kr.okplace.job.support.StepExecutionApplicationEventAdvice.java Source code

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Here is the source code for kr.okplace.job.support.StepExecutionApplicationEventAdvice.java

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/*
 * Copyright 2006-2007 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 kr.okplace.job.support;

import org.aspectj.lang.JoinPoint;
import org.springframework.batch.core.StepExecution;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;

/**
 * Wraps calls for methods taking {@link StepExecution} as an argument and
 * publishes notifications in the form of {@link ApplicationEvent}.
 * 
 * @author Dave Syer
 */
public class StepExecutionApplicationEventAdvice implements ApplicationEventPublisherAware {

    private ApplicationEventPublisher applicationEventPublisher;

    /*
     * (non-Javadoc)
     * @see org.springframework.context.ApplicationEventPublisherAware#setApplicationEventPublisher(org.springframework.context.ApplicationEventPublisher)
     */
    public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
        this.applicationEventPublisher = applicationEventPublisher;
    }

    public void before(JoinPoint jp, StepExecution stepExecution) {
        String msg = "Before: " + jp.toShortString() + " with: " + stepExecution;
        publish(jp.getTarget(), msg);
    }

    public void after(JoinPoint jp, StepExecution stepExecution) {
        String msg = "After: " + jp.toShortString() + " with: " + stepExecution;
        publish(jp.getTarget(), msg);
    }

    public void onError(JoinPoint jp, StepExecution stepExecution, Throwable t) {
        String msg = "Error in: " + jp.toShortString() + " with: " + stepExecution + " (" + t.getClass() + ":"
                + t.getMessage() + ")";
        publish(jp.getTarget(), msg);
    }

    /*
     * Publish a {@link SimpleMessageApplicationEvent} with the given
     * parameters.
     */
    private void publish(Object source, String message) {
        applicationEventPublisher.publishEvent(new SimpleMessageApplicationEvent(source, message));
    }

}