/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.service.http.api.domain.message;
import org.mule.service.http.api.domain.entity.EmptyHttpEntity;
import org.mule.service.http.api.domain.entity.HttpEntity;
import java.util.Collection;
/**
* Represents common parts of an HTTP message.
*
* @since 4.0
*/
public interface HttpMessage {
/**
* @return all headers name
*/
Collection<String> getHeaderNames();
/**
* @param headerName name of the header
* @return first value of the header
*/
String getHeaderValue(String headerName);
/**
* @param headerName name of the header
* @return first value of the header, regardless of the case
*/
String getHeaderValueIgnoreCase(String headerName);
/**
* @param headerName name of the header
* @return all the values of that headers. If not such headers exists return null, otherwise the collection of header values
*/
Collection<String> getHeaderValues(String headerName);
/**
* @param headerName name of the header
* @return all the values of that headers, regardless of the case. If not such headers exists return null, otherwise the
* collection of header values
*/
Collection<String> getHeaderValuesIgnoreCase(String headerName);
/**
* @return the entity of the message. If there's no entity an {@link EmptyHttpEntity} is returned
*/
HttpEntity getEntity();
}