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/*
 * Copyright 2003,2004 The Apache Software Foundation
 *
 *  Licensed 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 net.sf.cglib.core;

import java.lang.reflect.Method;
import java.util.*;

public class MethodWrapper {
    private static final MethodWrapperKey KEY_FACTORY =
      (MethodWrapperKey)KeyFactory.create(MethodWrapperKey.class);

    /** Internal interface, only public due to ClassLoader issues. */
    public interface MethodWrapperKey {
        public Object newInstance(String name, String[] parameterTypes, String returnType);
    }
    
    private MethodWrapper() {
    }

    public static Object create(Method method) {
        return KEY_FACTORY.newInstance(method.getName(),
                                       ReflectUtils.getNames(method.getParameterTypes()),
                                       method.getReturnType().getName());
    }

    public static Set createSet(Collection methods) {
        Set set = new HashSet();
        for (Iterator it = methods.iterator(); it.hasNext();) {
            set.add(create((Method)it.next()));
        }
        return set;
    }
}