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Revision 7630

Added by Jing Tao almost 11 years ago

Move this class to the metacat-common.

View differences:

metacat-index/src/main/java/edu/ucsb/nceas/metacat/index/SolrServerFactory.java
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/**
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 *  '$RCSfile$'
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 *    Purpose: A class that gets Accession Number, check for uniqueness
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 *             and register it into db
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 *  Copyright: 2000 Regents of the University of California and the
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 *             National Center for Ecological Analysis and Synthesis
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 *    Authors: Jivka Bojilova, Matt Jones
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 *
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 *   '$Author$'
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 *     '$Date$'
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 * '$Revision$'
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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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 */
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package edu.ucsb.nceas.metacat.index;
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import java.io.File;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.solr.client.solrj.SolrServer;
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import org.apache.solr.client.solrj.embedded.EmbeddedSolrServer;
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import org.apache.solr.client.solrj.impl.CommonsHttpSolrServer;
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import org.apache.solr.core.CoreContainer;
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import org.dataone.configuration.Settings;
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/**
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 * A factory for creating SolrServer implementations based on
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 * configuration in Settings.java
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 * Options are as follows.
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 * 
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 * Embedded (default):
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 * solr.server.classname=org.apache.solr.client.solrj.embedded.EmbeddedSolrServer
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 * solr.homeDir=/path/to/solr/home
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 * 
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 * HTTP:
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 * solr.server.classname=org.apache.solr.client.solrj.impl.CommonsHttpSolrServer
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 * solr.endpoint=http://endpoint/to/solr/service
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 * 
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 * @author leinfelder + tao
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 *
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 */
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public class SolrServerFactory {
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    public static final String SOLR_HOME_PROPERTY_NAME = "solr.homeDir";
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    public static final String SOLR_CONFIG_FILE_NAME_PROPERTY_NAME = "solr.configFileName";
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    public static final String SOLR_COLLECTION_NAME_PROPERTY_NAME = "solr.collectionName";
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    public static final String SOLR_SERVER_CLASSNAME_PROPERTY_NAME = "solr.server.classname";
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    public static final String SOLR_ENPOINT_PROPERTY_NAME = "solr.endpoint";
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    private static final String EMBEDDEDSERVERCLASS = "org.apache.solr.client.solrj.embedded.EmbeddedSolrServer";
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    private static final String HTTPSERVERCLASS = "org.apache.solr.client.solrj.impl.CommonsHttpSolrServer";
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	public static Log log = LogFactory.getLog(SolrServerFactory.class);
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	private static CoreContainer coreContainer = null;
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	private static SolrServer solrServer = null;
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	public static SolrServer createSolrServer() throws Exception {
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		String className = Settings.getConfiguration().getString(SOLR_SERVER_CLASSNAME_PROPERTY_NAME);
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		if (className != null && className.equals(EMBEDDEDSERVERCLASS)) {
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		    generateEmbeddedServer();
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		} else if (className != null && className.equals(HTTPSERVERCLASS)) {
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		    String solrServerUrl = Settings.getConfiguration().getString(SOLR_ENPOINT_PROPERTY_NAME);
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		    solrServer = new CommonsHttpSolrServer(solrServerUrl);
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		} else {
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		    throw new Exception("SolrServerFactory.createSolrServer - MetacatIndex doesn't support this solr server type: "+className);
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		}
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        return solrServer;
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	}
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	private static void generateEmbeddedServer() throws Exception {
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	    String solrHomeDir = Settings.getConfiguration().getString(SOLR_HOME_PROPERTY_NAME);
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        log.info("The configured solr home from properties is " + solrHomeDir);
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        String configFileName = Settings.getConfiguration().getString(SOLR_CONFIG_FILE_NAME_PROPERTY_NAME);
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        File configFile = new File(solrHomeDir, configFileName);
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        coreContainer = new CoreContainer(solrHomeDir, configFile);
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        coreContainer.load(solrHomeDir, configFile);
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        String collectioname = Settings.getConfiguration().getString(SOLR_COLLECTION_NAME_PROPERTY_NAME);
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        solrServer = new EmbeddedSolrServer(coreContainer, collectioname);
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	}
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	public static CoreContainer getCoreContainer() {
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	    return coreContainer;
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	}
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}
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