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/dictionary/NamespaceDAOImpl.java

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+/*
+ * 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.dictionary;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+
+import org.alfresco.service.namespace.NamespaceException;
+
+/**
+ * Simple in-memory namespace DAO
+ * 
+ * TODO: Remove the many to one mapping of prefixes to URIs
+ */
+public class NamespaceDAOImpl implements NamespaceDAO
+{
+
+    private List<String> uris = new ArrayList<String>();
+    private HashMap<String, String> prefixes = new HashMap<String, String>();
+
+    
+    public Collection<String> getURIs()
+    {
+        return Collections.unmodifiableCollection(uris);
+    }
+
+
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.ref.NamespacePrefixResolver#getPrefixes()
+     */
+    public Collection<String> getPrefixes()
+    {
+        return Collections.unmodifiableCollection(prefixes.keySet());
+    }
+
+    
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.dictionary.impl.NamespaceDAO#addURI(java.lang.String)
+     */
+    public void addURI(String uri)
+    {
+        if (uris.contains(uri))
+        {
+            throw new NamespaceException("URI " + uri + " has already been defined");
+        }
+        uris.add(uri);
+    }
+
+    
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.dictionary.impl.NamespaceDAO#addPrefix(java.lang.String, java.lang.String)
+     */
+    public void addPrefix(String prefix, String uri)
+    {
+        if (!uris.contains(uri))
+        {
+            throw new NamespaceException("Namespace URI " + uri + " does not exist");
+        }
+        prefixes.put(prefix, uri);
+    }
+
+
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.dictionary.impl.NamespaceDAO#removeURI(java.lang.String)
+     */
+    public void removeURI(String uri)
+    {
+        uris.remove(uri);
+    }
+
+    
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.dictionary.impl.NamespaceDAO#removePrefix(java.lang.String)
+     */
+    public void removePrefix(String prefix)
+    {
+        prefixes.remove(prefix);
+    }
+
+
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.ref.NamespacePrefixResolver#getNamespaceURI(java.lang.String)
+     */
+    public String getNamespaceURI(String prefix)
+    {
+        return prefixes.get(prefix);
+    }
+
+    
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.ref.NamespacePrefixResolver#getPrefixes(java.lang.String)
+     */
+    public Collection<String> getPrefixes(String URI)
+    {
+        Collection<String> uriPrefixes = new ArrayList<String>();
+        for (String key : prefixes.keySet())
+        {
+            String uri = prefixes.get(key);
+            if ((uri != null) && (uri.equals(URI)))
+            {
+                uriPrefixes.add(key);
+            }
+        }
+        return uriPrefixes;
+    }
+
+}