Thanks guys. I had an inkling that servlets/jsps were the solution but just a bit confused on how to actually impliment it.
Many Thanks Eric On Tue, 11 Jun 2002, Wimmer, Matthias wrote: > Eric: > > I think this is an issue of Servlets and JSPs. Once you are a little bit > familiar with this, I think you can easily retrieve one parameter (named > machine_name or so) out of an HTML form. Then you just call LoadClient.main( > machine_name) and get the result. > > I am not very familiar with Servlets and JSPs but this is the way I would > approach. > > best regards > Matthias Wimmer > > > > -----Original Message----- > From: Eric Roberts [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, June 11, 2002 4:43 PM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED]; Jeson Martajaya > Subject: Accessing Web Services from the web > > > Ok, I have a web service class that i want to use to access loads on > certain machines. It takes one parameter, the machine name. The Java > source looks like this: > > (begin source here) > package samples.userguide.load; > > import org.apache.axis.client.Call; > import org.apache.axis.client.Service; > import org.apache.axis.encoding.XMLType; > import org.apache.axis.utils.Options; > > import javax.xml.rpc.ParameterMode; > > public class LoadClient > { > public static void main(String [] args) throws Exception { > > Options options = new Options(args); > > String endpoint = "http://localhost:"; + options.getPort() > +"/axis/Load.jws"; > > args = options.getRemainingArgs(); > > if (args == null || args.length != 1) { > System.err.println("Usage: LoadClient arg1"); > return; > } > > String s1 = new String(args[0]); > > Service service = new Service(); > Call call = (Call) service.createCall(); > > call.setTargetEndpointAddress(new java.net.URL(endpoint) ); > call.setOperationName("getBatchQueueLoad"); > call.addParameter( "machine", XMLType.XSD_STRING, > ParameterMode.IN); > call.setReturnType(XMLType.XSD_STRING); > > String ret = ""; > try { > ret = (String) call.invoke(new Object[] {s1}); > } > catch(Exception e) { > System.out.println("s1 = "+s1+" ret = '"+ret+"'"); > System.out.println("ret BAAAAADDDD!!\n" + e); > e.printStackTrace(); > } > System.out.println(ret); > } > > } > > > The location of this file is > /usr/local/apps/xml-axis-beta2/samples/userguide/load > > > > The Load.jws file looks like this > > (begin code here) > > import java.net.URL; > import java.net.MalformedURLException; > import java.io.*; > > public class Load { > public static String getBatchQueueLoad (String machine) > { > String line =""; > try { > URL u = new URL ("http://www.tacc.utexas.edu/~rich/hipcat_data/"; + > machine + "_load.txt"); > BufferedReader data = new BufferedReader > ( new InputStreamReader( u.openStream() )); > line = data.readLine(); > data.close(); > } > catch (IOException e) { > System.err.println("Error: " + e); > } > > return line; > } > > } > > The location of the Load.jws file is her > /usr/local/apps/jakarta-tomcat-4.0.4-b1/webapps/axis > > Everything works great when I run the command > > java samples.userguide.load.LoadClient machine_name > > I get back the load on the machine. > > > I want to have a web interface with forms fields where I can put in the > machine name and click submit and have the load returned and displayed in > and HTML page. > > Does this call for servlets/jsp? I keep reading about WSDL everywhere but > noone seems to explain how to utilize it. Every tutorial seems to stop > short of telling how to access a web service from the WEB. What am I > missing? Am I going in the right direction? > > Many thanks in advance > > -- _____________________________________________________________________ Eric Roberts [EMAIL PROTECTED] Grid Computing Group Texas Advanced Computing Center University of Texas at Austin http://www.tacc.utexas.edu/~ericrobe _____________________________________________________________________
