From 6b63e26cbb78f86f6e6ee1e49218d31a6d0bc43f Mon Sep 17 00:00:00 2001 From: orbiter Date: Mon, 3 Apr 2006 15:36:53 +0000 Subject: [PATCH] - removed search function from index.html/java, only imput left - added media fetcher/crawler class (not ready yet) git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1992 6c8d7289-2bf4-0310-a012-ef5d649a1542 --- htroot/index.html | 106 +------ htroot/index.java | 289 +++--------------- .../anomic/plasma/plasmaParserDocument.java | 2 +- .../de/anomic/plasma/plasmaSearchEvent.java | 148 ++++----- .../de/anomic/plasma/plasmaSearchMedia.java | 184 +++++++++++ 5 files changed, 301 insertions(+), 428 deletions(-) create mode 100644 source/de/anomic/plasma/plasmaSearchMedia.java diff --git a/htroot/index.html b/htroot/index.html index 461ab374b..349370f86 100644 --- a/htroot/index.html +++ b/htroot/index.html @@ -2,26 +2,11 @@ YaCy '#[clientname]#': Search Page - #%env/templates/metas.template%# - - - - - - +#%env/templates/metas.template%# + #%env/templates/header.template%# - - -
Kaskelix - the YaCy logo
P2P WEB SEARCH

#[promoteSearchPageGreeting]#

@@ -111,85 +96,7 @@ picPlus.src = "/env/grafics/plus.gif"; -

-#(excluded)# -:: -The following words are stop-words and had been excluded from the search: #[stopwords]#.
-#(/excluded)# -#(num-results)# -























-:: -No Results. -:: -No Results. (length of search words must be at least 3 characters) -:: -

No Results. If you think this is unsatisfactory then you may consider to support the global index by running your own proxy/peer. -If everybody contributes, the results will get better.

-

Other possible reasons for no result:
-

-

If you think the information you searched should exist in the global index, -then please run your own peer and start a crawl of your wanted information to make it -available for everyone. Then stay online to support crawls from other peers. Thank you!

-:: -#[linkcount]# results from #[orderedcount]# ordered links of a total number of #[totalcount]# known. -→ Catch up more links -from 'late' peers. -#(/num-results)# -#(combine)# -:: -

Topwords (to refine search): -#{words}# -#[word]# -#{/words}# -#(/combine)# -

- - -#{results}# - -

- -bookmark -#[description]#
- -delete -#(snippet)#loading snippet ...::#[text]##(/snippet)#
- #[urlname]#
- #[date]# | YBR-#[ybr]# | Info
-

- -#{/results}# - - -

-#(resultbottomline)# -:: -The global search resulted in #[globalresults]# link contributions from other YaCy peers. -:: -You can enrich the search results by using the 'global' option: This will search also other YaCy peers -:: -You cannot get global search results because you are not connected to another YaCy peer. -To connect you must first use the proxy. -See here for an installation guide. -Alternatively, you can run the proxy in permanent online mode, which also grants global search. -To do this, press this button: -

- -
-:: -You can enrich the search results by using the 'global' option; you must also switch to online mode -(by using the proxy) to contribute to the global index. -#(/resultbottomline)# -


+







YaCy is a GPL'ed project with the target of implementing a P2P-based global search engine.
@@ -197,12 +104,5 @@ Architecture (C) by Michael Peter Christen,
#%env/templates/footer.template%# - - - \ No newline at end of file diff --git a/htroot/index.java b/htroot/index.java index edc45f381..8c4e36fb2 100644 --- a/htroot/index.java +++ b/htroot/index.java @@ -50,27 +50,17 @@ import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.util.HashMap; -import java.util.Iterator; -import java.util.TreeSet; import de.anomic.http.httpHeader; -import de.anomic.kelondro.kelondroMSetTools; -import de.anomic.kelondro.kelondroNaturalOrder; -import de.anomic.plasma.plasmaSearchRankingProfile; -import de.anomic.plasma.plasmaSearchTimingProfile; import de.anomic.plasma.plasmaSwitchboard; -import de.anomic.plasma.plasmaSearchQuery; import de.anomic.plasma.plasmaSearchPreOrder; import de.anomic.server.serverCore; import de.anomic.server.serverDate; import de.anomic.server.serverObjects; import de.anomic.server.serverSwitch; -import de.anomic.yacy.yacyCore; public class index { - public static final int MAX_TOPWORDS = 16; - public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) { final plasmaSwitchboard sb = (plasmaSwitchboard) env; @@ -79,255 +69,54 @@ public class index { final boolean indexReceiveGranted = sb.getConfig("allowReceiveIndex", "true").equals("true"); if (!indexDistributeGranted || !indexReceiveGranted) { global = false; } - // case if no values are requested final String referer = (String) header.get("Referer"); - if (post == null || env == null) { - // save referrer - // System.out.println("HEADER=" + header.toString()); - if (referer != null) { - URL url; - try { url = new URL(referer); } catch (MalformedURLException e) { url = null; } - if ((url != null) && (serverCore.isNotLocal(url))) { - final HashMap referrerprop = new HashMap(); - referrerprop.put("count", "1"); - referrerprop.put("clientip", header.get("CLIENTIP")); - referrerprop.put("useragent", header.get("User-Agent")); - referrerprop.put("date", (new serverDate()).toShortString(false)); - if (sb.facilityDB != null) try { sb.facilityDB.update("backlinks", referer, referrerprop); } catch (IOException e) {} - } + if (referer != null) { + URL url; + try { + url = new URL(referer); + } catch (MalformedURLException e) { + url = null; } - - // we create empty entries for template strings - final serverObjects prop = new serverObjects(); - prop.put("promoteSearchPageGreeting", env.getConfig("promoteSearchPageGreeting", "")); - prop.put("former", ""); - prop.put("num-results", 0); - prop.put("excluded", 0); - prop.put("combine", 0); - prop.put("resultbottomline", 0); - prop.put("count-10", 1); - prop.put("count-50", 0); - prop.put("count-100", 0); - prop.put("count-1000", 0); - prop.put("order-ybr-date-quality", plasmaSearchPreOrder.canUseYBR() ? 1 : 0); - prop.put("order-ybr-quality-date", 0); - prop.put("order-date-ybr-quality", 0); - prop.put("order-quality-ybr-date", 0); - prop.put("order-date-quality-ybr", plasmaSearchPreOrder.canUseYBR() ? 0 : 1); - prop.put("order-quality-date-ybr", 0); - prop.put("resource-global", ((global) ? 1 : 0)); - prop.put("resource-local", ((global) ? 0 : 1)); - prop.put("time-1", 0); - prop.put("time-3", 0); - prop.put("time-6", 1); - prop.put("time-10", 0); - prop.put("time-30", 0); - prop.put("time-60", 0); - prop.put("results", ""); - prop.put("urlmaskoptions", 0); - prop.put("urlmaskoptions_urlmaskfilter", ".*"); - return prop; - } - - // SEARCH - // process search words - int maxDistance = Integer.MAX_VALUE; - String querystring = post.get("search", "").trim(); - if ((querystring.length() > 2) && (querystring.charAt(0) == '"') && (querystring.charAt(querystring.length() - 1) == '"')) { - querystring = querystring.substring(1, querystring.length() - 1).trim(); - maxDistance = 1; - } - if (sb.facilityDB != null) try { sb.facilityDB.update("zeitgeist", querystring, post); } catch (Exception e) {} - final TreeSet query = plasmaSearchQuery.cleanQuery(querystring); - // filter out stopwords - final TreeSet filtered = kelondroMSetTools.joinConstructive(query, plasmaSwitchboard.stopwords); - if (filtered.size() > 0) { - kelondroMSetTools.excludeDestructive(query, plasmaSwitchboard.stopwords); - } - - // if a minus-button was hit, remove a special reference first - if (post.containsKey("deleteref")) { - if (!sb.verifyAuthentication(header, true)) { - final serverObjects prop = new serverObjects(); - prop.put("AUTHENTICATE", "admin log-in"); // force log-in - return prop; + if ((url != null) && (serverCore.isNotLocal(url))) { + final HashMap referrerprop = new HashMap(); + referrerprop.put("count", "1"); + referrerprop.put("clientip", header.get("CLIENTIP")); + referrerprop.put("useragent", header.get("User-Agent")); + referrerprop.put("date", (new serverDate()).toShortString(false)); + if (sb.facilityDB != null) try {sb.facilityDB.update("backlinks", referer, referrerprop);} catch (IOException e) {} } - final String delHash = post.get("deleteref", ""); - sb.removeReferences(delHash, query); - } - - // prepare search order - final String order = post.get("order", ""); - final int count = Integer.parseInt(post.get("count", "10")); - final long searchtime = 1000 * Long.parseLong(post.get("time", "10")); - final boolean yacyonline = ((yacyCore.seedDB != null) && - (yacyCore.seedDB.mySeed != null) && - (yacyCore.seedDB.mySeed.getAddress() != null)); - - String order1=plasmaSearchRankingProfile.ORDER_DATE; - String order2=plasmaSearchRankingProfile.ORDER_YBR; - String order3=plasmaSearchRankingProfile.ORDER_QUALITY; - if (order.startsWith("YBR")) order1 = plasmaSearchRankingProfile.ORDER_YBR; - if (order.startsWith("Date")) order1 = plasmaSearchRankingProfile.ORDER_DATE; - if (order.startsWith("Quality")) order1 = plasmaSearchRankingProfile.ORDER_QUALITY; - if (order.indexOf("-YBR-") > 0) order2 = plasmaSearchRankingProfile.ORDER_YBR; - if (order.indexOf("-Date-") > 0) order2 = plasmaSearchRankingProfile.ORDER_DATE; - if (order.indexOf("-Quality-") > 0) order2 = plasmaSearchRankingProfile.ORDER_QUALITY; - if (order.endsWith("YBR")) order3 = plasmaSearchRankingProfile.ORDER_YBR; - if (order.endsWith("Date")) order3 = plasmaSearchRankingProfile.ORDER_DATE; - if (order.endsWith("Quality")) order3 = plasmaSearchRankingProfile.ORDER_QUALITY; - String urlmask = ""; - if (post.containsKey("urlmask") && post.get("urlmask").equals("no")) { - urlmask = ".*"; - } else { - urlmask = (post.containsKey("urlmaskfilter")) ? (String) post.get("urlmaskfilter") : ".*"; } - // do the search - plasmaSearchQuery thisSearch = new plasmaSearchQuery(query, maxDistance, count, searchtime, urlmask, - ((global) && (yacyonline) && (!(env.getConfig("last-search","").equals(querystring)))) ? plasmaSearchQuery.SEARCHDOM_GLOBALDHT : plasmaSearchQuery.SEARCHDOM_LOCAL, - "", 20); - plasmaSearchRankingProfile ranking = new plasmaSearchRankingProfile(new String[]{order1, order2, order3}); - plasmaSearchTimingProfile localTiming = new plasmaSearchTimingProfile(4 * thisSearch.maximumTime / 10, thisSearch.wantedResults); - plasmaSearchTimingProfile remoteTiming = new plasmaSearchTimingProfile(6 * thisSearch.maximumTime / 10, thisSearch.wantedResults); - final serverObjects prop = sb.searchFromLocal(thisSearch, ranking, localTiming, remoteTiming); - - /* - final serverObjects prop = sb.searchFromLocal(query, order1, order2, count, - ((global) && (yacyonline) && (!(env.getConfig("last-search","").equals(querystring)))), - searchtime, urlmask); - */ - // remember the last search expression - env.setConfig("last-search", querystring); - // process result of search + // we create empty entries for template strings + final serverObjects prop = new serverObjects(); + prop.put("promoteSearchPageGreeting", env.getConfig("promoteSearchPageGreeting", "")); + prop.put("former", ""); + prop.put("num-results", 0); + prop.put("excluded", 0); + prop.put("combine", 0); prop.put("resultbottomline", 0); - if (filtered.size() > 0){ - prop.put("excluded", 1); - prop.put("excluded_stopwords", filtered.toString()); - } else { - prop.put("excluded", 0); - } - - if (prop == null || prop.size() == 0) { - if (post.get("search", "").length() < 3) { - prop.put("num-results", 2); // no results - at least 3 chars - } else { - prop.put("num-results", 1); //no results - } - } else { - final int linkcount = Integer.parseInt(prop.get("linkcount", "0")); - final int orderedcount = Integer.parseInt(prop.get("orderedcount", "0")); - final int totalcount = Integer.parseInt(prop.get("totalcount", "0")); - if (totalcount > 10) { - final Object[] references = (Object[]) prop.get("references", new String[0]); - prop.put("num-results", 4); - prop.put("num-results_linkcount", linkcount); - prop.put("num-results_orderedcount", orderedcount); - prop.put("num-results_totalcount", totalcount); - int hintcount = references.length; - if (hintcount > 0) { - - prop.put("combine", 1); - - final TreeSet topwords = new TreeSet(kelondroNaturalOrder.naturalOrder); - for (int i = 0; i < hintcount; i++) { - topwords.add(references[i]); - } - - // filter out the badwords - final TreeSet filteredtopwords = kelondroMSetTools.joinConstructive(topwords, plasmaSwitchboard.badwords); - if (filteredtopwords.size() > 0) { - kelondroMSetTools.excludeDestructive(topwords, plasmaSwitchboard.badwords); - } - - String word; - hintcount = 0; - final Iterator iter = topwords.iterator(); - while (iter.hasNext()) { - word = (String) iter.next(); - if (word != null) { - prop.put("combine_words_" + hintcount + "_word", word); - prop.put("combine_words_" + hintcount + "_newsearch", post.get("search", "").replace(' ', '+') + "+" + word); - prop.put("combine_words_" + hintcount + "_count", count); - prop.put("combine_words_" + hintcount + "_order", order); - prop.put("combine_words_" + hintcount + "_resource", ((global) ? "global" : "local")); - prop.put("combine_words_" + hintcount + "_time", (searchtime / 1000)); - } - prop.put("combine_words", hintcount); - if (hintcount++ > MAX_TOPWORDS) { break; } - } - } - } else { - if (totalcount == 0) { - prop.put("num-results", 3);//long - } else { - prop.put("num-results", 4); - prop.put("num-results_linkcount", linkcount); - prop.put("num-results_orderedcount", orderedcount); - prop.put("num-results_totalcount", totalcount); - } - } - } - - if (urlmask.equals(".*")) { - prop.put("urlmaskoptions", 0); - } else { - prop.put("urlmaskoptions", 1); - } - - prop.put("urlmaskoptions_urlmaskfilter", urlmask); - - if (yacyonline) { - if (global) { - prop.put("resultbottomline", 1); - prop.put("resultbottomline_globalresults", prop.get("globalresults", "0")); - } else { - prop.put("resultbottomline", 2); - } - } else { - if (global) { - prop.put("resultbottomlien", 3); - } else { - prop.put("resultbottomline", 4); - } - } - - prop.put("count-10", ((count == 10)) ? 1 : 0); - prop.put("count-50", ((count == 50)) ? 1 : 0); - prop.put("count-100", ((count == 100)) ? 1 : 0); - prop.put("count-1000", ((count == 1000)) ? 1 : 0); - prop.put("order-ybr-date-quality", ((order.equals("YBR-Date-Quality")) ? 1 : 0)); - prop.put("order-ybr-quality-date", ((order.equals("YBR-Quality-Date")) ? 1 : 0)); - prop.put("order-date-ybr-quality", ((order.equals("Date-YBR-Quality")) ? 1 : 0)); - prop.put("order-quality-ybr-date", ((order.equals("Quality-YBR-Date")) ? 1 : 0)); - prop.put("order-date-quality-ybr", ((order.equals("Date-Quality-YBR")) ? 1 : 0)); - prop.put("order-quality-date-ybr", ((order.equals("Quality-Date-YBR")) ? 1 : 0)); + prop.put("count-10", 1); + prop.put("count-50", 0); + prop.put("count-100", 0); + prop.put("count-1000", 0); + prop.put("order-ybr-date-quality", plasmaSearchPreOrder.canUseYBR() ? 1 : 0); + prop.put("order-ybr-quality-date", 0); + prop.put("order-date-ybr-quality", 0); + prop.put("order-quality-ybr-date", 0); + prop.put("order-date-quality-ybr", plasmaSearchPreOrder.canUseYBR() ? 0 : 1); + prop.put("order-quality-date-ybr", 0); prop.put("resource-global", ((global) ? 1 : 0)); prop.put("resource-local", ((global) ? 0 : 1)); - prop.put("time-1", ((searchtime == 1000) ? 1 : 0)); - prop.put("time-3", ((searchtime == 3000) ? 1 : 0)); - prop.put("time-6", ((searchtime == 6000) ? 1 : 0)); - prop.put("time-10", ((searchtime == 10000) ? 1 : 0)); - prop.put("time-30", ((searchtime == 30000) ? 1 : 0)); - prop.put("time-60", ((searchtime == 60000) ? 1 : 0)); - prop.put("former", post.get("search", "")); - - // 'enrich search' variables - prop.put("num-results_former", post.get("search", "")); - prop.put("num-results_time", searchtime / 1000); - prop.put("num-results_count", count); - prop.put("num-results_resource", (global) ? "global" : "local"); - prop.put("num-results_order", order); - - // return rewrite properties - prop.put("promoteSearchPageGreeting", env.getConfig("promoteSearchPageGreeting", "")); - - // adding some additional properties needed for the rss feed - String hostName = (String) header.get("Host","localhost"); - if (hostName.indexOf(":") == -1) hostName += ":" + serverCore.getPortNr(env.getConfig("port","8080")); - prop.put("rssYacyImageURL","http://" + hostName + "/env/grafics/yacy.gif"); - + prop.put("time-1", 0); + prop.put("time-3", 0); + prop.put("time-6", 1); + prop.put("time-10", 0); + prop.put("time-30", 0); + prop.put("time-60", 0); + prop.put("results", ""); + prop.put("urlmaskoptions", 0); + prop.put("urlmaskoptions_urlmaskfilter", ".*"); return prop; } diff --git a/source/de/anomic/plasma/plasmaParserDocument.java b/source/de/anomic/plasma/plasmaParserDocument.java index f43ff1c49..4416d0dc5 100644 --- a/source/de/anomic/plasma/plasmaParserDocument.java +++ b/source/de/anomic/plasma/plasmaParserDocument.java @@ -144,7 +144,7 @@ public class plasmaParserDocument { } public Map getImages() { - // returns all links enbedded as pictures (visible iin document) + // returns all links enbedded as pictures (visible in document) return images; } diff --git a/source/de/anomic/plasma/plasmaSearchEvent.java b/source/de/anomic/plasma/plasmaSearchEvent.java index fd373d224..54f00179f 100644 --- a/source/de/anomic/plasma/plasmaSearchEvent.java +++ b/source/de/anomic/plasma/plasmaSearchEvent.java @@ -106,89 +106,89 @@ public final class plasmaSearchEvent extends Thread implements Runnable { public plasmaSearchResult search() { // combine all threads - if (query.domType == plasmaSearchQuery.SEARCHDOM_GLOBALDHT) { - int fetchpeers = (int) (query.maximumTime / 500L); // number of target peers; means 10 peers in 10 seconds - if (fetchpeers > 50) fetchpeers = 50; - if (fetchpeers < 30) fetchpeers = 30; - - // remember time - long start = System.currentTimeMillis(); - - // first trigger a local search within a separate thread - serverInstantThread.oneTimeJob(this, "localSearch", log, 0); - - // do a global search - int globalContributions = globalSearch(fetchpeers); - log.logFine("SEARCH TIME AFTER GLOBAL-TRIGGER TO " + fetchpeers + " PEERS: " + ((System.currentTimeMillis() - start) / 1000) + " seconds"); - - // combine the result and order - plasmaSearchResult result = order(); - result.globalContributions = globalContributions; - result.localContributions = rcLocal.size(); - flushGlobalResults(); // make these values available for immediate next search - - // flush results in a separate thread - this.start(); // start to flush results - //serverInstantThread.oneTimeJob(this, "flushResults", log, 0); - - // clean up - rcLocal = null; - - // return search result - log.logFine("SEARCHRESULT: " + profileLocal.reportToString()); - lastEvent = this; - return result; - } else { - localSearch(); - plasmaSearchResult result = order(); - result.localContributions = rcLocal.size(); - - // clean up - rcLocal = null; - - // return search result - log.logFine("SEARCHRESULT: " + profileLocal.reportToString()); - lastEvent = this; - return result; - } - } - - public int localSearch() { - // search for the set of hashes and return an array of urlEntry elements - // we synchronize with flushThreads to allow only one local search at a time, // so all search tasks are queued synchronized (flushThreads) { - // retrieve entities that belong to the hashes - profileLocal.startTimer(); - Set containers = wordIndex.getContainers( - query.queryHashes, - true, - true, - profileLocal.getTargetTime(plasmaSearchTimingProfile.PROCESS_COLLECTION)); - if (containers.size() < query.size()) containers = null; // prevent that only a subset is returned - profileLocal.setYieldTime(plasmaSearchTimingProfile.PROCESS_COLLECTION); - profileLocal.setYieldCount(plasmaSearchTimingProfile.PROCESS_COLLECTION, (containers == null) ? 0 : containers.size()); + if (query.domType == plasmaSearchQuery.SEARCHDOM_GLOBALDHT) { + int fetchpeers = (int) (query.maximumTime / 500L); // number of target peers; means 10 peers in 10 seconds + if (fetchpeers > 50) fetchpeers = 50; + if (fetchpeers < 30) fetchpeers = 30; + + // remember time + long start = System.currentTimeMillis(); + + // first trigger a local search within a separate thread + serverInstantThread.oneTimeJob(this, "localSearch", log, 0); - // since this is a conjunction we return an empty entity if any word - // is not known - if (containers == null) { - rcLocal = new plasmaWordIndexEntryContainer(null); - return 0; + // do a global search + int globalContributions = globalSearch(fetchpeers); + log.logFine("SEARCH TIME AFTER GLOBAL-TRIGGER TO " + fetchpeers + " PEERS: " + ((System.currentTimeMillis() - start) / 1000) + " seconds"); + + // combine the result and order + plasmaSearchResult result = order(); + result.globalContributions = globalContributions; + result.localContributions = rcLocal.size(); + flushGlobalResults(); // make these values available for immediate next search + + // flush results in a separate thread + this.start(); // start to flush results + // serverInstantThread.oneTimeJob(this, "flushResults", log, 0); + + // clean up + rcLocal = null; + + // return search result + log.logFine("SEARCHRESULT: " + profileLocal.reportToString()); + lastEvent = this; + return result; + } else { + localSearch(); + plasmaSearchResult result = order(); + result.localContributions = rcLocal.size(); + + // clean up + rcLocal = null; + + // return search result + log.logFine("SEARCHRESULT: " + profileLocal.reportToString()); + lastEvent = this; + return result; } + } + } + + public int localSearch() { + // search for the set of hashes and return an array of urlEntry elements - // join the result - profileLocal.startTimer(); - rcLocal = plasmaWordIndexEntryContainer.joinContainer( - containers, - profileLocal.getTargetTime(plasmaSearchTimingProfile.PROCESS_JOIN), - query.maxDistance); - profileLocal.setYieldTime(plasmaSearchTimingProfile.PROCESS_JOIN); - profileLocal.setYieldCount(plasmaSearchTimingProfile.PROCESS_JOIN, rcLocal.size()); + // retrieve entities that belong to the hashes + profileLocal.startTimer(); + Set containers = wordIndex.getContainers( + query.queryHashes, + true, + true, + profileLocal.getTargetTime(plasmaSearchTimingProfile.PROCESS_COLLECTION)); + if (containers.size() < query.size()) containers = null; // prevent that only a subset is returned + profileLocal.setYieldTime(plasmaSearchTimingProfile.PROCESS_COLLECTION); + profileLocal.setYieldCount(plasmaSearchTimingProfile.PROCESS_COLLECTION, (containers == null) ? 0 : containers.size()); - return rcLocal.size(); + // since this is a conjunction we return an empty entity if any word + // is not known + if (containers == null) { + rcLocal = new plasmaWordIndexEntryContainer(null); + return 0; } + + // join the result + profileLocal.startTimer(); + rcLocal = plasmaWordIndexEntryContainer.joinContainer(containers, + profileLocal.getTargetTime(plasmaSearchTimingProfile.PROCESS_JOIN), + query.maxDistance); + profileLocal.setYieldTime(plasmaSearchTimingProfile.PROCESS_JOIN); + profileLocal.setYieldCount(plasmaSearchTimingProfile.PROCESS_JOIN, rcLocal.size()); + + return rcLocal.size(); + } public int globalSearch(int fetchpeers) { diff --git a/source/de/anomic/plasma/plasmaSearchMedia.java b/source/de/anomic/plasma/plasmaSearchMedia.java new file mode 100644 index 000000000..bd1ec9283 --- /dev/null +++ b/source/de/anomic/plasma/plasmaSearchMedia.java @@ -0,0 +1,184 @@ +// plasmaSearchMedia.java +// ----------------------- +// part of YACY +// (C) by Michael Peter Christen; mc@anomic.de +// first published on http://www.anomic.de +// Frankfurt, Germany, 2006 +// Created: 03.04.2006 +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// Using this software in any meaning (reading, learning, copying, compiling, +// running) means that you agree that the Author(s) is (are) not responsible +// for cost, loss of data or any harm that may be caused directly or indirectly +// by usage of this softare or this documentation. The usage of this software +// is on your own risk. The installation and usage (starting/running) of this +// software may allow other people or application to access your computer and +// any attached devices and is highly dependent on the configuration of the +// software which must be done by the user of the software; the author(s) is +// (are) also not responsible for proper configuration and usage of the +// software, even if provoked by documentation provided together with +// the software. +// +// Any changes to this file according to the GPL as documented in the file +// gpl.txt aside this file in the shipment you received can be done to the +// lines that follows this copyright notice here, but changes must not be +// done inside the copyright notive above. A re-distribution must contain +// the intact and unchanged copyright notice. +// Contributions and changes to the program code must be marked as such. + + +package de.anomic.plasma; + +import java.net.MalformedURLException; +import java.net.URL; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Map; +import java.util.TreeSet; + +import de.anomic.htmlFilter.htmlFilterContentScraper; + +public final class plasmaSearchMedia { + + private HashSet ext; + private TreeSet media; + + public plasmaSearchMedia(plasmaSnippetCache sc, String exts, URL url, int depth) { + this(sc, extGen(exts), url, depth); + } + + public plasmaSearchMedia(plasmaSnippetCache sc, HashSet exts, URL url, int depth) { + this.ext = exts; + this.media = new TreeSet(); + byte[] res = sc.getResource(url, true); + if (res != null) { + plasmaParserDocument document = sc.parseDocument(url, res); + + // add the media links + Map ml = document.getMedialinks(); + Iterator i = ml.entrySet().iterator(); + while (i.hasNext()) { + Map.Entry e = (Map.Entry) i.next(); + String nexturlstring = htmlFilterContentScraper.urlNormalform(null, (String) e.getKey()); + int p = nexturlstring.lastIndexOf("."); + if ((p > 0) && (this.ext.contains(nexturlstring.substring(p + 1)))) { + try { + media.add(new Entry(new URL(nexturlstring), 0)); + } catch (MalformedURLException e1) {} + } + } + + // add also links from pages one step deeper, if depth > 0 + if (depth > 0) { + Map hl = document.getHyperlinks(); + i = hl.entrySet().iterator(); + while (i.hasNext()) { + Map.Entry e = (Map.Entry) i.next(); + String nexturlstring = htmlFilterContentScraper.urlNormalform(null, (String) e.getKey()); + try { + addAll(new plasmaSearchMedia(sc, ext, new URL(nexturlstring), depth - 1)); + } catch (MalformedURLException e2) {} + } + } + } + } + + public plasmaSearchMedia(plasmaSnippetCache sc, String exts, plasmaSearchResult sres) { + this(sc, extGen(exts), sres); + } + + public plasmaSearchMedia(plasmaSnippetCache sc, HashSet exts, plasmaSearchResult sres) { + this.ext = exts; + this.media = new TreeSet(); + plasmaCrawlLURL.Entry urlentry; + while (sres.hasMoreElements()) { + urlentry = sres.nextElement(); + addAll(new plasmaSearchMedia(sc, ext, urlentry.url(), 0)); + } + } + + private static HashSet extGen(String ext) { + ext.replaceAll(",", " "); + String[] exts = ext.split(" "); + HashSet s = new HashSet(exts.length); + for (int i = 0; i < exts.length; i++) s.add(exts[i]); + return s; + } + + public void addAll(plasmaSearchMedia m) { + this.media.addAll(m.media); + } + + public Iterator entries() { + // returns Entry-Objects + return media.iterator(); + } + + public class Entry { + + private URL url; + private int size, width, height; + + public Entry(URL url, int size) { + this.url = url; + this.size = size; + this.width = -1; + this.height = -1; + } + + public Entry(URL url, int width, int height) { + this.url = url; + this.size = -1; + this.width = width; + this.height = height; + } + + public URL url() { + return this.url; + } + + public int size() { + return this.size; + } + + public int width() { + return this.width; + } + + public int height() { + return this.height; + } + + public int hashCode() { + if ((width > 0) && (height > 0)) + return (((width * height) >> 8) << 16) | (url.hashCode() & 0xFFFF); + else + return ((size >> 8) << 16) | (url.hashCode() & 0xFFFF); + } + + public int compareTo(Object h) { + // this is needed if this object is stored in a TreeSet + assert (url != null); + assert (h instanceof plasmaSearchMedia.Entry); + int thc = this.hashCode(); + int ohc = ((plasmaSearchMedia.Entry) h).hashCode(); + if (thc < ohc) return -1; + if (thc > ohc) return 1; + return 0; + } + } + +}