| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.apache.lenya.cms.metadata; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.avalon.framework.logger.AbstractLogEnabled; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| |
| /** |
| * Meta data registry implementation. |
| */ |
| public class MetaDataRegistryImpl extends AbstractLogEnabled implements MetaDataRegistry, |
| ThreadSafe { |
| |
| public ElementSet getElementSet(String namespaceUri) throws MetaDataException { |
| if (!isRegistered(namespaceUri)) { |
| throw new MetaDataException("The namespace URI [" + namespaceUri |
| + "] is not registered."); |
| } |
| return (ElementSet) this.namespace2set.get(namespaceUri); |
| } |
| |
| public boolean isRegistered(String namespaceUri) throws MetaDataException { |
| return this.namespace2set.containsKey(namespaceUri); |
| } |
| |
| private Map namespace2set = new HashMap(); |
| |
| public void register(String namespaceUri, ElementSet elementSet) throws MetaDataException { |
| if (this.namespace2set.containsKey(namespaceUri)) { |
| throw new MetaDataException("The namespace [" + namespaceUri |
| + "] is already registered."); |
| } |
| this.namespace2set.put(namespaceUri, elementSet); |
| } |
| |
| public String[] getNamespaceUris() throws MetaDataException { |
| Set keys = this.namespace2set.keySet(); |
| return (String[]) keys.toArray(new String[keys.size()]); |
| } |
| |
| } |