com.ifeng.computing.batch.job.writer.TextFlatFileItemWriter.java Source code

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Here is the source code for com.ifeng.computing.batch.job.writer.TextFlatFileItemWriter.java

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/*
 * Copyright 2010-2011 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 com.ifeng.computing.batch.job.writer;

import java.util.ArrayList;
import java.util.List;

import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.file.FlatFileItemWriter;

import com.ifeng.computing.orm.domain.LogData;
import com.ifeng.computing.orm.domain.NewsItem;

/**
 * @version 0.1
 *
 * @author Hefei Li
 *
 * @since Nov 4, 2014
 */
public class TextFlatFileItemWriter extends FlatFileItemWriter<LogData> {

    @Override
    public void write(List<? extends LogData> items) throws Exception {
        super.write(items);

        /*PrintWriter writer = new PrintWriter(new File("sub-log.txt"));
        StringBuilder sb = null;
            
        List<NewsItem> news = null;
        for(LogData data : items){
           sb = new StringBuilder("");
           news = data.getNewsItem();
               
           sb.append(data.getpId());
           sb.append(",");
               
           for(NewsItem item : news){
        sb.append(item.getCategory());
        sb.append(",");
            
        sb.append(item.getHotLevel());
        sb.append(",");
            
        sb.append(item.getId());
        sb.append(",");
            
        sb.append(item.getpId());
        sb.append(",");
            
        sb.append(item.getSimScore());
           }
               
           writer.append(sb.toString());
           writer.println();
        }
            
        writer.flush();
        writer.close();*/

        List<NewsItem> list = new ArrayList<NewsItem>();

        for (LogData data : items) {
            list.addAll(data.getNewsItem());
        }

        subWriter.write(list);
    }

    public void setSubWriter(ItemWriter<NewsItem> subWriter) {
        this.subWriter = subWriter;
    }

    private ItemWriter<NewsItem> subWriter;
}