/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.web.tomcat.service.deployers;
import java.io.ByteArrayInputStream;
import java.util.Properties;
import java.util.Set;
import org.jboss.classloader.spi.filter.ClassFilter;
import org.jboss.classloader.spi.filter.RecursivePackageClassFilter;
import org.jboss.classloading.spi.metadata.ClassLoadingMetaData;
import org.jboss.classloading.spi.metadata.ExportAll;
import org.jboss.classloading.spi.version.Version;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.DeploymentStages;
import org.jboss.deployers.vfs.spi.deployer.AbstractSimpleVFSRealDeployer;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.metadata.common.jboss.LoaderRepositoryConfigMetaData;
import org.jboss.metadata.common.jboss.LoaderRepositoryMetaData;
import org.jboss.metadata.web.jboss.JBossWebMetaData;
/**
* The war deployment class loader deployer.
* TODO: this deployer should not exist. Metadata should be
* driving the existing top-level class loader deployer.
*
* @author Scott.Stark@jboss.org
* @author adrian@jboss.org
* @author ales.justin@jboss.org
*/
public class WarClassLoaderDeployer extends AbstractSimpleVFSRealDeployer<JBossWebMetaData>
{
/** The parent class loader first model flag */
private boolean java2ClassLoadingCompliance = false;
/** Package names that should be ignored for class loading */
private String filteredPackages;
/**
* Create a new WarClassLoaderDeployer.
*/
public WarClassLoaderDeployer()
{
super(JBossWebMetaData.class);
setStage(DeploymentStages.POST_PARSE);
addInput(ClassLoadingMetaData.class);
setOutput(ClassLoadingMetaData.class);
}
public boolean isJava2ClassLoadingCompliance()
{
return java2ClassLoadingCompliance;
}
public void setJava2ClassLoadingCompliance(boolean flag)
{
this.java2ClassLoadingCompliance = flag;
}
public String getFilteredPackages()
{
return filteredPackages;
}
public void setFilteredPackages(String pkgs)
{
this.filteredPackages = pkgs;
}
@Override
public void deploy(VFSDeploymentUnit unit, JBossWebMetaData metaData) throws DeploymentException
{
// Ignore if it already has classloading
if (unit.isAttachmentPresent(ClassLoadingMetaData.class))
return;
// The default domain name is the unit name
String domainName = unit.getName();
// The default classloading compliance is on the deployer
boolean j2seClassLoadingCompliance = java2ClassLoadingCompliance;
// Do we have a legacy classloading element?
org.jboss.metadata.web.jboss.ClassLoadingMetaData webCLMD = metaData.getClassLoading();
if (webCLMD != null)
{
// Was the complince set?
if (webCLMD.wasJava2ClassLoadingComplianceSet())
j2seClassLoadingCompliance = webCLMD.isJava2ClassLoadingCompliance();
// Does it have a loader repository
LoaderRepositoryMetaData lrmd = webCLMD.getLoaderRepository();
if (lrmd != null)
{
// Use the trimmed repository name as the domain
String repositoryName = lrmd.getName();
if (repositoryName != null)
{
repositoryName = repositoryName.trim();
if (repositoryName != null)
{
domainName = repositoryName;
// If there was no compliance set see if the loader repository has one
if (webCLMD.wasJava2ClassLoadingComplianceSet() == false)
{
Set<LoaderRepositoryConfigMetaData> configs = lrmd.getLoaderRepositoryConfig();
if (configs != null && configs.isEmpty() == false)
{
LoaderRepositoryConfigMetaData lrcmd = configs.iterator().next();
Properties props = new Properties();
String config = lrcmd.getConfig();
try
{
if (config != null)
{
ByteArrayInputStream bais = new ByteArrayInputStream(config.getBytes());
props.load(bais);
}
}
catch (Exception e)
{
throw DeploymentException.rethrowAsDeploymentException("Error parsing repository config " + config, e);
}
String java2ParentDelegation = props.getProperty("java2ParentDelegation");
if( java2ParentDelegation == null )
{
// Check for previous mis-spelled property name
java2ParentDelegation = props.getProperty("java2ParentDelegaton", "false");
}
j2seClassLoadingCompliance = Boolean.valueOf(java2ParentDelegation);
}
}
}
}
}
}
// Create a classloading metadata
// NOTE: Don't explicitly set the parentDomain otherwise it will create a top level classloader
// for subdeployments rather than a classloader hanging off the main deployment's classloader
ClassLoadingMetaData classLoadingMetaData = new ClassLoadingMetaData();
classLoadingMetaData.setName(unit.getName());
classLoadingMetaData.setDomain(domainName);
classLoadingMetaData.setExportAll(ExportAll.NON_EMPTY);
classLoadingMetaData.setImportAll(true);
classLoadingMetaData.setVersion(Version.DEFAULT_VERSION);
classLoadingMetaData.setJ2seClassLoadingCompliance(j2seClassLoadingCompliance);
ClassFilter filter = null;
if (filteredPackages != null)
{
filter = RecursivePackageClassFilter.createRecursivePackageClassFilterFromString(filteredPackages);
classLoadingMetaData.setExcluded(filter);
}
unit.addAttachment(ClassLoadingMetaData.class, classLoadingMetaData);
}
}