/*
* org.openmicroscopy.shoola.env.data.views.calls.SaveAsLoader
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2011 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.env.data.views.calls;
//Java imports
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.env.data.OmeroImageService;
import org.openmicroscopy.shoola.env.data.ScriptCallback;
import org.openmicroscopy.shoola.env.data.model.SaveAsParam;
import omero.gateway.SecurityContext;
import org.openmicroscopy.shoola.env.data.views.BatchCall;
import org.openmicroscopy.shoola.env.data.views.BatchCallTree;
import org.openmicroscopy.shoola.env.data.views.ProcessBatchCall;
import org.openmicroscopy.shoola.env.data.views.ProcessCallback;
/**
* Saves locally a collection of images as JPEG.
*
* @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
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since 3.0-Beta4
*/
public class SaveAsLoader
extends BatchCallTree
{
/** Loads the specified tree. */
private BatchCall loadCall;
/** The server call-handle to the computation. */
private Object callBack;
/**
* Creates a {@link BatchCall} to save the images locally.
*
* @param ctx The security context.
* @param param The parameters to create the movie.
* @return The {@link BatchCall}.
*/
private BatchCall makeBatchCall(final SecurityContext ctx,
final SaveAsParam param)
{
return new ProcessBatchCall("Saving images locally: ") {
public ProcessCallback initialize() throws Exception
{
OmeroImageService os = context.getImageService();
ScriptCallback cb = os.saveAs(ctx, param);
if (cb == null) {
callBack = Boolean.valueOf(false);
return null;
} else {
callBack = new ProcessCallback(cb);
return (ProcessCallback) callBack;
}
}
};
}
/**
* Returns the server call-handle to the computation.
*
* @return See above.
*/
protected Object getPartialResult() { return callBack; }
/**
* Adds the {@link #loadCall} to the computation tree.
*
* @see BatchCallTree#buildTree()
*/
protected void buildTree() { add(loadCall); }
/**
* Returns the root node of the requested tree.
*
* @see BatchCallTree#getResult()
*/
protected Object getResult() { return Boolean.valueOf(true); }
/**
* Creates a new instance.
*
* @param ctx The security context.
* @param parameters The parameters to handle.
*/
public SaveAsLoader(SecurityContext ctx, SaveAsParam parameters)
{
if (parameters == null)
throw new IllegalArgumentException("No parameters specified.");
loadCall = makeBatchCall(ctx, parameters);
}
}