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package stateful.client;
import stateful.client.book.*;
import stateful.client.bookstore.*;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.wsaddressing.W3CEndpointReference;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
/**
* Stateful web service client demonstration.
*/
public class Main {
public static void main(String[] args) {
BookStore bookstore = new BookStoreService().getBookStorePort();
BookService service = new BookService();
// obtain two book references
Book book1 = service.getPort(bookstore.getProduct("abc001"),Book.class);
Book book2 = service.getPort(bookstore.getProduct("def999"),Book.class);
// you'll see that two proxies do represent two different server objects
System.out.println("--- testing ID ---");
System.out.println(book1.getId());
System.out.println(book2.getId());
// and as you see the server can maintain state on each book.
// also notice that when you run the application repeatedly, the reviews accumulate.
book1.postReview("This book is great!");
book2.postReview("Recommend only for people with too much time");
System.out.println("--- testing review ---");
System.out.println(book1.getReviews());
System.out.println(book2.getReviews());
// if you obtain the 2nd reference to the same book, it still points to the same book
Book book3 = service.getPort(bookstore.getProduct("abc001"),Book.class);
System.out.println(book3.getReviews());
// ... now we are done with basics, and moving on to a little more advanced topic.
// on the wire, a reference to a remote object is captured
// in an XML fragment called 'EndpointReference'.
W3CEndpointReference bookEpr = bookstore.getProduct("def999");
// since this is just an XML, you can save it to anywhere.
// the following shows how to "save" it to System.out (so that you can see what's in it,
// even though you don't really need to know what's in there)
System.out.println("--- testing EPR ---");
bookEpr.writeTo(new StreamResult(System.out));
System.out.println();
// let's save it to byte array
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bookEpr.writeTo(new StreamResult(baos));
// it can be then read back to EPR later, maybe even from another JVM
bookEpr = new W3CEndpointReference(new StreamSource(new ByteArrayInputStream(baos.toByteArray())));
// ... and then to Book proxy
Book book4 = service.getPort(bookEpr, Book.class);
// ... to talk to this book
System.out.println(book4.getReviews());
}
}