org.springbyexample.jdbc.datasource.InitializingDriverManagerDataSource.java Source code

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Here is the source code for org.springbyexample.jdbc.datasource.InitializingDriverManagerDataSource.java

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/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed 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.springbyexample.jdbc.datasource;

//import java.sql.Driver;

import org.springbyexample.jdbc.core.SqlScriptProcessor;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.jdbc.datasource.SimpleDriverDataSource;
//import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;

/**
 * Initializing version of <code>DriverManagerDataSource</code>.
 * After the properties are set any database initialization scripts are run.
 * This is very useful for unit testing.
 *
 * <p>Sample Spring Configuration:</p>
 * 
 * <pre>
 *
 *    <bean id="dataSource" class="org.springbyexample.jdbc.datasource.InitializingDriverManagerDataSource">
 *      <property name="driverClassName" value="org.hsqldb.jdbcDriver"/>
 *      <property name="url" value="jdbc:hsqldb:mem:Test"/>
 *      <property name="username" value="sa"/>
 *      <property name="password" value=""/>
 *
 *      <property name="sqlScriptProcessor">
 *        <bean class="org.springbyexample.jdbc.core.SqlScriptProcessor">
 *         <property name="sqlScripts">
 *             <list>
 *                 <value>classpath:/schema-hsqldb.sql</value>
 *             </list>
 *         </property>
 *        </bean>
 *      </property>
 *   </bean>
 *
 * </pre>
 *
 * @author David Winterfeldt
 *
 * @see org.springframework.jdbc.datasource.SimpleDriverDataSource
 * @see org.springbyexample.jdbc.core.SqlScriptProcessor
 */
public class InitializingDriverManagerDataSource extends SimpleDriverDataSource implements InitializingBean {

    protected String driverClassName = null;
    protected SqlScriptProcessor sqlScriptProcessor = null;

    /**
     * Sets driver class name.  The class should implement
     * <code>java.sql.Driver</code>.  This is a shortcut for
     * calling <code>setDriver(Driver driver)</code> on the parent class.
     */
    public void setDriverClassName(String driverClassName) {
        this.driverClassName = driverClassName;
    }

    /**
     * Sets SQL script processor.
     */
    public void setSqlScriptProcessor(SqlScriptProcessor sqlScriptProcessor) {
        this.sqlScriptProcessor = sqlScriptProcessor;
    }

    /**
     * Implementation of <code>InitializingBean</code>
     */
    public void afterPropertiesSet() throws Exception {
        // if driver class name isn't blank, set
        // driver class on SimpleDriverDataSource.
        if (getDriver() == null && StringUtils.hasText(driverClassName)) {
            setDriverClass(ClassUtils.forName(driverClassName));
        }

        if (sqlScriptProcessor != null) {
            sqlScriptProcessor.setDataSource(this);

            sqlScriptProcessor.process();
        }
    }

}