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diff --git a/unused/srcjar_unused/org/apache/log4j/or/ThreadGroupRenderer.java b/unused/srcjar_unused/org/apache/log4j/or/ThreadGroupRenderer.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.log4j.or;
+
+import org.apache.log4j.Layout;
+
+
+/**
+   Render {@link ThreadGroup} objects in a format similar to the
+   information output by the {@link ThreadGroup#list} method.
+   @author Ceki Gülcü
+   @since 1.0 */
+public class ThreadGroupRenderer implements ObjectRenderer {
+
+  public
+  ThreadGroupRenderer() {
+  }
+  
+  /**
+     Render a {@link ThreadGroup} object similar to the way that the
+     {@link ThreadGroup#list} method output information. 
+
+     <p>The output of a simple program consisting of one
+     <code>main</code> thread is:
+     <pre>
+     java.lang.ThreadGroup[name=main, maxpri=10]
+         Thread=[main,5,false]
+     </pre>
+     
+     <p>The boolean value in thread information is the value returned
+     by {@link Thread#isDaemon}.
+     
+  */
+  public
+  String  doRender(Object o) {
+    if(o instanceof ThreadGroup) {
+      StringBuffer sbuf = new StringBuffer();
+      ThreadGroup tg = (ThreadGroup) o;
+      sbuf.append("java.lang.ThreadGroup[name=");
+      sbuf.append(tg.getName());
+      sbuf.append(", maxpri=");
+      sbuf.append(tg.getMaxPriority());
+      sbuf.append("]");
+      Thread[] t = new Thread[tg.activeCount()];
+      tg.enumerate(t);
+      for(int i = 0; i < t.length; i++) {
+	sbuf.append(Layout.LINE_SEP);	
+	sbuf.append("   Thread=[");
+	sbuf.append(t[i].getName());
+	sbuf.append(",");
+	sbuf.append(t[i].getPriority());
+	sbuf.append(",");
+	sbuf.append(t[i].isDaemon());
+	sbuf.append("]");
+      }
+      return sbuf.toString();
+    } else {
+      try {
+        // this is the best we can do
+        return o.toString();
+      } catch(Exception ex) {
+          return ex.toString();
+      }
+    }    
+  }
+}