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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/javax/net/ssl/provider/DelegatedTask.java | |
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Diffstat (limited to 'libjava/classpath/gnu/javax/net/ssl/provider/DelegatedTask.java')
-rw-r--r-- | libjava/classpath/gnu/javax/net/ssl/provider/DelegatedTask.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/net/ssl/provider/DelegatedTask.java b/libjava/classpath/gnu/javax/net/ssl/provider/DelegatedTask.java new file mode 100644 index 000000000..34fd39d19 --- /dev/null +++ b/libjava/classpath/gnu/javax/net/ssl/provider/DelegatedTask.java @@ -0,0 +1,93 @@ +/* DelegatedTask.java -- + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.javax.net.ssl.provider; + +import gnu.classpath.debug.Component; +import gnu.classpath.debug.SystemLogger; + +/** + * @author Casey Marshall (csm@gnu.org) + */ +public abstract class DelegatedTask implements Runnable +{ + private static final SystemLogger logger = SystemLogger.SYSTEM; + private boolean hasRun; + protected Throwable thrown; + + protected DelegatedTask() + { + hasRun = false; + } + + public final void run() + { + if (hasRun) + throw new IllegalStateException("task already ran"); + try + { + if (Debug.DEBUG) + logger.logv(Component.SSL_DELEGATED_TASK, + "running delegated task {0} in {1}", this, + Thread.currentThread()); + implRun(); + } + catch (Throwable t) + { + if (Debug.DEBUG) + logger.log(Component.SSL_DELEGATED_TASK, "task threw exception", t); + thrown = t; + } + finally + { + hasRun = true; + } + } + + public final boolean hasRun() + { + return hasRun; + } + + public final Throwable thrown() + { + return thrown; + } + + protected abstract void implRun() throws Throwable; +} |