org.eclipse.jface.databinding.dialog.ValidationMessageProvider Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2009, 2010 Ovidio Mallo and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Ovidio Mallo - initial API and implementation (bug 248877)
******************************************************************************/
package org.eclipse.jface.databinding.dialog;
import org.eclipse.core.databinding.ValidationStatusProvider;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IMessageProvider;
/**
* Standard implementation of the {@link IValidationMessageProvider} interface.
*
* @since 1.4
*/
public class ValidationMessageProvider implements IValidationMessageProvider {
/**
* Returns the {@link IStatus#getMessage() message} of the
* IStatus contained in the provided
* validationStatusProvider as is or null if the
* validationStatusProvider is itself null.
*/
public String getMessage(ValidationStatusProvider statusProvider) {
if (statusProvider != null) {
IStatus status = (IStatus) statusProvider.getValidationStatus()
.getValue();
return status.getMessage();
}
return null;
}
/**
* Returns the message type defined in {@link IMessageProvider} which
* naturally maps to the {@link IStatus#getSeverity()} of the
* IStatus contained in the provided
* validationStatusProvider.
*/
public int getMessageType(ValidationStatusProvider statusProvider) {
if (statusProvider == null) {
return IMessageProvider.NONE;
}
IStatus status = (IStatus) statusProvider.getValidationStatus()
.getValue();
int severity = status.getSeverity();
switch (severity) {
case IStatus.OK:
return IMessageProvider.NONE;
case IStatus.CANCEL:
return IMessageProvider.NONE;
case IStatus.INFO:
return IMessageProvider.INFORMATION;
case IStatus.WARNING:
return IMessageProvider.WARNING;
case IStatus.ERROR:
return IMessageProvider.ERROR;
default:
Assert.isTrue(false, "incomplete switch statement"); //$NON-NLS-1$
return -1; // unreachable
}
}
}