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Java > Open Source Codes > edu > umd > cs > findbugs > workflow > SourceSearcher


1 /*
2  * FindBugs - Find Bugs in Java programs
3  * Copyright (C) 2006, University of Maryland
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19
20 package edu.umd.cs.findbugs.workflow;
21
22 import java.io.IOException JavaDoc;
23 import java.io.InputStream JavaDoc;
24 import java.util.HashSet JavaDoc;
25
26 import edu.umd.cs.findbugs.Project;
27 import edu.umd.cs.findbugs.SourceLineAnnotation;
28 import edu.umd.cs.findbugs.ba.SourceFinder;
29
30 /**
31  * @author pugh
32  */
33 public class SourceSearcher {
34     HashSet JavaDoc<String JavaDoc> sourceFound = new HashSet JavaDoc<String JavaDoc>();
35     HashSet JavaDoc<String JavaDoc> sourceNotFound = new HashSet JavaDoc<String JavaDoc>();
36      SourceFinder sourceFinder = new SourceFinder();
37
38     public SourceSearcher(Project project) {
39         sourceFinder.setSourceBaseList(project.getSourceDirList());
40     }
41     
42     public boolean findSource(SourceLineAnnotation srcLine) {
43         if (srcLine == null) return false;
44         String JavaDoc sourceFile = srcLine.getSourceFile();
45         if (sourceFile != null && !sourceFile.equals("<Unknown>")) {
46             
47             String JavaDoc cName = srcLine.getClassName();
48             if (sourceFound.contains(cName)) return true;
49             if (sourceNotFound.contains(cName)) return false;
50             try {
51                 InputStream JavaDoc in = sourceFinder.openSource(srcLine.getPackageName(), sourceFile);
52                 in.close();
53                 sourceFound.add(cName);
54                 return true;
55             } catch (IOException JavaDoc e) {
56                 assert true; // ignore it -- couldn't find source file
57 sourceNotFound.add(cName);
58             }
59         }
60         return false;
61     }
62
63 }
64
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