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diff --git a/sandbox/pasteInNewTable/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/util/ClassLoaderHelper.java b/sandbox/pasteInNewTable/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/util/ClassLoaderHelper.java
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index 00000000000..da6ae044f7d
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+++ b/sandbox/pasteInNewTable/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/util/ClassLoaderHelper.java
@@ -0,0 +1,139 @@
+/*****************************************************************************
+ * Copyright (c) 2010 CEA LIST.
+ * 
+ * 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:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.tools.util;
+
+import org.eclipse.papyrus.infra.tools.Activator;
+
+/**
+ * A Helper class for Class Loading.
+ * 
+ * @author Camille Letavernier
+ */
+//This class needs the "BuddyPolicy" set to "dependent" in the Manifest.MF, 
+//in order to be able to retrieve the classes it loads
+//
+//This is the org.eclipse.papyrus.infra.tools class loader which is used for loading
+//a class, instead of each caller's ClassLoader
+//
+//Plug-ins using this class should also either set their Buddy-policy to dependent or 
+//reexport the dependency to oep.infra.tools
+public class ClassLoaderHelper {
+
+	/**
+	 * Loads the class matching the given className. Exceptions are caught and sent
+	 * to the Logger.
+	 * 
+	 * @param className
+	 *        The qualified name of the Class to load.
+	 * @return
+	 *         The loaded Class, or null if an error occured
+	 */
+	public static Class<?> loadClass(String className) {
+		try {
+			Class<?> clazz = Activator.getDefault().getBundle().loadClass(className);
+			return clazz;
+		} catch (ClassNotFoundException ex) {
+			Activator.log.error(String.format("The class %s doesn't exist", className), ex); //$NON-NLS-1$ 
+		} catch (NullPointerException ex) {
+			Activator.log.error("Cannot load class " + className, ex); //$NON-NLS-1$
+		}
+
+		return null;
+	}
+
+	/**
+	 * Loads and returns the class denoted by the given className.
+	 * Checks that the loaded class is a subtype of the given Class.
+	 * 
+	 * @param className
+	 *        The qualified name of the class to be loaded
+	 * @param asSubClass
+	 *        The interface or class that the loaded class must implement or extend
+	 * @return
+	 *         The loaded class, or null if the class doesn't exist or is invalid.
+	 *         In such a case, the exception is logged.
+	 */
+	public static <T> Class<? extends T> loadClass(String className, Class<T> asSubClass) {
+		Class<?> theClass = loadClass(className);
+		if(theClass == null) {
+			return null;
+		}
+
+		try {
+			Class<? extends T> typedClass = theClass.asSubclass(asSubClass);
+			return typedClass;
+		} catch (ClassCastException ex) {
+			Activator.log.error(String.format("The class %1$s doesn't extend or implement %2$s", className, asSubClass.getName()), ex); //$NON-NLS-1$
+		}
+
+		return null;
+	}
+
+	/**
+	 * Creates a new instance of class denoted by the given className.
+	 * Checks that the instantiated class is a subtype of the given class
+	 * 
+	 * @param className
+	 *        The qualified name of the class to be instantiated
+	 * @param asSubclass
+	 *        The interface or class that the loaded class must implement or extend
+	 * @return
+	 *         An instance of the loaded class, or null if a valid instance
+	 *         cannot be created. In such a case, the exception is logged.
+	 */
+	public static <T> T newInstance(String className, Class<T> asSubclass) {
+		Class<? extends T> typedClass = loadClass(className, asSubclass);
+		if(typedClass == null) {
+			return null;
+		}
+
+		return newInstance(typedClass);
+	}
+
+	/**
+	 * Returns a new Instance of the given class
+	 * 
+	 * @param className
+	 *        The qualified name of the Class to instantiate
+	 * @return
+	 *         A new instance of the given class, or null if the class couldn't be
+	 *         instantiated
+	 */
+	public static Object newInstance(String className) {
+		return newInstance(loadClass(className));
+	}
+
+	/**
+	 * Returns a new Instance of the given class
+	 * 
+	 * @param theClass
+	 *        The Class to instantiate
+	 * @return
+	 *         A new instance of the given class, or null if the class couldn't be
+	 *         instantiated
+	 */
+	public static <T extends Object> T newInstance(Class<T> theClass) {
+		if(theClass == null) {
+			return null;
+		}
+
+		try {
+			return theClass.newInstance();
+		} catch (IllegalAccessException ex) {
+			Activator.log.error("Cannot find a valid public constructor for the class " + theClass.getName(), ex); //$NON-NLS-1$
+		} catch (InstantiationException ex) {
+			Activator.log.error(String.format("The class %s cannot be instantiated.", theClass.getName()), ex); //$NON-NLS-1$
+		}
+
+		return null;
+	}
+}