ratpack.http.internal.NettyHeadersBackedMutableHeaders.java Source code

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Here is the source code for ratpack.http.internal.NettyHeadersBackedMutableHeaders.java

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/*
 * Copyright 2013 the original author or authors.
 *
 * 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 ratpack.http.internal;

import com.google.common.collect.Iterables;
import io.netty.handler.codec.http.HttpHeaders;
import ratpack.http.Headers;
import ratpack.http.MutableHeaders;

import java.time.Instant;
import java.util.Date;

public class NettyHeadersBackedMutableHeaders extends NettyHeadersBackedHeaders implements MutableHeaders {

    private static final com.google.common.base.Function<Object, Object> CONVERT_VALUE = v -> v instanceof Instant
            ? new Date(((Instant) v).toEpochMilli())
            : v;

    public NettyHeadersBackedMutableHeaders(HttpHeaders headers) {
        super(headers);
    }

    @SuppressWarnings("deprecation")
    public MutableHeaders add(CharSequence name, Object value) {
        headers.add(name, CONVERT_VALUE.apply(value));
        return this;
    }

    @SuppressWarnings("deprecation")
    public MutableHeaders set(CharSequence name, Object value) {
        headers.set(name, CONVERT_VALUE.apply(value));
        return this;
    }

    @SuppressWarnings("deprecation")
    @Override
    public MutableHeaders setDate(CharSequence name, Date value) {
        headers.set(name, HttpHeaderDateFormat.get().format(value));
        return this;
    }

    @SuppressWarnings("deprecation")
    public MutableHeaders set(CharSequence name, Iterable<?> values) {
        headers.set(name, Iterables.transform(values, CONVERT_VALUE));
        return this;
    }

    @SuppressWarnings("deprecation")
    public MutableHeaders remove(CharSequence name) {
        headers.remove(name);
        return this;
    }

    public MutableHeaders clear() {
        headers.clear();
        return this;
    }

    @Override
    public MutableHeaders copy(Headers headers) {
        this.headers.add(headers.getNettyHeaders());

        return this;
    }

}