1 /*
2 * Copyright 2006-2012 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.maven.plugin.buildmetadata.common;
17
18 import java.util.List;
19
20 import org.apache.maven.plugin.MojoExecutionException;
21 import org.apache.maven.plugin.logging.Log;
22
23 /**
24 * Utilities for this Mojo.
25 *
26 * @author <a href="mailto:robert.reiner@smartics.de">Robert Reiner</a>
27 * @version $Revision:591 $
28 */
29 public final class MojoUtils
30 {
31 // ********************************* Fields *********************************
32
33 // --- constants ------------------------------------------------------------
34
35 // --- members --------------------------------------------------------------
36
37 // ****************************** Initializer *******************************
38
39 // ****************************** Constructors ******************************
40
41 /**
42 * Utilities pattern.
43 */
44 private MojoUtils()
45 {
46 }
47
48 // ****************************** Inner Classes *****************************
49
50 // ********************************* Methods ********************************
51
52 // --- init -----------------------------------------------------------------
53
54 // --- get&set --------------------------------------------------------------
55
56 // --- business -------------------------------------------------------------
57
58 /**
59 * Logs and creates the given exception.
60 *
61 * @param log the logger to use.
62 * @param e the original exception to throw.
63 * @param message the message to log and add to the mojo exception.
64 * @return the exception that wraps the given exception.
65 */
66 public static MojoExecutionException createException(
67 final Log log,
68 final Throwable e,
69 final String message)
70 {
71 if (log.isWarnEnabled())
72 {
73 log.warn(message, e);
74 }
75
76 return new MojoExecutionException(message, e);
77 }
78
79 /**
80 * Turns the list to its string representation, removing the starting and trailing brackets.
81 *
82 * @param list the list whose string representation is requested.
83 * @return the string representation of the list.
84 */
85 public static String toPrettyString(final List<?> list)
86 {
87 if (list != null)
88 {
89 final String string = String.valueOf(list);
90 final int end = string.length() - 1;
91 if (string.charAt(0) == '[' && string.charAt(end) == ']')
92 {
93 return string.substring(1, end);
94 }
95 else
96 {
97 return string;
98 }
99 }
100 return null;
101 }
102
103 // --- object basics --------------------------------------------------------
104
105 }