EmptyHeaders.java — netty Source File

Source Code

/*
 * Copyright 2014 The Netty Project
 *
 * The Netty Project licenses this file to you 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:
 *
 * https://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.netty.handler.codec;

import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;

import static io.netty.handler.codec.DefaultHeaders.HASH_CODE_SEED;

public class EmptyHeaders<K, V, T extends Headers<K, V, T>> implements Headers<K, V, T> {
    @Override
    public V get(K name) {
        return null;
    }

    @Override
    public V get(K name, V defaultValue) {
        return defaultValue;
    }

    @Override
    public V getAndRemove(K name) {
        return null;
    }

    @Override
    public V getAndRemove(K name, V defaultValue) {
        return defaultValue;
    }

    @Override
    public List<V> getAll(K name) {
        return Collections.emptyList();
    }

    @Override
    public List<V> getAllAndRemove(K name) {
        return Collections.emptyList();
    }

    @Override
    public Boolean getBoolean(K name) {
        return null;
    }

// ... (467 more lines)