blob: ceec6263b1d71c170ea4c1fefb507443488a8082 [file] [log] [blame]
/*
* Copyright 2008 Google Inc.
*
* 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 com.google.gwt.http.client;
/**
* Wrapper which provides access to the components of an HTTP response.
*
* <h3>Required Module</h3>
* Modules that use this class should inherit
* <code>com.google.gwt.http.HTTP</code>.
*
* {@gwt.include com/google/gwt/examples/http/InheritsExample.gwt.xml}
*/
public abstract class Response {
public static final int SC_ACCEPTED = 202;
public static final int SC_BAD_GATEWAY = 502;
public static final int SC_BAD_REQUEST = 400;
public static final int SC_CONFLICT = 409;
public static final int SC_CONTINUE = 100;
public static final int SC_CREATED = 201;
public static final int SC_EXPECTATION_FAILED = 417;
public static final int SC_FORBIDDEN = 403;
public static final int SC_GATEWAY_TIMEOUT = 504;
public static final int SC_GONE = 410;
public static final int SC_HTTP_VERSION_NOT_SUPPORTED = 505;
public static final int SC_INTERNAL_SERVER_ERROR = 500;
public static final int SC_LENGTH_REQUIRED = 411;
public static final int SC_METHOD_NOT_ALLOWED = 405;
public static final int SC_MOVED_PERMANENTLY = 301;
public static final int SC_MOVED_TEMPORARILY = 302;
public static final int SC_MULTIPLE_CHOICES = 300;
public static final int SC_NO_CONTENT = 204;
public static final int SC_NON_AUTHORITATIVE_INFORMATION = 203;
public static final int SC_NOT_ACCEPTABLE = 406;
public static final int SC_NOT_FOUND = 404;
public static final int SC_NOT_IMPLEMENTED = 501;
public static final int SC_NOT_MODIFIED = 304;
public static final int SC_OK = 200;
public static final int SC_PARTIAL_CONTENT = 206;
public static final int SC_PAYMENT_REQUIRED = 402;
public static final int SC_PRECONDITION_FAILED = 412;
public static final int SC_PROXY_AUTHENTICATION_REQUIRED = 407;
public static final int SC_REQUEST_ENTITY_TOO_LARGE = 413;
public static final int SC_REQUESTED_RANGE_NOT_SATISFIABLE = 416;
public static final int SC_RESET_CONTENT = 205;
public static final int SC_SEE_OTHER = 303;
public static final int SC_SERVICE_UNAVAILABLE = 503;
public static final int SC_SWITCHING_PROTOCOLS = 101;
public static final int SC_TEMPORARY_REDIRECT = 307;
public static final int SC_UNAUTHORIZED = 401;
public static final int SC_UNSUPPORTED_MEDIA_TYPE = 415;
public static final int SC_USE_PROXY = 305;
/**
* Returns the value of the requested header or null if the header was not
* specified.
*
* @param header the header to query for
* @return the value of response header
*
* @throws IllegalArgumentException if the header name is empty
* @throws NullPointerException if the header name is null
*/
public abstract String getHeader(String header);
/**
* Returns an array of HTTP headers associated with this response.
*
* @return array of HTTP headers; returns zero length array if there are no
* headers
*/
public abstract Header[] getHeaders();
/**
* Returns all headers as a single string. The individual headers are
* delimited by a CR (U+000D) LF (U+000A) pair. An individual header is
* formatted according to <a href="http://ietf.org/rfc/rfc2616"> RFC 2616</a>.
*
* @return all headers as a single string delimited by CRLF pairs
*/
public abstract String getHeadersAsString();
/**
* Returns the HTTP status code that is part of this response.
* <p>
* The value will be 0 if the request failed (e.g. network error, or the
* server <a href="http://www.w3.org/TR/cors">disallowed the request</a>) or
* has been aborted (this will generally be the case when leaving the page).
*
* @return the HTTP status code or 0
*/
public abstract int getStatusCode();
/**
* Returns the HTTP status message text.
*
* @return the HTTP status message text
*/
public abstract String getStatusText();
/**
* Returns the text associated with the response.
*
* @return the response text
*/
public abstract String getText();
}