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diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/ClassLoadingUtil.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/ClassLoadingUtil.java
new file mode 100644
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+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/ClassLoadingUtil.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.binding.ejb.corba;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Utility class for loading classes by a variety of name variations.
+ * <p/>
+ * Supported names types are:
+ * <p/>
+ * 1)  Fully qualified class name (e.g., "java.lang.String", "org.apache.geronimo.kernel.ClassLoading"
+ * 2)  Method signature encoding ("Ljava.lang.String;", "J", "I", etc.)
+ * 3)  Primitive type names ("int", "boolean", etc.)
+ * 4)  Method array signature strings ("[I", "[Ljava.lang.String")
+ * 5)  Arrays using Java code format ("int[]", "java.lang.String[][]")
+ * <p/>
+ * The classes are loaded using the provided class loader.  For the basic types, the primitive
+ * reflection types are returned.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ClassLoadingUtil {
+
+    /**
+     * Table for mapping primitive class names/signatures to the implementing
+     * class object
+     */
+    private static final HashMap PRIMITIVE_CLASS_MAP = new HashMap();
+
+    /**
+     * Table for mapping primitive classes back to their name signature type, which
+     * allows a reverse mapping to be performed from a class object into a resolvable
+     * signature.
+     */
+    private static final HashMap CLASS_TO_SIGNATURE_MAP = new HashMap();
+
+
+    /**
+     * Setup the primitives map.  We make any entry for each primitive class using both the
+     * human readable name and the method signature shorthand type.
+     */
+    static {
+        PRIMITIVE_CLASS_MAP.put("boolean", boolean.class);
+        PRIMITIVE_CLASS_MAP.put("Z", boolean.class);
+        PRIMITIVE_CLASS_MAP.put("byte", byte.class);
+        PRIMITIVE_CLASS_MAP.put("B", byte.class);
+        PRIMITIVE_CLASS_MAP.put("char", char.class);
+        PRIMITIVE_CLASS_MAP.put("C", char.class);
+        PRIMITIVE_CLASS_MAP.put("short", short.class);
+        PRIMITIVE_CLASS_MAP.put("S", short.class);
+        PRIMITIVE_CLASS_MAP.put("int", int.class);
+        PRIMITIVE_CLASS_MAP.put("I", int.class);
+        PRIMITIVE_CLASS_MAP.put("long", long.class);
+        PRIMITIVE_CLASS_MAP.put("J", long.class);
+        PRIMITIVE_CLASS_MAP.put("float", float.class);
+        PRIMITIVE_CLASS_MAP.put("F", float.class);
+        PRIMITIVE_CLASS_MAP.put("double", double.class);
+        PRIMITIVE_CLASS_MAP.put("D", double.class);
+        PRIMITIVE_CLASS_MAP.put("void", void.class);
+        PRIMITIVE_CLASS_MAP.put("V", void.class);
+
+        // Now build a reverse mapping table.  The table above has a many-to-one mapping for
+        // class names.  To do the reverse, we need to pick just one.  As long as the
+        // returned name supports "round tripping" of the requests, this will work fine.
+
+        CLASS_TO_SIGNATURE_MAP.put(boolean.class, "Z");
+        CLASS_TO_SIGNATURE_MAP.put(byte.class, "B");
+        CLASS_TO_SIGNATURE_MAP.put(char.class, "C");
+        CLASS_TO_SIGNATURE_MAP.put(short.class, "S");
+        CLASS_TO_SIGNATURE_MAP.put(int.class, "I");
+        CLASS_TO_SIGNATURE_MAP.put(long.class, "J");
+        CLASS_TO_SIGNATURE_MAP.put(float.class, "F");
+        CLASS_TO_SIGNATURE_MAP.put(double.class, "D");
+        CLASS_TO_SIGNATURE_MAP.put(void.class, "V");
+    }
+
+
+    /**
+     * Load a class that matches the requested name, using the provided class loader context.
+     * <p/>
+     * The class name may be a standard class name, the name of a primitive type Java
+     * reflection class (e.g., "boolean" or "int"), or a type in method type signature
+     * encoding.  Array classes in either encoding form are also processed.
+     *
+     * @param className The name of the required class.
+     * @param classLoader The class loader used to resolve the class object.
+     * @return The Class object resolved from "className".
+     * @throws ClassNotFoundException When unable to resolve the class object.
+     * @throws IllegalArgumentException If either argument is null.
+     */
+    public static Class loadClass(String className, ClassLoader classLoader) throws ClassNotFoundException {
+
+        // the tests require IllegalArgumentExceptions for null values on either of these.
+        if (className == null) {
+            throw new IllegalArgumentException("className is null");
+        }
+
+        if (classLoader == null) {
+            throw new IllegalArgumentException("classLoader is null");
+        }
+        // The easiest case is a proper class name.  We just have the class loader resolve this.
+        // If the class loader throws a ClassNotFoundException, then we need to check each of the
+        // special name encodings we support.
+        try {
+            return classLoader.loadClass(className);
+        } catch (ClassNotFoundException ignore) {
+            // if not found, continue on to the other name forms.
+        }
+
+
+        // The second easiest version to resolve is a direct map to a primitive type name
+        // or method signature.  Check our name-to-class map for one of those.
+        Class resolvedClass = (Class) PRIMITIVE_CLASS_MAP.get(className);
+        if (resolvedClass != null) {
+            return resolvedClass;
+        }
+
+        // Class names in method signature have the format "Lfully.resolved.name;",
+        // so if it ends in a semicolon and begins with an "L", this must be in
+        // this format.  Have the class loader try to load this.  There are no other
+        // options if this fails, so just allow the class loader to throw the
+        // ClassNotFoundException.
+        if (className.endsWith(";") && className.startsWith("L")) {
+            // pick out the name portion
+            String typeName = className.substring(1, className.length() - 1);
+            // and delegate the loading to the class loader.
+            return classLoader.loadClass(typeName);
+        }
+
+        // All we have left now are the array types.  Method signature array types
+        // have a series of leading "[" characters to specify the number of dimensions.
+        // The other array type we handle uses trailing "[]" for the dimensions, just
+        // like the Java language syntax.
+
+        // first check for the signature form ([[[[type).
+        if (className.charAt(0) == '[') {
+            // we have at least one array marker, now count how many leading '['s we have
+            // to get the dimension count.
+            int count = 0;
+            int nameLen = className.length();
+
+            while (count < nameLen && className.charAt(count) == '[') {
+                count++;
+            }
+
+            // pull of the name subtype, which is everything after the last '['
+            String arrayTypeName = className.substring(count, className.length());
+            // resolve the type using a recursive call, which will load any of the primitive signature
+            // types as well as class names.
+            Class arrayType = loadClass(arrayTypeName, classLoader);
+
+            // Resolving array types require a little more work.  The array classes are
+            // created dynamically when the first instance of a given dimension and type is
+            // created.  We need to create one using reflection to do this.
+            return getArrayClass(arrayType, count);
+        }
+
+
+        // ok, last chance.  Now check for an array specification in Java language
+        // syntax.  This will be a type name followed by pairs of "[]" to indicate
+        // the number of dimensions.
+        if (className.endsWith("[]")) {
+            // get the base component class name and the arrayDimensions
+            int count = 0;
+            int position = className.length();
+
+            while (position > 1 && className.substring(position - 2, position).equals("[]")) {
+                // count this dimension
+                count++;
+                // and step back the probe position.
+                position -= 2;
+            }
+
+            // position now points at the location of the last successful test.  This makes it
+            // easy to pick off the class name.
+
+            String typeName = className.substring(0, position);
+
+            // load the base type, again, doing this recursively
+            Class arrayType = loadClass(typeName, classLoader);
+            // and turn this into the class object
+            return getArrayClass(arrayType, count);
+        }
+
+        throw new ClassNotFoundException("Could not load class " + className + " from unknown classloader; " + classLoader);
+    }
+
+
+    /**
+     * Map a class object back to a class name.  The returned class object
+     * must be "round trippable", which means
+     * <p/>
+     * type == ClassLoading.loadClass(ClassLoading.getClassName(type), classLoader)
+     * <p/>
+     * must be true.  To ensure this, the class name is always returned in
+     * method signature format.
+     *
+     * @param type The class object we convert into name form.
+     * @return A string representation of the class name, in method signature
+     *         format.
+     */
+    public static String getClassName(Class type) {
+        StringBuffer name = new StringBuffer();
+
+        // we test these in reverse order from the resolution steps,
+        // first handling arrays, then primitive types, and finally
+        // "normal" class objects.
+
+        // First handle arrays.  If a class is an array, the type is
+        // element stored at that level.  So, for a 2-dimensional array
+        // of ints, the top-level type will be "[I".  We need to loop
+        // down the hierarchy until we hit a non-array type.
+        while (type.isArray()) {
+            // add another array indicator at the front of the name,
+            // and continue with the next type.
+            name.append('[');
+            type = type.getComponentType();
+        }
+
+        // we're down to the base type.  If this is a primitive, then
+        // we poke in the single-character type specifier.
+        if (type.isPrimitive()) {
+            name.append((String) CLASS_TO_SIGNATURE_MAP.get(type));
+        }
+        // a "normal" class.  This gets expressing using the "Lmy.class.name;" syntax.
+        else {
+            name.append('L');
+            name.append(type.getName());
+            name.append(';');
+        }
+        return name.toString();
+    }
+
+    private static Class getArrayClass(Class type, int dimension) {
+        // Array.newInstance() requires an array of the requested number of dimensions
+        // that gives the size for each dimension.  We just request 0 in each of the
+        // dimensions, which is not unlike a black hole singularity.
+        int[] dimensions = new int[dimension];
+        // create an instance and return the associated class object.
+        return Array.newInstance(type, dimensions).getClass();
+    }
+
+    public static Set getAllTypes(Class type) {
+        Set allTypes = new LinkedHashSet();
+        allTypes.add(type);
+        allTypes.addAll(getAllSuperClasses(type));
+        allTypes.addAll(getAllInterfaces(type));
+        return allTypes;
+    }
+
+    private static Set getAllSuperClasses(Class clazz) {
+        Set allSuperClasses = new LinkedHashSet();
+        for (Class superClass = clazz.getSuperclass(); superClass != null; superClass = superClass.getSuperclass()) {
+            allSuperClasses.add(superClass);
+        }
+        return allSuperClasses;
+    }
+
+    private static Set getAllInterfaces(Class clazz) {
+        Set allInterfaces = new LinkedHashSet();
+        LinkedList stack = new LinkedList();
+        stack.addAll(Arrays.asList(clazz.getInterfaces()));
+        while (!stack.isEmpty()) {
+            Class intf = (Class) stack.removeFirst();
+            if (!allInterfaces.contains(intf)) {
+                allInterfaces.add(intf);
+                stack.addAll(Arrays.asList(intf.getInterfaces()));
+            }
+        }
+        return allInterfaces;
+    }
+
+    public static Set reduceInterfaces(Set source) {
+        Class[] classes = (Class[]) source.toArray(new Class[source.size()]);
+        classes = reduceInterfaces(classes);
+        return new LinkedHashSet(Arrays.asList(classes));
+    }
+
+    /**
+     * If there are multiple interfaces, and some of them extend each other,
+     * eliminate the superclass in favor of the subclasses that extend them.
+     *
+     * If one of the entries is a class (not an interface), make sure it's
+     * the first one in the array.  If more than one of the entries is a
+     * class, throws an IllegalArgumentException
+     *
+     * @param source the original list of interfaces
+     * @return the equal or smaller list of interfaces
+     */
+    public static Class[] reduceInterfaces(Class[] source) {
+        // use a copy of the source array
+        source = (Class[]) source.clone();
+
+        for (int leftIndex = 0; leftIndex < source.length-1; leftIndex++) {
+            Class left = source[leftIndex];
+            if(left == null) {
+                continue;
+            }
+
+            for (int rightIndex = leftIndex +1; rightIndex < source.length; rightIndex++) {
+                Class right = source[rightIndex];
+                if(right == null) {
+                    continue;
+                }
+
+                if(left == right || right.isAssignableFrom(left)) {
+                    // right is the same as class or a sub class of left
+                    source[rightIndex] = null;
+                } else if(left.isAssignableFrom(right)) {
+                    // left is the same as class or a sub class of right
+                    source[leftIndex] = null;
+
+                    // the left has been eliminated; move on to the next left
+                    break;
+                }
+            }
+        }
+
+        Class clazz = null;
+        for (int i = 0; i < source.length; i++) {
+            if (source[i] != null && !source[i].isInterface()) {
+                if (clazz != null) {
+                    throw new IllegalArgumentException("Source contains two classes which are not subclasses of each other: " + clazz.getName() + ", " + source[i].getName());
+                }
+                clazz = source[i];
+                source[i] = null;
+            }
+        }
+
+        List list = new ArrayList(source.length);
+        if (clazz != null) list.add(clazz);
+        for (int i = 0; i < source.length; i++) {
+            if(source[i] != null) {
+                list.add(source[i]);
+            }
+        }
+        return (Class[]) list.toArray(new Class[list.size()]);
+    }
+}
+