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udayar_jayamudayar_jayam 

connection between salesforce to external system

Hi All,

       For the first time i am doing integration.  Im having a consumer key and secret key of external system.Now I want to do initial connection between salesforce to external system using REST API, how to acheive this. Kindly give me any links and sample programs. I have seen the rest api documentation but i dont get any idea. Thanks in advance 

 Please guide me am i doing right  or wrong.i write a apex class and vf page but i getting this error  

 

Assertion Failed: System.HttpResponse[Status=Found, StatusCode=302]

Error is in expression '{!doRequest}' in component <apex:page> in page xerocontroller
 
Apex Class:

public class xeroController {

public String Headers {get; set;}
public String Response {get; set;}

public void doRequest() {
String data = '{'
+ '\n' + '"website":"https://api.xero.com/api.xro/2.0/",'
+ '\n' + '"segment":['
+ '\n' + ' {'
+ '\n' + ' "did":{'
+ '\n' + ' "operator":"AND",'
+ '\n' + ' "filters":['
+ '\n' + ' {'
+ '\n' + ' "scope":"actions",'
+ '\n' + ' "key":"name",'
+ '\n' + ' "match":"match",'
+ '\n' + ' "value":"quote"'
+ '\n' + ' }'
+ '\n' + ' ]'
+ '\n' + ' },'
+ '\n' + ' "are":{'
+ '\n' + ' "operator":"AND",'
+ '\n' + ' "filters":[]'
+ '\n' + ' }'
+ '\n' + ' }'
+ '\n' + '],'
+ '\n' + '"offset":0,'
+ '\n' + '"report_id":-1' +
'}';

System.HttpRequest request = new System.HttpRequest();
request.setBody(data);
request.setMethod('POST');
request.setEndpoint('https://api.xero.com/api.xro/2.0/');
request.setHeader('X-Api-Version', '2.0');
request.setHeader('X-Access-Id', 'UEOJMV6KBZKSD7VAWKHYLZ64TZSS9I ');
request.setHeader('X-Access-Secret', 'T6PVV8JMI3LV776V922OW3TR8OGY5L');

System.HttpResponse response = new System.Http().send(request);
System.assert(false, response); //remove this once you fix the 403
this.Response = response.getBody();
}
}

 

VF Page:

<apex:page controller="xeroController" action="{!doRequest}" contentType="text/plain">
  {!Headers}
  {!Response}
</apex:page>