A Comprehensive Guide to IBM WebSphere Host Publisher Version 3.5

480 IBM WebSphere Host Publisher Version 3.5

Figure 16-25 Sample application using RIO proxy asynchronously (3 of 3): main method

16.6.4 Java sample program

A Java sample program is generated by the Host Publisher Studio when you

save the Integration Object with the RIO option. The Java program runs as an

applet (requires a Web browser) or as a stand-alone application. It uses the

Swing class for the GUI to get inputs and display the results. The program uses

the asynchronous callback scheme in the RIO proxy to invoke the execution of

the RIO request/response.

The name of the generated sample Java applet/application is

CustomApp<IOname>.java and you will find it in the following subdirectory:

d:\Hostpub\Studio\IntegrationObjects\RemoteIO\<IOname>\

where IOname is the Integration Object name.

Note: The compiled class ready for execution is also generated.

static public void main(String args[]) {

String HostName;

int i = 0;

for (i = 0; i < args.length; i++) {

System.err.println ("args["+i+"]= "+args[i]);

}

if (args.length == 0) {

System.err.println ("Usage: TestRio2 AccountNumber [HostName]");

System.exit (1);

}

if (args.length == 2)

HostName = args [1];

else

HostName = "127.0.0.1"; // default to same server

new TestRio2(HostName, args[0]);

}

}

interface HPubReqCompleteListener extends EventListener {

void hPubReqComplete(HPubReqCompleteEvent evt);

}

Chapter 16. Remote Integration Objects (RIO) 481

Figure 16-26 illustrates the Swing GUI when the generated sample program is

executed. It takes input values for the input properties and displays the output in

the bottom part of the window.

The Submit button is used to send the request and the Session for Chaining box

is used to set the session ID when Integration Object chaining is used. For details

about chaining, see 16.8, “RIO chaining support” on page 491.

Figure 16-26 Java applet and application using RIO proxy

In addition, the following generated files can also be used with this sample

program:

򐂰 AppLoader<IOname>.html. A sample HTML page to execute the sample

program as a Java applet.

򐂰 CompileCustomApp<IOname>.bat. A batch file you can use to compile the

sample program if needed.

򐂰 RunCustomApp<IOname>.bat. A batch file you can use to run the sample

program as a Java application.