Importing upstream Jetty jetty-9.2.1.v20140609

[gigi.git] / lib / jetty / org / eclipse / jetty / server / ClassLoaderDump.java

diff --git a/lib/jetty/org/eclipse/jetty/server/ClassLoaderDump.java b/lib/jetty/org/eclipse/jetty/server/ClassLoaderDump.java
new file mode 100644 (file)
index 0000000..466775e
--- /dev/null
+++ b/lib/jetty/org/eclipse/jetty/server/ClassLoaderDump.java
@@ -0,0 +1,66 @@
+//
+//  ========================================================================
+//  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.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));
+            }
+        }
+    }
+}