How to trigger a web service from stand alone java

/*
Class EndPoint
*/

package better.faster.smarter.development;

public class EndPoint {
private String hostName="";
public void setHostName(String hostName){
this.hostName=hostName;
}
public String getHostName(){
return this.hostName;
}
}

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/*

Class ExecuteWebService

*/

package better.faster.smarter.development;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.net.URL;

import java.net.URLConnection;

public class ExecuteWebService {

//soapRequest is a string which is used for executing the web service

@SuppressWarnings("deprecation")

protected static String executeWebService(String soapRequest,EndPoint endPt,String signature)

{

String responseString="";

String hostName="";

URL url=null;

URLConnection urlC=null;

DataOutputStream out =null;

DataInputStream in = null;

String str="";

try{

//Validate the endPoint

if(null==endPt)

throw new RuntimeException("Cannot proceed with executing the web service as the end point is null");

//Get the hostName

hostName=endPt.getHostName();

//Validate the endPoint here as well

if("".equalsIgnoreCase(hostName))

throw new RuntimeException("Cannot proceed with executing the web service as the end point is empty");

//Validate the soap Request

if("".equalsIgnoreCase(soapRequest))

throw new RuntimeException("Cannot proceed with executing the web service as the soap request is invalid");

//Get the header value if header is present then add SOAPHeader else trigger direct soap request

if(signature==null)

signature="";

if(!"".equalsIgnoreCase(signature))

{

soapRequest = "<SOAP:Envelope xmlns:SOAP=\"http://schemas.xmlsoap.org/soap/envelope/\">" +

"<SOAP:Header><wsse:Security xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\">" +

                   signature + "</wsse:Security></SOAP:Header><SOAP:Body>" + soapRequest + "</SOAP:Body></SOAP:Envelope>";

}

//Both soap request and end point are valid if the control comes here

//Initialize url and also urlConnection and all the related parameters. Hard coded few of them as 

//they are rarely used in our application

url = new URL(hostName);

urlC = url.openConnection();

urlC.setRequestProperty("Content-Type", "text/xml");

urlC.setDoInput(true);

urlC.setDoOutput(true);

urlC.setUseCaches(false);

out = new DataOutputStream(urlC.getOutputStream());

out.writeBytes(soapRequest);

in = new DataInputStream(urlC.getInputStream());

responseString="";

while(null!=((str=in.readLine())))

responseString+= str+"\n";

}

catch(Exception e)

{

CustomLogger.logEntry("Exception while executing the soap request with details "+e.getMessage());

}

finally{

hostName=null;

url=null;

urlC=null;

}

return responseString;

}

}

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/*

Class TriggerAssertion

*/

package better.faster.smarter.development;

public class TriggerAssertion {

public static void main(String[] args) {

// TODO Auto-generated method stub

EndPoint endPt = new EndPoint();

endPt.setHostName("http://192.168.1.10/cordys/com.eibus.web.soap.Gateway.wcp?");

String userName="icici";

String userPass="icici";

String requestString =

               "<SOAP:Envelope xmlns:SOAP=\"http://schemas.xmlsoap.org/soap/envelope/\">" +

               "<SOAP:Header>" +

               "<wsse:Security xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\">" +

               "<wsse:UsernameToken xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\">" +

               "<wsse:Username>" + userName + "</wsse:Username>" +

               "<wsse:Password>" + userPass + "</wsse:Password>" +

               "</wsse:UsernameToken>" +

               "</wsse:Security>" +

               "</SOAP:Header>" +

               "<SOAP:Body>" +

               "<samlp:Request xmlns:samlp=\"urn:oasis:names:tc:SAML:1.0:protocol\" MajorVersion=\"1\" MinorVersion=\"1\">" +

               "<samlp:AuthenticationQuery>" +

               "<saml:Subject xmlns:saml=\"urn:oasis:names:tc:SAML:1.0:assertion\">" +

               "<saml:NameIdentifier Format=\"urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified\">" + userName + "</saml:NameIdentifier>" +

               "</saml:Subject>" +

               "</samlp:AuthenticationQuery>" +

               "</samlp:Request>" +

               "</SOAP:Body>" +

               "</SOAP:Envelope>";

String responseString = ExecuteWebService.executeWebService(requestString,endPt,"");

String getUserDetails="<GetUserDetails xmlns=\"http://schemas.cordys.com/notification/workflow/1.0\"></GetUserDetails>";

String sos= "<SOAP:Envelope xmlns:SOAP=\"http://schemas.xmlsoap.org/soap/envelope/\">" +

                "<SOAP:Body>" + getUserDetails + "</SOAP:Body></SOAP:Envelope>";

int ssss = responseString.indexOf("<Signature");

        int k = responseString.indexOf("</samlp:AssertionArtifact>");

        String sigresponse = responseString.substring(ssss, k+26);

responseString=ExecuteWebService.executeWebService(getUserDetails,endPt,sigresponse);

System.out.println(responseString);

}

}