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Java > Open Source Codes > edu > umd > cs > findbugs > detect > NoteNonNullAnnotations


1 /*
2  * FindBugs - Find Bugs in Java programs
3  * Copyright (C) 2005, 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.detect;
21
22 import org.apache.bcel.classfile.JavaClass;
23
24 import edu.umd.cs.findbugs.BugReporter;
25 import edu.umd.cs.findbugs.Detector;
26 import edu.umd.cs.findbugs.NonReportingDetector;
27 import edu.umd.cs.findbugs.ba.AnalysisContext;
28 import edu.umd.cs.findbugs.ba.ClassContext;
29
30 /**
31  * Scan classes for @NonNull, @PossiblyNull and @CheckForNull annotations,
32  * and convey them to FindNullDeref.
33  */
34 public class NoteNonNullAnnotations
35         extends BuildNonNullAnnotationDatabase
36         implements Detector, NonReportingDetector {
37     
38     public NoteNonNullAnnotations(BugReporter bugReporter) {
39         AnalysisContext.currentAnalysisContext().getNullnessAnnotationDatabase(); // force initialization
40 }
41
42     public void visitClassContext(ClassContext classContext) {
43         
44         JavaClass javaClass = classContext.getJavaClass();
45         if (!FindUnreleasedLock.preTiger(javaClass)) javaClass.accept(this);
46     }
47
48     public void report() {
49     }
50 }
51
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