content: /**
   * 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.activemq.jndi;
  
  import javax.naming.NameNotFoundException;
  import javax.naming.NamingException;
  
  /**
   * Allows users to dynamically create items
   * 
   * 
   */
  public abstract class LazyCreateContext extends ReadOnlyContext {
      public Object lookup(String name) throws NamingException {
          try {
              return super.lookup(name);
          } catch (NameNotFoundException e) {
              Object answer = createEntry(name);
              if (answer == null) {
                  throw e;
              }
              internalBind(name, answer);
              return answer;
          }
      }
  
      protected abstract Object createEntry(String name);
  }
  