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

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Here is the source code for com.ifeng.computing.batch.job.writer.NewsItemFlatFileItemWriter.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.io.File;
import java.io.PrintWriter;
import java.util.List;

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

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

/**
 * @version 0.1
 *
 * @author Hefei Li
 *
 * @since Nov 6, 2014
 */
public class NewsItemFlatFileItemWriter extends FlatFileItemWriter<List<NewsItem>> {

    @Override
    public void write(List<? extends List<NewsItem>> items) throws Exception {
        PrintWriter pw = new PrintWriter(new File("sub_data.csv"));
        StringBuilder sb = null;

        for (List<NewsItem> news : items) {
            for (NewsItem item : news) {
                sb = new StringBuilder("");

                sb.append(item.getId());
                sb.append(",");

                sb.append(item.getCategory());
                sb.append(",");

                sb.append(item.getHotLevel());
                sb.append(",");

                sb.append(item.getpId());
                sb.append(",");

                sb.append(item.getSimScore());

                pw.append(sb.toString());
                pw.println();
            }
        }

        pw.flush();
        pw.close();
    }

    /*public void setResource(Resource resource) {
       this.resource = resource;
    }
        
        
    private Resource resource;*/
}