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Java > Open Source Codes > org > apache > lenya > cms > workflow > RoleCondition


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation
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  */
17
18 /* $Id: RoleCondition.java 42598 2004-03-01 16:18:28Z gregor $ */
19
20 package org.apache.lenya.cms.workflow;
21
22 import java.util.HashSet JavaDoc;
23 import java.util.Set JavaDoc;
24
25 import org.apache.lenya.workflow.Situation;
26 import org.apache.lenya.workflow.WorkflowException;
27 import org.apache.lenya.workflow.WorkflowInstance;
28 import org.apache.lenya.workflow.impl.AbstractCondition;
29
30 public class RoleCondition extends AbstractCondition {
31     
32     private Set JavaDoc roleIds = new HashSet JavaDoc();
33     
34     protected static final String JavaDoc SEPARATOR = ",";
35     
36     /**
37      * @see org.apache.lenya.workflow.Condition#setExpression(java.lang.String)
38      */
39     public void setExpression(String JavaDoc expression) throws WorkflowException {
40         super.setExpression(expression);
41         
42         String JavaDoc[] roles = expression.split(SEPARATOR);
43         for (int i = 0; i < roles.length; i++) {
44             roleIds.add(roles[i].trim());
45         }
46     }
47
48     /**
49      * Returns if the condition is complied in a certain situation.
50      * The condition is complied when the current user has the
51      * role that is required by the RoleCondition.
52      * @see org.apache.lenya.workflow.impl.AbstractCondition#isComplied(Situation, WorkflowInstance)
53      */
54     public boolean isComplied(Situation situation, WorkflowInstance instance) throws WorkflowException {
55         CMSSituation situationImpl = (CMSSituation) situation;
56         String JavaDoc[] roles = situationImpl.getRoleIds();
57
58         boolean complied = false;
59
60         for (int i = 0; i < roles.length; i++) {
61             if (roleIds.contains(roles[i])) {
62                 complied = true;
63             }
64         }
65
66         return complied;
67     }
68
69 }
70
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