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Java > Open Source Codes > edu > umd > cs > findbugs > classfile > impl > DelegatingCodeBaseIterator


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.classfile.impl;
21
22 import edu.umd.cs.findbugs.classfile.ICodeBase;
23 import edu.umd.cs.findbugs.classfile.ICodeBaseEntry;
24 import edu.umd.cs.findbugs.classfile.ICodeBaseIterator;
25 import edu.umd.cs.findbugs.classfile.IScannableCodeBase;
26
27 /**
28  * An implementation of ICodeBaseIterator that delegates to
29  * another codebase. In particular, the codebase entries
30  * it creates are DelegatingCodeBaseEntry objects.
31  *
32  * @author David Hovemeyer
33  */
34 public class DelegatingCodeBaseIterator implements ICodeBaseIterator {
35     private ICodeBase frontEndCodeBase;
36     private IScannableCodeBase delegateCodeBase;
37     private ICodeBaseIterator delegateCodeBaseIterator;
38     
39     public DelegatingCodeBaseIterator(ICodeBase frontEndCodeBase, IScannableCodeBase delegateCodeBase) throws InterruptedException JavaDoc {
40         this.frontEndCodeBase = frontEndCodeBase;
41         this.delegateCodeBase = delegateCodeBase;
42         this.delegateCodeBaseIterator = delegateCodeBase.iterator();
43     }
44
45     /* (non-Javadoc)
46      * @see edu.umd.cs.findbugs.classfile.ICodeBaseIterator#hasNext()
47      */
48     public boolean hasNext() throws InterruptedException JavaDoc {
49         return delegateCodeBaseIterator.hasNext();
50     }
51
52     /* (non-Javadoc)
53      * @see edu.umd.cs.findbugs.classfile.ICodeBaseIterator#next()
54      */
55     public ICodeBaseEntry next() throws InterruptedException JavaDoc {
56         ICodeBaseEntry delegateCodeBaseEntry = delegateCodeBaseIterator.next();
57         return new DelegatingCodeBaseEntry(frontEndCodeBase, delegateCodeBaseEntry);
58     }
59
60 }
61
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