/**
* File: $HeadURL: https://hdt-java.googlecode.com/svn/trunk/hdt-java/src/org/rdfhdt/hdt/dictionary/impl/section/DictionarySectionFactory.java $
* Revision: $Rev: 194 $
* Last modified: $Date: 2013-03-04 21:30:01 +0000 (lun, 04 mar 2013) $
* Last modified by: $Author: mario.arias $
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Contacting the authors:
* Mario Arias: mario.arias@deri.org
* Javier D. Fernandez: jfergar@infor.uva.es
* Miguel A. Martinez-Prieto: migumar2@infor.uva.es
* Alejandro Andres: fuzzy.alej@gmail.com
*/
package org.rdfhdt.hdt.dictionary.impl.section;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import org.rdfhdt.hdt.dictionary.DictionarySectionPrivate;
import org.rdfhdt.hdt.listener.ProgressListener;
import org.rdfhdt.hdt.options.HDTSpecification;
import org.rdfhdt.hdt.util.io.CountInputStream;
/**
* @author mario.arias
*
*/
public class DictionarySectionFactory {
private DictionarySectionFactory() {}
public static DictionarySectionPrivate loadFrom(InputStream input, ProgressListener listener) throws IOException {
if(!input.markSupported()) {
throw new IllegalArgumentException("Need support for mark()/reset(). Please wrap the InputStream with a BufferedInputStream");
}
input.mark(64);
int dictType = input.read();
input.reset();
input.mark(64); // To allow children to reset() and try another instance.
DictionarySectionPrivate section=null;
switch(dictType) {
case PFCDictionarySection.TYPE_INDEX:
try{
// First try load using the standard PFC
section = new PFCDictionarySection(new HDTSpecification());
section.load(input, listener);
} catch (IllegalArgumentException e) {
// The PFC Could not load the file because it is too big, use PFCBig
section = new PFCDictionarySectionBig(new HDTSpecification());
section.load(input, listener);
}
return section;
default:
throw new IOException("DictionarySection implementation not available for id "+dictType);
}
}
public static DictionarySectionPrivate loadFrom(CountInputStream input, File f, ProgressListener listener) throws IOException {
input.mark(64);
int dictType = input.read();
input.reset();
input.mark(64); // To allow children to reset() and try another instance.
switch(dictType) {
case PFCDictionarySection.TYPE_INDEX:
// First try load using the standard PFC
DictionarySectionPrivate section= new PFCDictionarySectionMap(input, f);
return section;
default:
throw new IOException("DictionarySection implementation not available for id "+dictType);
}
}
}