Java tutorial
/* * ConcourseConnect * Copyright 2009 Concursive Corporation * http://www.concursive.com * * This file is part of ConcourseConnect, an open source social business * software and community platform. * * Concursive ConcourseConnect is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License as published * by the Free Software Foundation, version 3 of the License. * * Under the terms of the GNU Affero General Public License you must release the * complete source code for any application that uses any part of ConcourseConnect * (system header files and libraries used by the operating system are excluded). * These terms must be included in any work that has ConcourseConnect components. * If you are developing and distributing open source applications under the * GNU Affero General Public License, then you are free to use ConcourseConnect * under the GNU Affero General Public License. * * If you are deploying a web site in which users interact with any portion of * ConcourseConnect over a network, the complete source code changes must be made * available. For example, include a link to the source archive directly from * your web site. * * For OEMs, ISVs, SIs and VARs who distribute ConcourseConnect with their * products, and do not license and distribute their source code under the GNU * Affero General Public License, Concursive provides a flexible commercial * license. * * To anyone in doubt, we recommend the commercial license. Our commercial license * is competitively priced and will eliminate any confusion about how * ConcourseConnect can be used and distributed. * * ConcourseConnect is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more * details. * * You should have received a copy of the GNU Affero General Public License * along with ConcourseConnect. If not, see <http://www.gnu.org/licenses/>. * * Attribution Notice: ConcourseConnect is an Original Work of software created * by Concursive Corporation */ package com.concursive.connect.web.modules.contacts.dao; import com.concursive.commons.db.DatabaseUtils; import com.concursive.connect.indexer.IIndexerService; import com.concursive.connect.indexer.Indexer; import com.concursive.connect.indexer.IndexerContext; import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.Term; import java.io.IOException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; /** * Class for working with the Lucene search engine * * @author matt rajkowski * @version $Id$ * @created May 27, 2004 */ public class ContactIndexer implements Indexer { /** * Given a database and a Lucene writer, this method will add content to the * searchable index * * @param writer Description of the Parameter * @param db Description of the Parameter * @param context * @throws java.sql.SQLException Description of the Exception * @throws java.io.IOException Description of the Exception */ public void add(IIndexerService writer, Connection db, IndexerContext context) throws SQLException, IOException { int count = 0; PreparedStatement pst = db.prepareStatement( "SELECT contact_id, owner, first_name, middle_name, last_name, organization, email1, email2, email3, web_page, comments " + "FROM contacts " + "WHERE contact_id > -1 "); ResultSet rs = pst.executeQuery(); while (rs.next() && context.getEnabled()) { ++count; Contact contact = new Contact(); contact.setId(rs.getInt("contact_id")); contact.setOwner(DatabaseUtils.getInt(rs, "owner")); contact.setFirstName(rs.getString("first_name")); contact.setMiddleName(rs.getString("middle_name")); contact.setLastName(rs.getString("last_name")); contact.setOrganization(rs.getString("organization")); contact.setEmail1(rs.getString("email1")); contact.setEmail2(rs.getString("email2")); contact.setEmail3(rs.getString("email3")); contact.setWebPage(rs.getString("web_page")); contact.setComments(rs.getString("comments")); // add to index writer.indexAddItem(contact, false); } rs.close(); pst.close(); if (System.getProperty("DEBUG") != null) { System.out.println("ContactIndexer-> Finished: " + count); } } /** * Description of the Method * * @param writer Description of the Parameter * @param item Description of the Parameter * @param modified Description of the Parameter * @throws java.io.IOException Description of the Exception */ public void add(IndexWriter writer, Object item, boolean modified) throws IOException { Contact contact = (Contact) item; // add the document Document document = new Document(); document.add(new Field("type", "contact", Field.Store.YES, Field.Index.UN_TOKENIZED)); document.add( new Field("contactId", String.valueOf(contact.getId()), Field.Store.YES, Field.Index.UN_TOKENIZED)); document.add( new Field("userId", String.valueOf(contact.getOwner()), Field.Store.YES, Field.Index.UN_TOKENIZED)); document.add(new Field("title", contact.getIndexAs(), Field.Store.YES, Field.Index.TOKENIZED)); document.add(new Field("titleLower", contact.getIndexAs().toLowerCase(), Field.Store.YES, Field.Index.UN_TOKENIZED)); document.add(new Field("contents", contact.getIndexAs() + " " + contact.getComments() + " " + contact.getWebPage() + " " + contact.getEmail1() + " " + contact.getEmail1() + " " + contact.getEmail2() + " " + contact.getEmail3() + " ", Field.Store.YES, Field.Index.TOKENIZED)); if (contact.getEntered() != null) { document.add(new Field("modified", String.valueOf(contact.getEntered().getTime()), Field.Store.YES, Field.Index.UN_TOKENIZED)); } writer.addDocument(document); if (System.getProperty("DEBUG") != null && modified) { System.out.println("ContactIndexer-> Added: " + contact.getId()); } } /** * Gets the unique searchTerm attribute of the ContactIndexer class * * @param item Description of the Parameter * @return The searchTerm value */ public Term getSearchTerm(Object item) { Contact contact = (Contact) item; return new Term("contactId", String.valueOf(contact.getId())); } /** * Gets the deleteTerm attribute of the ContactIndexer class * * @param item Description of the Parameter * @return The deleteTerm value */ public Term getDeleteTerm(Object item) { Contact contact = (Contact) item; return new Term("contactId", String.valueOf(contact.getId())); } }