/*
 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.frostwire.android.httpserver;

import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class UnmodifiableHeaders extends Headers {

    private Headers map;

    public UnmodifiableHeaders(Headers map) {
        this.map = map;
    }

    public int size() {
        return map.size();
    }

    public boolean isEmpty() {
        return map.isEmpty();
    }

    public boolean containsKey(Object key) {
        return map.containsKey(key);
    }

    public boolean containsValue(Object value) {
        return map.containsValue(value);
    }

    public List<String> get(Object key) {
        return map.get(key);
    }

    public String getFirst(String key) {
        return map.getFirst(key);
    }

    public List<String> put(String key, List<String> value) {
        return map.put(key, value);
    }

    public void add(String key, String value) {
        throw new UnsupportedOperationException("unsupported operation");
    }

    public void set(String key, String value) {
        throw new UnsupportedOperationException("unsupported operation");
    }

    public List<String> remove(Object key) {
        throw new UnsupportedOperationException("unsupported operation");
    }

    public void putAll(Map<? extends String, ? extends List<String>> t) {
        throw new UnsupportedOperationException("unsupported operation");
    }

    public void clear() {
        throw new UnsupportedOperationException("unsupported operation");
    }

    public Set<String> keySet() {
        return Collections.unmodifiableSet(map.keySet());
    }

    public Collection<List<String>> values() {
        return Collections.unmodifiableCollection(map.values());
    }

    public Set<Map.Entry<String, List<String>>> entrySet() {
        return Collections.unmodifiableSet(map.entrySet());
    }

    public boolean equals(Object o) {
        return map.equals(o);
    }

    public int hashCode() {
        return map.hashCode();
    }
}