Commons DBCP example source code file (TesterConnection.java)

This example Commons DBCP source code file (TesterConnection.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons DBCP tags/keywords

callablestatement, connection, jdbc, not, not, preparedstatement, preparedstatement, sql, sqlclientinfoexception, sqlexception, sqlexception, sqlwarning, statement, string, string, testerconnection, util

The Commons DBCP TesterConnection.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.dbcp;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.util.Map;
/* JDBC_4_ANT_KEY_BEGIN */
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.NClob;
import java.sql.SQLClientInfoException;
import java.sql.SQLXML;
import java.sql.Struct;
import java.util.Properties;
/* JDBC_4_ANT_KEY_END */

/**
 * A dummy {@link Connection}, for testing purposes.
 * 
 * @author Rodney Waldhoff
 * @author Dirk Verbeeck
 * @version $Revision: 895744 $ $Date: 2010-01-04 13:48:05 -0500 (Mon, 04 Jan 2010) $
 */
public class TesterConnection implements Connection {
    protected boolean _open = true;
    protected boolean _autoCommit = true;
    protected int _transactionIsolation = 1;
    protected DatabaseMetaData _metaData = new TesterDatabaseMetaData();
    protected String _catalog = null;
    protected Map _typeMap = null;
    protected boolean _readOnly = false;
    protected SQLWarning warnings = null;
    protected String username = null;
    protected String password = null;
    protected Exception failure;

    public TesterConnection(String username, String password) {
        this.username = username;
        this.password = password;
    }
    
    public String getUsername() {
        return this.username;
    }

    public void setWarnings(SQLWarning warning) {
        this.warnings = warning;
    }

    public void clearWarnings() throws SQLException {
        checkOpen();
        warnings = null;
    }

    public void close() throws SQLException {
        checkFailure();
        _open = false;
    }

    public void commit() throws SQLException {
        checkOpen();
        if (isReadOnly()) {
            throw new SQLException("Cannot commit a readonly connection");
        }
    }

    public Statement createStatement() throws SQLException {
        checkOpen();
        return new TesterStatement(this);
    }

    public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
        checkOpen();
        return new TesterStatement(this);
    }

    public boolean getAutoCommit() throws SQLException {
        checkOpen();
        return _autoCommit;
    }

    public String getCatalog() throws SQLException {
        checkOpen();
        return _catalog;
    }

    public DatabaseMetaData getMetaData() throws SQLException {
        checkOpen();
        return _metaData;
    }

    public int getTransactionIsolation() throws SQLException {
        checkOpen();
        return _transactionIsolation;
    }

    public Map getTypeMap() throws SQLException {
        checkOpen();
        return _typeMap;
    }

    public SQLWarning getWarnings() throws SQLException {
        checkOpen();
        return warnings;
    }

    public boolean isClosed() throws SQLException {
        checkFailure();
        return !_open;
    }

    public boolean isReadOnly() throws SQLException {
        checkOpen();
        return _readOnly;
    }

    public String nativeSQL(String sql) throws SQLException {
        checkOpen();
        return sql;
    }

    public CallableStatement prepareCall(String sql) throws SQLException {
        checkOpen();
        if ("warning".equals(sql)) {
            setWarnings(new SQLWarning("warning in prepareCall"));
        }
        return new TesterCallableStatement(this);
    }

    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
        checkOpen();
        return new TesterCallableStatement(this);
    }

    public PreparedStatement prepareStatement(String sql) throws SQLException {
        checkOpen();
        if("null".equals(sql)) {
            return null;
        } if("invalid".equals(sql)) {
            throw new SQLException("invalid query");
        } if ("broken".equals(sql)) {
            throw new SQLException("broken connection");
        }
        return new TesterPreparedStatement(this, sql);
    }

    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
        checkOpen();
        return new TesterPreparedStatement(this, sql, resultSetType, resultSetConcurrency);
    }

    public void rollback() throws SQLException {
        checkOpen();
        if (isReadOnly()) {
            throw new SQLException("Cannot rollback a readonly connection");
        }
    }

    public void setAutoCommit(boolean autoCommit) throws SQLException {
        checkOpen();
        _autoCommit = autoCommit;
    }

    public void setCatalog(String catalog) throws SQLException {
        checkOpen();
        _catalog = catalog;
    }

    public void setReadOnly(boolean readOnly) throws SQLException {
        checkOpen();
        _readOnly = readOnly;
    }

    public void setTransactionIsolation(int level) throws SQLException {
        checkOpen();
        _transactionIsolation = level;
    }

    public void setTypeMap(Map map) throws SQLException {
        checkOpen();
        _typeMap = map;
    }

    protected void checkOpen() throws SQLException {
        if(!_open) {
            throw new SQLException("Connection is closed.");
        }
        checkFailure();
    }
    
    protected void checkFailure() throws SQLException {
        if (failure != null) {
            throw (SQLException) new SQLException("TesterConnection failure").initCause(failure);
        }
    }
    
    public void setFailure(Exception failure) {
        this.failure = failure;
    }
    
    public int getHoldability() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public void setHoldability(int holdability) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public java.sql.Savepoint setSavepoint() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public java.sql.Savepoint setSavepoint(String name) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public void rollback(java.sql.Savepoint savepoint) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public void releaseSavepoint(java.sql.Savepoint savepoint) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public Statement createStatement(int resultSetType,
                                     int resultSetConcurrency,
                                     int resultSetHoldability)
        throws SQLException {
        return createStatement();
    }

    public PreparedStatement prepareStatement(String sql, int resultSetType,
                                              int resultSetConcurrency,
                                              int resultSetHoldability)
        throws SQLException {
        return prepareStatement(sql);
    }

    public CallableStatement prepareCall(String sql, int resultSetType,
                                         int resultSetConcurrency,
                                         int resultSetHoldability)
        throws SQLException {
        return prepareCall(sql);
    }

    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
        throws SQLException {
        return prepareStatement(sql);
    }

    public PreparedStatement prepareStatement(String sql, int columnIndexes[])
        throws SQLException {
        return prepareStatement(sql);
    }

    public PreparedStatement prepareStatement(String sql, String columnNames[])
        throws SQLException {
        return prepareStatement(sql);
    }

/* JDBC_4_ANT_KEY_BEGIN */

    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public <T> T unwrap(Class iface) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public Blob createBlob() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public Clob createClob() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public NClob createNClob() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public SQLXML createSQLXML() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public boolean isValid(int timeout) throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public void setClientInfo(String name, String value) throws SQLClientInfoException {
        throw new SQLClientInfoException();
    }

    public void setClientInfo(Properties properties) throws SQLClientInfoException {
        throw new SQLClientInfoException();
    }

    public Properties getClientInfo() throws SQLException {
        throw new SQLException("Not implemented.");
    }

    public String getClientInfo(String name) throws SQLException {
        throw new SQLException("Not implemented.");
    }
/* JDBC_4_ANT_KEY_END */
}