Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgCallbackTargetException.java @ 403:2747b0723867

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FIXMEs: work on exceptions and javadoc
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 05 Mar 2012 14:50:51 +0100
parents f52ca9530774
children 9c9c442b5f2e
rev   line source
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
394
f52ca9530774 Resolve FIXMEs: more consistent exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 370
diff changeset
2 * Copyright (c) 2011-2012 TMate Software Ltd
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.core;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
19 import org.tmatesoft.hg.util.Path;
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
21
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 /**
370
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
24 * Checked exception that indicates errors in client code and tries to supply extra information about the context it occurred in.
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
25 *
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
26 * Generally, client need to pass own error information/exceptions from within implementations of the callback methods they supply.
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
27 * However, there's no straightforward way to alter throws clause for these methods, and alternatives like generic {@link Exception} or
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
28 * library's own {@link HgException} are rather obscure. Suggested approach is to wrap whatever exception user code produces with
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
29 * {@link RuntimeException} subclass, {@link Wrap}. Then, unwrap and re-throw with checked {@link HgCallbackTargetException}.
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
30 *
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
31 * FIXME REVISIT perhaps, shall just throw HgCallbackTargetException from any handler, and do not catch anything in commands at all?
394
f52ca9530774 Resolve FIXMEs: more consistent exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 370
diff changeset
32 * FIXME decide whether shall root at HgException ("throws HgException, HgCallbackTargetException" looks a bit odd now)
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 * @author Artem Tikhomirov
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 * @author TMate Software Ltd.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 @SuppressWarnings("serial")
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 public class HgCallbackTargetException extends HgException {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 * @param cause can't be <code>null</code>
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 public HgCallbackTargetException(Throwable cause) {
216
c251bbc979cf Use correct super cons to allow explicit initCause
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 215
diff changeset
43 super((String) null);
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 if (cause == null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 throw new IllegalArgumentException();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 if (cause.getClass() == Wrap.class) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 // eliminate wrapper
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 initCause(cause.getCause());
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 } else {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 initCause(cause);
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 @SuppressWarnings("unchecked")
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 public <T extends Exception> T getTargetException() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 return (T) getCause();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 * Despite this exception is merely a way to give users access to their own exceptions, it may still supply
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 * valuable debugging information about what led to the error.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 @Override
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 public String getMessage() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 StringBuilder sb = new StringBuilder();
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
67 sb.append("Original exception thrown: ");
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
68 sb.append(getCause().getClass().getName());
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
69 sb.append(" at ");
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 394
diff changeset
70 extras.appendDetails(sb);
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 return sb.toString();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
74 @Override
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
75 public HgCallbackTargetException setRevision(Nodeid r) {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
76 return (HgCallbackTargetException) super.setRevision(r);
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
77 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
78 @Override
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 320
diff changeset
79 public HgCallbackTargetException setRevisionIndex(int rev) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 320
diff changeset
80 return (HgCallbackTargetException) super.setRevisionIndex(rev);
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
81 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
82 @Override
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
83 public HgCallbackTargetException setFileName(Path name) {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
84 return (HgCallbackTargetException) super.setFileName(name);
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
85 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 216
diff changeset
86
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 * Given the approach high-level handlers throw RuntimeExceptions to indicate errors, and
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 * a need to throw reasonable checked exception from client code, clients may utilize this class
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 * to get their checked exceptions unwrapped by {@link HgCallbackTargetException} and serve as that
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 * exception cause, eliminating {@link RuntimeException} mediator.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 public static final class Wrap extends RuntimeException {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95 public Wrap(Throwable cause) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96 super(cause);
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
97 if (cause == null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
98 throw new IllegalArgumentException();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
99 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
100 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
101 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
102 }