org.apache.hadoop.fs.http.server
Class HttpFSExceptionProvider

java.lang.Object
  org.apache.hadoop.lib.wsrs.ExceptionProvider
      org.apache.hadoop.fs.http.server.HttpFSExceptionProvider

All Implemented Interfaces:

javax.ws.rs.ext.ExceptionMapper<Throwable>

@Provider
@InterfaceAudience.Private
public class HttpFSExceptionProvider
extends ExceptionProvider

JAX-RS ExceptionMapper implementation that maps HttpFSServer's exceptions to HTTP status codes.

Constructor Summary

HttpFSExceptionProvider()

Method Summary

protected void	log(javax.ws.rs.core.Response.Status status, Throwable throwable) Logs the HTTP status code and exception in HttpFSServer's log.
javax.ws.rs.core.Response	toResponse(Throwable throwable) Maps different exceptions thrown by HttpFSServer to HTTP status codes.

Methods inherited from class org.apache.hadoop.lib.wsrs.ExceptionProvider

createResponse, getOneLineMessage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HttpFSExceptionProvider

public HttpFSExceptionProvider()

Method Detail

toResponse

public javax.ws.rs.core.Response toResponse(Throwable throwable)

Maps different exceptions thrown by HttpFSServer to HTTP status codes.

• SecurityException : HTTP UNAUTHORIZED
• FileNotFoundException : HTTP NOT_FOUND
• IOException : INTERNAL_HTTP SERVER_ERROR
• UnsupporteOperationException : HTTP BAD_REQUEST
• all other exceptions : HTTP INTERNAL_SERVER_ERROR

Specified by:

toResponse in interface javax.ws.rs.ext.ExceptionMapper<Throwable>

Overrides:

toResponse in class ExceptionProvider

Parameters:

throwable - exception thrown.

Returns:

mapped HTTP status code

log

protected void log(javax.ws.rs.core.Response.Status status,
                   Throwable throwable)

Logs the HTTP status code and exception in HttpFSServer's log.

Overrides:

log in class ExceptionProvider

Parameters:

status - HTTP status code.

throwable - exception thrown.