blob: 8d7f2ebbe5ad648137d0d4b32f362089d1352cb3 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util.log;
/**
* A try-with-resources compatible layer for {@link StdErrLog#setHideStacks(boolean) hiding stacktraces} within the scope of the <code>try</code> block when
* logging with {@link StdErrLog} implementation.
* <p>
* Use of other logging implementation cause no effect when using this class
* <p>
* Example:
*
* <pre>
* try (StacklessLogging scope = new StacklessLogging(EventDriver.class,Noisy.class))
* {
* doActionThatCausesStackTraces();
* }
* </pre>
*/
public class StacklessLogging implements AutoCloseable
{
private final Class<?> clazzes[];
public StacklessLogging(Class<?>... classesToSquelch)
{
this.clazzes = classesToSquelch;
hideStacks(true);
}
@Override
public void close() throws Exception
{
hideStacks(false);
}
private void hideStacks(boolean hide)
{
for (Class<?> clazz : clazzes)
{
Logger log = Log.getLogger(clazz);
if (log == null)
{
// not interested in classes without loggers
continue;
}
if (log instanceof StdErrLog)
{
// only operate on loggers that are of type StdErrLog
((StdErrLog)log).setHideStacks(hide);
}
}
}
}
|
