Audit validation using XSD and related tests

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@15875 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/audit/extractor/AbstractDataExtractor.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2005-2009 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing
+ */
+package org.alfresco.repo.audit.extractor;
+
+/**
+ * Abstract implementation to provide support.
+ * 
+ * @author Derek Hulley
+ * @since 3.2
+ */
+public abstract class AbstractDataExtractor implements DataExtractor
+{
+    /**
+     * This implementation assumes all extractors are stateless i.e. if the class matches
+     * then the instances are equal.
+     */
+    @Override
+    public boolean equals(Object obj)
+    {
+        if (obj != null && obj.getClass().equals(this.getClass()))
+        {
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+}

source/java/org/alfresco/repo/audit/extractor/SimpleValueDataExtractor.java

@@ -32,7 +32,7 @@ package org.alfresco.repo.audit.extractor;
  * @author Derek Hulley
  * @since 3.2
  */
-public class SimpleValueDataExtractor implements DataExtractor
+public class SimpleValueDataExtractor extends AbstractDataExtractor
 {
     /**
      * @return          Returns <tt>true</tt> always