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Java > Open Source Codes > com > sun > org > apache > xalan > internal > xsltc > compiler > NamespaceAlias


1 /*
2  * Copyright 2001-2004 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  * $Id: NamespaceAlias.java,v 1.7 2004/02/16 22:24:29 minchau Exp $
18  */
19
20 package com.sun.org.apache.xalan.internal.xsltc.compiler;
21
22 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
23 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
24 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
25 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
26
27 /**
28  * @author Jacek Ambroziak
29  * @author Santiago Pericas-Geertsen
30  */
31 final class NamespaceAlias extends TopLevelElement {
32
33     private String JavaDoc sPrefix;
34     private String JavaDoc rPrefix;
35     
36     /*
37      * The namespace alias definitions given here have an impact only on
38      * literal elements and literal attributes.
39      */
40     public void parseContents(Parser parser) {
41     sPrefix = getAttribute("stylesheet-prefix");
42     rPrefix = getAttribute("result-prefix");
43     parser.getSymbolTable().addPrefixAlias(sPrefix,rPrefix);
44     }
45     
46     public Type typeCheck(SymbolTable stable) throws TypeCheckError {
47     return Type.Void;
48     }
49     
50     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
51     // do nada
52 }
53 }
54
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