Class java.net.HttpURLConnection
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Class java.net.HttpURLConnection
java.lang.Object
|
+----java.net.URLConnection
|
+----java.net.HttpURLConnection
public abstract class HttpURLConnection
extends URLConnection
A URLConnection with support for HTTP-specific features. See
the spec for
details.
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.
method
protected String method
responseCode
protected int responseCode
responseMessage
protected String responseMessage
HTTP_OK
public static final int HTTP_OK
2XX: generally "OK"
HTTP_CREATED
public static final int HTTP_CREATED
HTTP_ACCEPTED
public static final int HTTP_ACCEPTED
HTTP_NOT_AUTHORITATIVE
public static final int HTTP_NOT_AUTHORITATIVE
HTTP_NO_CONTENT
public static final int HTTP_NO_CONTENT
HTTP_RESET
public static final int HTTP_RESET
HTTP_PARTIAL
public static final int HTTP_PARTIAL
HTTP_MULT_CHOICE
public static final int HTTP_MULT_CHOICE
3XX: relocation/redirect
HTTP_MOVED_PERM
public static final int HTTP_MOVED_PERM
HTTP_MOVED_TEMP
public static final int HTTP_MOVED_TEMP
HTTP_SEE_OTHER
public static final int HTTP_SEE_OTHER
HTTP_NOT_MODIFIED
public static final int HTTP_NOT_MODIFIED
HTTP_USE_PROXY
public static final int HTTP_USE_PROXY
HTTP_BAD_REQUEST
public static final int HTTP_BAD_REQUEST
4XX: client error
HTTP_UNAUTHORIZED
public static final int HTTP_UNAUTHORIZED
HTTP_PAYMENT_REQUIRED
public static final int HTTP_PAYMENT_REQUIRED
HTTP_FORBIDDEN
public static final int HTTP_FORBIDDEN
HTTP_NOT_FOUND
public static final int HTTP_NOT_FOUND
HTTP_BAD_METHOD
public static final int HTTP_BAD_METHOD
HTTP_NOT_ACCEPTABLE
public static final int HTTP_NOT_ACCEPTABLE
HTTP_PROXY_AUTH
public static final int HTTP_PROXY_AUTH
HTTP_CLIENT_TIMEOUT
public static final int HTTP_CLIENT_TIMEOUT
HTTP_CONFLICT
public static final int HTTP_CONFLICT
HTTP_GONE
public static final int HTTP_GONE
HTTP_LENGTH_REQUIRED
public static final int HTTP_LENGTH_REQUIRED
HTTP_PRECON_FAILED
public static final int HTTP_PRECON_FAILED
HTTP_ENTITY_TOO_LARGE
public static final int HTTP_ENTITY_TOO_LARGE
HTTP_REQ_TOO_LONG
public static final int HTTP_REQ_TOO_LONG
HTTP_UNSUPPORTED_TYPE
public static final int HTTP_UNSUPPORTED_TYPE
HTTP_SERVER_ERROR
public static final int HTTP_SERVER_ERROR
5XX: server error
HTTP_INTERNAL_ERROR
public static final int HTTP_INTERNAL_ERROR
HTTP_BAD_GATEWAY
public static final int HTTP_BAD_GATEWAY
HTTP_UNAVAILABLE
public static final int HTTP_UNAVAILABLE
HTTP_GATEWAY_TIMEOUT
public static final int HTTP_GATEWAY_TIMEOUT
HTTP_VERSION
public static final int HTTP_VERSION
HttpURLConnection
protected HttpURLConnection(URL u)
Constructor for the URLStreamHandler.
setFollowRedirects
public static void setFollowRedirects(boolean set)
Sets whether HTTP redirects (requests with response code 3xx) should
be automatically followed by this class. True by default. Applets
cannot change this variable.
getFollowRedirects
public static boolean getFollowRedirects()
setRequestMethod
public void setRequestMethod(String method) throws 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.
getRequestMethod
public String getRequestMethod()
Get the request method.
getResponseCode
public int getResponseCode() throws 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).
getResponseMessage
public String getResponseMessage() throws 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).
disconnect
public abstract void disconnect()
Close the connection to the server.
usingProxy
public abstract boolean usingProxy()
Indicates if the connection is going through a proxy.
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