jdbc4preparedstatementwrapper.java

来自「mysql5.0 JDBC 驱动 放在glassfish或者tomcat的li」· Java 代码 · 共 538 行 · 第 1/2 页

/*
 Copyright  2002-2007 MySQL AB, 2008 Sun Microsystems

 This program is free software; you can redistribute it and/or modify
 it under the terms of version 2 of the GNU General Public License as 
 published by the Free Software Foundation.

 There are special exceptions to the terms and conditions of the GPL 
 as it is applied to this software. View the full text of the 
 exception in file EXCEPTIONS-CONNECTOR-J in the directory of this 
 software distribution.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



 */
package com.mysql.jdbc.jdbc2.optional;

import java.io.InputStream;
import java.io.Reader;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.RowId;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.sql.Statement;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import javax.sql.StatementEvent;

import com.mysql.jdbc.ConnectionImpl;
import com.mysql.jdbc.SQLError;
import com.mysql.jdbc.jdbc2.optional.ConnectionWrapper;
import com.mysql.jdbc.jdbc2.optional.MysqlPooledConnection;

/**
 */
public class JDBC4PreparedStatementWrapper extends PreparedStatementWrapper {

	public JDBC4PreparedStatementWrapper(ConnectionWrapper c, MysqlPooledConnection conn,
			PreparedStatement toWrap) {
		super(c, conn, toWrap);
	}
	
	public synchronized void close() throws SQLException {
		if (this.pooledConnection == null) {
			// no-op
			return;
		}
		
		MysqlPooledConnection con = this.pooledConnection; // we need this
														   // later...

		try {
			super.close();
		} finally {
			try {
				StatementEvent e = new StatementEvent(con, this);
				// todo: pull this all up into base classes when we support *only* JDK6 or newer
				if (con instanceof JDBC4MysqlPooledConnection) {
					((JDBC4MysqlPooledConnection) con).fireStatementEvent(e);
				} else if (con instanceof JDBC4MysqlXAConnection) {
					((JDBC4MysqlXAConnection) con).fireStatementEvent(e);
				} else if (con instanceof JDBC4SuspendableXAConnection) {
					((JDBC4SuspendableXAConnection) con).fireStatementEvent(e);
				}
			} finally {
				this.unwrappedInterfaces = null;
			}
		}
	}
	
	public boolean isClosed() throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				return this.wrappedStmt.isClosed();
			} else {
				throw SQLError.createSQLException("Statement already closed",
						SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
		
		return false; // never get here - compiler can't tell
	}
	
	public void setPoolable(boolean poolable) throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				this.wrappedStmt.setPoolable(poolable);
			} else {
				throw SQLError.createSQLException("Statement already closed",
						SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
	}
	
	public boolean isPoolable() throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				return this.wrappedStmt.isPoolable();
			} else {
				throw SQLError.createSQLException("Statement already closed",
						SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
		
		return false; // never get here - compiler can't tell
	}
    
	public void setRowId(int parameterIndex, RowId x) throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setRowId(parameterIndex,
						x);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
	}
	
	public void setNClob(int parameterIndex, NClob value) throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setNClob(parameterIndex,
						value);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
	}

	public void setSQLXML(int parameterIndex, SQLXML xmlObject)
			throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setSQLXML(parameterIndex,
						xmlObject);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
	}
	
	
	public void setNString(int parameterIndex,
            String value)
            throws SQLException {
		try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setNString(parameterIndex,
						value);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
	}
            
    public void setNCharacterStream(int parameterIndex,
                    Reader value,
                    long length)
                    throws SQLException {
    	try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setNCharacterStream(parameterIndex,
						value, length);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
    }

    public void setClob(int parameterIndex,
            Reader reader,
            long length)
            throws SQLException {
    	try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setClob(parameterIndex,
						reader, length);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}	
    }
    
    public void setBlob(int parameterIndex,
            InputStream inputStream,
            long length)
            throws SQLException {
    	try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setBlob(parameterIndex,
						inputStream, length);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}
    }
    
    public void setNClob(int parameterIndex,
            Reader reader,
            long length)
            throws SQLException {
    	try {
			if (this.wrappedStmt != null) {
				((PreparedStatement) this.wrappedStmt).setNClob(parameterIndex,
						reader, length);
			} else {
				throw SQLError.createSQLException(
						"No operations allowed after statement closed",
						SQLError.SQL_STATE_GENERAL_ERROR);
			}
		} catch (SQLException sqlEx) {
			checkAndFireConnectionError(sqlEx);
		}