o adding IT it0094

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@465867 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jason van Zyl 2006-10-19 20:50:16 +00:00
parent fcbc0a3f9c
commit a7e210270f
4 changed files with 287 additions and 0 deletions

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.codehaus.mojo</groupId>
<artifactId>mojo</artifactId>
<version>5</version>
</parent>
<groupId>org.apache.maven.it</groupId>
<artifactId>maven-core-it0094-mojo</artifactId>
<packaging>maven-plugin</packaging>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-plugin-api</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-model</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>[1.2.9,]</version>
</dependency>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-utils</artifactId>
<version>1.0.5</version>
</dependency>
<dependency>
<groupId>xalan</groupId>
<artifactId>xalan</artifactId>
<version>2.5.1</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.5.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>2.0.0</version>
<scope>compile</scope>
</dependency>
</dependencies>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-plugin-plugin</artifactId>
</plugin>
</plugins>
</reporting>
</project>

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/*
* Copyright 2005-2006 Brian Fox (brianefox@gmail.com)
*
* 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.codehaus.mojo.kodo;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.xerces.jaxp.SAXParserFactoryImpl;
import org.codehaus.classworlds.ClassRealm;
import javax.xml.parsers.SAXParserFactory;
import java.lang.reflect.Field;
import java.net.URL;
import java.net.URLClassLoader;
/**
* Goal that enhances persistant classes
*
* @requiresDependancyResolution test
* @goal enhance
* @phase compile
*/
public class Enhance
extends AbstractMojo
{
public Enhance()
{
super();
}
public void execute()
throws MojoExecutionException
{
printClassPath();
ClassLoader originalLoader = Thread.currentThread().getContextClassLoader();
System.out.println( originalLoader.getClass() );
setupClassloader();
originalLoader = Thread.currentThread().getContextClassLoader();
System.out.println( originalLoader.getClass() );
SAXParserFactoryImpl spi = new SAXParserFactoryImpl();
SAXParserFactory spf = SAXParserFactory.newInstance();
this.getLog().info( spf.toString() );
String t = "org/apache/xerces/jaxp/SAXParserFactoryImpl.class";
this.getLog().info( t );
URL url = originalLoader.getResource( t );
//URL url = spf.getClass().getClassLoader().getResource("javax/xml/parsers/SAXParserFactory.class");
this.getLog().info( "Loaded from: " + url.toString() );
}
/**
* Adds nessessary items to the classloader.
*
* @return ClassLoader original Classloader.
* @throws MojoExecutionException
*/
public ClassLoader setupClassloader()
throws MojoExecutionException
{
URLClassLoader loader = null;
ClassLoader originalLoader = Thread.currentThread().getContextClassLoader();
this.getLog().info( "orig classloader:" );
printURLClassPath( Thread.currentThread().getContextClassLoader(), "" );
URL[] urls = new URL[0];
loader = new URLClassLoader( urls, originalLoader );
Thread.currentThread().setContextClassLoader( loader );
this.getLog().info( "new classloader:" );
printURLClassPath( Thread.currentThread().getContextClassLoader(), "" );
return originalLoader;
}
public void printURLClassPath( ClassLoader sysClassLoader, String s )
throws MojoExecutionException
{
//Get the Classloader
//Get the URLs
URL[] urls;
if ( sysClassLoader instanceof URLClassLoader )
{
urls = ( (URLClassLoader) sysClassLoader ).getURLs();
}
else
{
try
{
Field f = sysClassLoader.getClass().getDeclaredField( "realm" );
f.setAccessible( true );
ClassRealm r = (ClassRealm) f.get( sysClassLoader );
urls = r.getConstituents();
}
catch ( NoSuchFieldException e )
{
throw new MojoExecutionException( "mee ", e );
}
catch ( IllegalAccessException e )
{
throw new MojoExecutionException( "mee ", e );
}
}
for ( int i = 0; i < urls.length; i++ )
{
this.getLog().info( s + urls[i].getFile() );
}
if ( sysClassLoader.getParent() != null )
{
printURLClassPath( sysClassLoader.getParent(), s + " " );
}
}
public void printClassPath()
{
ClassLoader sysClassLoader = Thread.currentThread().getContextClassLoader();
URL[] urls = null;
Field field;
try
{
field = sysClassLoader.getClass().getDeclaredField( "realm" );
field.setAccessible( true );
ClassRealm realm = (ClassRealm) field.get( sysClassLoader );
urls = realm.getConstituents();
}
catch ( SecurityException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch ( NoSuchFieldException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch ( IllegalArgumentException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch ( IllegalAccessException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
//URL[] urls = ( (URLClassLoader) sysClassLoader ).getURLs();
this.getLog().info( "Initial Classpath:" );
for ( int i = 0; i < urls.length; i++ )
{
this.getLog().info( urls[i].getFile() );
}
}
}

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.apache.maven.it</groupId>
<artifactId>maven-core-it0094</artifactId>
<description>Test classloading issues with mojos after 2.0 (MNG-1898).</description>
<packaging>pom</packaging>
<version>1.0-SNAPSHOT</version>
<modules>
<module>mojo</module>
<module>test</module>
</modules>
</project>

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.maven.it</groupId>
<artifactId>maven-core-it0094</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>maven-core-it0094-test</artifactId>
<dependencies>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.it</groupId>
<artifactId>maven-core-it0094-mojo</artifactId>
<executions>
<execution>
<id>process-classes</id>
<phase>process-classes</phase>
<goals>
<goal>enhance</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>