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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2020 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 io.undertow.server;

import java.util.Iterator;
import java.util.function.Consumer;

/**
 * @author Richard Opalka
 */
final class ReadOnlyIterator implements Iterator {

    final Iterator delegate;

    ReadOnlyIterator(final Iterator delegate) {
        this.delegate = delegate;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException();
    }

    @Override
    public void forEachRemaining(final Consumer action) {
        delegate.forEachRemaining(action);
    }

    @Override
    public boolean hasNext() {
        return delegate.hasNext();
    }

    @Override
    public E next() {
        return delegate.next();
    }

}