?? fileuploadparserfactory.java
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/*
* $Header: /cvsroot/mvnforum/myvietnam/src/net/myvietnam/mvncore/web/FileUploadParserFactory.java,v 1.2 2006/04/14 16:03:56 minhnn Exp $
* $Author: minhnn $
* $Revision: 1.2 $
* $Date: 2006/04/14 16:03:56 $
*
* ====================================================================
*
* Copyright (C) 2002-2006 by MyVietnam.net
*
* All copyright notices regarding MyVietnam and MyVietnam CoreLib
* MUST remain intact in the scripts and source code.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Correspondence and Marketing Questions can be sent to:
* info at MyVietnam net
*
* @author: Minh Nguyen
*/
package net.myvietnam.mvncore.web;
import net.myvietnam.mvncore.MVNCoreConfig;
import net.myvietnam.mvncore.web.impl.FileUploadParserServletImpl;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class FileUploadParserFactory {
private static Log log = LogFactory.getLog(FileUploadParserFactory.class);
private static FileUploadParser uploadParser = null;
/**
* Private constructor to prevent instantiation
*/
private FileUploadParserFactory() {
}
public static FileUploadParser getFileUploadParser() {
if (uploadParser == null) {
String uploadParserClassName = MVNCoreConfig.getUploadParserClassName();
try {
if (uploadParserClassName.length() > 0) {
Class urlResolverClass = Class.forName(uploadParserClassName);
uploadParser = (FileUploadParser) urlResolverClass.newInstance();
}
} catch (Throwable ex) {
log.error("Cannot load FileUploadParser implementation (" + uploadParserClassName + ")", ex);
}
// fallback, now use the default implementation
if (uploadParser == null) {
uploadParser = new FileUploadParserServletImpl();
}
log.info("Using FileUploadParser = " + uploadParser);
}
return uploadParser;
}
}
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