ValueSuffix


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  package org.apache.taglibs.standard.lang.jstl;
18  
19  import java.util.Map  ;
20  
21  /**
22   *
23   * <p>Represents an element that can appear as a suffix in a complex
24   * value, such as a property or index operator, or a method call (should
25   * they ever need to be supported).
26   * 
27   * @author Nathan Abramson - Art Technology Group
28   * @author Shawn Bayern
29   * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: pierred $
30   **/
31  
32  public abstract class ValueSuffix
33  {
34    //-------------------------------------
35    /**
36     *
37     * Returns the expression in the expression language syntax
38     **/
39    public abstract String   getExpressionString ();
40  
41    //-------------------------------------
42    /**
43     *
44     * Evaluates the expression in the given context, operating on the
45     * given value.
46     **/
47    public abstract Object   evaluate (Object   pValue,
48                     Object   pContext,
49                     VariableResolver pResolver,
50                     Map   functions,
51                     String   defaultPrefix,
52                     Logger pLogger)
53      throws ELException;
54  
55    //-------------------------------------
56  }
57
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags