01: /*
02: * hgcommons 7
03: * Hammurapi Group Common Library
04: * Copyright (C) 2003 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.hammurapi.biz/hammurapi-biz/ef/xmenu/hammurapi-group/products/products/hgcommons/index.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.util;
24:
25: import java.util.Collections;
26: import java.util.Iterator;
27: import java.util.LinkedList;
28: import java.util.List;
29:
30: /**
31: * @author Pavel Vlasov
32: * @version $Revision: 1.1 $
33: */
34: public class AccumulatingExceptionSink implements ExceptionSink {
35: private List exceptions = new LinkedList();
36:
37: public class Entry {
38: Entry(Object source, Exception exception) {
39: super ();
40: this .source = source;
41: this .exception = exception;
42: }
43:
44: Object source;
45: Exception exception;
46:
47: public Exception getException() {
48: return exception;
49: }
50:
51: public Object getSource() {
52: return source;
53: }
54: }
55:
56: public synchronized void consume(Object source, Exception e) {
57: exceptions.add(new Entry(source, e));
58: }
59:
60: public synchronized List getExceptions() {
61: return Collections.unmodifiableList(exceptions);
62: }
63:
64: public synchronized void reset() {
65: exceptions.clear();
66: }
67:
68: /**
69: * Invokes printStackTrace() for all accumulated exceptions
70: */
71: public synchronized void dump() {
72: Iterator it = exceptions.iterator();
73: while (it.hasNext()) {
74: Entry entry = (Entry) it.next();
75: System.err.println("Source: " + entry.getSource());
76: entry.getException().printStackTrace();
77: }
78: }
79: }
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