org.dmfs.httpessentials.entities.EmptyHttpRequestEntity Maven / Gradle / Ivy

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Basic implementations of http-client-essentials that are frequently used.

There is a newer version: 1.22.1

/*
 * Copyright 2017 dmfs GmbH
 *
 *
 * 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.dmfs.httpessentials.entities;

import org.dmfs.httpessentials.client.HttpRequestEntity;
import org.dmfs.httpessentials.types.MediaType;
import org.dmfs.jems.optional.Optional;

import java.io.OutputStream;

import static org.dmfs.jems.optional.elementary.Absent.absent;


/**
 * An empty {@link HttpRequestEntity}. This entity doesn't have any {@link MediaType}. This is typically used for requests that don't send a message body.
 *
 * @author Marten Gajda
 */
public final class EmptyHttpRequestEntity implements HttpRequestEntity
{
    public final static HttpRequestEntity INSTANCE = new EmptyHttpRequestEntity();


    @Override
    public Optional contentType()
    {
        return absent();
    }


    @Override
    public Optional contentLength()
    {
        return absent();
    }


    @Override
    public void writeContent(OutputStream out)
    {
    }

}