diff --git a/jetty-util/src/main/java/org/eclipse/jetty/util/log/StacklessLogging.java b/jetty-util/src/main/java/org/eclipse/jetty/util/log/StacklessLogging.java new file mode 100644 index 00000000000..8d7f2ebbe5a --- /dev/null +++ b/jetty-util/src/main/java/org/eclipse/jetty/util/log/StacklessLogging.java @@ -0,0 +1,69 @@ +// +// ======================================================================== +// 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 try block when + * logging with {@link StdErrLog} implementation. + *

+ * Use of other logging implementation cause no effect when using this class + *

+ * Example: + * + *

+ * try (StacklessLogging scope = new StacklessLogging(EventDriver.class,Noisy.class))
+ * {
+ *     doActionThatCausesStackTraces();
+ * }
+ * 
+ */ +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); + } + } + } +}