采集电子报纸 博客分类: java java信息采集电子报纸jsoup
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2024-03-17 23:54:28
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1、接口
/** *报纸采集器 * @author 杨尚川 */ public interface PaperCollector { /** * 下载当日报纸,一个文件对应一个版面 * @return 报纸 */ List<File> collect(); /** * 下载指定日期的报纸,一个文件对应一个版面 * @param date 指定日期 * @return 报纸 */ List<File> collect(Date date); }
2、抽象类
/** *报纸采集器抽象类,通用采集功能实现 * @author 杨尚川 */ public abstract class AbstractPaperCollector implements PaperCollector{ protected final Logger LOG = LoggerFactory.getLogger(getClass()); @Override public List<File> collect() { return collect(new Date()); } /** * 根据下载链接提取文件夹名称 * @param href 下载链接 * @return 文件夹名称 */ protected abstract String getPath(String href); /** * 根据下载链接提取文件名称 * @param href 下载链接 * @return 文件名称 */ protected abstract String getFile(String href); protected List<File> downloadPaper(List<String> hrefs){ final List<File> files = new ArrayList<>(); List<Thread> ts = new ArrayList<>(); LOG.info("报纸有"+hrefs.size()+"个版面需要下载:"); for(final String href : hrefs){ Thread t = new Thread(new Runnable(){ @Override public void run() { File file = downloadPaper(href); if(file != null){ files.add(file); } } }); t.start(); ts.add(t); } for(Thread t : ts){ try { t.join(); } catch (InterruptedException ex) { LOG.error("下载报纸出错:",ex); } } return files; } protected File downloadPaper(String href){ try{ LOG.info("下载报纸:"+href); String path = getPath(href); LOG.debug("报纸保存目录:"+path); String file = getFile(href); LOG.debug("报纸保存文件:"+file); File dir = new File(path); if(!dir.exists()){ LOG.debug("创建目录:"+dir.getAbsolutePath()); dir.mkdirs(); } File absoluteFile = new File(path, file); LOG.debug("报纸保存绝对路径:"+absoluteFile.getAbsolutePath()); Tools.copyFile(new URL(href).openStream(), absoluteFile); LOG.info("报纸下载成功:"+href); LOG.info("报纸成功保存到:"+absoluteFile.getAbsolutePath()); return absoluteFile; }catch(IOException e){ LOG.error("报纸下载失败:"+e); } return null; } protected void run() { //今天 List<File> files = collect(); int i = 1; for(File file : files){ LOG.info((i++)+" : " + file.getAbsolutePath()); } //昨天 Date date = new Date(); date.setTime(System.currentTimeMillis()-24*3600*1000); files = collect(date); i = 1; for(File file : files){ LOG.info((i++)+" : " + file.getAbsolutePath()); } //前天 date = new Date(); date.setTime(System.currentTimeMillis()-2*24*3600*1000); files = collect(date); i = 1; for(File file : files){ LOG.info((i++)+" : " + file.getAbsolutePath()); } } }
3、采集新华日报
/** * 新华日报 * @author 杨尚川 */ public class XHRBPaperCollector extends AbstractPaperCollector{ private static final String paperName = "新华日报"; private static final String paperPath = "http://xh.xhby.net/newxh/"; private static final String url = paperPath+"html/"; private static final String hrefPrefix = paperPath+"page/1/"; private static final String start = "node_2.htm"; private static final String pdfCssQuery = "html body table tbody tr td table tbody tr td table tbody tr td table tbody tr td div table tbody tr td a"; private static final SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM/dd/"); @Override public List<File> collect(Date date) { List<String> hrefs = new ArrayList<>(); try { LOG.debug("url: "+url); String paper = url + sf.format(date) + start; LOG.debug("paper: "+paper); Document document = Jsoup.connect(paper).get(); LOG.debug("pdfCssQuery: " + pdfCssQuery); Elements elements = document.select(pdfCssQuery); for(Element element : elements){ String href = element.attr("href"); if(href != null && href.endsWith(".pdf")){ LOG.debug("报纸链接:"+href); href = href.replace("../../../", ""); LOG.debug("报纸链接:"+href); hrefs.add(paperPath+href); }else{ LOG.debug("不是报纸链接:"+href); } } } catch (IOException ex) { LOG.error("采集出错",ex); } return downloadPaper(hrefs); } @Override protected String getPath(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); attrs = attrs[0].split("-"); StringBuilder str = new StringBuilder(); str.append(paperName) .append(File.separator) .append(attrs[0]) .append("-") .append(attrs[1]) .append(File.separator) .append(attrs[2]); return str.toString(); } @Override protected String getFile(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); String file = attrs[1]+".pdf"; return file; } public static void main(String[] args) { new XHRBPaperCollector().run(); } }
4、采集楚天都市报
/** * 楚天都市报 * @author 杨尚川 */ public class CTDSBPaperCollector extends AbstractPaperCollector{ private static final String paperName = "楚天都市报"; private static final String host = "http://ctdsb.cnhubei.com/"; private static final String paperPath = host+"ctdsb/"; private static final String url = host+"html/ctdsb/"; private static final String hrefPrefix = paperPath; private static final String start = "index.html"; private static final String pdfCssQuery = "html body center table tbody tr td table tbody tr td table tbody tr td table tbody tr td div table tbody tr td.info3 a"; private static final SimpleDateFormat sf = new SimpleDateFormat("yyyyMMdd/"); @Override public List<File> collect(Date date) { List<String> hrefs = new ArrayList<>(); try { LOG.debug("url: "+url); String paper = url + sf.format(date) + start; LOG.debug("paper: "+paper); Document document = Jsoup.connect(paper).get(); LOG.debug("pdfCssQuery: " + pdfCssQuery); Elements elements = document.select(pdfCssQuery); int count=0; for(Element element : elements){ String text = element.text(); if(text != null && text.startsWith("第")){ LOG.debug("报纸文本:"+text); count++; }else{ LOG.debug("不是报纸文本:"+text); } } //有的版面缺失,而文件名是顺序递增的 for(int i=1; i<=count; i++){ String seq = Integer.toString(i); if(i<10){ seq="0"+seq; } hrefs.add(paperPath + sf.format(date) + "page_"+seq+".jpg"); } } catch (IOException ex) { LOG.error("采集出错",ex); } return downloadPaper(hrefs); } @Override protected String getPath(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); StringBuilder str = new StringBuilder(); str.append(paperName) .append(File.separator) .append(attrs[0].substring(0, 4)) .append("-") .append(attrs[0].substring(4, 6)) .append(File.separator) .append(attrs[0].substring(6, 8)); return str.toString(); } @Override protected String getFile(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); String file = attrs[1].split("_")[1]; return file; } public static void main(String[] args) { new CTDSBPaperCollector().run(); } }
5、采集京九晚报
/** * 京九晚报 * @author 杨尚川 */ public class JJWBPaperCollector extends AbstractPaperCollector{ private static final String paperName = "京九晚报"; private static final String paperPath = "http://epaper.cnsq.com.cn/jjwb/"; private static final String url = paperPath+"html/"; private static final String hrefPrefix = paperPath+"page/10/"; private static final String start = "node_11.htm"; private static final String pdfCssQuery = "html body table tbody tr td table tbody tr td table tbody tr td table tbody tr td div table tbody tr td a"; private static final SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM/dd/"); @Override public List<File> collect(Date date) { List<String> hrefs = new ArrayList<>(); try { LOG.debug("url: "+url); String paper = url + sf.format(date) + start; LOG.debug("paper: "+paper); Document document = Jsoup.connect(paper).get(); LOG.debug("pdfCssQuery: " + pdfCssQuery); Elements elements = document.select(pdfCssQuery); for(Element element : elements){ String href = element.attr("href"); if(href != null && href.endsWith(".pdf")){ LOG.debug("报纸链接:"+href); href = href.replace("../../../", ""); LOG.debug("报纸链接:"+href); hrefs.add(paperPath+href); }else{ LOG.debug("不是报纸链接:"+href); } } } catch (IOException ex) { LOG.error("采集出错",ex); } return downloadPaper(hrefs); } @Override protected String getPath(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); StringBuilder str = new StringBuilder(); str.append(paperName) .append(File.separator) .append(attrs[0]) .append(File.separator) .append(attrs[1]); return str.toString(); } @Override protected String getFile(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); String file = attrs[2]+".pdf"; return file; } public static void main(String[] args) { new JJWBPaperCollector().run(); } }
6、采集信息时报
/** * 信息时报 * @author 杨尚川 */ public class XXSBPaperCollector extends AbstractPaperCollector{ private static final String paperName = "信息时报"; private static final String host = "http://informationtimes.dayoo.com/"; private static final String paperPath = host+"page/1019/"; private static final String url = host+"html/"; private static final String hrefPrefix = paperPath; private static final String start = "node_1019.htm"; private static final String pdfCssQuery = "html body#content div.container div.leftcolumn div.leftcolumncontent div.pagebuttontwo div.con p.right span.dfive a"; private static final String subCssQuery = "html body#listcontent div.container div.rightcolumn div.subcbga div.listcontent div#all_article_list.list h4 span.left a"; private static final String contentCssQuery = "html body div.container div.leftcolumn div.tbga div.bbga div.cbga div.left div.pagepicture div map area"; private static final SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM/dd/"); @Override public List<File> collect(Date date) { List<String> hrefs = new ArrayList<>(); try { LOG.debug("url: "+url); String paper = url + sf.format(date) + start; LOG.debug("paper: "+paper); Document document = Jsoup.connect(paper).get(); //1、找到子报纸 LOG.debug("subCssQuery: " + subCssQuery); Elements elements = document.select(subCssQuery); for(Element element : elements){ String text = element.text(); String href = element.attr("href"); if(text != null && text.contains(":") && href != null && href.endsWith(".htm")){ String subPaperURL = url + sf.format(date) + href; LOG.debug("子报纸文本:"+text+" , "+href); LOG.debug("subPaperURL:"+subPaperURL); //2、找到内容页面 LOG.debug("contentCssQuery: " + contentCssQuery); Elements contentElements = Jsoup.connect(subPaperURL).get().select(contentCssQuery); for(Element contentElement : contentElements){ String h = contentElement.attr("href"); if(h != null && h.startsWith("content_") && h.endsWith(".htm")){ String contentURL = url + sf.format(date) + h; LOG.debug("contentURL:"+contentURL); //3、找PDF LOG.debug("pdfCssQuery: " + pdfCssQuery); Elements pdfElements = Jsoup.connect(contentURL).get().select(pdfCssQuery); for(Element pdfElement : pdfElements){ String pdf = pdfElement.attr("href"); if(pdf != null && pdf.endsWith(".pdf")){ LOG.debug("报纸链接:"+pdf); pdf = pdf.replace("../../../", ""); LOG.debug("报纸链接:"+pdf); hrefs.add(host+pdf); }else{ LOG.debug("不是报纸链接:"+pdf); } } //有多个content,选择一个即可 break; } } }else{ LOG.debug("不是子报纸文本:"+text+" , "+href); } } } catch (IOException ex) { LOG.error("采集出错",ex); } return downloadPaper(hrefs); } @Override protected String getPath(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); StringBuilder str = new StringBuilder(); str.append(paperName) .append(File.separator) .append(attrs[0]) .append(File.separator) .append(attrs[1]); return str.toString(); } @Override protected String getFile(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); String file = attrs[2]+".pdf"; return file; } public static void main(String[] args) { new XXSBPaperCollector().run(); } }
7、采集羊城晚报
/** * 羊城晚报 * @author 杨尚川 */ public class YCWBPaperCollector extends AbstractPaperCollector{ private static final String paperName = "羊城晚报"; private static final String paperPath = "http://www.ycwb.com/ePaper/ycwb/"; private static final String url = paperPath+"html/"; private static final String hrefPrefix = paperPath+"images/"; private static final String start = "node_2081.htm"; private static final String pdfCssQuery = "html body div.cbody div.areaL div.box div.conBox2 div div.xx h2 em a.px12"; private static final SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM/dd/"); @Override public List<File> collect(Date date) { List<String> hrefs = new ArrayList<>(); try { LOG.debug("url: "+url); String paper = url + sf.format(date) + start; LOG.debug("paper: "+paper); Document document = Jsoup.connect(paper).get(); LOG.debug("pdfCssQuery: " + pdfCssQuery); Elements elements = document.select(pdfCssQuery); for(Element element : elements){ String href = element.attr("href"); if(href != null && href.endsWith(".pdf")){ LOG.debug("报纸链接:"+href); href = href.replace("../../../", ""); LOG.debug("报纸链接:"+href); hrefs.add(paperPath+href); }else{ LOG.debug("不是报纸链接:"+href); } } } catch (IOException ex) { LOG.error("采集出错",ex); } return downloadPaper(hrefs); } @Override protected String getPath(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); StringBuilder str = new StringBuilder(); str.append(paperName) .append(File.separator) .append(attrs[0]) .append(File.separator) .append(attrs[1]); return str.toString(); } @Override protected String getFile(String href) { String path = href.replace(hrefPrefix, ""); String[] attrs = path.split("/"); String file = attrs[2]+".pdf"; return file; } public static void main(String[] args) { new YCWBPaperCollector().run(); } }