org.apache.camel.component.gae.http
Class GHttpBinding

java.lang.Object
  org.apache.camel.component.gae.http.GHttpBinding

All Implemented Interfaces:

InboundBinding<GHttpEndpoint,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>, OutboundBinding<GHttpEndpoint,com.google.appengine.api.urlfetch.HTTPRequest,com.google.appengine.api.urlfetch.HTTPResponse>

public class GHttpBinding
extends Object
implements OutboundBinding<GHttpEndpoint,com.google.appengine.api.urlfetch.HTTPRequest,com.google.appengine.api.urlfetch.HTTPResponse>, InboundBinding<GHttpEndpoint,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

Binds the HTTPRequest/HTTPResponse pair of the URL fetch service to a Camel Exchange.

Constructor Summary

GHttpBinding()

Method Summary

protected com.google.appengine.api.urlfetch.HTTPMethod	getRequestMethod(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange)
protected URL	getRequestUrl(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange)
protected String	getResponseHeader(String name, com.google.appengine.api.urlfetch.HTTPResponse response)
org.apache.camel.Exchange	readRequest(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, javax.servlet.http.HttpServletRequest request) Populates an Exchange from request data and endpoint configuration data.
protected void	readRequestHeaders(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, javax.servlet.http.HttpServletRequest request)
org.apache.camel.Exchange	readResponse(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, com.google.appengine.api.urlfetch.HTTPResponse response) Reads data from response and writes it to the out-message of the exchange.
protected void	readResponseBody(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, com.google.appengine.api.urlfetch.HTTPResponse response)
protected void	readResponseHeaders(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, com.google.appengine.api.urlfetch.HTTPResponse response)
com.google.appengine.api.urlfetch.HTTPRequest	writeRequest(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, com.google.appengine.api.urlfetch.HTTPRequest request) Reads data from exchange and writes it to a newly created HTTPRequest instance.
protected void	writeRequestBody(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, com.google.appengine.api.urlfetch.HTTPRequest request)
protected void	writeRequestHeaders(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, com.google.appengine.api.urlfetch.HTTPRequest request)
javax.servlet.http.HttpServletResponse	writeResponse(GHttpEndpoint endpoint, org.apache.camel.Exchange exchange, javax.servlet.http.HttpServletResponse response) Creates or populates a response object from Exchange and endpoint configuration data.

Methods inherited from class java.lang.Object

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

Constructor Detail

GHttpBinding

public GHttpBinding()

Method Detail

readResponse

public org.apache.camel.Exchange readResponse(GHttpEndpoint endpoint,
                                              org.apache.camel.Exchange exchange,
                                              com.google.appengine.api.urlfetch.HTTPResponse response)
                                       throws Exception

Reads data from response and writes it to the out-message of the exchange.

Specified by:

readResponse in interface OutboundBinding<GHttpEndpoint,com.google.appengine.api.urlfetch.HTTPRequest,com.google.appengine.api.urlfetch.HTTPResponse>

Parameters:

endpoint -

exchange -

response -

Returns:

the original exchange instance populated with response data.

Throws:

GHttpException - if the response code is >= 400 and HttpEndpoint.isThrowExceptionOnFailure() returns true.

Exception

writeRequest

public com.google.appengine.api.urlfetch.HTTPRequest writeRequest(GHttpEndpoint endpoint,
                                                                  org.apache.camel.Exchange exchange,
                                                                  com.google.appengine.api.urlfetch.HTTPRequest request)
                                                           throws Exception

Reads data from exchange and writes it to a newly created HTTPRequest instance. The request parameter is ignored.

Specified by:

writeRequest in interface OutboundBinding<GHttpEndpoint,com.google.appengine.api.urlfetch.HTTPRequest,com.google.appengine.api.urlfetch.HTTPResponse>

Parameters:

endpoint -

exchange -

request - ignored.

Returns:

a newly created HTTPRequest instance containing data from exchange.

Throws:

Exception

readRequest

public org.apache.camel.Exchange readRequest(GHttpEndpoint endpoint,
                                             org.apache.camel.Exchange exchange,
                                             javax.servlet.http.HttpServletRequest request)

Description copied from interface: InboundBinding

Populates an Exchange from request data and endpoint configuration data.

Specified by:

readRequest in interface InboundBinding<GHttpEndpoint,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

Parameters:

endpoint - endpoint providing binding-relevant information.

exchange - exchange to be populated or created (if null) from request data.

request - request to read data from.

Returns:

the populated exchange.

writeResponse

public javax.servlet.http.HttpServletResponse writeResponse(GHttpEndpoint endpoint,
                                                            org.apache.camel.Exchange exchange,
                                                            javax.servlet.http.HttpServletResponse response)

Description copied from interface: InboundBinding

Creates or populates a response object from Exchange and endpoint configuration data.

Specified by:

writeResponse in interface InboundBinding<GHttpEndpoint,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

Parameters:

endpoint - endpoint providing binding-relevant information.

exchange - exchange to read data from.

response - to be populated or created (if null) from exchange data.

Returns:

the populated response.

readResponseHeaders

protected void readResponseHeaders(GHttpEndpoint endpoint,
                                   org.apache.camel.Exchange exchange,
                                   com.google.appengine.api.urlfetch.HTTPResponse response)

readRequestHeaders

protected void readRequestHeaders(GHttpEndpoint endpoint,
                                  org.apache.camel.Exchange exchange,
                                  javax.servlet.http.HttpServletRequest request)

writeRequestHeaders

protected void writeRequestHeaders(GHttpEndpoint endpoint,
                                   org.apache.camel.Exchange exchange,
                                   com.google.appengine.api.urlfetch.HTTPRequest request)

readResponseBody

protected void readResponseBody(GHttpEndpoint endpoint,
                                org.apache.camel.Exchange exchange,
                                com.google.appengine.api.urlfetch.HTTPResponse response)
                         throws Exception

Throws:

Exception

writeRequestBody

protected void writeRequestBody(GHttpEndpoint endpoint,
                                org.apache.camel.Exchange exchange,
                                com.google.appengine.api.urlfetch.HTTPRequest request)

getRequestUrl

protected URL getRequestUrl(GHttpEndpoint endpoint,
                            org.apache.camel.Exchange exchange)
                     throws Exception

Throws:

Exception

getRequestMethod

protected com.google.appengine.api.urlfetch.HTTPMethod getRequestMethod(GHttpEndpoint endpoint,
                                                                        org.apache.camel.Exchange exchange)

getResponseHeader

protected String getResponseHeader(String name,
                                   com.google.appengine.api.urlfetch.HTTPResponse response)