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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  
18  package org.apache.logging.log4j.core.net.mom.jms;
19  
20  import org.apache.logging.log4j.core.net.server.JmsServer;
21  
22  /**
23   * Common JMS server functionality.
24   *
25   * @since 2.6
26   */
27  public abstract class AbstractJmsReceiver {
28  
29      /**
30       * Prints out usage information to {@linkplain System#err standard error}.
31       */
32      protected abstract void usage();
33  
34      /**
35       * Executes a JmsServer with the given command line arguments.
36       *
37       * @param args command line arguments
38       * @throws Exception
39       */
40      protected void doMain(final String... args) throws Exception {
41          if (args.length != 4) {
42              usage();
43              System.exit(1);
44          }
45          final JmsServer server = new JmsServer(args[0], args[1], args[2], args[3]);
46          server.run();
47      }
48  }