View Javadoc
1   /*
2    * Copyright (C) 2015 Zend Technologies Ltd. and others
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  package org.eclipse.jgit.pgm.opt;
44  
45  import org.kohsuke.args4j.CmdLineException;
46  import org.kohsuke.args4j.CmdLineParser;
47  import org.kohsuke.args4j.OptionDef;
48  import org.kohsuke.args4j.spi.Parameters;
49  import org.kohsuke.args4j.spi.Setter;
50  import org.kohsuke.args4j.spi.StringOptionHandler;
51  
52  /**
53   * Special handler for the <code>--untracked-files</code> option of the
54   * <code>status</code> command.
55   *
56   * The following rules apply:
57   * <ul>
58   * <li>If no mode is given, i.e. just <code>--untracked-files</code> is passed,
59   * then it is the same as <code>--untracked-files=all</code></li>
60   * <li>If the <code>-u</code> alias is passed then it is the same as
61   * <code>--untracked-files</code></li>
62   * <li>If the <code>-uno</code> alias is passed then it is the same as
63   * <code>--untracked-files=no</code></li>
64   * <li>If the <code>-uall</code> alias is passed then it is the same as
65   * <code>--untracked-files=all</code></li>
66   * </ul>
67   *
68   * @since 4.0
69   */
70  public class UntrackedFilesHandler extends StringOptionHandler {
71  
72  	/**
73  	 * @param parser
74  	 *            The parser to which this handler belongs to.
75  	 * @param option
76  	 *            The annotation.
77  	 * @param setter
78  	 *            Object to be used for setting value.
79  	 */
80  	public UntrackedFilesHandler(CmdLineParser parser, OptionDef option,
81  			Setter<? super String> setter) {
82  		super(parser, option, setter);
83  	}
84  
85  	@Override
86  	public int parseArguments(Parameters params) throws CmdLineException {
87  		String alias = params.getParameter(-1);
88  		if ("-u".equals(alias)) { //$NON-NLS-1$
89  			setter.addValue("all"); //$NON-NLS-1$
90  			return 0;
91  		} else if ("-uno".equals(alias)) { //$NON-NLS-1$
92  			setter.addValue("no"); //$NON-NLS-1$
93  			return 0;
94  		} else if ("-uall".equals(alias)) { //$NON-NLS-1$
95  			setter.addValue("all"); //$NON-NLS-1$
96  			return 0;
97  		} else if (params.size() == 0) {
98  			setter.addValue("all"); //$NON-NLS-1$
99  			return 0;
100 		} else if (params.size() == 1) {
101 			String mode = params.getParameter(0);
102 			if ("no".equals(mode) || "all".equals(mode)) { //$NON-NLS-1$ //$NON-NLS-2$
103 				setter.addValue(mode);
104 			} else {
105 				throw new CmdLineException(owner, String.format(
106 						"Invalid untracked files mode '%s'", mode)); //$NON-NLS-1$
107 			}
108 			return 1;
109 		} else {
110 			return super.parseArguments(params);
111 		}
112 	}
113 
114 }