Interim checkin. Attributes basically work.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5510 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/attributes/AttributeConverter.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2005-2007 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.attributes;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+
+/**
+ * Handles conversions between persistent and value based Attributes.
+ * @author britt
+ */
+public class AttributeConverter
+{
+    /**
+     * Convert an Attribute (recursively) to a persistent attribute. This persists 
+     * the newly created Attribute immediately.
+     * @param from The Attribute to clone.
+     * @return The cloned persistent Attribute.
+     */
+    public Attribute toPersistent(Attribute from)
+    {
+        switch (from.getType())
+        {
+            case BOOLEAN :
+            {
+                return new BooleanAttributeImpl((BooleanAttribute)from);
+            }
+            case BYTE :
+            {
+                return new ByteAttributeImpl((ByteAttribute)from);
+            }
+            case SHORT :
+            {
+                return new ShortAttributeImpl((ShortAttribute)from);
+            }
+            case INT :
+            {
+                return new IntAttributeImpl((IntAttribute)from);
+            }
+            case LONG :
+            {
+                return new LongAttributeImpl((LongAttribute)from);
+            }
+            case FLOAT :
+            {
+                return new FloatAttributeImpl((FloatAttribute)from);
+            }
+            case DOUBLE :
+            {
+                return new DoubleAttributeImpl((DoubleAttribute)from);
+            }
+            case STRING :
+            {
+                return new StringAttributeImpl((StringAttribute)from);
+            }
+            case SERIALIZABLE :
+            {
+                return new SerializableAttributeImpl((SerializableAttribute)from);
+            }
+            case MAP :
+            {
+                return new MapAttributeImpl((MapAttribute)from);
+            }
+            default :
+            {
+                throw new AlfrescoRuntimeException("Invalid Attribute Type: " + from.getType());
+            }
+        }
+    }
+
+    public Attribute toValue(Attribute from)
+    {
+        switch (from.getType())
+        {
+            case BOOLEAN :
+            {
+                return new BooleanAttributeValue((BooleanAttribute)from);
+            }
+            case BYTE :
+            {
+                return new ByteAttributeValue((ByteAttribute)from);
+            }
+            case SHORT :
+            {
+                return new ShortAttributeValue((ShortAttribute)from);
+            }
+            case INT :
+            {
+                return new IntAttributeValue((IntAttribute)from);
+            }
+            case LONG :
+            {
+                return new LongAttributeValue((LongAttribute)from);
+            }
+            case FLOAT :
+            {
+                return new FloatAttributeValue((FloatAttribute)from);
+            }
+            case DOUBLE :
+            {
+                return new DoubleAttributeValue((DoubleAttribute)from);
+            }
+            case STRING :
+            {
+                return new StringAttributeValue((StringAttribute)from);
+            }
+            case SERIALIZABLE :
+            {
+                return new SerializableAttributeValue((SerializableAttribute)from);
+            }
+            case MAP :
+            {
+                return new MapAttributeValue((MapAttribute)from);
+            }
+            default :
+            {
+                throw new AlfrescoRuntimeException("Invalid Attribute Type: " + from.getType());
+            }
+        }
+    }
+}