org.eclipse.jetty.server.ClassLoaderDump Maven / Gradle / Ivy
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//
// ========================================================================
// Copyright (c) 1995-2012 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.server;
import java.io.IOException;
import java.net.URLClassLoader;
import java.util.Collections;
import org.eclipse.jetty.util.TypeUtil;
import org.eclipse.jetty.util.component.ContainerLifeCycle;
import org.eclipse.jetty.util.component.Dumpable;
public class ClassLoaderDump implements Dumpable
{
final ClassLoader _loader;
public ClassLoaderDump(ClassLoader loader)
{
_loader = loader;
}
@Override
public String dump()
{
return ContainerLifeCycle.dump(this);
}
@Override
public void dump(Appendable out, String indent) throws IOException
{
if (_loader==null)
out.append("No ClassLoader\n");
else
{
out.append(String.valueOf(_loader)).append("\n");
Object parent = _loader.getParent();
if (parent != null)
{
if (!(parent instanceof Dumpable))
parent = new ClassLoaderDump((ClassLoader)parent);
if (_loader instanceof URLClassLoader)
ContainerLifeCycle.dump(out,indent,TypeUtil.asList(((URLClassLoader)_loader).getURLs()),Collections.singleton(parent));
else
ContainerLifeCycle.dump(out,indent,Collections.singleton(parent));
}
}
}
}