Package org.exoplatform.services.database.utils

Class JDBCUtils

java.lang.Object

org.exoplatform.services.database.utils.JDBCUtils

public class JDBCUtils
extends Object

Version:

$Id: JDBCUtils.java 34360 2009-07-22 23:58:59Z tolusha $

Author:

Anatoliy Bazko

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SQL_DELIMITER	Default SQL delimiter.
static final String	SQL_DELIMITER_COMMENT_PREFIX	SQL delimiter comment prefix.
static final String	SQL_DELIMITER_COMMENT_SUFFIX

Method Summary

Modifier and Type	Method	Description
static String	cleanWhitespaces(String string)	Replace whitespace characters with space character.
static void	freeResources(ResultSet resultSet, Statement statement, Connection conn)	Closes database related resources.
static String	getAppropriateBlobType(DataSource dataSource)	Returns appropriate blob type field for specific database.
static String	getAppropriateCharType(DataSource dataSource)	Returns appropriate char type field for specific database.
static String	getAppropriateTimestamp(DataSource dataSource)	Returns appropriate timestamp type field for specific database.
static String	getFullMessage(SQLException exception)	Retrieves the full message from SQLException.
static String	resolveDialect(DataSource dataSource)	Returns dialect one of dialect DialectConstants based on DataSource name.
static String[]	splitWithSQLDelimiter(String resource)	Split string resource with SQL Delimiter.
static boolean	tableExists(String tableName, Connection con)	Indicates whether or not a given table exists

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SQL_DELIMITER

public static final String SQL_DELIMITER

Default SQL delimiter.

See Also:

• Constant Field Values

SQL_DELIMITER_COMMENT_PREFIX

public static final String SQL_DELIMITER_COMMENT_PREFIX

SQL delimiter comment prefix.

See Also:

• Constant Field Values

SQL_DELIMITER_COMMENT_SUFFIX

public static final String SQL_DELIMITER_COMMENT_SUFFIX

See Also:

• Constant Field Values

Method Details

tableExists

public static boolean tableExists(String tableName,
 Connection con)

Indicates whether or not a given table exists

Parameters:

tableName - the name of the table to check

con - the connection to use

Returns:

true if it exists, false otherwise

getFullMessage

public static String getFullMessage(SQLException exception)

Retrieves the full message from SQLException.

Parameters:

exception - SQLException which will be parsed

cleanWhitespaces

public static String cleanWhitespaces(String string)

Replace whitespace characters with space character.

splitWithSQLDelimiter

public static String[] splitWithSQLDelimiter(String resource)

Split string resource with SQL Delimiter. Delimiter can be taken from resource at the begining of the first line. It surrounded with SQL_DELIMITER_COMMENT_PREFIX and SQL_DELIMITER_COMMENT_SUFFIX. Otherwise the default delimiter will be used SQL_DELIMITER.

getAppropriateBlobType

public static String getAppropriateBlobType(DataSource dataSource)
                                     throws SQLException

Returns appropriate blob type field for specific database.

Throws:

SQLException

getAppropriateTimestamp

public static String getAppropriateTimestamp(DataSource dataSource)
                                      throws SQLException

Returns appropriate timestamp type field for specific database.

Throws:

SQLException

getAppropriateCharType

public static String getAppropriateCharType(DataSource dataSource)
                                     throws SQLException

Returns appropriate char type field for specific database.

Throws:

SQLException

resolveDialect

public static String resolveDialect(DataSource dataSource)
                             throws SQLException

Returns dialect one of dialect DialectConstants based on DataSource name.

Throws:

SQLException

freeResources

public static void freeResources(ResultSet resultSet,
 Statement statement,
 Connection conn)

Closes database related resources.