org.examproject.tweet.aspect.TweetServiceAspect.java Source code

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Here is the source code for org.examproject.tweet.aspect.TweetServiceAspect.java

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/* 
 * 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.examproject.tweet.aspect;

import javax.inject.Inject;

import org.apache.commons.collections.Predicate;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.context.ApplicationContext;

import org.examproject.tweet.dto.TweetDto;
import org.examproject.tweet.service.PermalinkService;
import org.examproject.tweet.service.TagcrowdService;
import org.examproject.tweet.service.TweetService;
import org.examproject.tweet.util.IsContainJaKanaCodePredicate;
import org.examproject.tweet.util.IsContainKrHangulCodePredicate;

/**
 * @author hiroxpepe
 */
@Aspect
public class TweetServiceAspect {

    private static final Log LOG = LogFactory.getLog(TweetServiceAspect.class);

    private static final String PERMALINK_SERVICE_BEAN_ID = "permalinkService";

    private static final String TAGCROWD_SERVICE_BEAN_ID = "tagcrowdService";

    @Inject
    private final ApplicationContext context = null;

    ///////////////////////////////////////////////////////////////////////////
    // public methods

    @Before("execution(* org.examproject.tweet.service.TweetService.update(..))")
    public void updateBefore(JoinPoint jp) {
        LOG.debug("called.");

        Object args[] = jp.getArgs();
        String content = (String) args[0];
        LOG.debug("content: " + content);
    }

    @After("execution(* org.examproject.tweet.service.TweetService.update(..))")
    public void updateAfter(JoinPoint jp) {
        LOG.debug("called.");

        Predicate jaPredicate = new IsContainJaKanaCodePredicate();
        Predicate krPredicate = new IsContainKrHangulCodePredicate();

        // set tweetService.
        TweetService tweetService = (TweetService) jp.getThis();
        TweetDto tweetDto = tweetService.getCurrent();
        String text = tweetDto.getText();

        // contain japanese.
        if (jaPredicate.evaluate(text)) {
            return;
        }
        // contain korean.
        if (krPredicate.evaluate(text)) {

            // do permalinkService.
            PermalinkService permalinkService = (PermalinkService) context.getBean(PERMALINK_SERVICE_BEAN_ID);
            permalinkService.update(tweetDto);

            // do tagcrowdService.
            TagcrowdService tagcrowdService = (TagcrowdService) context.getBean(TAGCROWD_SERVICE_BEAN_ID);
            tagcrowdService.update(tweetDto);
        }
    }

}