/*
* Copyright 2000-2016 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.components.abstractcomponent;
import com.vaadin.server.ErrorHandler;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUIWithLog;
import com.vaadin.ui.Button;
public class ResponseWritingErrorHandling extends AbstractTestUIWithLog {
@Override
protected void setup(VaadinRequest request) {
ErrorHandler errorHandler = new ErrorHandler() {
@Override
public void error(com.vaadin.server.ErrorEvent event) {
String message = event.getThrowable().getMessage();
log(message);
}
};
Button button = new Button("Throw in beforeClientResponse") {
private boolean throwInBeforeClientResponse = false;
{
addClickListener(new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
throwInBeforeClientResponse = true;
// Make sure beforeClientResponse is called
markAsDirty();
}
});
}
@Override
public void beforeClientResponse(boolean initial) {
if (throwInBeforeClientResponse) {
throwInBeforeClientResponse = false;
throw new RuntimeException("Button.beforeClientResponse");
}
}
};
button.setErrorHandler(errorHandler);
addComponent(button);
}
}