| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.ide; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.MultiStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| /** |
| * Utility class to create status objects. |
| * |
| * PRIVATE This class is an internal implementation class and should not be |
| * referenced or sub-classed outside of the workbench |
| * |
| * @since 3.0 |
| */ |
| public class StatusUtil { |
| |
| /** |
| * Answer a flat collection of the passed status and its recursive children |
| */ |
| protected static List flatten(IStatus aStatus) { |
| List result = new ArrayList(); |
| |
| if (aStatus.isMultiStatus()) { |
| IStatus[] children = aStatus.getChildren(); |
| for (int i = 0; i < children.length; i++) { |
| IStatus currentChild = children[i]; |
| if (currentChild.isMultiStatus()) { |
| Iterator childStatiiEnum = flatten(currentChild).iterator(); |
| while (childStatiiEnum.hasNext()) { |
| result.add(childStatiiEnum.next()); |
| } |
| } else { |
| result.add(currentChild); |
| } |
| } |
| } else { |
| result.add(aStatus); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * This method must not be called outside the workbench. |
| * |
| * Utility method for creating status. |
| */ |
| protected static IStatus newStatus(IStatus[] stati, String message, |
| Throwable exception) { |
| |
| if (message == null || message.trim().length() == 0) { |
| throw new IllegalArgumentException(); |
| } |
| return new MultiStatus(IDEWorkbenchPlugin.IDE_WORKBENCH, IStatus.ERROR, |
| stati, message, exception); |
| } |
| |
| |
| /** |
| * This method must not be called outside the workbench. |
| * |
| * Utility method for creating status. |
| * @param severity |
| * @param message |
| * @param exception |
| * @return {@link IStatus} |
| */ |
| public static IStatus newStatus(int severity, String message, |
| Throwable exception) { |
| |
| String statusMessage = message; |
| if (message == null || message.trim().length() == 0) { |
| if (exception == null) { |
| throw new IllegalArgumentException(); |
| } else if (exception.getMessage() == null) { |
| statusMessage = exception.toString(); |
| } else { |
| statusMessage = exception.getMessage(); |
| } |
| } |
| |
| return new Status(severity, IDEWorkbenchPlugin.IDE_WORKBENCH, severity, |
| statusMessage, exception); |
| } |
| |
| |
| /** |
| * This method must not be called outside the workbench. |
| * |
| * Utility method for creating status. |
| * @param children |
| * @param message |
| * @param exception |
| * @return {@link IStatus} |
| */ |
| public static IStatus newStatus(List children, String message, |
| Throwable exception) { |
| |
| List flatStatusCollection = new ArrayList(); |
| Iterator iter = children.iterator(); |
| while (iter.hasNext()) { |
| IStatus currentStatus = (IStatus) iter.next(); |
| Iterator childrenIter = flatten(currentStatus).iterator(); |
| while (childrenIter.hasNext()) { |
| flatStatusCollection.add(childrenIter.next()); |
| } |
| } |
| |
| IStatus[] stati = new IStatus[flatStatusCollection.size()]; |
| flatStatusCollection.toArray(stati); |
| return newStatus(stati, message, exception); |
| } |
| |
| |
| } |