/*
* Copyright (c) 2010, Michael Grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.jowidgets.spi.impl.rwt;
import java.util.UUID;
import org.eclipse.rwt.RWT;
import org.eclipse.rwt.lifecycle.IEntryPoint;
import org.eclipse.rwt.lifecycle.UICallBack;
import org.jowidgets.api.toolkit.Toolkit;
import org.jowidgets.util.Assert;
public class RwtEntryPoint implements IEntryPoint {
private final Runnable runnable;
public RwtEntryPoint(final Runnable runnable) {
Assert.paramNotNull(runnable, "runnable");
this.runnable = runnable;
}
@Override
public final int createUI() {
try {
if (!Toolkit.isInitialized()) {
Toolkit.initialize(new RwtToolkitProvider());
RwtUiDefaultsInitializer.initialize();
}
final String uuid = UUID.randomUUID().toString();
UICallBack.activate(uuid);
try {
runnable.run();
}
finally {
UICallBack.deactivate(uuid);
}
return 0;
}
finally {
RWT.getRequest().getSession().invalidate();
}
}
}