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package restful.server;
import javax.annotation.Resource;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.BindingType;
import javax.xml.ws.Provider;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.WebServiceProvider;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.http.HTTPBinding;
import javax.xml.ws.http.HTTPException;
import java.io.ByteArrayInputStream;
import java.util.StringTokenizer;
@WebServiceProvider
@BindingType(value=HTTPBinding.HTTP_BINDING)
public class AddNumbersImpl implements Provider<Source> {
@Resource(type=Object.class)
protected WebServiceContext wsContext;
public Source invoke(Source source) {
try {
MessageContext mc = wsContext.getMessageContext();
String query = (String)mc.get(MessageContext.QUERY_STRING);
String path = (String)mc.get(MessageContext.PATH_INFO);
System.out.println("Query String = "+query);
System.out.println("PathInfo = "+path);
if (query != null && query.contains("num1=") &&
query.contains("num2=")) {
return createSource(query);
} else if (path != null && path.contains("/num1") &&
path.contains("/num2")) {
return createSource(path);
} else {
throw new HTTPException(404);
}
} catch(Exception e) {
e.printStackTrace();
throw new HTTPException(500);
}
}
private Source createSource(String str) {
StringTokenizer st = new StringTokenizer(str, "=&/");
String token = st.nextToken();
int number1 = Integer.parseInt(st.nextToken());
st.nextToken();
int number2 = Integer.parseInt(st.nextToken());
int sum = number1+number2;
String body =
"<ns:addNumbersResponse xmlns:ns=\"http://duke.example.org\"><ns:return>"
+sum
+"</ns:return></ns:addNumbersResponse>";
Source source = new StreamSource(
new ByteArrayInputStream(body.getBytes()));
return source;
}
}