01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18:
19: /* $Id: AbstractCondition.java 473861 2006-11-12 03:51:14Z gregor $ */
20:
21: package org.apache.lenya.workflow.impl;
22:
23: import org.apache.avalon.framework.logger.AbstractLogEnabled;
24: import org.apache.lenya.workflow.Condition;
25: import org.apache.lenya.workflow.WorkflowException;
26:
27: /**
28: * Abstract base class for workflow conditions.
29: */
30: public abstract class AbstractCondition extends AbstractLogEnabled
31: implements Condition {
32:
33: private String expression;
34:
35: /**
36: * @see org.apache.lenya.workflow.impl.AbstractCondition#setExpression(java.lang.String)
37: */
38: public void setExpression(String ex) throws WorkflowException {
39: this .expression = ex.trim();
40: }
41:
42: /**
43: * Returns the expression of this condition.
44: * @return A string.
45: */
46: public String getExpression() {
47: return this .expression;
48: }
49:
50: /**
51: * @see java.lang.Object#toString()
52: */
53: public String toString() {
54: return getExpression();
55: }
56:
57: }
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