Save This Page
Home » activemq-parent-5.3.1-source-release » org.apache » activemq » broker » view » [javadoc | source]
    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    * Unless required by applicable law or agreed to in writing, software
   12    * distributed under the License is distributed on an "AS IS" BASIS,
   13    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    * See the License for the specific language governing permissions and
   15    * limitations under the License.
   16    */
   17   package org.apache.activemq.broker.view;
   18   
   19   import java.io.FileWriter;
   20   import java.io.PrintWriter;
   21   
   22   import org.apache.activemq.broker.Broker;
   23   import org.apache.activemq.broker.BrokerFilter;
   24   import org.apache.commons.logging.Log;
   25   import org.apache.commons.logging.LogFactory;
   26   
   27   /**
   28    * Useful base class
   29    * 
   30    * @version $Revision: $
   31    */
   32   public abstract class DotFileInterceptorSupport extends BrokerFilter {
   33       private final Log log = LogFactory.getLog(DotFileInterceptorSupport.class);
   34   
   35       private String file;
   36   
   37       public DotFileInterceptorSupport(Broker next, String file) {
   38           super(next);
   39           this.file = file;
   40       }
   41   
   42       protected void generateFile() throws Exception {
   43           if (log.isDebugEnabled()) {
   44               log.debug("Creating DOT file at: " + file);
   45           }
   46           PrintWriter writer = new PrintWriter(new FileWriter(file));
   47           try {
   48               generateFile(writer);
   49           } finally {
   50               writer.close();
   51           }
   52       }
   53   
   54       protected abstract void generateFile(PrintWriter writer) throws Exception;
   55   }

Save This Page
Home » activemq-parent-5.3.1-source-release » org.apache » activemq » broker » view » [javadoc | source]