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578 lines
23 KiB
578 lines
23 KiB
/**
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* URIMetadataNode
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* Copyright 2012 by Michael Peter Christen
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* First released 10.8.2012 at http://yacy.net
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*
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* This file is part of YaCy Content Integration
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.kelondro.data.meta;
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import java.net.MalformedURLException;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Properties;
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import java.util.regex.Pattern;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.date.MicroDate;
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import net.yacy.cora.document.analysis.Classification;
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import net.yacy.cora.document.analysis.Classification.ContentDomain;
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import net.yacy.cora.document.encoding.ASCII;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.federate.solr.SolrType;
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import net.yacy.cora.lod.vocabulary.Tagging;
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import net.yacy.cora.order.Base64Order;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.crawler.retrieval.Response;
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import net.yacy.document.Condenser;
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import net.yacy.kelondro.data.word.WordReferenceRow;
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import net.yacy.kelondro.data.word.WordReferenceVars;
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import net.yacy.kelondro.util.Bitfield;
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import net.yacy.kelondro.util.MapTools;
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import net.yacy.kelondro.util.kelondroException;
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import net.yacy.search.query.QueryParams;
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import net.yacy.search.schema.CollectionSchema;
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import net.yacy.utils.crypt;
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import org.apache.solr.common.SolrDocument;
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/**
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* This is the URIMetadata object implementation for Solr documents.
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* The purpose of this object is the migration from the old metadata structure to solr document.
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* Future implementations should try to replace URIMetadata objects completely by SolrDocument objects
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*/
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public class URIMetadataNode extends SolrDocument {
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private static final long serialVersionUID = -256046934741561968L;
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protected byte[] hash = null;
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protected String urlRaw = null, keywords = null;
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protected DigestURL url = null;
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protected Bitfield flags = null;
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protected int imagec = -1, audioc = -1, videoc = -1, appc = -1;
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protected double lat = Double.NaN, lon = Double.NaN;
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protected float score = 0; // during generation of a search result this value is set
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protected String snippet = null;
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protected WordReferenceVars word = null; // this is only used if the url is transported via remote search requests
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public URIMetadataNode(final Properties prop) {
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// generates an plasmaLURLEntry using the properties from the argument
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// the property names must correspond to the one from toString
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//System.out.println("DEBUG-ENTRY: prop=" + prop.toString());
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super();
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urlRaw = crypt.simpleDecode(prop.getProperty("url", ""));
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try {
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url = new DigestURL(urlRaw);
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this.hash = url.hash();
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} catch (final MalformedURLException e) {
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ConcurrentLog.logException(e);
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this.url = null;
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this.hash = null;
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}
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String descr = crypt.simpleDecode(prop.getProperty("descr", "")); if (descr == null) descr = "";
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String dc_creator = crypt.simpleDecode(prop.getProperty("author", "")); if (dc_creator == null) dc_creator = "";
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String tags = crypt.simpleDecode(prop.getProperty("tags", "")); if (tags == null) tags = "";
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this.keywords = Tagging.cleanTagFromAutotagging(tags);
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String dc_publisher = crypt.simpleDecode(prop.getProperty("publisher", "")); if (dc_publisher == null) dc_publisher = "";
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String lons = crypt.simpleDecode(prop.getProperty("lon"));
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String lats = crypt.simpleDecode(prop.getProperty("lat"));
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this.setField(CollectionSchema.title.name(), descr);
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this.setField(CollectionSchema.author.name(), dc_creator);
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this.setField(CollectionSchema.publisher_t.name(), dc_publisher);
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this.lon = (lons == null) ? 0.0d : Double.parseDouble(lons);
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this.lat = (lats == null) ? 0.0d : Double.parseDouble(lats);
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// create new formatters to make concurrency possible
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final GenericFormatter formatter = new GenericFormatter(GenericFormatter.FORMAT_SHORT_DAY, GenericFormatter.time_minute);
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try {
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this.setField(CollectionSchema.last_modified.name(), formatter.parse(prop.getProperty("mod", "20000101")));
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} catch (final ParseException e) {
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this.setField(CollectionSchema.last_modified.name(), new Date());
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}
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try {
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this.setField(CollectionSchema.load_date_dt.name(), formatter.parse(prop.getProperty("load", "20000101")));
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} catch (final ParseException e) {
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this.setField(CollectionSchema.load_date_dt.name(), new Date());
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}
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try {
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this.setField(CollectionSchema.fresh_date_dt.name(), formatter.parse(prop.getProperty("fresh", "20000101")));
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} catch (final ParseException e) {
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this.setField(CollectionSchema.fresh_date_dt.name(), new Date());
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}
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this.setField(CollectionSchema.referrer_id_s.name(), prop.getProperty("referrer", ""));
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this.setField(CollectionSchema.md5_s.name(), prop.getProperty("md5", ""));
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this.setField(CollectionSchema.size_i.name(), Integer.parseInt(prop.getProperty("size", "0")));
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this.setField(CollectionSchema.wordcount_i.name(), Integer.parseInt(prop.getProperty("wc", "0")));
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final String dt = prop.getProperty("dt", "t");
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String[] mime = Response.doctype2mime(null,dt.charAt(0));
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this.setField(CollectionSchema.content_type.name(), mime);
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final String flagsp = prop.getProperty("flags", "AAAAAA");
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this.flags = (flagsp.length() > 6) ? QueryParams.empty_constraint : (new Bitfield(4, flagsp));
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this.setField(CollectionSchema.language_s.name(), prop.getProperty("lang", ""));
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this.setField(CollectionSchema.inboundlinkscount_i.name(), Integer.parseInt(prop.getProperty("llocal", "0")));
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this.setField(CollectionSchema.outboundlinkscount_i.name(), Integer.parseInt(prop.getProperty("lother", "0")));
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this.imagec = Integer.parseInt(prop.getProperty("limage", "0"));
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this.audioc = Integer.parseInt(prop.getProperty("laudio", "0"));
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this.videoc = Integer.parseInt(prop.getProperty("lvideo", "0"));
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this.appc = Integer.parseInt(prop.getProperty("lapp", "0"));
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this.snippet = crypt.simpleDecode(prop.getProperty("snippet", ""));
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this.score = Float.parseFloat(prop.getProperty("score", "0.0"));
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this.word = null;
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if (prop.containsKey("wi")) {
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this.word = new WordReferenceVars(new WordReferenceRow(Base64Order.enhancedCoder.decodeString(prop.getProperty("wi", ""))), false);
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}
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}
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public URIMetadataNode(final SolrDocument doc) {
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super();
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for (String name : doc.getFieldNames()) {
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this.addField(name, doc.getFieldValue(name));
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}
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this.snippet = "";
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Float scorex = (Float) doc.getFieldValue("score"); // this is a special field containing the ranking score of a search result
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this.score = scorex == null ? 0.0f : scorex.floatValue();
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this.hash = ASCII.getBytes(getString(CollectionSchema.id));
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this.urlRaw = getString(CollectionSchema.sku);
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try {
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this.url = new DigestURL(this.urlRaw, this.hash);
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} catch (final MalformedURLException e) {
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ConcurrentLog.logException(e);
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this.url = null;
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}
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}
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public URIMetadataNode(final SolrDocument doc, final WordReferenceVars searchedWord, final float scorex) {
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this(doc);
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this.word = searchedWord;
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this.score = scorex;
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}
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/**
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* Get the content domain of a document. This tries to get the content domain from the mime type
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* and if this fails it uses alternatively the content domain from the file extension.
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* @return the content domain which classifies the content type
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*/
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public ContentDomain getContentDomain() {
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String mime = mime();
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if (mime == null) return this.url.getContentDomainFromExt();
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ContentDomain contentDomain = Classification.getContentDomainFromMime(mime);
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if (contentDomain != ContentDomain.ALL) return contentDomain;
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return this.url.getContentDomainFromExt();
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}
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public byte[] hash() {
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return this.hash;
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}
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public String hosthash() {
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String hosthash = (String) this.getFieldValue(CollectionSchema.host_id_s.getSolrFieldName());
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if (hosthash == null) hosthash = ASCII.String(this.hash, 6, 6);
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return hosthash;
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}
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public Date moddate() {
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return getDate(CollectionSchema.last_modified);
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}
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public DigestURL url() {
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return this.url;
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}
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public boolean matches(Pattern matcher) {
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return matcher.matcher(this.urlRaw.toLowerCase()).matches();
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}
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public String dc_title() {
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ArrayList<String> a = getStringList(CollectionSchema.title);
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if (a == null || a.size() == 0) return "";
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return a.get(0);
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}
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public String dc_creator() {
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return getString(CollectionSchema.author);
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}
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public String dc_publisher() {
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return getString(CollectionSchema.publisher_t);
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}
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public String dc_subject() {
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if (this.keywords == null) {
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this.keywords = getString(CollectionSchema.keywords);
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}
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return this.keywords;
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}
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public double lat() {
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if (Double.isNaN(this.lat)) {
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this.lon = 0.0d;
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this.lat = 0.0d;
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String latlon = (String) this.getFieldValue(CollectionSchema.coordinate_p.getSolrFieldName());
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if (latlon != null) {
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int p = latlon.indexOf(',');
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if (p > 0) {
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// only needed if not already checked by solr coordinate
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if (latlon.charAt(0) <= '9') { // prevent alpha's
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this.lat = Double.parseDouble(latlon.substring(0, p));
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if (this.lat < -90.0d || this.lat > 90.0d) this.lat = 0.0d;
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}
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if ( (p < latlon.length()-1) && (latlon.charAt(p+1) <= '9') ) {
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this.lon=Double.parseDouble(latlon.substring(p + 1));
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if (this.lon < -180.0d || this.lon > 180.0d) this.lon = 0.0d;
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}
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}
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}
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}
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return this.lat;
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}
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public double lon() {
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if (Double.isNaN(this.lon)) lat();
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return this.lon;
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}
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public float score() {
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return this.score;
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}
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public Date loaddate() {
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return getDate(CollectionSchema.load_date_dt);
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}
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public Date freshdate() {
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return getDate(CollectionSchema.fresh_date_dt);
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}
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public String md5() {
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return getString(CollectionSchema.md5_s);
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}
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public char doctype() {
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ArrayList<String> a = getStringList(CollectionSchema.content_type);
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if (a == null || a.size() == 0) return Response.docType(url());
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return Response.docType(a.get(0));
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}
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public String mime() {
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ArrayList<String> mime = getStringList(CollectionSchema.content_type);
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return mime == null || mime.size() == 0 ? null : mime.get(0);
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}
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public String language() {
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String language = getString(CollectionSchema.language_s);
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if (language == null || language.length() == 0) return "en";
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return language;
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}
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public byte[] referrerHash() {
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String referrer = getString(CollectionSchema.referrer_id_s);
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if (referrer == null || referrer.length() == 0) return null;
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return ASCII.getBytes(referrer);
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}
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@Override
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public int size() {
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return getInt(CollectionSchema.size_i);
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}
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public Bitfield flags() {
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if (flags == null) {
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this.flags = new Bitfield();
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if (dc_subject() != null && dc_subject().indexOf("indexof") >= 0) this.flags.set(Condenser.flag_cat_indexof, true);
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ContentDomain cd = getContentDomain();
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if (lon() != 0.0d || lat() != 0.0d) this.flags.set(Condenser.flag_cat_haslocation, true);
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if (cd == ContentDomain.IMAGE || limage() > 0) this.flags.set(Condenser.flag_cat_hasimage, true);
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if (cd == ContentDomain.AUDIO || laudio() > 0) this.flags.set(Condenser.flag_cat_hasaudio, true);
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if (cd == ContentDomain.VIDEO || lvideo() > 0) this.flags.set(Condenser.flag_cat_hasvideo, true);
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if (cd == ContentDomain.APP) this.flags.set(Condenser.flag_cat_hasapp, true);
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if (lapp() > 0) this.flags.set(Condenser.flag_cat_hasapp, true);
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}
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return this.flags;
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}
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public int wordCount() {
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return getInt(CollectionSchema.wordcount_i);
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}
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public int llocal() {
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return getInt(CollectionSchema.inboundlinkscount_i);
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}
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public int lother() {
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return getInt(CollectionSchema.outboundlinkscount_i);
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}
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public int limage() {
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if (this.imagec == -1) {
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this.imagec = getInt(CollectionSchema.imagescount_i);
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}
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return this.imagec;
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}
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public int laudio() {
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if (this.audioc == -1) {
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this.audioc = getInt(CollectionSchema.audiolinkscount_i);
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}
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return this.audioc;
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}
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public int lvideo() {
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if (this.videoc == -1) {
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this.videoc = getInt(CollectionSchema.videolinkscount_i);
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}
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return this.videoc;
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}
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public int lapp() {
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if (this.appc == -1) {
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this.appc = getInt(CollectionSchema.applinkscount_i);
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}
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return this.appc;
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}
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public int virtualAge() {
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return MicroDate.microDateDays(moddate());
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}
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public int wordsintitle() {
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ArrayList<Integer> x = getIntList(CollectionSchema.title_words_val);
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if (x == null || x.size() == 0) return 0;
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return x.get(0).intValue();
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}
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public int urllength() {
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return getInt(CollectionSchema.url_chars_i);
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}
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public String snippet() {
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return this.snippet;
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}
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public String[] collections() {
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ArrayList<String> a = getStringList(CollectionSchema.collection_sxt);
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return a.toArray(new String[a.size()]);
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}
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public WordReferenceVars word() {
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return this.word;
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}
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private static List<String> indexedList2protocolList(Collection<Object> iplist, int dimension) {
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List<String> a = new ArrayList<String>(dimension);
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for (int i = 0; i < dimension; i++) a.add("http");
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if (iplist == null) return a;
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for (Object ip: iplist) a.set(Integer.parseInt(((String) ip).substring(0, 3)), ((String) ip).substring(4));
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return a;
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}
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public static Iterator<String> getLinks(SolrDocument doc, boolean inbound) {
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Collection<Object> urlstub = doc.getFieldValues((inbound ? CollectionSchema.inboundlinks_urlstub_sxt : CollectionSchema.outboundlinks_urlstub_sxt).getSolrFieldName());
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Collection<String> urlprot = urlstub == null ? null : indexedList2protocolList(doc.getFieldValues((inbound ? CollectionSchema.inboundlinks_protocol_sxt : CollectionSchema.outboundlinks_protocol_sxt).getSolrFieldName()), urlstub.size());
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String u;
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LinkedHashSet<String> list = new LinkedHashSet<String>();
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if (urlprot != null && urlstub != null) {
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assert urlprot.size() == urlstub.size();
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Object[] urlprota = urlprot.toArray();
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Object[] urlstuba = urlstub.toArray();
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for (int i = 0; i < urlprota.length; i++) {
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u = ((String) urlprota[i]) + "://" + ((String) urlstuba[i]);
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int hp = u.indexOf('#');
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if (hp > 0) u = u.substring(0, hp);
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list.add(u);
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}
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}
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return list.iterator();
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}
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public static Date getDate(SolrDocument doc, final CollectionSchema key) {
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Date x = doc == null ? null : (Date) doc.getFieldValue(key.getSolrFieldName());
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Date now = new Date();
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return (x == null) ? new Date(0) : x.after(now) ? now : x;
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}
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public String getText() {
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return getString(CollectionSchema.text_t);
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}
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public ArrayList<String> getDescription() {
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return getStringList(CollectionSchema.description_txt);
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}
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public static URIMetadataNode importEntry(final String propStr) {
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if (propStr == null || propStr.isEmpty() || propStr.charAt(0) != '{' || !propStr.endsWith("}")) {
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ConcurrentLog.severe("URIMetadataNode", "importEntry: propStr is not proper: " + propStr);
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return null;
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}
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try {
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return new URIMetadataNode(MapTools.s2p(propStr.substring(1, propStr.length() - 1)));
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} catch (final kelondroException e) {
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// wrong format
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ConcurrentLog.severe("URIMetadataNode", e.getMessage());
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return null;
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}
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}
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protected StringBuilder corePropList() {
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// generate a parseable string; this is a simple property-list
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final StringBuilder s = new StringBuilder(300);
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// create new formatters to make concurrency possible
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final GenericFormatter formatter = new GenericFormatter(GenericFormatter.FORMAT_SHORT_DAY, GenericFormatter.time_minute);
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try {
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s.append("hash=").append(ASCII.String(this.hash()));
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s.append(",url=").append(crypt.simpleEncode(this.url().toNormalform(true)));
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s.append(",descr=").append(crypt.simpleEncode(this.dc_title()));
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s.append(",author=").append(crypt.simpleEncode(this.dc_creator()));
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s.append(",tags=").append(crypt.simpleEncode(Tagging.cleanTagFromAutotagging(this.dc_subject())));
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s.append(",publisher=").append(crypt.simpleEncode(this.dc_publisher()));
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s.append(",lat=").append(this.lat());
|
|
s.append(",lon=").append(this.lon());
|
|
s.append(",mod=").append(formatter.format(this.moddate()));
|
|
s.append(",load=").append(formatter.format(this.loaddate()));
|
|
s.append(",fresh=").append(formatter.format(this.freshdate()));
|
|
s.append(",referrer=").append(this.referrerHash() == null ? "" : ASCII.String(this.referrerHash()));
|
|
s.append(",md5=").append(this.md5());
|
|
s.append(",size=").append(this.size());
|
|
s.append(",wc=").append(this.wordCount());
|
|
s.append(",dt=").append(this.doctype());
|
|
s.append(",flags=").append(this.flags().exportB64());
|
|
s.append(",lang=").append(this.language());
|
|
s.append(",llocal=").append(this.llocal());
|
|
s.append(",lother=").append(this.lother());
|
|
s.append(",limage=").append(this.limage());
|
|
s.append(",laudio=").append(this.laudio());
|
|
s.append(",lvideo=").append(this.lvideo());
|
|
s.append(",lapp=").append(this.lapp());
|
|
s.append(",score=").append(Float.toString(this.score()));
|
|
if (this.word() != null) {
|
|
// append also word properties
|
|
final String wprop = this.word().toPropertyForm();
|
|
s.append(",wi=").append(Base64Order.enhancedCoder.encodeString(wprop));
|
|
}
|
|
return s;
|
|
} catch (final Throwable e) {
|
|
ConcurrentLog.logException(e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* the toString format must be completely identical to URIMetadataRow because that is used
|
|
* to transport the data over p2p connections.
|
|
*/
|
|
public String toString(String snippet) {
|
|
// add information needed for remote transport
|
|
final StringBuilder core = corePropList();
|
|
if (core == null)
|
|
return null;
|
|
|
|
core.ensureCapacity(core.length() + snippet.length() * 2);
|
|
core.insert(0, '{');
|
|
core.append(",snippet=").append(crypt.simpleEncode(snippet));
|
|
core.append('}');
|
|
|
|
return core.toString();
|
|
//return "{" + core + ",snippet=" + crypt.simpleEncode(snippet) + "}";
|
|
}
|
|
|
|
|
|
/**
|
|
* @return the object as String.<br>
|
|
* This e.g. looks like this:
|
|
* <pre>{hash=jmqfMk7Y3NKw,referrer=------------,mod=20050610,load=20051003,size=51666,wc=1392,cc=0,local=true,q=AEn,dt=h,lang=uk,url=b|aHR0cDovL3d3dy50cmFuc3BhcmVuY3kub3JnL3N1cnZleXMv,descr=b|S25vd2xlZGdlIENlbnRyZTogQ29ycnVwdGlvbiBTdXJ2ZXlzIGFuZCBJbmRpY2Vz}</pre>
|
|
*/
|
|
@Override
|
|
public String toString() {
|
|
final StringBuilder core = corePropList();
|
|
if (core == null) return null;
|
|
core.insert(0, '{');
|
|
core.append('}');
|
|
return core.toString();
|
|
}
|
|
|
|
private int getInt(CollectionSchema field) {
|
|
assert !field.isMultiValued();
|
|
assert field.getType() == SolrType.num_integer;
|
|
Object x = this.getFieldValue(field.getSolrFieldName());
|
|
if (x == null) return 0;
|
|
if (x instanceof Integer) return ((Integer) x).intValue();
|
|
if (x instanceof Long) return ((Long) x).intValue();
|
|
return 0;
|
|
}
|
|
|
|
private Date getDate(CollectionSchema field) {
|
|
assert !field.isMultiValued();
|
|
assert field.getType() == SolrType.date;
|
|
Date x = (Date) this.getFieldValue(field.getSolrFieldName());
|
|
if (x == null) return new Date(0);
|
|
Date now = new Date();
|
|
return x.after(now) ? now : x;
|
|
}
|
|
|
|
private String getString(CollectionSchema field) {
|
|
assert !field.isMultiValued();
|
|
assert field.getType() == SolrType.string || field.getType() == SolrType.text_general || field.getType() == SolrType.text_en_splitting_tight;
|
|
Object x = this.getFieldValue(field.getSolrFieldName());
|
|
if (x == null) return "";
|
|
if (x instanceof ArrayList) {
|
|
@SuppressWarnings("unchecked")
|
|
ArrayList<String> xa = (ArrayList<String>) x;
|
|
return xa.size() == 0 ? "" : xa.get(0);
|
|
}
|
|
return (String) x;
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private ArrayList<String> getStringList(CollectionSchema field) {
|
|
assert field.isMultiValued();
|
|
assert field.getType() == SolrType.string || field.getType() == SolrType.text_general;
|
|
Object r = this.getFieldValue(field.getSolrFieldName());
|
|
if (r == null) return new ArrayList<String>(0);
|
|
if (r instanceof ArrayList) {
|
|
return (ArrayList<String>) r;
|
|
}
|
|
ArrayList<String> a = new ArrayList<String>(1);
|
|
a.add((String) r);
|
|
return a;
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private ArrayList<Integer> getIntList(CollectionSchema field) {
|
|
assert field.isMultiValued();
|
|
assert field.getType() == SolrType.num_integer;
|
|
Object r = this.getFieldValue(field.getSolrFieldName());
|
|
if (r == null) return new ArrayList<Integer>(0);
|
|
if (r instanceof ArrayList) {
|
|
return (ArrayList<Integer>) r;
|
|
}
|
|
ArrayList<Integer> a = new ArrayList<Integer>(1);
|
|
a.add((Integer) r);
|
|
return a;
|
|
}
|
|
|
|
} |