KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > netbeans > jmi > javamodel > regenerator > LexDiff


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 /*
20  * LexDiff.java
21  *
22  * Created on 09 December 2003, 16:34
23  */
24
25 package org.netbeans.jmi.javamodel.regenerator;
26
27 import java.io.File JavaDoc;
28 import java.io.FileReader JavaDoc;
29 import org.netbeans.junit.diff.Diff;
30 import org.netbeans.lib.java.parser.Factory;
31
32 /**
33  *
34  * @author jb105785
35  */
36 public class LexDiff implements Diff {
37
38     public boolean diff(String JavaDoc str, String JavaDoc str1, String JavaDoc str2) throws java.io.IOException JavaDoc {
39         return diff(new File JavaDoc(str), new File JavaDoc(str1), null);
40     }
41
42     public boolean diff(java.io.File JavaDoc file, java.io.File JavaDoc file1, java.io.File JavaDoc file2) throws java.io.IOException JavaDoc {
43         org.netbeans.lib.java.parser.JScanner lex1 = Factory.getDefault().getScanner(new FileReader JavaDoc(file), "pending");
44         org.netbeans.lib.java.parser.JScanner lex2 = Factory.getDefault().getScanner(new FileReader JavaDoc(file1), "pending");
45
46         int token1 = lex1.yylex();
47         int token2 = lex2.yylex();
48         while (token1 != 0 && token2 !=0 ){
49             if (token1 != token2) {
50                 System.out.println("token " + token1 + " (" + lex1.yytext() + ") != " + token2 + " (" + lex2.yytext() + ")" );
51                 return true;
52             }
53             if (!lex1.yytext().equals(lex2.yytext())) {
54                 System.out.println("token " + token1 + " (" + lex1.yytext() + ") != " + token2 + " (" + lex2.yytext() + ")" );
55                 return true;
56             }
57             token1 = lex1.yylex();
58             token2 = lex2.yylex();
59         }
60         if (token1 != token2) {
61             System.out.println("token " + token1 + " (" + lex1.yytext() + ") != " + token2 + " (" + lex2.yytext() + ")" );
62             return true;
63         }
64         return false;
65     }
66 }
67
Popular Tags