1 package org.drools.tags.rule;
2
3 /*
4 $Id: FixedDurationTag.java,v 1.2 2003/03/25 19:47:32 tdiesler Exp $
5
6 Copyright 2002 (C) The Werken Company. All Rights Reserved.
7
8 Redistribution and use of this software and associated documentation
9 ("Software"), with or without modification, are permitted provided
10 that the following conditions are met:
11
12 1. Redistributions of source code must retain copyright
13 statements and notices. Redistributions must also contain a
14 copy of this document.
15
16 2. Redistributions in binary form must reproduce the
17 above copyright notice, this list of conditions and the
18 following disclaimer in the documentation and/or other
19 materials provided with the distribution.
20
21 3. The name "drools" must not be used to endorse or promote
22 products derived from this Software without prior written
23 permission of The Werken Company. For written permission,
24 please contact bob@werken.com.
25
26 4. Products derived from this Software may not be called "drools"
27 nor may "drools" appear in their names without prior written
28 permission of The Werken Company. "drools" is a registered
29 trademark of The Werken Company.
30
31 5. Due credit should be given to The Werken Company.
32 (http://drools.werken.com/).
33
34 THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS
35 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
36 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
37 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
38 THE WERKEN COMPANY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
39 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
41 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
43 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
44 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
45 OF THE POSSIBILITY OF SUCH DAMAGE.
46
47 */
48
49 import org.apache.commons.jelly.JellyTagException;
50 import org.apache.commons.jelly.MissingAttributeException;
51 import org.apache.commons.jelly.TagSupport;
52 import org.apache.commons.jelly.XMLOutput;
53 import org.drools.rule.FixedDuration;
54
55 /*** Construct a <code>FixedDuration</code> for a <code>Rule</code>.
56 *
57 * @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a>
58 *
59 * @version $Id: FixedDurationTag.java,v 1.2 2003/03/25 19:47:32 tdiesler Exp $
60 */
61 public class FixedDurationTag extends TagSupport
62 {
63 // ------------------------------------------------------------
64 // Instance members
65 // ------------------------------------------------------------
66
67 /*** Seconds. */
68 private long seconds;
69
70 /*** Minutes. */
71 private long minutes;
72
73 /*** Hours. */
74 private long hours;
75
76 /*** Days. */
77 private long days;
78
79 /*** Weeks. */
80 private long weeks;
81
82 // ------------------------------------------------------------
83 // Constructors
84 // ------------------------------------------------------------
85
86 /*** Construct.
87 */
88 public FixedDurationTag()
89 {
90 }
91
92 // ------------------------------------------------------------
93 // Instance members
94 // ------------------------------------------------------------
95
96 /*** Set the number of seconds.
97 *
98 * @param seconds Number of seconds.
99 */
100 public void setSeconds(long seconds)
101 {
102 this.seconds = seconds;
103 }
104
105 /*** Set the number of minutes.
106 *
107 * @param minutes Number of minutes.
108 */
109 public void setMinutes(long minutes)
110 {
111 this.minutes = minutes;
112 }
113
114 /*** Set the number of hours.
115 *
116 * @param hours Number of hours.
117 */
118 public void setHours(long hours)
119 {
120 this.hours = hours;
121 }
122
123 /*** Set the number of days.
124 *
125 * @param days Number of days.
126 */
127 public void setDays(long days)
128 {
129 this.days = days;
130 }
131
132 /*** Set the number of weeks.
133 *
134 * @param weeks Number of weeks.
135 */
136 public void setWeeks(long weeks)
137 {
138 this.weeks = weeks;
139 }
140
141 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
142 // org.apache.commons.jelly.Tag
143 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
144
145 /*** Perform this tag.
146 *
147 * @param output The output sink.
148 *
149 * @throws JellyTagException If an error occurs while attempting
150 * to perform this tag.
151 */
152 public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException
153 {
154 DurationTag tag = (DurationTag) findAncestorWithClass( DurationTag.class );
155
156 if ( tag == null )
157 {
158 throw new JellyTagException( "No duration available" );
159 }
160
161 FixedDuration duration = new FixedDuration();
162
163 duration.addSeconds( this.seconds );
164 duration.addMinutes( this.minutes );
165 duration.addHours( this.hours );
166 duration.addDays( this.days );
167 duration.addWeeks( this.weeks );
168
169 tag.setDuration( duration );
170 }
171 }
172
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