/*
* org.openmicroscopy.shoola.agents.treeviewer.ScriptLoader
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2011 University of Dundee & Open Microscopy Environment.
* 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.agents.treeviewer;
//Java imports
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.agents.treeviewer.view.TreeViewer;
import org.openmicroscopy.shoola.env.data.ProcessException;
import org.openmicroscopy.shoola.env.data.events.DSCallAdapter;
import org.openmicroscopy.shoola.env.data.model.ScriptObject;
import omero.gateway.SecurityContext;
import org.openmicroscopy.shoola.env.data.views.CallHandle;
import omero.log.LogMessage;
/**
* Loads the specified script.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @since Beta4.4
*/
public class ScriptLoader
extends DataTreeViewerLoader
{
/** Handle to the asynchronous call so that we can cancel it. */
private CallHandle handle;
/** The script's identifier. */
private long scriptID;
/**
* Creates a new instance.
*
* @param viewer Reference to the viewer. Mustn't be <code>null</code>.
* @param ctx The security context.
* @param scriptID The script's identifier.
*/
public ScriptLoader(TreeViewer viewer, SecurityContext ctx, long scriptID)
{
super(viewer, ctx);
if (scriptID < 0)
throw new IllegalArgumentException("No script specified.");
this.scriptID = scriptID;
}
/**
* Loads the script.
* @see DataTreeViewerLoader#load()
*/
public void load()
{
handle = mhView.loadScript(ctx, scriptID, this);
}
/**
* Cancels the data loading.
* @see DataTreeViewerLoader#cancel()
*/
public void cancel() { handle.cancel(); }
/**
* Feeds the result back to the viewer.
* @see DataTreeViewerLoader#handleResult(Object)
*/
public void handleResult(Object result)
{
//viewer.setScripts((List) result);
viewer.setScript((ScriptObject) result);
}
/**
* Notifies the user that an error has occurred.
* @see DSCallAdapter#handleException(Throwable)
*/
public void handleException(Throwable exc)
{
viewer.setScript(null);
String s = "Data Retrieval Failure: ";
LogMessage msg = new LogMessage();
msg.print(s);
msg.print(exc);
registry.getLogger().error(this, msg);
if (exc instanceof ProcessException) {
ProcessException se = (ProcessException) exc;
s = se.getMessage();
Throwable cause = se.getCause();
if (cause instanceof omero.ResourceError) {
omero.ResourceError re = (omero.ResourceError) cause;
s += String.format("\nError: \"%s\"", re.message);
} else if (cause != null && cause.getMessage() != null) {
s += (":" + cause.getMessage());
}
registry.getUserNotifier().notifyInfo("Running Script",
s+"\nPlease contact your administrator.");
} else {
super.handleException(exc);
}
}
}