https://github.com/eclipse-ee4j/jaxrs-api: Jakarta RESTful Web Services API (Eclipse Foundation) 
/*
 * Copyright (c) 2012, 2017 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package javax.ws.rs.client;

import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.NewCookie;
import javax.ws.rs.core.Response;
import java.io.InputStream;
import java.net.URI;
import java.util.Date;
import java.util.Locale;
import java.util.Map;
import java.util.Set;


Client response filter context.
A mutable class that provides response-specific information for the filter,
such as message headers, message entity or request-scoped properties.
The exposed setters allow modification of the exposed response-specific
information.

Author:Marek Potociar
Since:2.0
/**
 * Client response filter context.
 *
 * A mutable class that provides response-specific information for the filter,
 * such as message headers, message entity or request-scoped properties.
 * The exposed setters allow modification of the exposed response-specific
 * information.
 *
 * @author Marek Potociar
 * @since 2.0
 */
public interface ClientResponseContext {

    
Get the status code associated with the response.

Returns:the response status code or -1 if the status was not set.
/**
     * Get the status code associated with the response.
     *
     * @return the response status code or -1 if the status was not set.
     */
    public int getStatus();

    
Set a new response status code.

Params:
  • code – new status code.
/**
     * Set a new response status code.
     *
     * @param code new status code.
     */
    public void setStatus(int code);

    
Get the complete status information associated with the response.

Returns:the response status information or null if the status was not set.
/**
     * Get the complete status information associated with the response.
     *
     * @return the response status information or {@code null} if the status was
     *         not set.
     */
    public Response.StatusType getStatusInfo();

    
Set the complete status information (status code and reason phrase) associated
with the response.

Params:
  • statusInfo – the response status information.
/**
     * Set the complete status information (status code and reason phrase) associated
     * with the response.
     *
     * @param statusInfo the response status information.
     */
    public void setStatusInfo(Response.StatusType statusInfo);

    
Get the mutable response headers multivalued map.

See Also:
Returns:mutable multivalued map of response headers.
/**
     * Get the mutable response headers multivalued map.
     *
     * @return mutable multivalued map of response headers.
     * @see #getHeaderString(String)
     */
    public MultivaluedMap<String, String> getHeaders();

    
Get a message header as a single string value.

Params:
  • name – the message header.
See Also:
Returns:the message header value. If the message header is not present then null is returned. If the message header is present but has no value then the empty string is returned. If the message header is present more than once then the values of joined together and separated by a ',' character.
/**
     * Get a message header as a single string value.
     *
     * @param name the message header.
     * @return the message header value. If the message header is not present then
     *         {@code null} is returned. If the message header is present but has no
     *         value then the empty string is returned. If the message header is present
     *         more than once then the values of joined together and separated by a ','
     *         character.
     * @see #getHeaders()
     */
    public String getHeaderString(String name);

    
Get the allowed HTTP methods from the Allow HTTP header.

Returns:the allowed HTTP methods, all methods will returned as upper case
        strings.
/**
     * Get the allowed HTTP methods from the Allow HTTP header.
     *
     * @return the allowed HTTP methods, all methods will returned as upper case
     *         strings.
     */
    public Set<String> getAllowedMethods();

    
Get message date.

Returns:the message date, otherwise null if not present.
/**
     * Get message date.
     *
     * @return the message date, otherwise {@code null} if not present.
     */
    public Date getDate();

    
Get the language of the entity.

Returns:the language of the entity or null if not specified
/**
     * Get the language of the entity.
     *
     * @return the language of the entity or {@code null} if not specified
     */
    public Locale getLanguage();

    
Get Content-Length value.

Returns:Content-Length as integer if present and valid number. In other
        cases returns -1.
/**
     * Get Content-Length value.
     *
     * @return Content-Length as integer if present and valid number. In other
     *         cases returns -1.
     */
    public int getLength();

    
Get the media type of the entity.

Returns:the media type or null if not specified (e.g. there's no response entity).
/**
     * Get the media type of the entity.
     *
     * @return the media type or {@code null} if not specified (e.g. there's no
     *         response entity).
     */
    public MediaType getMediaType();

    
Get any new cookies set on the response message.

Returns:a read-only map of cookie name (String) to a new cookie.
/**
     * Get any new cookies set on the response message.
     *
     * @return a read-only map of cookie name (String) to a {@link NewCookie new cookie}.
     */
    public Map<String, NewCookie> getCookies();

    
Get the entity tag.

Returns:the entity tag, otherwise null if not present.
/**
     * Get the entity tag.
     *
     * @return the entity tag, otherwise {@code null} if not present.
     */
    public EntityTag getEntityTag();

    
Get the last modified date.

Returns:the last modified date, otherwise null if not present.
/**
     * Get the last modified date.
     *
     * @return the last modified date, otherwise {@code null} if not present.
     */
    public Date getLastModified();

    
Get the location.

Returns:the location URI, otherwise null if not present.
/**
     * Get the location.
     *
     * @return the location URI, otherwise {@code null} if not present.
     */
    public URI getLocation();

    
Get the links attached to the message as header.

Returns:links, may return empty Set if no links are present. Never returns null.
/**
     * Get the links attached to the message as header.
     *
     * @return links, may return empty {@link Set} if no links are present. Never
     *         returns {@code null}.
     */
    public Set<Link> getLinks();

    
Check if link for relation exists.

Params:
  • relation – link relation.
Returns:true if the for the relation link exists, false otherwise.
/**
     * Check if link for relation exists.
     *
     * @param relation link relation.
     * @return {@code true} if the for the relation link exists, {@code false}
     *         otherwise.
     */
    boolean hasLink(String relation);

    
Get the link for the relation.

Params:
  • relation – link relation.
Returns:the link for the relation, otherwise null if not present.
/**
     * Get the link for the relation.
     *
     * @param relation link relation.
     * @return the link for the relation, otherwise {@code null} if not present.
     */
    public Link getLink(String relation);

    
Convenience method that returns a Link.Builder for the relation. 
Params:
  • relation – link relation.
Returns:the link builder for the relation, otherwise null if not present.
/**
     * Convenience method that returns a {@link javax.ws.rs.core.Link.Builder Link.Builder}
     * for the relation.
     *
     * @param relation link relation.
     * @return the link builder for the relation, otherwise {@code null} if not
     *         present.
     */
    public Link.Builder getLinkBuilder(String relation);

    
Check if there is a non-empty entity input stream is available in the response message. The method returns true if the entity is present, returns false otherwise. 
Returns:true if there is an entity present in the message, false otherwise.
/**
     * Check if there is a non-empty entity input stream is available in the response
     * message.
     *
     * The method returns {@code true} if the entity is present, returns
     * {@code false} otherwise.
     *
     * @return {@code true} if there is an entity present in the message,
     *         {@code false} otherwise.
     */
    public boolean hasEntity();

    
Get the entity input stream. The runtime is responsible for
closing the input stream.

Returns:entity input stream.
/**
     * Get the entity input stream. The runtime is responsible for
     * closing the input stream.
     *
     * @return entity input stream.
     */
    public InputStream getEntityStream();

    
Set a new entity input stream. The runtime is responsible for
closing the input stream.

Params:
  • input – new entity input stream.
/**
     * Set a new entity input stream. The runtime is responsible for
     * closing the input stream.
     *
     * @param input new entity input stream.
     */
    public void setEntityStream(InputStream input);
}