KickJava   Java API By Example, From Geeks To Geeks.

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


1 /*
2  * FindBugs - Find bugs in Java programs
3  * Copyright (C) 2005-2006 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.detect;
21
22
23
24 import edu.umd.cs.findbugs.*;
25
26 public class FindEmptySynchronizedBlock
27     extends BytecodeScanningDetector {
28
29     BugReporter bugReporter;
30
31     public FindEmptySynchronizedBlock(BugReporter bugReporter) {
32         this.bugReporter = bugReporter;
33     }
34
35
36
37
38     @Override JavaDoc
39          public void sawOpcode(int seen) {
40         if (seen == MONITOREXIT && (getPrevOpcode(2) == MONITORENTER || getPrevOpcode(1) == MONITORENTER) )
41           bugReporter.reportBug(new BugInstance(this, "ESync_EMPTY_SYNC", NORMAL_PRIORITY)
42                                 .addClassAndMethod(this)
43                                 .addSourceLine(this));
44
45         }
46     }
47
Popular Tags