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//
// ========================================================================
// 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.quickstart;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.webapp.Descriptor;
import org.eclipse.jetty.webapp.IterativeDescriptorProcessor;
import org.eclipse.jetty.webapp.WebAppContext;
import org.eclipse.jetty.xml.XmlParser;
/**
* Preconfigure DescriptorProcessor
*
* Saves literal XML snippets
*
*/
public class PreconfigureDescriptorProcessor extends IterativeDescriptorProcessor
{
private static final Logger LOG = Log.getLogger(PreconfigureDescriptorProcessor.class);
private final StringBuilder _buffer = new StringBuilder();
private final boolean _showOrigin;
private String _origin;
public PreconfigureDescriptorProcessor ()
{
_showOrigin=LOG.isDebugEnabled();
try
{
registerVisitor("env-entry", getClass().getMethod("saveSnippet", __signature));
registerVisitor("resource-ref", getClass().getMethod("saveSnippet", __signature));
registerVisitor("resource-env-ref", getClass().getMethod("saveSnippet", __signature));
registerVisitor("message-destination-ref", getClass().getMethod("saveSnippet", __signature));
registerVisitor("data-source", getClass().getMethod("saveSnippet", __signature));
}
catch (Exception e)
{
throw new IllegalStateException(e);
}
}
@Override
public void start(WebAppContext context, Descriptor descriptor)
{
LOG.debug("process {}",descriptor);
_origin=(" <!-- "+descriptor+" -->\n");
}
@Override
public void end(WebAppContext context,Descriptor descriptor)
{
}
public void saveSnippet (WebAppContext context, Descriptor descriptor, XmlParser.Node node)
throws Exception
{
LOG.debug("save {}",node.getTag());
if (_showOrigin)
_buffer.append(_origin);
_buffer.append(" ").append(node.toString()).append("\n");
}
public String getXML()
{
return _buffer.toString();
}
}
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