1 files changed, 108 insertions, 0 deletions
diff --git a/autotools/org.eclipse.linuxtools.cdt.autotools.tests/src/org/eclipse/linuxtools/cdt/autotools/tests/CoreUtility.java b/autotools/org.eclipse.linuxtools.cdt.autotools.tests/src/org/eclipse/linuxtools/cdt/autotools/tests/CoreUtility.java
new file mode 100644
index 0000000000..67b1b8749d
--- /dev/null
+++ b/autotools/org.eclipse.linuxtools.cdt.autotools.tests/src/org/eclipse/linuxtools/cdt/autotools/tests/CoreUtility.java
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * 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.linuxtools.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() {
+			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;
+	}
+}	
+