CalculatorClient.java

import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;
import javax.xml.rpc.ParameterMode;

public class CalculatorClient extends javax.swing.JFrame {

    private String endPoint,operasi;
    private Service service;
    private double hasil, tmp;
    private boolean berubah;

    public CalculatorClient() {
        initComponents();
        endPoint = "http://localhost:8080/axis/Hitung.jws";
        service = new Service();
        hasil = tmp = 0.0;
        berubah = false;
        operasi = "";
    }

    private double request(String op, double a, double b) {
        Double nilai = 0.0;
        try {
            Call call = (Call) service.createCall();
            call.setTargetEndpointAddress(new java.net.URL(endPoint));
            call.setOperationName(op);
            call.addParameter("op1", XMLType.XSD_DOUBLE, ParameterMode.IN);
            call.addParameter("op2", XMLType.XSD_DOUBLE, ParameterMode.IN);
            call.setReturnType(XMLType.XSD_DOUBLE);
            nilai = (Double) call.invoke(new Object[]{a, b});
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return nilai;
    }

    private void klikTombol(java.awt.event.ActionEvent evt){
        String no = evt.getActionCommand();
        if (tmp == 0) {
            txtHasil.setText(no);
        } else {
            txtHasil.setText(txtHasil.getText() + no);
        }
        tmp = Double.parseDouble(txtHasil.getText());
        berubah = true;
    }

    private void klikOperator(java.awt.event.ActionEvent evt){
        String op = evt.getActionCommand();
        if (!txtKeterangan.getText().endsWith(op+" ") && txtKeterangan.getText().length() > 2 && !berubah) {
            txtKeterangan.setText(txtKeterangan.getText().substring(0, txtKeterangan.getText().length() - 3) + " "+op+" ");
        } else if (berubah) {
            if (txtKeterangan.getText().trim().length() == 0) {
                hasil = tmp;
            } else {
                hasil = request(operasi, hasil, tmp);
                txtHasil.setText(hasil + "");
            }
            txtKeterangan.setText(txtKeterangan.getText() + String.format("%.0f", tmp) + " "+op+" ");
            tmp = 0;
        }
        if(op.equals("+")){
            operasi = "tambah";
        }else if(op.equals("-")){
            operasi = "kurang";
        }else if(op.equals("*")){
            operasi = "kali";
        }else{
            operasi = "bagi";
        }
        berubah = false;
    }

//code untuk event click tombol digit input 
    private void tombol1ActionPerformed(java.awt.event.ActionEvent evt) {
        klikTombol(evt);
    }

    private void tombol2ActionPerformed(java.awt.event.ActionEvent evt) {
        klikTombol(evt);
    }

    private void tombol3ActionPerformed(java.awt.event.ActionEvent evt) {
        klikTombol(evt);
    }
//lengkapi untuk tombol 4 sampai tombol 0

//tombol C, untuk menghapus
    private void tombolCActionPerformed(java.awt.event.ActionEvent evt) {
        tmp = 0;
        hasil = 0;
        txtHasil.setText("0");
        txtKeterangan.setText("");
    }

//tombol operasi tambah
    private void tombolTambahActionPerformed(java.awt.event.ActionEvent evt) {
        klikOperator(evt);
    }

//tombol operasi kurang
    private void tombolKurangActionPerformed(java.awt.event.ActionEvent evt) {
        klikOperator(evt);
    }
//lengkapi untuk operasi kali dan bagi