/* * eXist Open Source Native XML Database * Copyright (C) 2001-07 The eXist Project * http://exist-db.org * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * $Id: TextExtractor.java 12946 2010-10-17 19:36:20Z wolfgang_m $ */ package org.exist.indexing.lucene; import org.exist.dom.QName; import org.exist.util.XMLString; /** * Extract text from an XML fragment to be indexed with Lucene. * This interface provides an additional abstraction to handle whitespace * between elements or ignore certain elements. */ public interface TextExtractor { public void configure(LuceneConfig config, LuceneIndexConfig idxConfig); public int startElement(QName name); public int endElement(QName name); public int beforeCharacters(); public int characters(XMLString value); public LuceneIndexConfig getIndexConfig(); public XMLString getText(); }