com.eincs.athens.olympus.service.PostDeleteService.java Source code

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Here is the source code for com.eincs.athens.olympus.service.PostDeleteService.java

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/*
 * Copyright 2012 Athens Team
 * 
 * This file to you 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 com.eincs.athens.olympus.service;

import org.apache.ibatis.session.SqlSession;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.util.CharsetUtil;

import com.eincs.athens.olympus.data.DataUtils;
import com.eincs.athens.olympus.data.Post;
import com.eincs.athens.olympus.db.OlympusMapper;
import com.eincs.pantheon.handler.service.simple.Bind;
import com.eincs.pantheon.handler.service.simple.SimpleService;
import com.eincs.pantheon.message.PanteonContentType;
import com.eincs.pantheon.message.PanteonRequest;
import com.eincs.pantheon.message.PanteonResponse;

import net.rothlee.athens.olympus.mybatis.test.DBManager;

/**
 * @author roth2520@gmail.com
 */
@Bind(path = "/delete", method = { "GET" })
public class PostDeleteService implements SimpleService {

    @Override
    public void doServe(PanteonRequest request, PanteonResponse response) throws Exception {
        final Integer postId = request.getParams().getParam("id", Integer.class);
        final DBManager dbm = DBManager.getInstance();
        final SqlSession session = dbm.openSession();

        try {
            final OlympusMapper mapper = session.getMapper(OlympusMapper.class);
            final int result = mapper.deletePost(Post.create(postId));
            session.commit();

            final String responseString = DataUtils.toResponseString(result > 0);
            response.setContentType(PanteonContentType.TEXT_PLAIN);
            response.setContents(ChannelBuffers.copiedBuffer(responseString, CharsetUtil.UTF_8));

        } finally {
            session.close();
        }
    }

}