Add cli archetype

This commit is contained in:
dsyer
2008-06-23 10:38:54 +00:00
parent 09d7b58c57
commit 81da1195e9
14 changed files with 621 additions and 0 deletions

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package example;
import org.springframework.batch.item.AbstractItemReader;
import org.springframework.batch.item.ItemReader;
/**
* {@link ItemReader} with hard-coded input data.
*/
public class ExampleItemReader extends AbstractItemReader {
private String[] input = {"Hello world!", null};
private int index = 0;
/**
* Reads next record from input
*/
public Object read() throws Exception {
return input[index++];
}
}

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package example;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.batch.item.AbstractItemWriter;
import org.springframework.batch.item.ItemWriter;
/**
* Dummy {@link ItemWriter} which only logs data it receives.
*/
public class ExampleItemWriter extends AbstractItemWriter {
private static final Log log = LogFactory.getLog(ExampleItemWriterTests.class);
/**
* @see ItemWriter#write(Object)
*/
public void write(Object data) throws Exception {
log.info(data);
}
}

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd">
<!-- Initialise the database before every test case: -->
<import resource="data-source-context-init.xml" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="${batch.jdbc.driver}" />
<property name="url" value="${batch.jdbc.url}" />
<property name="username" value="${batch.jdbc.user}" />
<property name="password" value="${batch.jdbc.password}" />
</bean>
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" lazy-init="true">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- Set up or detect a System property called "environment" used to construct a properties file on the classpath. The default is "hsql". -->
<bean id="environment" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<property name="targetClass" value="java.lang.System" />
<property name="targetMethod" value="setProperty" />
<property name="arguments">
<list>
<value>environment</value>
<bean class="java.lang.System" factory-method="getProperty">
<constructor-arg>
<value>environment</value>
</constructor-arg>
<!-- The default value of the environment property -->
<constructor-arg>
<value>hsql</value>
</constructor-arg>
</bean>
</list>
</property>
</bean>
<!-- Use this to set additional properties on beans at run time -->
<bean id="overrideProperties" class="org.springframework.beans.factory.config.PropertyOverrideConfigurer"
depends-on="environment">
<property name="location" value="classpath:batch-${environment}.properties" />
<!-- Allow system properties (-D) to override those from file -->
<property name="localOverride" value="true" />
<property name="properties">
<bean class="java.lang.System" factory-method="getProperties" />
</property>
<property name="ignoreInvalidKeys" value="true" />
<property name="order" value="2" />
</bean>
<bean id="placeholderProperties" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"
depends-on="environment">
<property name="location" value="classpath:batch-${environment}.properties" />
<property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />
<property name="ignoreUnresolvablePlaceholders" value="true" />
<property name="order" value="1" />
</bean>
<bean id="lobHandler" class="${batch.lob.handler.class}" />
<bean id="incrementerParent" class="${batch.database.incrementer.class}">
<property name="dataSource" ref="dataSource" />
<property name="incrementerName" value="ID" />
</bean>
<!--import resource="alt-data-source-context.xml" /-->
</beans>

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<description>Example job to get you started. It provides a skeleton for a typical batch application.</description>
<import resource="classpath:/simple-job-launcher-context.xml"/>
<bean id="job1" parent="simpleJob">
<property name="steps">
<list>
<bean id="step1" parent="simpleStep">
<property name="itemReader">
<bean class="example.ExampleItemReader" />
</property>
<property name="itemWriter">
<bean class="example.ExampleItemWriter" />
</property>
</bean>
</list>
</property>
</bean>
</beans>

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log4j.rootCategory=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - <%m>%n
log4j.category.org.apache.activemq=ERROR
log4j.category.org.springframework.batch=DEBUG
log4j.category.org.springframework.transaction=INFO
log4j.category.org.hibernate.SQL=DEBUG
# for debugging datasource initialization
# log4j.category.test.jdbc=DEBUG

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/*
* Copyright 2006-2007 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 test.jdbc.datasource;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.sql.DataSource;
import org.apache.commons.io.IOUtils;
import org.springframework.beans.factory.BeanInitializationException;
import org.springframework.beans.factory.config.AbstractFactoryBean;
import org.springframework.core.io.Resource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
public class InitializingDataSourceFactoryBean extends AbstractFactoryBean {
private Resource[] initScripts;
private Resource destroyScript;
DataSource dataSource;
private static boolean initialized = false;
/**
* @throws Throwable
* @see java.lang.Object#finalize()
*/
protected void finalize() throws Throwable {
super.finalize();
initialized = false;
logger.debug("finalize called");
}
protected void destroyInstance(Object instance) throws Exception {
try {
doExecuteScript(destroyScript);
}
catch (Exception e) {
if (logger.isDebugEnabled()) {
logger.warn("Could not execute destroy script [" + destroyScript + "]", e);
}
else {
logger.warn("Could not execute destroy script [" + destroyScript + "]");
}
}
}
public void afterPropertiesSet() throws Exception {
Assert.notNull(dataSource);
super.afterPropertiesSet();
}
protected Object createInstance() throws Exception {
Assert.notNull(dataSource);
if (!initialized) {
try {
doExecuteScript(destroyScript);
}
catch (Exception e) {
logger.debug("Could not execute destroy script [" + destroyScript + "]", e);
}
if (initScripts != null) {
for (int i = 0; i < initScripts.length; i++) {
Resource initScript = initScripts[i];
doExecuteScript(initScript);
}
}
initialized = true;
}
return dataSource;
}
private void doExecuteScript(final Resource scriptResource) {
if (scriptResource == null || !scriptResource.exists())
return;
TransactionTemplate transactionTemplate = new TransactionTemplate(new DataSourceTransactionManager(dataSource));
transactionTemplate.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
String[] scripts;
try {
scripts = StringUtils.delimitedListToStringArray(stripComments(IOUtils.readLines(scriptResource
.getInputStream())), ";");
}
catch (IOException e) {
throw new BeanInitializationException("Cannot load script from [" + scriptResource + "]", e);
}
for (int i = 0; i < scripts.length; i++) {
String script = scripts[i].trim();
if (StringUtils.hasText(script)) {
jdbcTemplate.execute(scripts[i]);
}
}
return null;
}
});
}
private String stripComments(List list) {
StringBuffer buffer = new StringBuffer();
for (Iterator iter = list.iterator(); iter.hasNext();) {
String line = (String) iter.next();
if (!line.startsWith("//") && !line.startsWith("--")) {
buffer.append(line + "\n");
}
}
return buffer.toString();
}
public Class getObjectType() {
return DataSource.class;
}
public void setInitScripts(Resource[] initScripts) {
this.initScripts = initScripts;
}
public void setDestroyScript(Resource destroyScript) {
this.destroyScript = destroyScript;
}
public void setDataSource(DataSource dataSource) {
this.dataSource = dataSource;
}
}