📄 soapclientservlet.java
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import java.io.*;
import java.net.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.soap.*;
import org.apache.soap.rpc.*;
public class SoapClientServlet extends HttpServlet {
public void doPost (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("</head>");
out.println("<body>");
out.println("Exchange rate for Japan is: " +
getExchangeRate("JP") +
" Yen/Dollar");
out.println("</body>");
out.println("</html>");
out.close();
}
private String getExchangeRate(String country) {
String rateString;
try{
URL url = new URL( "http://localhost:8080/soap/servlet/rpcrouter" );
String encodingStyleURI = Constants.NS_URI_SOAP_ENC;
URLConnection connection = url.openConnection();
// Build the call.
Call call = new Call();
call.setTargetObjectURI("SoapExchangeRate");
call.setMethodName("getExchangeRate");
Vector params = new Vector();
call.setEncodingStyleURI(encodingStyleURI);
params.addElement(new Parameter("country", String.class, country, null));
call.setParams (params);
Response resp = call.invoke (url, "");
if (resp.generatedFault()) {
Fault fault = resp.getFault();
rateString = fault.getFaultString();
} else {
Parameter result = resp.getReturnValue();
rateString = ((Double)result.getValue()).toString();
}
} catch(Exception e) {
rateString = e.getMessage();
}
return rateString;
}
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doPost( request, response );
}
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