/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "SOAP" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2000, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package samples.excelwebservice;
import java.io.*;
import java.net.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import org.apache.soap.util.xml.*;
import org.apache.soap.*;
import org.apache.soap.rpc.*;
/**
* This silly little calculator talks to a SOAP calculator service to
* do the real operations.
*/
public class Calculator extends Frame {
String encodingStyleURI;
URL url;
TextField ef = new TextField();
int state = 0; // 0 => got 0 args, 1 => got 1 arg
double arg1 = Double.NaN;
boolean dotpressed = false;
String lastop;
Label status;
boolean freshstart = true;
public Calculator(String title) {
super(title);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
ef.setEditable(false);
add("North", ef);
Panel p = new Panel();
p.setLayout(new GridLayout(-1, 4, 5, 5));
String bs[] = {"7", "8", "9", "/",
"4", "5", "6", "*",
"1", "2", "3", "-",
"0", "+/-", ".", "+"};
for (int i = 0; i < bs.length; i++) {
Button b = new Button(" " + bs[i] + " ");
ActionListener al = null;
if ((i != 3) && (i != 7) && (i != 11) && (i != 13) && (i != 14) &&
(i != 15)) {
// digit pressed
b.setActionCommand(bs[i]);
al = new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (freshstart) {
ef.setText("");
freshstart = false;
}
Button bb = (Button) e.getSource();
ef.setText(ef.getText() + bb.getActionCommand());
status.setText("");
}
};
} else if (i == 14) {
// '.' pressed
al = new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (freshstart) {
ef.setText("");
freshstart = false;
}
status.setText("");
if (dotpressed) {
return;
} else {
dotpressed = true;
ef.setText(ef.getText() + '.');
}
}
};
} else if (i == 13) {
// +/- pressed
al = new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (freshstart) {
ef.setText("");
freshstart = false;
}
String t = ef.getText();
if (t.charAt(0) == '-') {
ef.setText(t.substring(1));
} else {
ef.setText('-' + t);
}
status.setText("");
}
};
} else {
// operation
String ac = null;
if (bs[i].equals("/")) {
ac = "divide";
} else if (bs[i].equals("*")) {
ac = "times";
} else if (bs[i].equals("-")) {
ac = "minus";
} else {
ac = "plus";
}
b.setActionCommand(ac);
al = new ActionListener() {
public void actionPerformed(ActionEvent e) {
Button bb = (Button) e.getSource();
double arg = stringToDouble(ef.getText());
if (state == 0) {
arg1 = arg;
lastop = bb.getActionCommand();
freshstart = true;
state = 1;
} else {
try {
status.setText("Working ..");
arg1 = doOp(lastop, arg1, arg);
lastop = bb.getActionCommand();
ef.setText("" + arg1);
freshstart = true;
status.setText("");
} catch (SOAPException e2) {
status.setText("Ouch, excepted: " + e2.getMessage());
e2.printStackTrace();
}
}
}
};
}
b.addActionListener(al);
p.add(b);
}
add("Center", p);
add("South", status = new Label("Ready .."));
pack();
show();
}
private double doOp(String op, double arg1, double arg2)
throws SOAPException {
// Build the call.
Call call = new Call();
call.setTargetObjectURI("urn:excelcalculatorwebservice");
call.setMethodName(op);
call.setEncodingStyleURI(encodingStyleURI);
Vector params = new Vector();
params.addElement(new Parameter("arg1", double.class,
new Double(arg1), null));
params.addElement(new Parameter("arg2", double.class,
new Double(arg2), null));
call.setParams(params);
// make the call: note that the action URI is empty because the
// XML-SOAP rpc router does not need this. This may change in the
// future.
Response resp = call.invoke(/* router URL */ url, /* actionURI */ "");
// Check the response.
if (resp.generatedFault()) {
Fault fault = resp.getFault();
System.out.println("Ouch, the call failed: ");
System.out.println(" Fault Code = " + fault.getFaultCode());
System.out.println(" Fault String = " + fault.getFaultString());
return Double.NaN;
} else {
Parameter result = resp.getReturnValue();
return ((Double) result.getValue()).doubleValue();
}
}
private double stringToDouble(String s) {
// try as a double, float or by appending a ".0" to it
try {
return Double.valueOf(s).doubleValue();
} catch (NumberFormatException e1) {
try {
return Float.valueOf(s).floatValue() * 1.0;
} catch (NumberFormatException e2) {
if (s.indexOf(".") == -1) {
return stringToDouble(s + '.' + '0');
} else {
return Double.NaN;
}
}
}
}
public static void main(String[] args) throws Exception {
int maxargs = 2;
if (args.length != (maxargs - 1)
&& (args.length != maxargs || !args[0].startsWith("-"))) {
System.err.println("Usage: java " + Calculator.class.getName() +
" [-encodingStyleURI] SOAP-router-URL");
System.exit(1);
}
Calculator c = new Calculator("XML-SOAP Excel Calculator");
int offset = maxargs - args.length;
c.encodingStyleURI = (args.length == maxargs)
? args[0].substring(1)
: Constants.NS_URI_SOAP_ENC;
c.url = new URL(args[1 - offset]);
}
}
|
button to generate the following the proxy files
will be generated.