| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * 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<IStatus> flatten(IStatus aStatus) { |
| List<IStatus> result = new ArrayList<>(); |
| |
| if (aStatus.isMultiStatus()) { |
| for (IStatus currentChild : aStatus.getChildren()) { |
| if (currentChild.isMultiStatus()) { |
| Iterator<IStatus> 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 error status messages delegating to |
| * <code>StatusUtil{@link #newStatus(int, String, Throwable)}</code>. |
| * |
| * @param exception |
| * @return {@link IStatus} |
| */ |
| public static IStatus newError(Throwable exception) { |
| return newStatus(IStatus.ERROR, exception.getLocalizedMessage(), 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<IStatus> children, String message, |
| Throwable exception) { |
| |
| List<IStatus> flatStatusCollection = new ArrayList<>(); |
| Iterator<IStatus> iter = children.iterator(); |
| while (iter.hasNext()) { |
| IStatus currentStatus = iter.next(); |
| Iterator<IStatus> 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); |
| } |
| |
| } |