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2 * Licensed to the Apache Software Foundation (ASF) under one *
3 * or more contributor license agreements. See the NOTICE file *
4 * distributed with this work for additional information *
5 * regarding copyright ownership. The ASF licenses this file *
6 * to you under the Apache License, Version 2.0 (the *
7 * "License"); you may not use this file except in compliance *
8 * with the License. You may obtain a copy of the License at *
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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. *
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19
20 package org.apache.james.remotemanager;
21
22 import java.io.PrintWriter;
23
24 import org.apache.avalon.framework.logger.AbstractLogEnabled;
25 import org.apache.avalon.framework.logger.Logger;
26
27 /**
28 * Registers remote manager commands.
29 */
30 public class CommandRegistry extends AbstractLogEnabled {
31
32 private final Command[] commands;
33
34 public CommandRegistry(final Command[] commands) {
35 this.commands = commands;
36 }
37
38 public boolean execute(final String commandName, final String args, final PrintWriter out) {
39 boolean result = true;
40 for (int i=0; i<commands.length;i++) {
41 final Command command = commands[i];
42 if (commandName.equalsIgnoreCase(command.getName())) {
43 final Logger logger = getLogger();
44 if (logger != null) logger.debug("Found matching command");
45 result = command.execute(args, out);
46 }
47 }
48 return result;
49 }
50
51 public void printHelp(final PrintWriter out) {
52 for (int i=0; i<commands.length;i++) {
53 final Command command = commands[i];
54 final StringBuffer buffer = new StringBuffer(command.getName());
55 while (buffer.length() <= 39) {
56 buffer.append(' ');
57 }
58 buffer.append(command.help());
59 out.println(buffer);
60 }
61 }
62 }