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https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
added search suggestions in XML format. This also supports CORS
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7293 6c8d7289-2bf4-0310-a012-ef5d649a1542
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@ -18,7 +18,8 @@
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::
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<Url type="text/html" method="GET" template="http://#[thisaddress]#/compare_yacy.html?verify=true&resource=global&nav=all&query={searchTerms}" />
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#(/compareyacy)#
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<Url type="application/x-suggestions+json" template="http://#[thisaddress]#/suggest?query={searchTerms}"/>
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<Url type="application/x-suggestions+json" template="http://#[thisaddress]#/suggest.json?query={searchTerms}"/>
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<Url type="application/x-suggestions+xml" template="http://#[thisaddress]#/suggest.xml?query={searchTerms}"/>
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<!-- syntax according to http://www.loc.gov/standards/sru/. Set verify=true to get snippets in the search results -->
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<Developer>See http://developer.berlios.de/projects/yacy/</Developer>
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<Query role="example" searchTerms="yacy+open+source" />
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@ -20,7 +20,9 @@
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import java.util.Iterator;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.protocol.ResponseHeader;
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import de.anomic.data.DidYouMean;
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import de.anomic.search.Segment;
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@ -28,12 +30,20 @@ import de.anomic.search.Segments;
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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.server.servletProperties;
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/**
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* for json format:
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* implementation of the opensearch suggestion extension, see
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* http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.1
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* or
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* https://wiki.mozilla.org/Search_Service/Suggestions
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*
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* for xml format:
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* see Microsoft Search Suggestion Format
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* http://msdn.microsoft.com/en-us/library/cc848863%28VS.85%29.aspx
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* and
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* http://msdn.microsoft.com/en-us/library/cc848862%28v=VS.85%29.aspx
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*/
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public class suggest {
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@ -41,7 +51,11 @@ public class suggest {
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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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final servletProperties prop = new servletProperties();
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final String ext = header.get("EXT", "");
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final boolean json = ext.equals("json");
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final boolean xml = ext.equals("xml");
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// get query
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String originalquerystring = (post == null) ? "" : post.get("query", post.get("q", "")).trim();
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@ -63,17 +77,29 @@ public class suggest {
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DidYouMean didYouMean = new DidYouMean(indexSegment.termIndex(), querystring);
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Iterator<String> meanIt = didYouMean.getSuggestions(timeout, count).iterator();
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int meanCount = 0;
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int c = 0;
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String suggestion;
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StringBuilder suggestions = new StringBuilder(120);
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while (meanCount < meanMax && meanIt.hasNext()) {
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//[#[query]#,[#{suggestions}##[text]##(eol)#,::#(/eol)##{/suggestions}#]]
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while (c < meanMax && meanIt.hasNext()) {
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suggestion = meanIt.next();
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suggestions.append(',').append('"').append(suggestion).append('"');
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meanCount++;
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if (json) prop.putJSON("suggestions_" + c + "_text", suggestion);
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else if (xml) prop.putXML("suggestions_" + c + "_text", suggestion);
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else prop.putHTML("suggestions_" + c + "_text", suggestion);
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prop.put("suggestions_" + c + "_eol", 0);
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c++;
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}
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if (c > 0) prop.put("suggestions_" + (c - 1) + "_eol", 1);
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prop.put("suggestions", c);
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if (json) prop.putJSON("query", originalquerystring);
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else if (xml) prop.putXML("query", originalquerystring);
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else prop.putHTML("query", originalquerystring);
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prop.put("query", '"' + originalquerystring + '"');
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prop.put("suggestions", suggestions.length() > 0 ? suggestions.substring(1) : "");
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// Adding CORS Access header for xml output
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if (xml) {
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final ResponseHeader outgoingHeader = new ResponseHeader();
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outgoingHeader.addHeader(HeaderFramework.CORS_ALLOW_ORIGIN, "*");
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prop.setOutgoingHeader(outgoingHeader);
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}
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// return rewrite properties
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return prop;
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@ -1 +1 @@
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[#[query]#,[#[suggestions]#]]
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["#[query]#",[#{suggestions}#"#[text]#"#(eol)#,::#(/eol)##{/suggestions}#]]
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11
htroot/suggest.xml
Normal file
11
htroot/suggest.xml
Normal file
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@ -0,0 +1,11 @@
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<?xml version="1.0"?>
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<SearchSuggestion xmlns ="http://schemas.microsoft.com/Search/2008/suggestions">
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<Query>#[query]#</Query>
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<Section>
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#{suggestions}#
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<Item>
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<Text>#[text]#</Text>
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</Item>
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#{/suggestions}#
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</Section>
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</SearchSuggestion>
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