1 /*
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
9 *
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 package org.apache.geronimo.gshell.commands.text;
21
22 import org.apache.geronimo.gshell.clp.Argument;
23 import org.apache.geronimo.gshell.command.CommandAction;
24 import org.apache.geronimo.gshell.command.CommandContext;
25 import org.apache.geronimo.gshell.io.IO;
26
27 import java.util.Collection;
28
29 /**
30 * Prints formatted output.
31 *
32 * @version $Rev: 722776 $ $Date: 2008-12-03 05:59:59 +0100 (Wed, 03 Dec 2008) $
33 */
34 public class PrintfAction
35 implements CommandAction
36 {
37 @Argument(index=0, required=true)
38 private String format;
39
40 @Argument(index=1, multiValued=true, required=true)
41 private Collection<String> arguments = null;
42
43 public Object execute(final CommandContext context) throws Exception {
44 assert context != null;
45 IO io = context.getIo();
46
47 io.out.printf(format, arguments.toArray());
48
49 return Result.SUCCESS;
50 }
51 }