public abstract class HttpServletBase extends HttpServlet implements HasDynamicAuthorization, ErrorResponseHandler, SupportsPatch
HttpServlet
implementations, providing
SupportsPatch
and HasDynamicAuthorization
support.USE_DEFAULT_CONSTRAINTS
PATCH
Modifier | Constructor and Description |
---|---|
protected |
HttpServletBase() |
Modifier and Type | Method and Description |
---|---|
void |
doPatch(HttpServletRequest request,
HttpServletResponse response)
Perform a HTTP PATCH operation.
|
AuthorizationConstraint |
getConstraint(HttpServletRequest request)
Determine the
AuthorizationConstraint that applies to a resource. |
boolean |
onError(HttpServletRequest request,
HttpServletResponse response,
int statusCode,
Throwable cause)
Called when the runtime is about to raise an error condition (i.e report an
HTTP status code in the 400-499 range).
|
protected void |
service(HttpServletRequest req,
HttpServletResponse resp) |
doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service
destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log
public void doPatch(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
SupportsPatch
doPatch
in interface SupportsPatch
request
- an HttpServletRequest
object that contains the request the
client has made of the servletresponse
- an HttpServletResponse
object that contains the response
the servlet sends to the clientServletException
- if the request for the PATCH could not be handledIOException
- if an input or output error is detected when the servlet handles
the PATCH requestpublic AuthorizationConstraint getConstraint(HttpServletRequest request) throws ServletException, IOException
HasDynamicAuthorization
AuthorizationConstraint
that applies to a resource.getConstraint
in interface HasDynamicAuthorization
request
- an HttpServletRequest
object that contains the request the
client has made of the servletAuthorizationConstraint
instance if a constraint applies to
the request. null
if no constraint applies to the
request. HasDynamicAuthorization.USE_DEFAULT_CONSTRAINTS
if
this method cannot determine what constraint applies to the
request, and therefore the runtime's default
AuthorizationConstraint
discovery logic will be applied to
the request.ServletException
- if the request for the dynamic privilege could not be handledIOException
- if an input or output error is detected when the servlet
determines the AuthorizationConstraint
public boolean onError(HttpServletRequest request, HttpServletResponse response, int statusCode, Throwable cause) throws ServletException, IOException
ErrorResponseHandler
onError
in interface ErrorResponseHandler
request
- The HttpServletRequest
for the current requestresponse
- The HttpServletResponse
for the current responsestatusCode
- The HTTP status code to be raisedcause
- The cause of the error condition, may be nulltrue
. If this method does not
handle the error condition this method must return
false
. In which case the standard runtime's error
handling will be invokedServletException
IOException
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
service
in class HttpServlet
ServletException
IOException
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