1 /*
2 *
3 * ====================================================================
4 *
5 * The Apache Software License, Version 1.1
6 *
7 * Copyright (c) 1999 The Apache Software Foundation. All rights
8 * reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
20 * distribution.
21 *
22 * 3. The end-user documentation included with the redistribution, if
23 * any, must include the following acknowlegement:
24 * "This product includes software developed by the
25 * Apache Software Foundation (http://www.apache.org/)."
26 * Alternately, this acknowlegement may appear in the software itself,
27 * if and wherever such third-party acknowlegements normally appear.
28 *
29 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
30 * Foundation" must not be used to endorse or promote products derived
31 * from this software without prior written permission. For written
32 * permission, please contact apache@apache.org.
33 *
34 * 5. Products derived from this software may not be called "Apache"
35 * nor may "Apache" appear in their names without prior written
36 * permission of the Apache Group.
37 *
38 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
39 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
40 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
45 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
46 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
47 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
48 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 * SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This software consists of voluntary contributions made by many
53 * individuals on behalf of the Apache Software Foundation. For more
54 * information on the Apache Software Foundation, please see
55 * <http://www.apache.org/>.
56 *
57 */
58
59 package org.apache.commons.jelly.tags.werkz;
60
61 import com.werken.werkz.Goal;
62 import com.werken.werkz.Session;
63 import com.werken.werkz.Project;
64 import com.werken.werkz.UnattainableGoalException;
65
66 import org.apache.commons.jelly.JellyException;
67 import org.apache.commons.jelly.XMLOutput;
68
69 import org.apache.commons.logging.Log;
70 import org.apache.commons.logging.LogFactory;
71
72 /***
73 * Attains one or more goals.
74 *
75 * @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a>
76 * @version $Revision: 1.5 $
77 */
78 public class AttainGoalTag extends WerkzTagSupport {
79
80 /*** The Log to which logging calls will be made. */
81 private Log log = LogFactory.getLog(AttainGoalTag.class);
82
83 /*** The goal name. */
84 private String name;
85
86 public AttainGoalTag() {
87 }
88
89 // Tag interface
90 //-------------------------------------------------------------------------
91
92 /***
93 * Evaluate the body to register all the various goals and pre/post conditions
94 * then run all the current targets
95 */
96 public void doTag(final XMLOutput output) throws Exception {
97
98 AttainTag attainTag = (AttainTag) findAncestorWithClass( AttainTag.class );
99 Session session = null;
100
101 if ( attainTag == null ) {
102 session = new JellySession( output );
103 } else {
104 session = attainTag.getSession();
105 }
106
107 ProjectTag projectTag = (ProjectTag) findAncestorWithClass( ProjectTag.class );
108
109 Project project = projectTag.getProject();
110
111 invokeBody(output);
112
113 try
114 {
115 project.attainGoal( getName(),
116 session );
117 }
118 catch (UnattainableGoalException e)
119 {
120 Throwable root = e.getRootCause();
121
122 if ( root != null )
123 {
124 if ( root instanceof JellyException )
125 {
126 throw (JellyException) root;
127 }
128 if ( root instanceof UnattainableGoalException )
129 {
130 throw e;
131 }
132 }
133 else
134 {
135 e.fillInStackTrace();
136 throw e;
137 }
138 }
139 }
140
141 // Properties
142 //-------------------------------------------------------------------------
143
144 public void setName(String name) {
145 this.name = name;
146 }
147
148 public String getName() {
149 return this.name;
150 }
151 }
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