--- /dev/null
+//
+// ========================================================================
+// Copyright (c) 1995-2014 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);
+ }
+ }
+ }
+}