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104 lines
4.2 KiB
104 lines
4.2 KiB
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.util.Set;
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import de.anomic.crawler.CrawlProfile;
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import de.anomic.document.parser.html.ContentScraper;
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import de.anomic.http.metadata.RequestHeader;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyURL;
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public class getpageinfo_p {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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// avoid UNRESOLVED PATTERN
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prop.put("title", "");
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prop.put("desc", "");
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prop.put("lang", "");
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prop.put("robots-allowed", "3"); //unknown
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prop.put("sitemap", "");
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prop.put("favicon","");
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// default actions
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String actions="title,robots";
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if(post!=null && post.containsKey("url")){
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if(post.containsKey("actions"))
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actions=post.get("actions");
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String url=post.get("url");
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if(url.toLowerCase().startsWith("ftp://")){
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prop.put("robots-allowed", "1");
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prop.putXML("title", "FTP: "+url);
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return prop;
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} else if (!(url.toLowerCase().startsWith("http://") || url.toLowerCase().startsWith("https://"))) {
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url = "http://" + url;
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}
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if (actions.indexOf("title")>=0) {
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yacyURL u = null;
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try {
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u = new yacyURL(url, null);
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} catch (final MalformedURLException e) {
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// fail, do nothing
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}
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ContentScraper scraper = null;
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if (u != null) try {
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scraper = ContentScraper.parseResource(sb.loader, u, CrawlProfile.CACHE_STRATEGY_IFFRESH);
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} catch (final IOException e) {
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// try again, try harder
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try {
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scraper = ContentScraper.parseResource(sb.loader, u, CrawlProfile.CACHE_STRATEGY_IFEXIST);
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} catch (final IOException ee) {
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// now thats a fail, do nothing
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}
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}
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if (scraper != null) {
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// put the document title
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prop.putXML("title", scraper.getTitle());
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// put the favicon that belongs to the document
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prop.put("favicon", (scraper.getFavicon()==null) ? "" : scraper.getFavicon().toString());
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// put keywords
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final String list[]=scraper.getKeywords();
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int count = 0;
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for(int i=0;i<list.length;i++){
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String tag = list[i];
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if (!tag.equals("")) {
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prop.putXML("tags_"+count+"_tag", tag);
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count++;
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}
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}
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prop.put("tags", count);
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// put description
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prop.putXML("desc", scraper.getDescription());
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// put language
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Set<String> languages = scraper.getContentLanguages();
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prop.putXML("lang", (languages == null) ? "unknown" : languages.iterator().next());
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}
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}
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if(actions.indexOf("robots")>=0){
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try {
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final yacyURL theURL = new yacyURL(url, null);
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// determine if crawling of the current URL is allowed
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prop.put("robots-allowed", sb.robots.isDisallowed(theURL) ? "0" : "1");
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// get the sitemap URL of the domain
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final yacyURL sitemapURL = sb.robots.getSitemapURL(theURL);
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prop.putXML("sitemap", (sitemapURL==null)?"":sitemapURL.toString());
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} catch (final MalformedURLException e) {}
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}
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}
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// return rewrite properties
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return prop;
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}
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}
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