/*
* org.openmicroscopy.shoola.util.roi.io.XMLFileIOStrategy
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2007 University of Dundee. All rights reserved.
*
*
* This program 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.
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.roi.io;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import org.openmicroscopy.shoola.util.roi.ROIComponent;
import org.openmicroscopy.shoola.util.roi.exception.NoSuchROIException;
import org.openmicroscopy.shoola.util.roi.exception.ParsingException;
import org.openmicroscopy.shoola.util.roi.exception.ROICreationException;
import org.openmicroscopy.shoola.util.roi.model.ROI;
/**
*
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* @since OME3.0
*/
public class XMLFileIOStrategy
{
/** Used to write the rois to the stream. */
private OutputStrategy outputStrategy;
/** Used to read the rois from the stream. */
private InputStrategy inputStrategy;
/** Creates a new instance. */
public XMLFileIOStrategy()
{
outputStrategy = new OutputStrategy();
inputStrategy = new InputStrategy();
}
/** Indicates to reset the identifier when loading from local file.*/
public void reset()
{
inputStrategy.reset();
}
/**
* Converts the ROIs hosted in the passed input stream.
*
* @param input
* @param component
* @throws NoSuchROIException
* @throws ParsingException
* @throws ROICreationException
* @return list of the newly loaded ROI.
*/
public List<ROI> read(InputStream input, ROIComponent component)
throws NoSuchROIException, ParsingException, ROICreationException,
ROICreationException
{
if (input == null)
throw new NullPointerException("No input stream specified.");
//TODO: REview that code.
List<ROI> roiList = inputStrategy.readROI(input, component);
try
{
input.close();
}
catch (IOException e)
{
throw new ParsingException("Unable to close input file.");
}
return roiList;
}
/**
*
* @param output
* @param component
* @throws ParsingException
*/
public void write(OutputStream output, ROIComponent component)
throws ParsingException
{
if (output == null)
throw new NullPointerException("No input stream specified.");
outputStrategy.write(output, component);
try
{
output.close();
}
catch (IOException e)
{
throw new ParsingException("Unable to close output file.");
}
}
}