org.apache.camel.component.http4
Class HttpProducer

java.lang.Object
  org.apache.camel.impl.ServiceSupport
      org.apache.camel.impl.DefaultProducer
          org.apache.camel.component.http4.HttpProducer

All Implemented Interfaces:

IsSingleton, Processor, Producer, Service, ShutdownableService

public class HttpProducer
extends DefaultProducer

Version:

Field Summary

Fields inherited from class org.apache.camel.impl.DefaultProducer

log

Constructor Summary

HttpProducer(HttpEndpoint endpoint)

Method Summary

protected org.apache.http.client.methods.HttpRequestBase	createMethod(Exchange exchange) Creates the HttpMethod to use to call the remote server, either its GET or POST.
protected org.apache.http.HttpEntity	createRequestEntity(Exchange exchange) Creates a holder object for the data to send to the remote server.
protected org.apache.http.HttpResponse	executeMethod(org.apache.http.client.methods.HttpUriRequest httpRequest) Strategy when executing the method (calling the remote server).
protected static Object	extractResponseBody(org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.http.HttpResponse httpResponse, Exchange exchange) Extracts the response from the method as a InputStream.
protected static Map<String,String>	extractResponseHeaders(org.apache.http.Header[] responseHeaders) Extracts the response headers
HttpEndpoint	getEndpoint() Gets the endpoint this producer sends to.
org.apache.http.client.HttpClient	getHttpClient()
protected Exception	populateHttpOperationFailedException(Exchange exchange, org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.http.HttpResponse httpResponse, int responseCode)
protected void	populateResponse(Exchange exchange, org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.http.HttpResponse httpResponse, Message in, HeaderFilterStrategy strategy, int responseCode)
void	process(Exchange exchange) Processes the message exchange
void	setHttpClient(org.apache.http.client.HttpClient httpClient)

Methods inherited from class org.apache.camel.impl.DefaultProducer

createExchange, createExchange, createExchange, doStart, doStop, isSingleton, toString

Methods inherited from class org.apache.camel.impl.ServiceSupport

addChildService, doResume, doShutdown, doSuspend, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspended, isSuspending, removeChildService, resume, shutdown, start, start, stop, suspend

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.Service

start, stop

Constructor Detail

HttpProducer

public HttpProducer(HttpEndpoint endpoint)

Method Detail

process

public void process(Exchange exchange)
             throws Exception

Description copied from interface: Processor

Processes the message exchange

Parameters:

exchange - the message exchange

Throws:

Exception - if an internal processing error has occurred.

getEndpoint

public HttpEndpoint getEndpoint()

Description copied from interface: Producer

Gets the endpoint this producer sends to.

Specified by:

getEndpoint in interface Producer

Overrides:

getEndpoint in class DefaultProducer

Returns:

the endpoint

populateResponse

protected void populateResponse(Exchange exchange,
                                org.apache.http.client.methods.HttpRequestBase httpRequest,
                                org.apache.http.HttpResponse httpResponse,
                                Message in,
                                HeaderFilterStrategy strategy,
                                int responseCode)
                         throws IOException,
                                ClassNotFoundException

Throws:

IOException

ClassNotFoundException

populateHttpOperationFailedException

protected Exception populateHttpOperationFailedException(Exchange exchange,
                                                         org.apache.http.client.methods.HttpRequestBase httpRequest,
                                                         org.apache.http.HttpResponse httpResponse,
                                                         int responseCode)
                                                  throws IOException,
                                                         ClassNotFoundException

Throws:

IOException

ClassNotFoundException

executeMethod

protected org.apache.http.HttpResponse executeMethod(org.apache.http.client.methods.HttpUriRequest httpRequest)
                                              throws IOException

Strategy when executing the method (calling the remote server).

Parameters:

httpRequest - the http Request to execute

Returns:

the response

Throws:

IOException - can be thrown

extractResponseHeaders

protected static Map<String,String> extractResponseHeaders(org.apache.http.Header[] responseHeaders)

Extracts the response headers

Parameters:

responseHeaders - the headers

Returns:

the extracted headers or null if no headers existed

extractResponseBody

protected static Object extractResponseBody(org.apache.http.client.methods.HttpRequestBase httpRequest,
                                            org.apache.http.HttpResponse httpResponse,
                                            Exchange exchange)
                                     throws IOException,
                                            ClassNotFoundException

Extracts the response from the method as a InputStream.

Parameters:

httpRequest - the method that was executed

Returns:

the response either as a stream, or as a deserialized java object

Throws:

IOException - can be thrown

ClassNotFoundException

createMethod

protected org.apache.http.client.methods.HttpRequestBase createMethod(Exchange exchange)
                                                               throws URISyntaxException,
                                                                      CamelExchangeException

Creates the HttpMethod to use to call the remote server, either its GET or POST.

Parameters:

exchange - the exchange

Returns:

the created method as either GET or POST

Throws:

URISyntaxException - is thrown if the URI is invalid

CamelExchangeException - is thrown if error creating RequestEntity

createRequestEntity

protected org.apache.http.HttpEntity createRequestEntity(Exchange exchange)
                                                  throws CamelExchangeException

Creates a holder object for the data to send to the remote server.

Parameters:

exchange - the exchange with the IN message with data to send

Returns:

the data holder

Throws:

CamelExchangeException - is thrown if error creating RequestEntity

getHttpClient

public org.apache.http.client.HttpClient getHttpClient()

setHttpClient

public void setHttpClient(org.apache.http.client.HttpClient httpClient)