Java tutorial
package net.semanticmetadata.lire; import junit.framework.TestCase; import java.io.File; import java.io.IOException; import java.io.FileInputStream; import java.awt.image.BufferedImage; import org.apache.lucene.index.IndexReader; import org.apache.lucene.document.Document; import org.apache.lucene.store.FSDirectory; import javax.imageio.ImageIO; /* * This file is part of Caliph & Emir. * * Caliph & Emir is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Caliph & Emir 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Caliph & Emir; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Copyright statement: * -------------------- * (c) 2002-2006 by Mathias Lux (mathias@juggle.at) * http://www.juggle.at, http://www.SemanticMetadata.net */ /** * This file is part of Caliph & Emir * Date: 03.02.2006 * Time: 00:29:56 * * @author Mathias Lux, mathias@juggle.at */ public class TestImageSearcherWeighted extends TestCase { private String[] testFiles = new String[] { "img01.JPG", "img02.JPG", "img03.JPG", "img04.JPG", "img05.JPG" }; private String testFilesPath = "../Lire/src/test/resources/images/"; private String indexPath = "test-index-extensive"; private int numsearches = 5; public void testSearch() throws IOException { IndexReader reader = IndexReader.open(FSDirectory.open(new File(indexPath))); int numDocs = reader.numDocs(); System.out.println("numDocs = " + numDocs); ImageSearcher searcher1 = ImageSearcherFactory.createWeightedSearcher(10, 0.2f, 0.8f, 1.0f); ImageSearcher searcher2 = ImageSearcherFactory.createWeightedSearcher(10, 0.8f, 0.0f, 1.0f); ImageSearcher searcher3 = ImageSearcherFactory.createWeightedSearcher(10, 0.0f, 1.0f, 0.0f); FileInputStream imageStream = new FileInputStream(testFilesPath + testFiles[0]); BufferedImage bimg = ImageIO.read(imageStream); ImageSearchHits hits = null; hits = searcher1.search(bimg, reader); for (int i = 0; i < 5; i++) { System.out.println(hits.score(i) + ": " + hits.doc(i).getField(DocumentBuilder.FIELD_NAME_IDENTIFIER).stringValue()); } System.out.println("-"); hits = searcher2.search(bimg, reader); for (int i = 0; i < 5; i++) { System.out.println(hits.score(i) + ": " + hits.doc(i).getField(DocumentBuilder.FIELD_NAME_IDENTIFIER).stringValue()); } System.out.println("-"); hits = searcher3.search(bimg, reader); for (int i = 0; i < 5; i++) { System.out.println(hits.score(i) + ": " + hits.doc(i).getField(DocumentBuilder.FIELD_NAME_IDENTIFIER).stringValue()); } } }