Java tutorial
/** * Copyright (c) 2016-2020 Weibo, Inc. * All rights reserved. * * This software is the confidential and proprietary information of Weibo, * Inc. ("Confidential Information"). You shall not * disclose such Confidential Information and shall use it only in * accordance with the terms of the license agreement you entered into with Weibo. */ package com.weibo.datasys.crawler.impl.crawlUnit.fetcher.wxcs; import java.text.SimpleDateFormat; import java.util.Date; import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Element; import com.weibo.datasys.crawler.commonDownloader.entity.DownRequest; import com.weibo.datasys.common.util.StringUtils; import com.weibo.datasys.crawler.base.entity.SeedData; import com.weibo.datasys.crawler.impl.crawlUnit.fetcher.DefaultFetcher; /** * Fetcher * * */ public class WXCSFetcher extends DefaultFetcher { private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); @Override protected void configPostReq(SeedData seedData, DownRequest req) { Document doc = DocumentHelper.createDocument(); doc.setXMLEncoding("utf-8"); // Element root = doc.addElement("root"); // transactionid root.addElement("transactionid").addText(""); // timestamp root.addElement("timestamp").addText(sdf.format(new Date())); // msgname String msgname = seedData.getExtendField(POST_FIELD_PREFIX + "msgname"); msgname = StringUtils.nullToEmpty(msgname); root.addElement("msgname").addText(msgname); // result root.addElement("result").addText(""); // resultdesc root.addElement("resultdesc").addText(""); // body Element body = root.addElement("body"); // dircode ?, root String dircode = seedData.getExtendField(POST_FIELD_PREFIX + "dircode"); dircode = StringUtils.nullToEmpty(dircode); body.addElement("dircode").addText(dircode); // areacode ??? String areacode = seedData.getExtendField(POST_FIELD_PREFIX + "areacode"); areacode = StringUtils.nullToEmpty(areacode); body.addElement("areacode").addText(areacode); // nodeversion ?? String nodeversion = seedData.getExtendField(POST_FIELD_PREFIX + "nodeversion"); nodeversion = StringUtils.nullToEmpty(nodeversion); body.addElement("nodeversion").addText(nodeversion); // depth ?[0..10]?10 // ?0????? // ?>0???? String depth = seedData.getExtendField(POST_FIELD_PREFIX + "depth"); depth = StringUtils.nullToEmpty(depth); body.addElement("depth").addText(depth); // returenres ??? // 0 // 1? // ? String returenres = seedData.getExtendField(POST_FIELD_PREFIX + "returenres"); if (StringUtils.isEmptyString(returenres)) { returenres = "1"; } body.addElement("returenres").addText(returenres); req.setContentType("text/xml"); req.setPostString(doc.asXML()); } }