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Java > Open Source Codes > org > apache > lenya > workflow > impl > AbstractCondition


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: AbstractCondition.java 42598 2004-03-01 16:18:28Z gregor $ */
19
20 package org.apache.lenya.workflow.impl;
21
22 import org.apache.lenya.workflow.Condition;
23 import org.apache.lenya.workflow.WorkflowException;
24
25 /**
26  * Abstract base class for workflow conditions.
27  */
28 public abstract class AbstractCondition implements Condition {
29
30     private String JavaDoc expression;
31
32     /**
33      * @see org.apache.lenya.workflow.impl.AbstractCondition#setExpression(java.lang.String)
34      */
35     public void setExpression(String JavaDoc expression) throws WorkflowException {
36         this.expression = expression.trim();
37     }
38
39     /**
40      * Returns the expression of this condition.
41      * @return A string.
42      */
43     public String JavaDoc getExpression() {
44         return expression;
45     }
46
47     /**
48      * @see java.lang.Object#toString()
49      */
50     public String JavaDoc toString() {
51         return getExpression();
52     }
53     
54 }
55
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