1 package org.apache.commons.ognl;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.commons.ognl.enhance.UnsupportedCompilationException;
23
24 /**
25 * $Id: ASTThisVarRef.java 1184964 2011-10-17 00:26:34Z mcucchiara $
26 * @author Luke Blanshard (blanshlu@netscape.net)
27 * @author Drew Davidson (drew@ognl.org)
28 */
29 public class ASTThisVarRef
30 extends ASTVarRef
31 {
32
33 public ASTThisVarRef( int id )
34 {
35 super( id );
36 }
37
38 public ASTThisVarRef( OgnlParser p, int id )
39 {
40 super( p, id );
41 }
42
43 protected Object getValueBody( OgnlContext context, Object source )
44 throws OgnlException
45 {
46 return context.getCurrentObject();
47 }
48
49 protected void setValueBody( OgnlContext context, Object target, Object value )
50 throws OgnlException
51 {
52 context.setCurrentObject( value );
53 }
54
55 public String toGetSourceString( OgnlContext context, Object target )
56 {
57 throw new UnsupportedCompilationException( "Unable to compile this references." );
58 }
59
60 public String toSetSourceString( OgnlContext context, Object target )
61 {
62 throw new UnsupportedCompilationException( "Unable to compile this references." );
63 }
64
65 public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data )
66 throws OgnlException
67 {
68 return visitor.visit( this, data );
69 }
70 }