/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.weld.util.collections;

import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Enumeration;

/**
 * An immutable Enumeration -> List adaptor
 *
 * @author Pete Muir
 */
public class EnumerationList<T> extends AbstractList<T> {

    private final ArrayList<T> list;

    /**
     *
     * @param enumeration
     */
    public EnumerationList(Enumeration<T> enumeration) {
        list = new ArrayList<T>();
        while (enumeration.hasMoreElements()) {
            list.add(enumeration.nextElement());
        }
        list.trimToSize();
    }

    @Override
    public T get(int index) {
        return list.get(index);
    }

    @Override
    public int size() {
        return list.size();
    }
}
