Java tutorial
/** * Copyright (c) 2005-2012 Zauber S.A. <http://www.zaubersoftware.com/> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ar.com.zauber.commons.dao.closure; import org.apache.commons.lang.UnhandledException; import org.apache.commons.lang.Validate; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import ar.com.zauber.commons.dao.Closure; /** * Loguea las exepciones. util para que sea el closure de mas afuera de una * threadpool. * * @author Juan F. Codagnone * @since Jan 25, 2010 * @param <T> Type */ public class ErrorLoggerWrapperClosure<T> implements Closure<T> { private final Closure<T> target; private final Closure<Throwable> errorClosure; /** Creates the WrapperClosure. */ public ErrorLoggerWrapperClosure(final Closure<T> target) { this(target, new Closure<Throwable>() { private final Logger logger = LoggerFactory.getLogger(ErrorLoggerWrapperClosure.class); public void execute(final Throwable e) { logger.error("processing closure", e); throw new UnhandledException(e); } }); } /** Creates the WrapperClosure. */ public ErrorLoggerWrapperClosure(final Closure<T> target, final Closure<Throwable> errorClosure) { Validate.notNull(target); Validate.notNull(errorClosure); this.target = target; this.errorClosure = errorClosure; } /** @see Closure#execute(Object) */ public final void execute(final T t) { try { target.execute(t); } catch (final Throwable e) { errorClosure.execute(e); } } }