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/*******************************************************************************
* Copyright (c) 2002, 2014 QNX Software Systems 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:
* QNX Software Systems - initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.util;
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.
* {@link org.eclipse.ui.dialogs.ContainerGenerator} 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];
}
}
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