| /******************************************************************************* |
| * Copyright (c) 2002, 2006 QNX Software Systems 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: |
| * QNX Software Systems - initial API and implementation |
| * Markus Schorn (Wind River Systems) |
| *******************************************************************************/ |
| package org.eclipse.cdt.autotools.tests; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.osgi.framework.Bundle; |
| |
| public class CoreUtility { |
| |
| /** |
| * Creates a folder and all parent folders if not existing. |
| * Project must exist. |
| * <code> org.eclipse.ui.dialogs.ContainerGenerator</code> is too heavy |
| * (creates a runnable) |
| */ |
| public static void createFolder(IFolder folder, boolean force, boolean local, IProgressMonitor monitor) throws CoreException { |
| if (!folder.exists()) { |
| IContainer parent= folder.getParent(); |
| if (parent instanceof IFolder) { |
| createFolder((IFolder)parent, force, local, null); |
| } |
| folder.create(force, local, monitor); |
| } |
| } |
| |
| /** |
| * Creates an extension. If the extension plugin has not |
| * been loaded a busy cursor will be activated during the duration of |
| * the load. |
| * |
| * @param element the config element defining the extension |
| * @param classAttribute the name of the attribute carrying the class |
| * @return the extension object |
| */ |
| public static Object createExtension(final IConfigurationElement element, final String classAttribute) throws CoreException { |
| // If plugin has been loaded create extension. |
| // Otherwise, show busy cursor then create extension. |
| |
| String id= element.getContributor().getName(); |
| Bundle bundle = Platform.getBundle(id); |
| if(bundle.getState() == org.osgi.framework.Bundle.ACTIVE) { |
| return element.createExecutableExtension(classAttribute); |
| } |
| final Object[] ret = new Object[1]; |
| final CoreException[] exc = new CoreException[1]; |
| BusyIndicator.showWhile(null, new Runnable() { |
| @Override |
| public void run() { |
| try { |
| ret[0] = element.createExecutableExtension(classAttribute); |
| } catch (CoreException e) { |
| exc[0] = e; |
| } |
| } |
| }); |
| if (exc[0] != null) |
| throw exc[0]; |
| return ret[0]; |
| } |
| |
| /** |
| * Calls equals after checking for nulls |
| */ |
| public static boolean safeEquals(Object lhs, Object rhs) { |
| if (lhs==rhs) { |
| return true; |
| } |
| if (lhs == null || rhs == null) { |
| return false; |
| } |
| return lhs.equals(rhs); |
| } |
| |
| /** |
| * Calls hashCode after checking for null |
| */ |
| public static int safeHashcode(Object o) { |
| return o == null ? 0 : o.hashCode(); |
| } |
| |
| /** |
| * Comparse two integers. |
| */ |
| public static int compare(int lhs, int rhs) { |
| if (lhs < rhs) { |
| return -1; |
| } |
| if (lhs > rhs) { |
| return 1; |
| } |
| return 0; |
| } |
| } |
| |