Java Doc for DbUtils.java in  » Database-JDBC-Connection-Pool » Database-Utilities » org » apache » commons » dbutils » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » Database Utilities » org.apache.commons.dbutils   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.dbutils.DbUtils DbUtils final public class DbUtils (Code) A collection of JDBC helper methods. This class is thread safe. Method Summary public static  void close(Connection conn)      Close a Connection, avoid closing if null. public static  void close(ResultSet rs)      Close a ResultSet, avoid closing if null. public static  void close(Statement stmt)      Close a Statement, avoid closing if null. public static  void closeQuietly(Connection conn)      Close a Connection, avoid closing if null and hide any SQLExceptions that occur. public static  void closeQuietly(Connection conn, Statement stmt, ResultSet rs)      Close a Connection, Statement and ResultSet. public static  void closeQuietly(ResultSet rs)      Close a ResultSet, avoid closing if null and hide any SQLExceptions that occur. public static  void closeQuietly(Statement stmt)      Close a Statement, avoid closing if null and hide any SQLExceptions that occur. public static  void commitAndClose(Connection conn)      Commits a Connection then closes it, avoid closing if null. public static  void commitAndCloseQuietly(Connection conn)      Commits a Connection then closes it, avoid closing if null and hide any SQLExceptions that occur. public static  boolean loadDriver(String driverClassName)      Loads and registers a database driver class. public static  void printStackTrace(SQLException e)      Print the stack trace for a SQLException to STDERR. public static  void printStackTrace(SQLException e, PrintWriter pw)      Print the stack trace for a SQLException to a specified PrintWriter. public static  void printWarnings(Connection conn)      Print warnings on a Connection to STDERR. public static  void printWarnings(Connection conn, PrintWriter pw)      Print warnings on a Connection to a specified PrintWriter. public static  void rollback(Connection conn)      Rollback any changes made on the given connection. Parameters:   conn - Connection to rollback. public static  void rollbackAndClose(Connection conn)      Performs a rollback on the Connection then closes it, avoid closing if null. Parameters:   conn - Connection to rollback. public static  void rollbackAndCloseQuietly(Connection conn)      Performs a rollback on the Connection then closes it, avoid closing if null and hide any SQLExceptions that occur. Parameters:   conn - Connection to rollback. Method Detail close public static void close(Connection conn) throws SQLException(Code) Close a Connection, avoid closing if null. Parameters:   conn - Connection to close. throws:   SQLException - if a database access error occurs close public static void close(ResultSet rs) throws SQLException(Code) Close a ResultSet, avoid closing if null. Parameters:   rs - ResultSet to close. throws:   SQLException - if a database access error occurs close public static void close(Statement stmt) throws SQLException(Code) Close a Statement, avoid closing if null. Parameters:   stmt - Statement to close. throws:   SQLException - if a database access error occurs closeQuietly public static void closeQuietly(Connection conn)(Code) Close a Connection, avoid closing if null and hide any SQLExceptions that occur. Parameters:   conn - Connection to close. closeQuietly public static void closeQuietly(Connection conn, Statement stmt, ResultSet rs)(Code) Close a Connection, Statement and ResultSet. Avoid closing if null and hide any SQLExceptions that occur. Parameters:   conn - Connection to close. Parameters:   stmt - Statement to close. Parameters:   rs - ResultSet to close. closeQuietly public static void closeQuietly(ResultSet rs)(Code) Close a ResultSet, avoid closing if null and hide any SQLExceptions that occur. Parameters:   rs - ResultSet to close. closeQuietly public static void closeQuietly(Statement stmt)(Code) Close a Statement, avoid closing if null and hide any SQLExceptions that occur. Parameters:   stmt - Statement to close. commitAndClose public static void commitAndClose(Connection conn) throws SQLException(Code) Commits a Connection then closes it, avoid closing if null. Parameters:   conn - Connection to close. throws:   SQLException - if a database access error occurs commitAndCloseQuietly public static void commitAndCloseQuietly(Connection conn)(Code) Commits a Connection then closes it, avoid closing if null and hide any SQLExceptions that occur. Parameters:   conn - Connection to close. loadDriver public static boolean loadDriver(String driverClassName)(Code) Loads and registers a database driver class. If this succeeds, it returns true, else it returns false. Parameters:   driverClassName - of driver to load boolean true if the driver was found, otherwise false printStackTrace public static void printStackTrace(SQLException e)(Code) Print the stack trace for a SQLException to STDERR. Parameters:   e - SQLException to print stack trace of printStackTrace public static void printStackTrace(SQLException e, PrintWriter pw)(Code) Print the stack trace for a SQLException to a specified PrintWriter. Parameters:   e - SQLException to print stack trace of Parameters:   pw - PrintWriter to print to printWarnings public static void printWarnings(Connection conn)(Code) Print warnings on a Connection to STDERR. Parameters:   conn - Connection to print warnings from printWarnings public static void printWarnings(Connection conn, PrintWriter pw)(Code) Print warnings on a Connection to a specified PrintWriter. Parameters:   conn - Connection to print warnings from Parameters:   pw - PrintWriter to print to rollback public static void rollback(Connection conn) throws SQLException(Code) Rollback any changes made on the given connection. Parameters:   conn - Connection to rollback. A null value is legal. throws:   SQLException - if a database access error occurs rollbackAndClose public static void rollbackAndClose(Connection conn) throws SQLException(Code) Performs a rollback on the Connection then closes it, avoid closing if null. Parameters:   conn - Connection to rollback. A null value is legal. throws:   SQLException - if a database access error occurs since:    DbUtils 1.1 rollbackAndCloseQuietly public static void rollbackAndCloseQuietly(Connection conn)(Code) Performs a rollback on the Connection then closes it, avoid closing if null and hide any SQLExceptions that occur. Parameters:   conn - Connection to rollback. A null value is legal. since:    DbUtils 1.1 Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)