What are some ways to work with Java object serialization using JavaScript?

public class Person {
  private String firstname;
  private String lastname;
  private PhoneNumber phone;
  private PhoneNumber fax;
  // ... constructors and methods
  private void calculate()
  {
  }
}

The Java object has been serialized on the server side and transmitted to the client.

XStream xstream = new XStream(new DomDriver()); 

Person joe = new Person("Joe", "Walnes");
joe.setPhone(new PhoneNumber(123, "1234-456"));
joe.setFax(new PhoneNumber(123, "9999-999"));

String xml = xstream.toXML(joe);

How do I deserialize this XML string into a Java object using JavaScript and run the methods of the person class on the client side using JavaScript?

I need assistance with syntax or guidelines for this task.

Answer №1

To interact with Java methods on the client side using JavaScript, SOAP can be utilized. This informative piece illustrates the process of creating a WSDL web service that is accessible by any SOAP client supporting WSDL.

An alternative approach involves invoking the Java WSDL service through AJAX in JavaScript, provided a JS library capable of handling SOAP and WSDL functionalities is available.

Another option is to develop a simplified front-end for the Java WSDL service in PHP utilizing PHP's SoapClient library. The front-end can accept basic GET parameters and return JSON or XML responses. Subsequently, accessing this PHP web service through AJAX via jQuery (or another AJAX-supporting library) would be straightforward.

Answer №2

For those looking to integrate Javascript calls within Java when working on an applet, consider exploring the capabilities of LiveConnect with the JSObject wrapper class. This approach allows for the execution of javascript functions within the applet and facilitates seamless information exchange between the two;

Executor exe = Executors.newSingleThreadExecutor();
final JSObject page = JSObject.getWindow(applet);

if (page == null) {
    /* Here is where you can handle scenarios where a connection cannot be established */
}

final String javascriptFunction = "yourJavaScriptFunction()";
executor.execute(new Runnable() {
    public void run() {
        page.eval(javascriptFunction);
    }
});

Take a look at the IRIS application designed for Flickr, which is an open-source project implementing this technique. Additionally, the Belgian JUG Parleys have shared insights from a conference session that touches upon these topics, available here.

Answer №3

JavaScript interacts with XML data through a DOM tree structure

Answer №4

Running Java methods using Javascript is not possible. However, you can access and read the properties of a Java object, as this information is serialized in the XML file. An easy way to achieve this is by utilizing Javascript to parse XML data.

In order to serialize a Java object, transmit it to a client, and execute Java code on the client side, a completely different architecture would need to be implemented. Firstly, Java runtime environment must be present on the client's machine. Additionally, a method such as RMI (Remote Method Invocation) might be necessary for communication.

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