, the provided {@code commentPrefix} will be honored:
* any text beginning with the comment prefix and extending to the end of the
* line will be omitted from the output. Similarly, the provided
* {@code blockCommentStartDelimiter} and {@code blockCommentEndDelimiter}
* delimiters will be honored: any text enclosed in a block comment will be
* omitted from the output. In addition, multiple adjacent whitespace characters
* will be collapsed into a single space.
* @param resource the resource from which the script was read
* @param script the SQL script
* @param separator text separating each statement
* (typically a ';' or newline character)
* @param commentPrefix the prefix that identifies SQL line comments
* (typically "--")
* @param blockCommentStartDelimiter the <em>start</em> block comment delimiter;
* never {@code null} or empty
* @param blockCommentEndDelimiter the <em>end</em> block comment delimiter;
* never {@code null} or empty
* @param statements the list that will contain the individual statements
* @throws ScriptException if an error occurred while splitting the SQL script
*/
public static void splitSqlScript(@Nullable EncodedResource resource, String script,
String separator, String commentPrefix, String blockCommentStartDelimiter,
String blockCommentEndDelimiter, List<String> statements) throws ScriptException {
Assert.hasText(commentPrefix, "'commentPrefix' must not be null or empty");
splitSqlScript(resource, script, separator, new String[] { commentPrefix },
blockCommentStartDelimiter, blockCommentEndDelimiter, statements);
}
/**
* Split an SQL script into separate statements delimited by the provided
* separator string. Each individual statement will be added to the provided
......@@ -214,7 +128,7 @@ public abstract class ScriptUtils {
* @param statements the list that will contain the individual statements
* @throws ScriptException if an error occurred while splitting the SQL script
*/
public static void splitSqlScript(@Nullable EncodedResource resource, String script,
static void splitSqlScript(@Nullable EncodedResource resource, String script,
String separator, String[] commentPrefixes, String blockCommentStartDelimiter,
String blockCommentEndDelimiter, List<String> statements) throws ScriptException {
......@@ -303,18 +217,6 @@ public abstract class ScriptUtils {
}
}
/**
* Read a script from the given resource, using "{@code --}" as the comment prefix
* and "{@code ;}" as the statement separator, and build a String containing the lines.
* @param resource the {@code EncodedResource} to be read
* @param dataBufferFactory the factory to create data buffers with
* @return {@code String} containing the script lines
*/
public static Mono<String> readScript(EncodedResource resource, DataBufferFactory dataBufferFactory) {
return readScript(resource, dataBufferFactory, DEFAULT_STATEMENT_SEPARATOR, DEFAULT_COMMENT_PREFIXES,
DEFAULT_BLOCK_COMMENT_END_DELIMITER);
}
/**
* Read a script from the provided resource, using the supplied comment prefixes
* and statement separator, and build a {@code String} containing the lines.
......@@ -331,7 +233,7 @@ public abstract class ScriptUtils {
* @return a {@link Mono} of {@link String} containing the script lines that
* completes once the resource was loaded
*/
private static Mono<String> readScript(EncodedResource resource, DataBufferFactory dataBufferFactory,
static Mono<String> readScript(EncodedResource resource, DataBufferFactory dataBufferFactory,
@Nullable String separator, @Nullable String[] commentPrefixes, @Nullable String blockCommentEndDelimiter) {
return DataBufferUtils.join(DataBufferUtils.read(resource.getResource(), dataBufferFactory, 8192))
......@@ -353,29 +255,6 @@ public abstract class ScriptUtils {
});
}
/**
* Read a script from the provided {@code LineNumberReader}, using the supplied
* comment prefix and statement separator, and build a {@code String} containing
* the lines.
* <p>Lines <em>beginning</em> with the comment prefix are excluded from the
* results; however, line comments anywhere else &mdash; for example, within
* a statement &mdash; will be included in the results.
* @param lineNumberReader the {@code LineNumberReader} containing the script
* to be processed
* @param commentPrefix the prefix that identifies comments in the SQL script
* (typically "--")
* @param separator the statement separator in the SQL script (typically ";")
* @param blockCommentEndDelimiter the <em>end</em> block comment delimiter
* @return a {@code String} containing the script lines
* @throws IOException in case of I/O errors
*/
public static String readScript(LineNumberReader lineNumberReader, @Nullable String commentPrefix,
@Nullable String separator, @Nullable String blockCommentEndDelimiter) throws IOException {
String[] commentPrefixes = (commentPrefix != null) ? new String[] { commentPrefix } : null;
return readScript(lineNumberReader, commentPrefixes, separator, blockCommentEndDelimiter);
}
/**
* Read a script from the provided {@code LineNumberReader}, using the supplied
* comment prefixes and statement separator, and build a {@code String} containing
......@@ -392,7 +271,7 @@ public abstract class ScriptUtils {
* @return a {@code String} containing the script lines
* @throws IOException in case of I/O errors
*/
public static String readScript(LineNumberReader lineNumberReader, @Nullable String[] commentPrefixes,
private static String readScript(LineNumberReader lineNumberReader, @Nullable String[] commentPrefixes,
@Nullable String separator, @Nullable String blockCommentEndDelimiter) throws IOException {
String currentStatement = lineNumberReader.readLine();
......@@ -435,25 +314,6 @@ public abstract class ScriptUtils {
return false;
}
/**
* Determine if the provided SQL script contains the specified delimiter.
* <p>This method is intended to be used to find the string delimiting each
* SQL statement &mdash; for example, a ';' character.
* <p>Any occurrence of the delimiter within the script will be ignored if it
* is within a <em>literal</em> block of text enclosed in single quotes
* ({@code '}) or double quotes ({@code "}), if it is escaped with a backslash
* ({@code \}), or if it is within a single-line comment or block comment.
* @param script the SQL script to search within
* @param delimiter the statement delimiter to search for
* @see #DEFAULT_COMMENT_PREFIXES
* @see #DEFAULT_BLOCK_COMMENT_START_DELIMITER
* @see #DEFAULT_BLOCK_COMMENT_END_DELIMITER
*/
public static boolean containsSqlScriptDelimiters(String script, String delimiter) {
return containsStatementSeparator(null, script, delimiter, DEFAULT_COMMENT_PREFIXES,
DEFAULT_BLOCK_COMMENT_START_DELIMITER, DEFAULT_BLOCK_COMMENT_END_DELIMITER);
}
/**
* Determine if the provided SQL script contains the specified statement separator.
* <p>This method is intended to be used to find the string separating each
......@@ -474,7 +334,7 @@ public abstract class ScriptUtils {
* (typically <code>"*&#47;"</code>)
* @since 5.3.8
*/
private static boolean containsStatementSeparator(@Nullable EncodedResource resource, String script,
static boolean containsStatementSeparator(@Nullable EncodedResource resource, String script,
String separator, String[] commentPrefixes, String blockCommentStartDelimiter,
String blockCommentEndDelimiter) throws ScriptException {
......@@ -547,7 +407,7 @@ public abstract class ScriptUtils {
* @throws ScriptException if an error occurred while executing the SQL script
* @see #executeSqlScript(Connection, EncodedResource, DataBufferFactory, boolean, boolean, String[], String, String, String)
* @see #DEFAULT_STATEMENT_SEPARATOR
* @see #DEFAULT_COMMENT_PREFIX
* @see #DEFAULT_COMMENT_PREFIXES
* @see #DEFAULT_BLOCK_COMMENT_START_DELIMITER
* @see #DEFAULT_BLOCK_COMMENT_END_DELIMITER
* @see org.springframework.r2dbc.connection.ConnectionFactoryUtils#getConnection
......@@ -571,7 +431,7 @@ public abstract class ScriptUtils {
* @throws ScriptException if an error occurred while executing the SQL script
* @see #executeSqlScript(Connection, EncodedResource, DataBufferFactory, boolean, boolean, String[], String, String, String)
* @see #DEFAULT_STATEMENT_SEPARATOR
* @see #DEFAULT_COMMENT_PREFIX
* @see #DEFAULT_COMMENT_PREFIXES
* @see #DEFAULT_BLOCK_COMMENT_START_DELIMITER
* @see #DEFAULT_BLOCK_COMMENT_END_DELIMITER
* @see org.springframework.r2dbc.connection.ConnectionFactoryUtils#getConnection
......@@ -579,7 +439,7 @@ public abstract class ScriptUtils {
*/
public static Mono<Void> executeSqlScript(Connection connection, EncodedResource resource) throws ScriptException {
return executeSqlScript(connection, resource, DefaultDataBufferFactory.sharedInstance, false, false,
DEFAULT_COMMENT_PREFIX, DEFAULT_STATEMENT_SEPARATOR, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
DEFAULT_COMMENT_PREFIXES, DEFAULT_STATEMENT_SEPARATOR, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
DEFAULT_BLOCK_COMMENT_END_DELIMITER);
}
......
spring-r2dbc/src/test/java/org/springframework/r2dbc/connection/init/ScriptUtilsUnitTests.java
浏览文件 @ 7f5904c6
......@@ -33,8 +33,6 @@ import static org.springframework.r2dbc.connection.init.ScriptUtils.DEFAULT_BLOC
import static org.springframework.r2dbc.connection.init.ScriptUtils.DEFAULT_BLOCK_COMMENT_START_DELIMITER;
import static org.springframework.r2dbc.connection.init.ScriptUtils.DEFAULT_COMMENT_PREFIXES;
import static org.springframework.r2dbc.connection.init.ScriptUtils.DEFAULT_STATEMENT_SEPARATOR;
import static org.springframework.r2dbc.connection.init.ScriptUtils.containsSqlScriptDelimiters;
import static org.springframework.r2dbc.connection.init.ScriptUtils.splitSqlScript;
/**
* Unit tests for {@link ScriptUtils}.
......@@ -143,7 +141,7 @@ public class ScriptUtilsUnitTests {
private void splitScriptContainingComments(String script, String... commentPrefixes) {
List<String> statements = new ArrayList<>();
splitSqlScript(null, script, ";", commentPrefixes, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
ScriptUtils.splitSqlScript(null, script, ";", commentPrefixes, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
DEFAULT_BLOCK_COMMENT_END_DELIMITER, statements);
String statement1 = "insert into customer (id, name) values (1, 'Rod; Johnson'), (2, 'Adrian Collier')";
......@@ -159,7 +157,7 @@ public class ScriptUtilsUnitTests {
public void readAndSplitScriptContainingCommentsWithLeadingTabs() throws Exception {
String script = readScript("test-data-with-comments-and-leading-tabs.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
splitSqlScript(script, ";", statements);
String statement1 = "insert into customer (id, name) values (1, 'Sam Brannen')";
String statement2 = "insert into orders(id, order_date, customer_id) values (1, '2013-06-08', 1)";
......@@ -172,7 +170,7 @@ public class ScriptUtilsUnitTests {
public void readAndSplitScriptContainingMultiLineComments() throws Exception {
String script = readScript("test-data-with-multi-line-comments.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
splitSqlScript(script, ";", statements);
String statement1 = "INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller')";
String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Sam' , 'Brannen' )";
......@@ -184,7 +182,7 @@ public class ScriptUtilsUnitTests {
public void readAndSplitScriptContainingMultiLineNestedComments() throws Exception {
String script = readScript("test-data-with-multi-line-nested-comments.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
splitSqlScript(script, ";", statements);
String statement1 = "INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller')";
String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Sam' , 'Brannen' )";
......@@ -225,13 +223,21 @@ public class ScriptUtilsUnitTests {
"'/* double \\\" quotes */\ninsert into colors(color_num) values(42);' # ; # true"
})
public void containsStatementSeparator(String script, String delimiter, boolean expected) {
// Indirectly tests ScriptUtils.containsStatementSeparator(EncodedResource, String, String, String[], String, String).
assertThat(containsSqlScriptDelimiters(script, delimiter)).isEqualTo(expected);
boolean contains = ScriptUtils.containsStatementSeparator(null, script, delimiter, DEFAULT_COMMENT_PREFIXES,
DEFAULT_BLOCK_COMMENT_START_DELIMITER, DEFAULT_BLOCK_COMMENT_END_DELIMITER);
assertThat(contains).isEqualTo(expected);
}
private String readScript(String path) throws Exception {
EncodedResource resource = new EncodedResource(new ClassPathResource(path, getClass()));
return ScriptUtils.readScript(resource, DefaultDataBufferFactory.sharedInstance).block();
return ScriptUtils.readScript(resource, DefaultDataBufferFactory.sharedInstance, DEFAULT_STATEMENT_SEPARATOR,
DEFAULT_COMMENT_PREFIXES, DEFAULT_BLOCK_COMMENT_END_DELIMITER).block();
}
private static void splitSqlScript(String script, String separator, List<String> statements) throws ScriptException {
ScriptUtils.splitSqlScript(null, script, separator, DEFAULT_COMMENT_PREFIXES, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
DEFAULT_BLOCK_COMMENT_END_DELIMITER, statements);
}
}
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