filehandler.java

Abstract The Lucene Server project is an attempt to extend the Jakarta Lucene tool with server ca

package org.apache.lucene.server;
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache Lucene" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache Lucene", nor may "Apache" appear in their name, without
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 *
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

import org.apache.lucene.server.exceptions.InvalidFileHandlerClassException;
import org.apache.lucene.server.exceptions.InvalidFileTypePatternException;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;


/**
 * @author Administrateur
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
class FileHandler 
{
	private String FileType;
	private Pattern FileTypePattern;
	private FileHandlerInterface FileHandlerClass; 
	
	public FileHandler(Element E) throws InvalidFileHandlerClassException,InvalidFileTypePatternException 
	{
		NodeList nl = E.getElementsByTagName("FileType");
		Element elt =  (Element)nl.item(0);
		FileType = elt.getFirstChild().getNodeValue();
		
		try 
		{
			FileTypePattern = Pattern.compile(FileType);
		} 
		catch (PatternSyntaxException e) 
		{
			throw new InvalidFileTypePatternException(FileType,e);
		}
		
		nl = E.getElementsByTagName("FileHandlerClass");
		elt =  (Element)nl.item(0);
		String fhc = elt.getFirstChild().getNodeValue();
		
		try
		{
			FileHandlerClass = (FileHandlerInterface)Class.forName(fhc).newInstance();
		}
		catch (Exception e)
		{
			throw new InvalidFileHandlerClassException(fhc);
		}
				
	}
	
	/**
	 * 
	 * @author rcocula
	 *
	 * TODO To change the template for this generated type comment go to
	 * Window - Preferences - Java - Code Generation - Code and Comments
	 */
	
	public org.apache.lucene.document.Document[] toDocuments(XFile f) throws Exception
	{
		return FileHandlerClass.toDocuments(f);
	}
	
	/**
	 * 
	 * @author rcocula
	 *
	 * TODO To change the template for this generated type comment go to
	 * Window - Preferences - Java - Code Generation - Code and Comments
	 */
	
	public boolean Match(XFile f)
	{
		Matcher M = FileTypePattern.matcher(f.getName());
		return M.matches();
	}
}