Created a comparator for named destinations, to enable sorting the list of destinations.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@527379 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/java/org/apache/fop/pdf/DestinationComparator.java b/src/java/org/apache/fop/pdf/DestinationComparator.java
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+++ b/src/java/org/apache/fop/pdf/DestinationComparator.java
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+/*\r
+ * Licensed to the Apache Software Foundation (ASF) under one or more\r
+ * contributor license agreements.  See the NOTICE file distributed with\r
+ * this work for additional information regarding copyright ownership.\r
+ * The ASF licenses this file to You under the Apache License, Version 2.0\r
+ * (the "License"); you may not use this file except in compliance with\r
+ * the License.  You may obtain a copy of the License at\r
+ *\r
+ *      http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ */\r
+\r
+/* $Id: destinationComparator.java 426576 2006-07-28 15:44:37Z jeremias $ */\r
+\r
+package org.apache.fop.pdf;\r
+\r
+import org.apache.fop.pdf.PDFDestination;\r
+\r
+/**\r
+ * Comparator class to enable comparing (and\r
+ * hence sorting) of PDFDestination objects.\r
+ */\r
+public class DestinationComparator implements java.util.Comparator {\r
+/*  public int compare (PDFDestination dest1, PDFDestination dest2) {\r
+    return dest1.getIDRef().compareTo(dest2.getIDRef());\r
+  }*/\r
+\r
+  public int compare (Object obj1, Object obj2) {\r
+    if (obj1 instanceof PDFDestination && obj2 instanceof PDFDestination){\r
+      PDFDestination dest1 = (PDFDestination)obj1;\r
+      PDFDestination dest2 = (PDFDestination)obj2;\r
+      return dest1.getIDRef().compareTo(dest2.getIDRef());\r
+    }\r
+    return 0;\r
+  }\r
+}
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