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    • org.httprpc.util.IteratorAdapter Maven / Gradle / Ivy

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    /*
 * 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.httprpc.util;

import java.util.Iterator;

/**
 * Class that presents the contents of an iterator as an iterable sequence of
 * values.
 */
public class IteratorAdapter implements Iterable {
    private Iterator iterator;

    /**
     * Constructs a new iterator adapter.
     *
     * @param iterator
     * The source iterator.
     */
    public IteratorAdapter(Iterator iterator) {
        if (iterator == null) {
            throw new IllegalArgumentException();
        }

        this.iterator = iterator;
    }

    @Override
    public Iterator iterator() {
        return new Iterator() {
            @Override
            public boolean hasNext() {
                return iterator.hasNext();
            }

            @Override
            public Object next() {
                return iterator.next();
            }
        };
    }
}
    
    
    
    

    




    
    
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