org.apache.camel.component.http

Class HttpProducer

java.lang.Object

org.apache.camel.support.service.BaseService

org.apache.camel.support.service.ServiceSupport

org.apache.camel.support.DefaultProducer

org.apache.camel.component.http.HttpProducer

All Implemented Interfaces:

AutoCloseable, org.apache.camel.EndpointAware, org.apache.camel.IsSingleton, org.apache.camel.Processor, org.apache.camel.Producer, org.apache.camel.Service, org.apache.camel.ShutdownableService, org.apache.camel.StatefulService, org.apache.camel.SuspendableService

public class HttpProducer
extends org.apache.camel.support.DefaultProducer

Field Summary

Fields inherited from class org.apache.camel.support.service.BaseService

BUILT, FAILED, INITIALIZED, INITIALIZING, lock, NEW, SHUTDOWN, SHUTTING_DOWN, STARTED, STARTING, status, STOPPED, STOPPING, SUSPENDED, SUSPENDING

Constructor Summary

Constructors

Constructor and Description
HttpProducer(HttpEndpoint endpoint)

Method Summary

Modifier and Type	Method and Description
protected org.apache.http.HttpHost	createHost(org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.camel.Exchange exchange) Creates the HttpHost to use to call the remote server
protected org.apache.http.client.methods.HttpRequestBase	createMethod(org.apache.camel.Exchange exchange) Creates the HttpMethod to use to call the remote server, either its GET or POST.
protected org.apache.http.HttpEntity	createRequestEntity(org.apache.camel.Exchange exchange) Creates a holder object for the data to send to the remote server.
protected void	doInit()
protected org.apache.http.HttpResponse	executeMethod(org.apache.http.HttpHost httpHost, org.apache.http.client.methods.HttpUriRequest httpRequest) Strategy when executing the method (calling the remote server).
protected Object	extractResponseBody(org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.http.HttpResponse httpResponse, org.apache.camel.Exchange exchange, boolean ignoreResponseBody) 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()
org.apache.http.client.HttpClient	getHttpClient()
protected Exception	populateHttpOperationFailedException(org.apache.camel.Exchange exchange, org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.http.HttpResponse httpResponse, int responseCode)
protected void	populateResponse(org.apache.camel.Exchange exchange, org.apache.http.client.methods.HttpRequestBase httpRequest, org.apache.http.HttpResponse httpResponse, org.apache.camel.Message in, org.apache.camel.spi.HeaderFilterStrategy strategy, int responseCode)
void	process(org.apache.camel.Exchange exchange)
void	setHttpClient(org.apache.http.client.HttpClient httpClient)

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

createExchange, doStart, doStop, isSingleton, toString

Methods inherited from class org.apache.camel.support.service.BaseService

build, doBuild, doFail, doLifecycleChange, doResume, doShutdown, doSuspend, fail, getStatus, init, isBuild, isInit, isNew, isRunAllowed, isShutdown, isStarted, isStarting, isStartingOrStarted, isStopped, isStopping, isStoppingOrStopped, isSuspended, isSuspending, isSuspendingOrSuspended, resume, shutdown, 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

build, close, init, start, stop

Methods inherited from interface org.apache.camel.IsSingleton

test

Methods inherited from interface org.apache.camel.StatefulService

getStatus, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspending

Methods inherited from interface org.apache.camel.SuspendableService

isSuspended, resume, suspend

Methods inherited from interface org.apache.camel.ShutdownableService

shutdown

Constructor Detail

HttpProducer

public HttpProducer(HttpEndpoint endpoint)

Method Detail

doInit

protected void doInit()
               throws Exception

Overrides:

doInit in class org.apache.camel.support.service.BaseService

Throws:

Exception

process

public void process(org.apache.camel.Exchange exchange)
             throws Exception

Throws:

Exception

getEndpoint

public HttpEndpoint getEndpoint()

Specified by:

getEndpoint in interface org.apache.camel.EndpointAware

Overrides:

getEndpoint in class org.apache.camel.support.DefaultProducer

populateResponse

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

Throws:

IOException

ClassNotFoundException

populateHttpOperationFailedException

protected Exception populateHttpOperationFailedException(org.apache.camel.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.HttpHost httpHost,
                                                     org.apache.http.client.methods.HttpUriRequest httpRequest)
                                              throws IOException

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

Parameters:

httpHost - the http host to call

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

Extracts the response from the method as a InputStream.

Throws:

IOException

ClassNotFoundException

createHost

protected org.apache.http.HttpHost createHost(org.apache.http.client.methods.HttpRequestBase httpRequest,
                                              org.apache.camel.Exchange exchange)

Creates the HttpHost to use to call the remote server

createMethod

protected org.apache.http.client.methods.HttpRequestBase createMethod(org.apache.camel.Exchange exchange)
                                                               throws Exception

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

Exception - is thrown if error creating RequestEntity

createRequestEntity

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

org.apache.camel.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)