/*
* 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.deployers.vfs.plugins.structure.war;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.structure.ContextInfo;
import org.jboss.deployers.spi.structure.MetaDataType;
import org.jboss.deployers.vfs.plugins.structure.AbstractVFSStructureDeployer;
import org.jboss.deployers.vfs.spi.structure.StructureContext;
import org.jboss.virtual.VirtualFile;
import org.jboss.virtual.VirtualFileFilter;
import org.jboss.virtual.VisitorAttributes;
import org.jboss.virtual.plugins.vfs.helpers.SuffixMatchFilter;
/**
* WARStructure.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
* @version $Revision: 83811 $
*/
public class WARStructure extends AbstractVFSStructureDeployer
{
/** The default filter which allows jars/jar directories */
public static final VirtualFileFilter DEFAULT_WEB_INF_LIB_FILTER = new SuffixMatchFilter(".jar", VisitorAttributes.DEFAULT);
/** The WEB-INF/lib filter */
private VirtualFileFilter webInfLibFilter = DEFAULT_WEB_INF_LIB_FILTER;
/** The WEB-INF/lib/[some-archive]/META-INF filter */
private VirtualFileFilter webInfLibMetaDataFilter;
/** Whether to include web-inf in the classpath */
private boolean includeWebInfInClasspath;
/**
* Sets the default relative order 1000.
*
*/
public WARStructure()
{
setRelativeOrder(1000);
}
/**
* Get the webInfLibFilter.
*
* @return the webInfLibFilter.
*/
public VirtualFileFilter getWebInfLibFilter()
{
return webInfLibFilter;
}
/**
* Set the webInfLibFilter.
*
* @param webInfLibFilter the webInfLibFilter.
* @throws IllegalArgumentException for a null filter
*/
public void setWebInfLibFilter(VirtualFileFilter webInfLibFilter)
{
if (webInfLibFilter == null)
throw new IllegalArgumentException("Null filter");
this.webInfLibFilter = webInfLibFilter;
}
/**
* Get webInfLibMetaDataFilter
*
* @return the webInfLibMetaDataFilter
*/
public VirtualFileFilter getWebInfLibMetaDataFilter()
{
return webInfLibMetaDataFilter;
}
/**
* Set the webInfLibMetaDataFilter.
*
* @param webInfLibMetaDataFilter the webInfLibFilter.
*/
public void setWebInfLibMetaDataFilter(VirtualFileFilter webInfLibMetaDataFilter)
{
this.webInfLibMetaDataFilter = webInfLibMetaDataFilter;
}
/**
* Should we include web-inf in classpath.
*
* @param includeWebInfInClasspath the include web-inf flag
*/
public void setIncludeWebInfInClasspath(boolean includeWebInfInClasspath)
{
this.includeWebInfInClasspath = includeWebInfInClasspath;
}
public boolean determineStructure(StructureContext structureContext) throws DeploymentException
{
ContextInfo context = null;
VirtualFile file = structureContext.getFile();
try
{
boolean trace = log.isTraceEnabled();
// the WEB-INF
VirtualFile webinf = null;
if (isLeaf(file) == false)
{
// We require either a WEB-INF or the name ends in .war
if (file.getName().endsWith(".war") == false)
{
try
{
webinf = file.getChild("WEB-INF");
if (webinf != null)
{
if (trace)
log.trace("... ok - directory has a WEB-INF subdirectory");
}
else
{
if (trace)
log.trace("... no - doesn't look like a war and no WEB-INF subdirectory.");
return false;
}
}
catch (IOException e)
{
log.warn("Exception while checking if file is a war: " + e);
return false;
}
}
else if (trace)
{
log.trace("... ok - name ends in .war.");
}
List<String> metaDataLocations = new ArrayList<String>();
metaDataLocations.add("WEB-INF");
// Check for WEB-INF/classes
VirtualFile classes = null;
try
{
// The classpath contains WEB-INF/classes
classes = file.getChild("WEB-INF/classes");
// Check for a META-INF for metadata
if (classes != null)
metaDataLocations.add("WEB-INF/classes/META-INF");
}
catch(IOException e)
{
log.warn("Exception while looking for classes, " + file.getPathName() + ", " + e);
}
// Create a context for this war file and all its metadata locations
context = createContext(structureContext, metaDataLocations.toArray(new String[metaDataLocations.size()]));
// Check for jars in WEB-INF/lib
List<VirtualFile> archives = null;
try
{
VirtualFile webinfLib = file.getChild("WEB-INF/lib");
if (webinfLib != null)
{
archives = webinfLib.getChildren(webInfLibFilter);
// Add the jars' META-INF for metadata
for (VirtualFile jar : archives)
{
// either same as plain lib filter, null or accepts the jar
if (webInfLibMetaDataFilter == null || webInfLibMetaDataFilter == webInfLibFilter || webInfLibMetaDataFilter.accepts(jar))
addMetaDataPath(structureContext, context, "WEB-INF/lib/" + jar.getName() + "/META-INF", MetaDataType.ALTERNATIVE);
}
}
}
catch (IOException e)
{
log.warn("Exception looking for WEB-INF/lib, " + file.getPathName() + ", " + e);
}
// Add the war manifest classpath entries
addClassPath(structureContext, file, false, true, context);
// Add WEB-INF/classes if present
if (classes != null)
addClassPath(structureContext, classes, true, false, context);
else if (trace)
log.trace("No WEB-INF/classes for: " + file.getPathName());
// and the top level jars in WEB-INF/lib
if (archives != null)
{
for (VirtualFile jar : archives)
addClassPath(structureContext, jar, true, true, context);
}
else if (trace)
{
log.trace("No WEB-INF/lib for: " + file.getPathName());
}
// do we include WEB-INF in classpath
if (includeWebInfInClasspath && webinf != null)
{
addClassPath(structureContext, webinf, true, false, context);
}
// There are no subdeployments for wars
return true;
}
else
{
if (trace)
log.trace("... no - not a directory or an archive.");
return false;
}
}
catch (Exception e)
{
// Remove the invalid context
if (context != null)
structureContext.removeChild(context);
throw DeploymentException.rethrowAsDeploymentException("Error determining structure: " + file.getName(), e);
}
}
}