| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.ui.internal.dialogfield; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jface.dialogs.DialogPage; |
| |
| /** |
| * copied from org.eclipse.jdt.internal.dialogs. Enhanced to support null status |
| * as parameter |
| * |
| * 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. |
| * @param s1 |
| * @param s2 |
| * |
| * @return Could be null. |
| */ |
| public static IStatus getMoreSevere(IStatus s1, IStatus s2) { |
| if (s1 == null && s2 == null) { |
| return null; |
| } else if (s1 == null) { |
| return s2; |
| } else if (s2 == null) { |
| return s1; |
| } else 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. |
| * @param status |
| * |
| * @return could be null |
| */ |
| public static IStatus getMostSevere(IStatus[] status) { |
| if (status == null) |
| return null; |
| IStatus max = null; |
| for (int i = 0; i < status.length; i++) { |
| IStatus curr = status[i]; |
| if (curr == null) |
| continue; |
| |
| if (curr.matches(IStatus.ERROR)) { |
| return curr; |
| } |
| if (max == null || curr.getSeverity() > max.getSeverity()) { |
| max = curr; |
| } |
| } |
| if (max != null) |
| { |
| return max; |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Applies the status to the status line of a dialog page. |
| * @param page |
| * @param status |
| */ |
| public static void applyToStatusLine(DialogPage page, IStatus status) { |
| if (status == null) { |
| page.setMessage(null); |
| page.setErrorMessage(null); |
| } else { |
| 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; |
| } |
| } |
| } |
| } |