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1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 /* $Id: DebugHelper.java 426576 2006-07-28 15:44:37Z jeremias $ */
19
20 package org.apache.fop;
21
22 import org.apache.fop.layoutmgr.ElementListObserver;
23 import org.apache.fop.logging.LoggingElementListObserver;
24
25 /**
26  * Handles some standard tasks for debugging.
27  */
28 public class DebugHelper {
29
30     private static boolean elObserversRegistered = false;
31     
32     /**
33      * Registers the default element list observers used for debugging.
34      */
35     public static void registerStandardElementListObservers() {
36         if (!elObserversRegistered) {
37             ElementListObserver.addObserver(new LoggingElementListObserver());
38             elObserversRegistered = true;
39         }
40     }
41     
42 }
43
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