Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/version/common/VersionUtil.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.repo.version.common;
+
+import java.util.Collection;
+
+import org.alfresco.repo.version.VersionModel;
+import org.alfresco.service.cmr.version.ReservedVersionNameException;
+
+/**
+ * Helper class containing helper methods for the versioning services.
+ * 
+ * @author Roy Wetherall
+ */
+public class VersionUtil
+{
+    /**
+     * Reserved property names
+     */
+    public static final String[] RESERVED_PROPERTY_NAMES = new String[]{
+        VersionModel.PROP_CREATED_DATE, 
+        VersionModel.PROP_FROZEN_NODE_ID, 
+        VersionModel.PROP_FROZEN_NODE_STORE_ID, 
+        VersionModel.PROP_FROZEN_NODE_STORE_PROTOCOL,
+        VersionModel.PROP_FROZEN_NODE_TYPE,
+        VersionModel.PROP_FROZEN_ASPECTS,
+        VersionModel.PROP_VERSION_LABEL,
+        VersionModel.PROP_VERSION_NUMBER};
+    
+    /**
+     * Checks that the names of the additional version properties are valid and that they do not clash
+     * with the reserved properties.
+     * 
+     * @param versionProperties  the property names 
+     * @return                   true is the names are considered valid, false otherwise
+     * @throws                   ReservedVersionNameException
+     */
+    public static void checkVersionPropertyNames(Collection<String> names)
+        throws ReservedVersionNameException
+    {
+        for (String name : RESERVED_PROPERTY_NAMES)
+        {
+            if (names.contains(name) == true)
+            {
+                throw new ReservedVersionNameException(name);
+            }
+        }
+    }
+}