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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.commons.jxpath.ri;
17  
18  import java.util.Iterator;
19  
20  import org.apache.commons.jxpath.ri.compiler.Expression;
21  import org.apache.commons.jxpath.CompiledExpression;
22  import org.apache.commons.jxpath.JXPathContext;
23  import org.apache.commons.jxpath.Pointer;
24  
25  /***
26   *
27   *
28   * @author Dmitri Plotnikov
29   * @version $Revision: 1.9 $ $Date: 2004/02/29 14:17:45 $
30   */
31  public class JXPathCompiledExpression implements CompiledExpression {
32  
33      private String xpath;
34      private Expression expression;
35  
36      public JXPathCompiledExpression(String xpath, Expression expression) {
37          this.xpath = xpath;
38          this.expression = expression;
39      }
40  
41      protected String getXPath() {
42          return xpath;
43      }
44  
45      protected Expression getExpression() {
46          return expression;
47      }
48  
49      public String toString() {
50          return xpath;
51      }
52      
53      /***
54       * @see CompiledExpression#getValue(JXPathContext)
55       */
56      public Object getValue(JXPathContext context) {
57          return ((JXPathContextReferenceImpl) context).
58                      getValue(xpath, expression);
59      }
60  
61      /***
62       * @see CompiledExpression#getValue(JXPathContext, Class)
63       */
64      public Object getValue(JXPathContext context, Class requiredType) {
65          return ((JXPathContextReferenceImpl) context).
66                      getValue(xpath, expression, requiredType);
67      }
68  
69      /***
70       * @see CompiledExpression#setValue(JXPathContext, Object)
71       */
72      public void setValue(JXPathContext context, Object value) {
73          ((JXPathContextReferenceImpl) context).
74                      setValue(xpath, expression, value);
75      }
76  
77      /***
78       * @see CompiledExpression#createPath(JXPathContext)
79       */
80      public Pointer createPath(JXPathContext context) {
81          return ((JXPathContextReferenceImpl) context).
82                      createPath(xpath, expression);
83      }
84  
85      /***
86       * @see CompiledExpression#createPathAndSetValue(JXPathContext, Object)
87       */
88      public Pointer createPathAndSetValue(JXPathContext context, Object value) {
89          return ((JXPathContextReferenceImpl) context).
90                      createPathAndSetValue(xpath, expression, value);
91      }
92  
93      /***
94       * @see CompiledExpression#iterate(JXPathContext)
95       */
96      public Iterator iterate(JXPathContext context) {
97          return ((JXPathContextReferenceImpl) context).
98                      iterate(xpath, expression);
99      }
100 
101     /***
102      * @see CompiledExpression#getPointer(JXPathContext, String)
103      */
104     public Pointer getPointer(JXPathContext context, String xpath) {
105         return ((JXPathContextReferenceImpl) context).
106                     getPointer(xpath, expression);
107     }
108 
109     /***
110      * @see CompiledExpression#iteratePointers(JXPathContext)
111      */
112     public Iterator iteratePointers(JXPathContext context) {
113         return ((JXPathContextReferenceImpl) context).
114                     iteratePointers(xpath, expression);
115     }
116 
117     /***
118      * @see CompiledExpression#removePath(JXPathContext)
119      */
120     public void removePath(JXPathContext context) {
121         ((JXPathContextReferenceImpl) context).removePath(xpath, expression);
122     }
123 
124     /***
125      * @see CompiledExpression#removeAll(JXPathContext)
126      */
127     public void removeAll(JXPathContext context) {
128         ((JXPathContextReferenceImpl) context).removeAll(xpath, expression);
129     }
130 }