Working with Web Services - Beginning Java 7 - page 1138

Listing 11-24 demonstrates this interplay by providing an alternate version of the
doGet() method that appears in Listing 11-14 's LibraryClient application. In-
steadofworkingwith HttpURLConnection ,thealternate doGet() methodworks
with Service and Dispatch .

Listing 11-24. Revised LibraryClient application's doGet() method as a dispatch client

static void doGet(String isbn) throws Exception
{

Service service = Service.create(new QName(""));
String endpoint = "http://localhost:9902/library";
service.addPort(new QName(""), HTTPBind-

ing.HTTP_BINDING, endpoint);
Dispatch<Source> dispatch;
dispatch = service.createDispatch(new QName(""),

Source.class,

Ser-

vice.Mode.MESSAGE);
Map<String, Object> reqContext = dis-

patch.getRequestContext();
reqContext.put(MessageContext.HTTP_REQUEST_METHOD,
"get");
if (isbn != null)
reqContext.put(MessageContext.QUERY_STRING, "isb-

n="+isbn);
Source result;
try
{

result = dispatch.invoke(null);

}
catch (Exception e)
{

System.err.println(e);
return;

}
try
{