/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.epic.perleditor.preferences;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.DialogPage;
/**
* A utility class to work with IStatus.
*/
public class StatusUtil {
/**
* Compares two instances of <code>IStatus</code>. The more severe is returned:
* An error is more severe than a warning, and a warning is more severe
* than ok. If the two stati have the same severity, the second is returned.
*/
public static IStatus getMoreSevere(IStatus s1, IStatus s2) {
if (s1.getSeverity() > s2.getSeverity()) {
return s1;
} else {
return s2;
}
}
/**
* Finds the most severe status from a array of stati.
* An error is more severe than a warning, and a warning is more severe
* than ok.
*/
public static IStatus getMostSevere(IStatus[] status) {
IStatus max= null;
for (int i= 0; i < status.length; i++) {
IStatus curr= status[i];
if (curr.matches(IStatus.ERROR)) {
return curr;
}
if (max == null || curr.getSeverity() > max.getSeverity()) {
max= curr;
}
}
return max;
}
/**
* Applies the status to the status line of a dialog page.
*/
public static void applyToStatusLine(DialogPage page, IStatus status) {
String message= status.getMessage();
switch (status.getSeverity()) {
case IStatus.OK:
page.setMessage(message, DialogPage.NONE);
page.setErrorMessage(null);
break;
case IStatus.WARNING:
page.setMessage(message, DialogPage.WARNING);
page.setErrorMessage(null);
break;
case IStatus.INFO:
page.setMessage(message, DialogPage.INFORMATION);
page.setErrorMessage(null);
break;
default:
if (message.length() == 0) {
message= null;
}
page.setMessage(null);
page.setErrorMessage(message);
break;
}
}
}