//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.webapp;
import java.io.IOException;
import java.net.MalformedURLException;
import org.eclipse.jetty.servlet.ErrorPageErrorHandler;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.resource.Resource;
/* ------------------------------------------------------------------------------- */
/**
* Configure by parsing default web.xml and web.xml
*
*/
public class WebXmlConfiguration extends AbstractConfiguration
{
private static final Logger LOG = Log.getLogger(WebXmlConfiguration.class);
/* ------------------------------------------------------------------------------- */
/**
*
*/
@Override
public void preConfigure (WebAppContext context) throws Exception
{
//parse webdefault.xml
String defaultsDescriptor = context.getDefaultsDescriptor();
if (defaultsDescriptor != null && defaultsDescriptor.length() > 0)
{
Resource dftResource = Resource.newSystemResource(defaultsDescriptor);
if (dftResource == null)
dftResource = context.newResource(defaultsDescriptor);
context.getMetaData().setDefaults (dftResource);
}
//parse, but don't process web.xml
Resource webxml = findWebXml(context);
if (webxml != null)
{
context.getMetaData().setWebXml(webxml);
context.getServletContext().setEffectiveMajorVersion(context.getMetaData().getWebXml().getMajorVersion());
context.getServletContext().setEffectiveMinorVersion(context.getMetaData().getWebXml().getMinorVersion());
}
//parse but don't process override-web.xml
for (String overrideDescriptor : context.getOverrideDescriptors())
{
if (overrideDescriptor != null && overrideDescriptor.length() > 0)
{
Resource orideResource = Resource.newSystemResource(overrideDescriptor);
if (orideResource == null)
orideResource = context.newResource(overrideDescriptor);
context.getMetaData().addOverride(orideResource);
}
}
}
/* ------------------------------------------------------------------------------- */
/**
* Process web-default.xml, web.xml, override-web.xml
*
*/
@Override
public void configure (WebAppContext context) throws Exception
{
// cannot configure if the context is already started
if (context.isStarted())
{
LOG.debug("Cannot configure webapp after it is started");
return;
}
context.getMetaData().addDescriptorProcessor(new StandardDescriptorProcessor());
}
/* ------------------------------------------------------------------------------- */
protected Resource findWebXml(WebAppContext context) throws IOException, MalformedURLException
{
String descriptor = context.getDescriptor();
if (descriptor != null)
{
Resource web = context.newResource(descriptor);
if (web.exists() && !web.isDirectory()) return web;
}
Resource web_inf = context.getWebInf();
if (web_inf != null && web_inf.isDirectory())
{
// do web.xml file
Resource web = web_inf.addPath("web.xml");
if (web.exists()) return web;
if (LOG.isDebugEnabled())
LOG.debug("No WEB-INF/web.xml in " + context.getWar() + ". Serving files and default/dynamic servlets only");
}
return null;
}
/* ------------------------------------------------------------------------------- */
@Override
public void deconfigure (WebAppContext context) throws Exception
{
context.setWelcomeFiles(null);
if (context.getErrorHandler() instanceof ErrorPageErrorHandler)
((ErrorPageErrorHandler)
context.getErrorHandler()).setErrorPages(null);
// TODO remove classpaths from classloader
}
}