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Class java.net.HttpURLConnection

java.lang.Object
   |
   +----java.net.URLConnection
           |
           +----java.net.HttpURLConnection

public class HttpURLConnection

extends URLConnection

HTTP_ACCEPTED

HTTP_BAD_GATEWAY

HTTP_BAD_METHOD

HTTP_BAD_REQUEST

4XX: client error

HTTP_CLIENT_TIMEOUT

HTTP_CONFLICT

HTTP_CREATED

HTTP_ENTITY_TOO_LARGE

HTTP_FORBIDDEN

HTTP_GATEWAY_TIMEOUT

HTTP_GONE

HTTP_INTERNAL_ERROR

HTTP_LENGTH_REQUIRED

HTTP_MOVED_PERM

HTTP_MOVED_TEMP

HTTP_MULT_CHOICE

3XX: relocation/redirect

HTTP_NO_CONTENT

HTTP_NOT_ACCEPTABLE

HTTP_NOT_AUTHORITATIVE

HTTP_NOT_FOUND

HTTP_NOT_MODIFIED

HTTP_OK

2XX: generally "OK"

HTTP_PARTIAL

HTTP_PAYMENT_REQUIRED

HTTP_PRECON_FAILED

HTTP_PROXY_AUTH

HTTP_REQ_TOO_LONG

HTTP_RESET

HTTP_SEE_OTHER

HTTP_SERVER_ERROR

5XX: server error

HTTP_UNAUTHORIZED

HTTP_UNAVAILABLE

HTTP_UNSUPPORTED_TYPE

HTTP_USE_PROXY

HTTP_VERSION

method

responseCode

responseMessage

HttpURLConnection(URL)

Constructor for the URLStreamHandler.

disconnect()

Close the connection to the server.

getFollowRedirects()

getRequestMethod()

Get the request method.

getResponseCode()

Gets HTTP response status.

getResponseMessage()

Gets the HTTP response message, if any, returned along with the response code from a server.

setFollowRedirects(boolean)

Sets whether HTTP redirects (requests with response code 3xx) should be automatically followed by this class.

setRequestMethod(String)

Set the method for the URL request, one of:

• GET
• POST
• HEAD
• OPTIONS
• PUT
• DELETE
• TRACE

are legal, subject to protocol restrictions.

usingProxy()

Indicates if the connection is going through a proxy.

Properties Inheritable 
    method=String 

Properties Inheritable 
   responseCode=int 

Properties Inheritable 
    responseMessage=String 

Properties Public Constant 
   HTTP_OK=int 

2XX: generally "OK"

Properties Public Constant 
   HTTP_CREATED=int 

Properties Public Constant 
   HTTP_ACCEPTED=int 

Properties Public Constant 
   HTTP_NOT_AUTHORITATIVE=int 

Properties Public Constant 
   HTTP_NO_CONTENT=int 

Properties Public Constant 
   HTTP_RESET=int 

Properties Public Constant 
   HTTP_PARTIAL=int 

Properties Public Constant 
   HTTP_MULT_CHOICE=int 

3XX: relocation/redirect

Properties Public Constant 
   HTTP_MOVED_PERM=int 

Properties Public Constant 
   HTTP_MOVED_TEMP=int 

Properties Public Constant 
   HTTP_SEE_OTHER=int 

Properties Public Constant 
   HTTP_NOT_MODIFIED=int 

Properties Public Constant 
   HTTP_USE_PROXY=int 

Properties Public Constant 
   HTTP_BAD_REQUEST=int 

4XX: client error

Properties Public Constant 
   HTTP_UNAUTHORIZED=int 

Properties Public Constant 
   HTTP_PAYMENT_REQUIRED=int 

Properties Public Constant 
   HTTP_FORBIDDEN=int 

Properties Public Constant 
   HTTP_NOT_FOUND=int 

Properties Public Constant 
   HTTP_BAD_METHOD=int 

Properties Public Constant 
   HTTP_NOT_ACCEPTABLE=int 

Properties Public Constant 
   HTTP_PROXY_AUTH=int 

Properties Public Constant 
   HTTP_CLIENT_TIMEOUT=int 

Properties Public Constant 
   HTTP_CONFLICT=int 

Properties Public Constant 
   HTTP_GONE=int 

Properties Public Constant 
   HTTP_LENGTH_REQUIRED=int 

Properties Public Constant 
   HTTP_PRECON_FAILED=int 

Properties Public Constant 
   HTTP_ENTITY_TOO_LARGE=int 

Properties Public Constant 
   HTTP_REQ_TOO_LONG=int 

Properties Public Constant 
   HTTP_UNSUPPORTED_TYPE=int 

Properties Public Constant 
   HTTP_SERVER_ERROR=int 

5XX: server error

Properties Public Constant 
   HTTP_INTERNAL_ERROR=int 

Properties Public Constant 
   HTTP_BAD_GATEWAY=int 

Properties Public Constant 
   HTTP_UNAVAILABLE=int 

Properties Public Constant 
   HTTP_GATEWAY_TIMEOUT=int 

Properties Public Constant 
   HTTP_VERSION=int 

    method HttpURLConnection(u=URL) Inheritable 

Constructor for the URLStreamHandler.

    method setFollowRedirects(set=boolean)  public  static   

Sets whether HTTP redirects (requests with response code 3xx) should be automatically followed by this class. False by default. Applets cannot change this variable.

    method getFollowRedirects() returns boolean public  static   

    method setRequestMethod(method=String)  public     Signals ProtocolException

Set the method for the URL request, one of:

• GET
• POST
• HEAD
• OPTIONS
• PUT
• DELETE
• TRACE

are legal, subject to protocol restrictions. The default method is GET.

Throws: ProtocolException

if the method cannot be reset or if the requested method isn't valid for HTTP.

    method getRequestMethod() returns String public     

Get the request method.

    method getResponseCode() returns int public     Signals IOException

Gets HTTP response status. From responses like:

 HTTP/1.0 200 OK
 HTTP/1.0 401 Unauthorized
 

Extracts the ints 200 and 401 respectively. Returns -1 if none can be discerned from the response (i.e., the response is not valid HTTP).

    method getResponseMessage() returns String public     Signals IOException

Gets the HTTP response message, if any, returned along with the response code from a server. From responses like:

 HTTP/1.0 200 OK
 HTTP/1.0 404 Not Found
 

Extracts the Strings "OK" and "Not Found" respectively. Returns null if none could be discerned from the responses (the result was not valid HTTP).

    method disconnect()  public abstract    

Close the connection to the server.

    method usingProxy() returns boolean public abstract    

Indicates if the connection is going through a proxy.

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