client.java

An Example of a Loan Processing Service Using Globus Toolkit for Grid Services

package loan.impl;

import java.net.URL;

import org.globus.ogsa.utils.AnyHelper;
import org.globus.ogsa.utils.MessageUtils;
import org.globus.ogsa.utils.QueryHelper;

import org.gridforum.ogsi.ExtensibilityType;
import org.gridforum.ogsi.GridService;
import org.gridforum.ogsi.HandleType;
import org.gridforum.ogsi.OGSIServiceGridLocator;
import org.gridforum.ogsi.ServiceDataValuesType;

import grid.loan.LoanPortType;
import grid.loan.service.LoanServiceLocator;
import grid.loan.domain.LoanType;

public class Client {

    public static void main(String[] args) {

		int loanNumber=-99;
		double amount=-99.0;

        if (args.length < 2) {
            System.err.println("usage: Client <handle> createLoan LoanNumber UPBAmount");
            System.err.println("usage: Client <handle> processLoanPayment LoanNumber Amount");
            System.err.println("usage: Client <handle> getLoan LoanNumber ");
            return;
        }


        loanNumber = Integer.parseInt(args[2]);

        try {
            LoanServiceLocator loanLocator = new LoanServiceLocator();
            OGSIServiceGridLocator gridLocator = new OGSIServiceGridLocator();
            GridService gridService =
                gridLocator.getGridServicePort(new HandleType(args[0]));
            LoanPortType loanPT =
                loanLocator.getLoanPort(gridLocator.getEndpoint());

            if (args[1].equalsIgnoreCase("createLoan")) {
				amount = Double.parseDouble(args[3]);
                System.out.println("Loan " + loanPT.createLoan(loanNumber, amount) + " created successfully.");
            }else if (args[1].equalsIgnoreCase("processLoanPayment")) {
				amount = Double.parseDouble(args[3]);
                System.out.println("Loan " + loanPT.processLoanPayment(loanNumber, amount) + " processed successfully.");
            } else if (args[1].equalsIgnoreCase("getLoanData")) {
				LoanType loan = loanPT.getLoan(loanNumber);
                System.out.println("Loan Data ");
                System.out.println("  Create Date " + loan.getCreateDate());
                System.out.println("  Unpaid Principal Balance " + loan.getUPB());
                System.out.println("  Status " + loan.getStatus());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}