2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
19 package org.eclipse.jetty.util.log;
22 * A try-with-resources compatible layer for {@link StdErrLog#setHideStacks(boolean) hiding stacktraces} within the scope of the <code>try</code> block when
23 * logging with {@link StdErrLog} implementation.
25 * Use of other logging implementation cause no effect when using this class
30 * try (StacklessLogging scope = new StacklessLogging(EventDriver.class,Noisy.class))
32 * doActionThatCausesStackTraces();
36 public class StacklessLogging implements AutoCloseable
38 private final Class<?> clazzes[];
40 public StacklessLogging(Class<?>... classesToSquelch)
42 this.clazzes = classesToSquelch;
47 public void close() throws Exception
52 private void hideStacks(boolean hide)
54 for (Class<?> clazz : clazzes)
56 Logger log = Log.getLogger(clazz);
59 // not interested in classes without loggers
62 if (log instanceof StdErrLog)
64 // only operate on loggers that are of type StdErrLog
65 ((StdErrLog)log).setHideStacks(hide);