/*
 * Copyright 2002-2012 the original author or authors.
 *
 * 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 org.springframework.scheduling.support;

import java.lang.reflect.UndeclaredThrowableException;

import org.springframework.util.Assert;
import org.springframework.util.ErrorHandler;

Runnable wrapper that catches any exception or error thrown from its delegate Runnable and allows an ErrorHandler to handle it.
Author:Juergen Hoeller, Mark Fisher
Since:3.0
/** * Runnable wrapper that catches any exception or error thrown from its * delegate Runnable and allows an {@link ErrorHandler} to handle it. * * @author Juergen Hoeller * @author Mark Fisher * @since 3.0 */
public class DelegatingErrorHandlingRunnable implements Runnable { private final Runnable delegate; private final ErrorHandler errorHandler;
Create a new DelegatingErrorHandlingRunnable.
Params:
  • delegate – the Runnable implementation to delegate to
  • errorHandler – the ErrorHandler for handling any exceptions
/** * Create a new DelegatingErrorHandlingRunnable. * @param delegate the Runnable implementation to delegate to * @param errorHandler the ErrorHandler for handling any exceptions */
public DelegatingErrorHandlingRunnable(Runnable delegate, ErrorHandler errorHandler) { Assert.notNull(delegate, "Delegate must not be null"); Assert.notNull(errorHandler, "ErrorHandler must not be null"); this.delegate = delegate; this.errorHandler = errorHandler; } @Override public void run() { try { this.delegate.run(); } catch (UndeclaredThrowableException ex) { this.errorHandler.handleError(ex.getUndeclaredThrowable()); } catch (Throwable ex) { this.errorHandler.handleError(ex); } } @Override public String toString() { return "DelegatingErrorHandlingRunnable for " + this.delegate; } }