01 /*
02 * Licensed to the Apache Software Foundation (ASF) under one
03 * or more contributor license agreements. See the NOTICE file
04 * distributed with this work for additional information
05 * regarding copyright ownership. The ASF licenses this file
06 * to you under the Apache License, Version 2.0 (the
07 * "License"); you may not use this file except in compliance
08 * with the License. You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 *
20 */
21 package org.apache.qpid.tools.messagestore.commands;
22
23 import org.apache.qpid.tools.messagestore.MessageStoreTool;
24
25 public class Clear extends AbstractCommand
26 {
27 public Clear(MessageStoreTool tool)
28 {
29 super(tool);
30 }
31
32 public String help()
33 {
34 return "Clears any selection.";
35 }
36
37 public String usage()
38 {
39 return "clear [ all | virtualhost | exchange | queue | msgs ]";
40 }
41
42 public String getCommand()
43 {
44 return "clear";
45 }
46
47 public void execute(String... args)
48 {
49 assert args.length > 0;
50 assert args[0].equals(getCommand());
51
52 if (args.length < 1)
53 {
54 doClose("all");
55 }
56 else
57 {
58 doClose(args[1]);
59 }
60 }
61
62 private void doClose(String type)
63 {
64 if (type.equals("virtualhost")
65 || type.equals("all"))
66 {
67 _tool.getState().clearAll();
68 }
69
70 if (type.equals("exchange"))
71 {
72 _tool.getState().clearExchange();
73 }
74
75 if (type.equals("queue"))
76 {
77 _tool.getState().clearQueue();
78 }
79
80 if (type.equals("msgs"))
81 {
82 _tool.getState().clearMessages();
83 }
84 }
85 }
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