mirror of
https://github.com/yacy/yacy_search_server.git
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740 lines
33 KiB
Java
740 lines
33 KiB
Java
// Fulltext.java
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// (C) 2006 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2006 as part of 'plasmaCrawlLURL.java' on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.search.index;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.lang.reflect.Array;
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import java.net.MalformedURLException;
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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.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.atomic.AtomicInteger;
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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.ISO8601Formatter;
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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.document.id.MultiProtocolURL;
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import net.yacy.cora.federate.solr.connector.AbstractSolrConnector;
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import net.yacy.cora.federate.solr.connector.EmbeddedSolrConnector;
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import net.yacy.cora.federate.solr.connector.RemoteSolrConnector;
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import net.yacy.cora.federate.solr.connector.ShardSelection;
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import net.yacy.cora.federate.solr.connector.SolrConnector;
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import net.yacy.cora.federate.solr.instance.EmbeddedInstance;
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import net.yacy.cora.federate.solr.instance.InstanceMirror;
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import net.yacy.cora.federate.solr.instance.RemoteInstance;
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import net.yacy.cora.federate.solr.instance.ShardInstance;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.sorting.ReversibleScoreMap;
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import net.yacy.cora.sorting.WeakPriorityBlockingQueue;
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import net.yacy.cora.storage.ZIPReader;
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import net.yacy.cora.storage.ZIPWriter;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.document.parser.html.CharacterCoding;
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import net.yacy.kelondro.data.meta.URIMetadataNode;
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import net.yacy.kelondro.data.word.WordReferenceVars;
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import net.yacy.kelondro.util.MemoryControl;
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import net.yacy.search.Switchboard;
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import net.yacy.search.schema.CollectionConfiguration;
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import net.yacy.search.schema.CollectionSchema;
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import net.yacy.search.schema.WebgraphConfiguration;
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import net.yacy.search.schema.WebgraphSchema;
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import org.apache.solr.common.SolrDocument;
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import org.apache.solr.common.SolrException;
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import org.apache.solr.common.SolrInputDocument;
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import org.apache.solr.core.SolrInfoMBean;
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import org.apache.lucene.util.Version;
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public final class Fulltext {
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private static final String SOLR_PATH = "solr_4_10"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
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private static final String SOLR_OLD_PATH[] = new String[]{"solr_36", "solr_40", "solr_44", "solr_45", "solr_46", "solr_47", "solr_4_9"};
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// class objects
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private final File segmentPath;
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private final File archivePath;
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private Export exportthread; // will have a export thread assigned if exporter is running
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private InstanceMirror solrInstances;
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private final CollectionConfiguration collectionConfiguration;
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private final WebgraphConfiguration webgraphConfiguration;
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private boolean writeWebgraph;
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protected Fulltext(final File segmentPath, final File archivePath,
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final CollectionConfiguration collectionConfiguration, final WebgraphConfiguration webgraphConfiguration) {
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this.segmentPath = segmentPath;
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this.archivePath = archivePath;
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this.exportthread = null; // will have a export thread assigned if exporter is running
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this.solrInstances = new InstanceMirror();
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this.collectionConfiguration = collectionConfiguration;
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this.webgraphConfiguration = webgraphConfiguration;
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this.writeWebgraph = false;
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}
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public void setUseWebgraph(boolean check) {
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this.writeWebgraph = check;
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}
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public boolean useWebgraph() {
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return this.writeWebgraph;
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}
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public CollectionConfiguration getDefaultConfiguration() {
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return this.collectionConfiguration;
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}
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public WebgraphConfiguration getWebgraphConfiguration() {
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return this.webgraphConfiguration;
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}
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public boolean connectedLocalSolr() {
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return this.solrInstances.isConnectedEmbedded();
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}
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public void connectLocalSolr() throws IOException {
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File solrLocation = new File(this.segmentPath, SOLR_PATH);
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// migrate old solr to new
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for (String oldVersion: SOLR_OLD_PATH) {
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File oldLocation = new File(this.segmentPath, oldVersion);
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if (oldLocation.exists()) oldLocation.renameTo(solrLocation);
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}
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EmbeddedInstance localCollectionInstance = new EmbeddedInstance(new File(new File(Switchboard.getSwitchboard().appPath, "defaults"), "solr"), solrLocation, CollectionSchema.CORE_NAME, new String[]{CollectionSchema.CORE_NAME, WebgraphSchema.CORE_NAME});
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Version luceneVersion = localCollectionInstance.getDefaultCore().getSolrConfig().getLuceneVersion("luceneMatchVersion");
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String lvn = luceneVersion.major + "_" + luceneVersion.minor;
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ConcurrentLog.info("Fulltext", "using lucene version " + lvn);
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assert SOLR_PATH.endsWith(lvn) : "luceneVersion = " + lvn + ", solrPath = " + SOLR_PATH + ", check defaults/solr/solrconfig.xml";
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ConcurrentLog.info("Fulltext", "connected solr in " + solrLocation.toString() + ", lucene version " + lvn);
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this.solrInstances.connectEmbedded(localCollectionInstance);
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}
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public void disconnectLocalSolr() {
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this.solrInstances.disconnectEmbedded();
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}
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public boolean connectedRemoteSolr() {
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return this.solrInstances.isConnectedRemote();
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}
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public void connectRemoteSolr(final ArrayList<RemoteInstance> instances, final ShardSelection.Method shardMethod, final boolean writeEnabled) {
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this.solrInstances.connectRemote(new ShardInstance(instances, shardMethod, writeEnabled));
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}
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public void disconnectRemoteSolr() {
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this.solrInstances.disconnectRemote();
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}
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public EmbeddedSolrConnector getDefaultEmbeddedConnector() {
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return this.solrInstances.getDefaultEmbeddedConnector();
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}
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public EmbeddedSolrConnector getEmbeddedConnector(String corename) {
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return this.solrInstances.getEmbeddedConnector(corename);
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}
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public SolrConnector getConnectorForRead(String corename) {
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if (this.solrInstances.isConnectedRemote()) return this.solrInstances.getRemoteConnector(corename);
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if (this.solrInstances.isConnectedEmbedded()) return this.solrInstances.getEmbeddedConnector(corename);
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return null;
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}
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public RemoteSolrConnector getDefaultRemoteSolrConnector() {
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try {
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return this.solrInstances.getDefaultRemoteConnector(true);
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} catch (IOException e) {
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return null;
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}
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}
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public EmbeddedInstance getEmbeddedInstance() {
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synchronized (this.solrInstances) {
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if (this.solrInstances.isConnectedEmbedded()) return this.solrInstances.getEmbedded();
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return null;
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}
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}
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public SolrConnector getDefaultConnector() {
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synchronized (this.solrInstances) {
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return this.solrInstances.getDefaultMirrorConnector();
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}
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}
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public SolrConnector getWebgraphConnector() {
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if (!this.writeWebgraph) return null;
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synchronized (this.solrInstances) {
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return this.solrInstances.getGenericMirrorConnector(WebgraphSchema.CORE_NAME);
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}
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}
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public Map<String, SolrInfoMBean> getSolrInfoBeans() {
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EmbeddedSolrConnector esc = this.solrInstances.getDefaultEmbeddedConnector();
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if (esc == null) return new HashMap<String, SolrInfoMBean>();
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return esc.getSolrInfoBeans();
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}
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public int bufferSize() {
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return this.solrInstances.bufferSize();
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}
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public void clearCaches() {
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this.solrInstances.clearCaches();
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}
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public void clearLocalSolr() throws IOException {
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if (this.exportthread != null) this.exportthread.interrupt();
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synchronized (this.solrInstances) {
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EmbeddedInstance instance = this.solrInstances.getEmbedded();
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if (instance != null) {
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for (String name: instance.getCoreNames()) {
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this.solrInstances.getEmbeddedConnector(name).clear();
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}
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}
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this.commit(false);
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this.solrInstances.clearCaches();
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}
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}
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public void clearRemoteSolr() throws IOException {
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synchronized (this.solrInstances) {
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ShardInstance instance = this.solrInstances.getRemote();
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if (instance != null) {
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for (String name: instance.getCoreNames()) {
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this.solrInstances.getRemoteConnector(name).clear();
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}
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}
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this.solrInstances.clearCaches();
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}
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}
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/**
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* get the size of the default index
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* @return
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*/
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private long collectionSizeLastAccess = 0;
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private long collectionSizeLastValue = 0;
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public long collectionSize() {
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long t = System.currentTimeMillis();
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if (t - this.collectionSizeLastAccess < 1000) return this.collectionSizeLastValue;
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SolrConnector sc = getDefaultConnector();
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if (sc == null) return 0;
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long size = sc.getSize();
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this.collectionSizeLastAccess = t;
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this.collectionSizeLastValue = size;
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return size;
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}
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/**
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* get the size of the webgraph index
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* @return
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*/
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public long webgraphSize() {
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return this.writeWebgraph ? this.getWebgraphConnector().getSize() : 0;
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}
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public void close() {
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try {
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this.solrInstances.close();
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} catch (Throwable e) {}
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}
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private long lastCommit = 0;
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public void commit(boolean softCommit) {
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long t = System.currentTimeMillis();
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if (lastCommit + 10000 > t) return;
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lastCommit = t;
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getDefaultConnector().commit(softCommit);
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if (this.writeWebgraph) getWebgraphConnector().commit(softCommit);
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}
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public URIMetadataNode getMetadata(final WeakPriorityBlockingQueue.Element<WordReferenceVars> element) {
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if (element == null) return null;
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WordReferenceVars wre = element.getElement();
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if (wre == null) return null; // all time was already wasted in takeRWI to get another element
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float score = element.getWeight();
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URIMetadataNode node = getMetadata(wre.urlhash(), wre, score);
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return node;
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}
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public URIMetadataNode getMetadata(final byte[] urlHash) {
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if (urlHash == null) return null;
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return getMetadata(urlHash, null, 0.0f);
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}
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private URIMetadataNode getMetadata(final byte[] urlHash, final WordReferenceVars wre, final float score) {
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String u = ASCII.String(urlHash);
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// get the metadata from Solr
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try {
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SolrDocument doc = this.getDefaultConnector().getDocumentById(u);
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if (doc != null) {
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return new URIMetadataNode(doc, wre, score);
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}
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} catch (final IOException e) {
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ConcurrentLog.logException(e);
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}
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return null;
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}
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public void putDocument(final SolrInputDocument doc) throws IOException {
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SolrConnector connector = this.getDefaultConnector();
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if (connector == null) return;
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String id = (String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName());
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String url = (String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
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ConcurrentLog.info("Fulltext", "indexing: " + id + " " + url);
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try {
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connector.add(doc);
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} catch (final SolrException e) {
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throw new IOException(e.getMessage(), e);
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}
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if (MemoryControl.shortStatus()) clearCaches();
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}
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public void putEdges(final Collection<SolrInputDocument> edges) throws IOException {
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if (!this.useWebgraph()) return;
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if (edges == null || edges.size() == 0) return;
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try {
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this.getWebgraphConnector().add(edges);
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} catch (final SolrException e) {
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throw new IOException(e.getMessage(), e);
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}
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if (MemoryControl.shortStatus()) clearCaches();
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}
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/**
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* deprecated method to store document metadata, use Solr documents wherever possible
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*/
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public void putMetadata(final URIMetadataNode entry) throws IOException {
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byte[] idb = entry.hash();
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String id = ASCII.String(idb);
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try {
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// because node entries are richer than metadata entries we must check if they exist to prevent that they are overwritten
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long date = this.getLoadTime(id);
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if (date < entry.loaddate().getTime()) {
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putDocument(getDefaultConfiguration().metadata2solr(entry));
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}
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} catch (final SolrException e) {
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throw new IOException(e.getMessage(), e);
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}
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if (MemoryControl.shortStatus()) clearCaches();
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}
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/**
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* using a fragment of the url hash (6 bytes: bytes 6 to 11) it is possible to address all urls from a specific domain
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* here such a fragment can be used to delete all these domains at once
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* @param hosthash the hash of the host to be deleted
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* @param freshdate either NULL or a date in the past which is the limit for deletion. Only documents older than this date are deleted
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* @throws IOException
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*/
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public void deleteStaleDomainHashes(final Set<String> hosthashes, Date freshdate) {
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// delete in solr
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Date now = new Date();
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deleteDomainWithConstraint(this.getDefaultConnector(), CollectionSchema.host_id_s.getSolrFieldName(), hosthashes,
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(freshdate == null || freshdate.after(now)) ? null :
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(CollectionSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]"));
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if (this.writeWebgraph) deleteDomainWithConstraint(this.getWebgraphConnector(), WebgraphSchema.source_host_id_s.getSolrFieldName(), hosthashes,
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(freshdate == null || freshdate.after(now)) ? null :
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(WebgraphSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]"));
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}
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public void deleteStaleDomainNames(final Set<String> hostnames, Date freshdate) {
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Date now = new Date();
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deleteDomainWithConstraint(this.getDefaultConnector(), CollectionSchema.host_s.getSolrFieldName(), hostnames,
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(freshdate == null || freshdate.after(now)) ? null :
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(CollectionSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]"));
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if (this.writeWebgraph) deleteDomainWithConstraint(this.getWebgraphConnector(), WebgraphSchema.source_host_s.getSolrFieldName(), hostnames,
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(freshdate == null || freshdate.after(now)) ? null :
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(WebgraphSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]"));
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}
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/**
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* delete all documents within a domain that are registered as error document
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* @param hosthashes
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*/
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public void deleteDomainErrors(final Set<String> hosthashes) {
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deleteDomainWithConstraint(this.getDefaultConnector(), CollectionSchema.host_id_s.getSolrFieldName(), hosthashes, CollectionSchema.failreason_s.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM);
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}
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private static void deleteDomainWithConstraint(SolrConnector connector, String fieldname, final Set<String> hosthashes, String constraintQuery) {
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if (hosthashes == null || hosthashes.size() == 0) return;
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int subsetscount = 1 + (hosthashes.size() / 255); // if the list is too large, we get a "too many boolean clauses" exception
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int c = 0;
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@SuppressWarnings("unchecked")
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List<String>[] subsets = (List<String>[]) Array.newInstance(ArrayList.class, subsetscount);
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for (int i = 0; i < subsetscount; i++) subsets[i] = new ArrayList<String>();
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for (String hosthash: hosthashes) subsets[c++ % subsetscount].add(hosthash);
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for (List<String> subset: subsets) {
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try {
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StringBuilder query = new StringBuilder();
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for (String hosthash: subset) {
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if (query.length() > 0) query.append(" OR ");
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//query.append(CollectionSchema.host_id_s.getSolrFieldName()).append(":\"").append(hosthash).append(":\"");
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query.append("({!cache=false raw f=").append(fieldname).append('}').append(hosthash).append(")");
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}
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if (constraintQuery == null) connector.deleteByQuery(query.toString()); else connector.deleteByQuery("(" + query.toString() + ") AND " + constraintQuery);
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} catch (final IOException e) {
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}
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}
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}
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public void deleteOldDocuments(final long deltaToNow, final boolean loaddate) {
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Date deleteageDate = new Date(System.currentTimeMillis() - deltaToNow);
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final String collection1Query = (loaddate ? CollectionSchema.load_date_dt : CollectionSchema.last_modified).getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(deleteageDate) + "]";
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final String webgraphQuery = (loaddate ? WebgraphSchema.load_date_dt : WebgraphSchema.last_modified).getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(deleteageDate) + "]";
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try {
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this.getDefaultConnector().deleteByQuery(collection1Query);
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if (this.getWebgraphConnector() != null) this.getWebgraphConnector().deleteByQuery(webgraphQuery);
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} catch (final IOException e) {
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}
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}
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/**
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* remove a full subpath from the index
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* @param subpath the left path of the url; at least until the end of the host
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* @param freshdate either NULL or a date in the past which is the limit for deletion. Only documents older than this date are deleted
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* @param concurrently if true, then the method returnes immediately and runs concurrently
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*/
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public int remove(final String basepath, Date freshdate) {
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DigestURL uri;
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try {uri = new DigestURL(basepath);} catch (final MalformedURLException e) {return 0;}
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final String host = uri.getHost();
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final String collectionQuery = CollectionSchema.host_s.getSolrFieldName() + ":\"" + host + "\"" +
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((freshdate != null && freshdate.before(new Date())) ? (" AND " + CollectionSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]") : "");
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final AtomicInteger count = new AtomicInteger(0);
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final BlockingQueue<SolrDocument> docs = Fulltext.this.getDefaultConnector().concurrentDocumentsByQuery(collectionQuery, null, 0, 1000000, Long.MAX_VALUE, 100, 1, false, CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName());
|
|
try {
|
|
Set<String> deleteIDs = new HashSet<String>();
|
|
SolrDocument doc;
|
|
while ((doc = docs.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
|
|
String u = (String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
|
|
if (u.startsWith(basepath)) {
|
|
deleteIDs.add((String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName()));
|
|
count.incrementAndGet();
|
|
}
|
|
}
|
|
remove(deleteIDs);
|
|
if (count.get() > 0) Fulltext.this.commit(true);
|
|
} catch (final InterruptedException e) {}
|
|
return count.get();
|
|
}
|
|
|
|
/**
|
|
* remove a list of id's from the index
|
|
* @param deleteIDs a list of urlhashes; each denoting a document
|
|
* @param concurrently if true, then the method returnes immediately and runs concurrently
|
|
*/
|
|
public void remove(final Collection<String> deleteIDs) {
|
|
if (deleteIDs == null || deleteIDs.size() == 0) return;
|
|
try {
|
|
this.getDefaultConnector().deleteByIds(deleteIDs);
|
|
if (this.writeWebgraph) this.getWebgraphConnector().deleteByIds(deleteIDs);
|
|
} catch (final Throwable e) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
}
|
|
|
|
public boolean remove(final byte[] urlHash) {
|
|
if (urlHash == null) return false;
|
|
try {
|
|
String id = ASCII.String(urlHash);
|
|
this.getDefaultConnector().deleteById(id);
|
|
if (this.writeWebgraph) this.getWebgraphConnector().deleteById(id);
|
|
} catch (final Throwable e) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public DigestURL getURL(final String urlHash) throws IOException {
|
|
if (urlHash == null || this.getDefaultConnector() == null) return null;
|
|
|
|
SolrConnector.LoadTimeURL md = this.getDefaultConnector().getLoadTimeURL(urlHash);
|
|
if (md == null) return null;
|
|
return new DigestURL(md.url, ASCII.getBytes(urlHash));
|
|
}
|
|
|
|
/**
|
|
* get the load time of a resource.
|
|
* @param urlHash
|
|
* @return the time in milliseconds since epoch for the load time or -1 if the document does not exist
|
|
*/
|
|
public long getLoadTime(final String urlHash) throws IOException {
|
|
if (urlHash == null) return -1l;
|
|
SolrConnector.LoadTimeURL md = this.getDefaultConnector().getLoadTimeURL(urlHash);
|
|
if (md == null) return -1l;
|
|
return md.date;
|
|
}
|
|
|
|
public List<File> dumpFiles() {
|
|
EmbeddedInstance esc = this.solrInstances.getEmbedded();
|
|
ArrayList<File> zips = new ArrayList<File>();
|
|
if (esc == null) {
|
|
ConcurrentLog.warn("Fulltext", "HOT DUMP selected solr0 == NULL, no dump list!");
|
|
return zips;
|
|
}
|
|
if (esc.getContainerPath() == null) {
|
|
ConcurrentLog.warn("Fulltext", "HOT DUMP selected solr0.getStoragePath() == NULL, no dump list!");
|
|
return zips;
|
|
}
|
|
if (this.archivePath == null) {
|
|
ConcurrentLog.warn("Fulltext", "HOT DUMP selected esc.getStoragePath().getParentFile() == NULL, no dump list!");
|
|
return zips;
|
|
}
|
|
ConcurrentLog.info("Fulltext", "HOT DUMP dump path = " + this.archivePath.toString());
|
|
for (String p: this.archivePath.list()) {
|
|
if (p.endsWith("zip")) zips.add(new File(this.archivePath, p));
|
|
}
|
|
return zips;
|
|
}
|
|
|
|
/**
|
|
* create a dump file from the current solr directory
|
|
* @return
|
|
*/
|
|
public File dumpSolr() {
|
|
EmbeddedInstance esc = this.solrInstances.getEmbedded();
|
|
File storagePath = esc.getContainerPath();
|
|
File zipOut = new File(this.archivePath, storagePath.getName() + "_" + GenericFormatter.SHORT_DAY_FORMATTER.format() + ".zip");
|
|
synchronized (this.solrInstances) {
|
|
this.disconnectLocalSolr();
|
|
try {
|
|
ZIPWriter.zip(storagePath, zipOut);
|
|
} catch (final IOException e) {
|
|
ConcurrentLog.logException(e);
|
|
} finally {
|
|
try {
|
|
this.connectLocalSolr();
|
|
} catch (final IOException e) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
}
|
|
}
|
|
return zipOut;
|
|
}
|
|
|
|
/**
|
|
* restore a solr dump to the current solr directory
|
|
* @param solrDumpZipFile
|
|
*/
|
|
public void restoreSolr(File solrDumpZipFile) {
|
|
EmbeddedInstance esc = this.solrInstances.getEmbedded();
|
|
File storagePath = esc.getContainerPath();
|
|
synchronized (this.solrInstances) {
|
|
this.disconnectLocalSolr();
|
|
this.solrInstances.close();
|
|
try {
|
|
ZIPReader.unzip(solrDumpZipFile, storagePath);
|
|
} catch (final IOException e) {
|
|
ConcurrentLog.logException(e);
|
|
} finally {
|
|
this.solrInstances = new InstanceMirror();
|
|
try {
|
|
this.connectLocalSolr();
|
|
} catch (final IOException e) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* optimize solr (experimental to check resource management)
|
|
* @param size
|
|
*/
|
|
public void optimize(final int size) {
|
|
if (size < 1) return;
|
|
getDefaultConnector().optimize(size);
|
|
if (this.writeWebgraph) getWebgraphConnector().optimize(size);
|
|
}
|
|
|
|
/**
|
|
* reboot solr (experimental to check resource management)
|
|
*/
|
|
public void rebootSolr() {
|
|
synchronized (this.solrInstances) {
|
|
this.disconnectLocalSolr();
|
|
this.solrInstances.close();
|
|
this.solrInstances = new InstanceMirror();
|
|
try {
|
|
this.connectLocalSolr();
|
|
} catch (final IOException e) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
// export methods
|
|
public Export export(final File f, final String filter, final String query, final int format, final boolean dom) {
|
|
if ((this.exportthread != null) && (this.exportthread.isAlive())) {
|
|
ConcurrentLog.warn("LURL-EXPORT", "cannot start another export thread, already one running");
|
|
return this.exportthread;
|
|
}
|
|
this.exportthread = new Export(f, filter, query, format, dom);
|
|
this.exportthread.start();
|
|
return this.exportthread;
|
|
}
|
|
|
|
public Export export() {
|
|
return this.exportthread;
|
|
}
|
|
|
|
public class Export extends Thread {
|
|
private final File f;
|
|
private final Pattern pattern;
|
|
private int count;
|
|
private String failure, query;
|
|
private final int format;
|
|
private final boolean dom;
|
|
|
|
private Export(final File f, final String filter, final String query, final int format, boolean dom) {
|
|
// format: 0=text, 1=html, 2=rss/xml
|
|
this.f = f;
|
|
this.pattern = filter == null ? null : Pattern.compile(filter);
|
|
this.query = query == null? "*:*" : query;
|
|
this.count = 0;
|
|
this.failure = null;
|
|
this.format = format;
|
|
this.dom = dom;
|
|
//if ((dom) && (format == 2)) dom = false;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
final File parentf = this.f.getParentFile();
|
|
if (parentf != null) parentf.mkdirs();
|
|
final PrintWriter pw = new PrintWriter(new BufferedOutputStream(new FileOutputStream(this.f)));
|
|
if (this.format == 1) {
|
|
pw.println("<html><head></head><body>");
|
|
}
|
|
if (this.format == 2) {
|
|
pw.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
pw.println("<?xml-stylesheet type='text/xsl' href='/yacysearch.xsl' version='1.0'?>");
|
|
pw.println("<rss version=\"2.0\" xmlns:yacy=\"http://www.yacy.net/\" xmlns:opensearch=\"http://a9.com/-/spec/opensearch/1.1/\" xmlns:atom=\"http://www.w3.org/2005/Atom\">");
|
|
pw.println("<channel>");
|
|
pw.println("<title>YaCy Peer-to-Peer - Web-Search URL Export</title>");
|
|
pw.println("<description></description>");
|
|
pw.println("<link>http://yacy.net</link>");
|
|
}
|
|
|
|
|
|
if (this.dom) {
|
|
Map<String, ReversibleScoreMap<String>> scores = Fulltext.this.getDefaultConnector().getFacets(this.query + " AND " + CollectionSchema.httpstatus_i.getSolrFieldName() + ":200", 100000000, CollectionSchema.host_s.getSolrFieldName());
|
|
ReversibleScoreMap<String> stats = scores.get(CollectionSchema.host_s.getSolrFieldName());
|
|
for (final String host: stats) {
|
|
if (this.pattern != null && !this.pattern.matcher(host).matches()) continue;
|
|
if (this.format == 0) pw.println(host);
|
|
if (this.format == 1) pw.println("<a href=\"http://" + host + "\">" + host + "</a><br>");
|
|
this.count++;
|
|
}
|
|
} else {
|
|
BlockingQueue<SolrDocument> docs = Fulltext.this.getDefaultConnector().concurrentDocumentsByQuery(this.query + " AND " + CollectionSchema.httpstatus_i.getSolrFieldName() + ":200", null, 0, 100000000, Long.MAX_VALUE, 100, 1, true,
|
|
CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName(), CollectionSchema.title.getSolrFieldName(),
|
|
CollectionSchema.author.getSolrFieldName(), CollectionSchema.description_txt.getSolrFieldName(), CollectionSchema.size_i.getSolrFieldName(), CollectionSchema.last_modified.getSolrFieldName());
|
|
SolrDocument doc;
|
|
String url, hash, title, author, description;
|
|
Integer size;
|
|
Date date;
|
|
while ((doc = docs.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
|
|
hash = getStringFrom(doc.getFieldValue(CollectionSchema.id.getSolrFieldName()));
|
|
url = getStringFrom(doc.getFieldValue(CollectionSchema.sku.getSolrFieldName()));
|
|
title = getStringFrom(doc.getFieldValue(CollectionSchema.title.getSolrFieldName()));
|
|
author = getStringFrom(doc.getFieldValue(CollectionSchema.author.getSolrFieldName()));
|
|
description = getStringFrom(doc.getFieldValue(CollectionSchema.description_txt.getSolrFieldName()));
|
|
size = (Integer) doc.getFieldValue(CollectionSchema.size_i.getSolrFieldName());
|
|
date = (Date) doc.getFieldValue(CollectionSchema.last_modified.getSolrFieldName());
|
|
if (this.pattern != null && !this.pattern.matcher(url).matches()) continue;
|
|
if (this.format == 0) {
|
|
pw.println(url);
|
|
}
|
|
if (this.format == 1) {
|
|
if (title != null) pw.println("<a href=\"" + MultiProtocolURL.escape(url) + "\">" + CharacterCoding.unicode2xml(title, true) + "</a>");
|
|
}
|
|
if (this.format == 2) {
|
|
pw.println("<item>");
|
|
if (title != null) pw.println("<title>" + CharacterCoding.unicode2xml(title, true) + "</title>");
|
|
pw.println("<link>" + MultiProtocolURL.escape(url) + "</link>");
|
|
if (author != null && !author.isEmpty()) pw.println("<author>" + CharacterCoding.unicode2xml(author, true) + "</author>");
|
|
if (description != null && !description.isEmpty()) pw.println("<description>" + CharacterCoding.unicode2xml(description, true) + "</description>");
|
|
if (date != null) pw.println("<pubDate>" + HeaderFramework.formatRFC1123(date) + "</pubDate>");
|
|
if (size != null) pw.println("<yacy:size>" + size.intValue() + "</yacy:size>");
|
|
pw.println("<guid isPermaLink=\"false\">" + hash + "</guid>");
|
|
pw.println("</item>");
|
|
}
|
|
this.count++;
|
|
}
|
|
}
|
|
if (this.format == 1) {
|
|
pw.println("</body></html>");
|
|
}
|
|
if (this.format == 2) {
|
|
pw.println("</channel>");
|
|
pw.println("</rss>");
|
|
}
|
|
pw.close();
|
|
} catch (final IOException e) {
|
|
ConcurrentLog.logException(e);
|
|
this.failure = e.getMessage();
|
|
} catch (final Exception e) {
|
|
ConcurrentLog.logException(e);
|
|
this.failure = e.getMessage();
|
|
}
|
|
// terminate process
|
|
}
|
|
|
|
public File file() {
|
|
return this.f;
|
|
}
|
|
|
|
public String failed() {
|
|
return this.failure;
|
|
}
|
|
|
|
public int count() {
|
|
return this.count;
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private String getStringFrom(final Object o) {
|
|
if (o == null) return "";
|
|
if (o instanceof ArrayList) return ((ArrayList<String>) o).get(0);
|
|
return (String) o;
|
|
}
|
|
|
|
}
|
|
|
|
}
|