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Java > Open Source Codes > org > apache > cocoon > forms > expression > ExpressionManager


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 package org.apache.cocoon.forms.expression;
17
18 import org.outerj.expression.Expression;
19 import org.outerj.expression.ParseException;
20 import org.outerj.expression.ExpressionException;
21
22 /**
23  * Work interface for the component that creates Expression objects.
24  * The reason for centralising the creation of expressions is so that
25  * new functions can be registered in one place.
26  *
27  * @version $Id: ExpressionManager.java 56582 2004-11-04 10:16:22Z sylvain $
28  */
29 public interface ExpressionManager {
30     
31     String JavaDoc ROLE = ExpressionManager.class.getName();
32     
33     Expression parse(String JavaDoc expression) throws ParseException, ExpressionException;
34 }
35
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