What does it mean "to factor a class"?
----- Original Message -----
From: "Scott Nichol" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, October 20, 2004 7:48 PM
Subject: Re: problems in creating a web service
It looks to me like servizio methods prompt the user for input and write
stuff to System.out. SOAP does not interact with a user.
The composizione also seems to directly or indirectly interact with
System.in and System.out. Besides that, it has no methods, just a
constructor.
To expose some of your logic through SOAP, you need to factor out classes
that just do computations, file and database I/O, etc. The code that
interacts with a human needs to be in the client application.
Scott Nichol
Do not send e-mail directly to this e-mail address,
because it is filtered to accept only mail from
specific mail lists.
----- Original Message -----
From: "Francesco Dipalo" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, October 20, 2004 1:00 PM
Subject: Re: problems in creating a web service
> For example, if I have this java class
>
> package javasoap.book.ch4;
> public class MethodCounter {
> int _counter;
> public MethodCounter() {
> _counter = 0;
> }
> public int getCount() {
> return _counter;
> }
> }
> I create a deployment descriptor file and an application like this to
> execute the getCount method:
>
> package javasoap.book.ch4;
> import java.net.*;
> import org.apache.soap.*;
> import org.apache.soap.rpc.*;
> public class GetCountApp {
> public static void main(String[] args)
> throws Exception {
>
> URL url =
> new URL(
> "http://localhost:8080/soap/servlet/rpcrouter";);
>
> Call call = new Call();
> call.setTargetObjectURI("urn:CallCounterService");
> call.setMethodName("getCount");
> try {
> Response resp = call.invoke(url, "");
> Parameter ret = resp.getReturnValue();
> Object value = ret.getValue();
> System.out.println("Result is " + value);
> }
> catch (SOAPException e) {
> System.err.println("Caught SOAPException (" +
> e.getFaultCode() + "): " +
> e.getMessage());
> }
> }
> }
>
> Do you understand now what my purpose is? In my case I want to execute
> servizio and composizione methods.
> ----- Original Message -----
> From: "Scott Nichol" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, October 20, 2004 4:18 PM
> Subject: Re: problems in creating a web service
>
>
> What exactly do you mean by "transform this software in a web service"?
> What classes and/or methods to you want to access via SOAP?
>
> Scott Nichol
>
> Do not send e-mail directly to this e-mail address,
> because it is filtered to accept only mail from
> specific mail lists.
> ----- Original Message -----
> From: "Francesco Dipalo" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, October 20, 2004 2:41 AM
> Subject: problems in creating a web service
>
>
> I have this software:
>
>
> THE APPLICATION_CONTROLLER CLASS
> import java.io.*;
> import java.util.*;
> public class application_controller {
> public static void main(String [] args) {
> servizio s = new servizio();
> composizione c = new composizione(
> s.c_Nomefile1, s.c_Nomefile2, s.c_Nomefile );
> }
> }
>
>
> THE SERVIZIO CLASS
> import java.io.*;
> import java.util.*;
> public class servizio {
> public static String c_Nomefile;
> public static String c_Nomefile1;
> public static String c_Nomefile2;
> public servizio() {
> c_Elenco();
> c_Scelta();
> }
> static private void c_Elenco() {
> System.out.println("ELENCO SERVIZI:");
> String [] lista = new File(".").list(); //crea lista
> for(int cx=0; cx<lista.length; cx++)
> if ( new File(lista[cx]).isFile() ) //verifica se S file
> if ( lista[cx].toLowerCase().lastIndexOf(".owl") >= 0) //e con
> estensione .owl
> System.out.print((" þ "+lista[cx]+"
> ").substring(0,20));
> }
> static private String input(String prompt) {
> String instr = "";
> try {
> BufferedReader inp = new BufferedReader(new
> InputStreamReader(System.in));
> do {
> System.out.print(prompt);
> } while ((instr = inp.readLine()).length() == 0);
> } catch(Exception e){};
> if (instr.lastIndexOf(".") < 0) instr += ".owl";
> return instr;
> }
> static public void c_Scelta() {
> c_Nomefile1 = input("\nServizio principale : ");
> c_Nomefile2 = input("Servizio da comporre: ");
> // crea nome file composto
> c_Nomefile = c_Nomefile1.substring(0,c_Nomefile1.lastIndexOf(".")) +
> c_Nomefile2;
> }
> }
>
>
> THE COMPOSIZIONE CLASS
> import java.io.*;
> import java.util.*;
> public class composizione {
> public static int c_Comp; // esito della composizione
> public composizione (String file_1, String file_2, String file_composto)
{
> output out = new output();
> if ( (c_Comp = new metodi_xml(file_2).c_ProceduraTag(file_1)) == 0)
{
> out.c_EliminaFile();
> out.c_ScriviMessaggio();
> } else {
> System.out.println("\nFILE COMPOSTO:\n");
> out.c_StampaFile();
> out.c_SpostaFile(file_1, file_2, file_composto);
> }
> }
> }
>
>
> THE METODI_XML CLASS
> import java.io.*;
> import java.util.*;
> public class metodi_xml {
> public static String c_Tabella;
> final private static String fileTMP = "tmp.owl";
> final private static xml_pars owl = new xml_pars(); //classe parsing
> .XML
> private static String tempor;
> private static String linea;
> private static boolean corretto;
> public metodi_xml (String file) {
> System.out.print("Apro il file "+file+" ... ");
> if (! (corretto = owl.load_parsing(file)) )
> System.out.println("Errore!");
> else c_CompilaTabella(file);
> }
> public static void c_CompilaTabella(String file) { // crea tabella
> System.out.println("Ok!\nCompilo la tabella...");
> owl.tag(2); //salta header (tag <?> e tag Ontology)
> c_Tabella = tempor = "";
> while(true) {
> //String tag = owl.ctags();
> String tag = owl.tags();
> if (owl.nido < 0) break;
> tempor += tag; c_AnalisiTag(tag);
> if (linea.length() > 1) c_Tabella += linea + "\n";
> }
> }
> public static int c_AnalisiTag(String tag) { // ritorna tipo
tag
> e linea
> linea = ".";
> if (owl.si_tag(tag,"<owls:") > 0) {
> linea = owl.search_true(tag, "owls:Class ", "C") +
> owl.search_true(tag, "owls:ObjectProperty ", "P") +
> //owl.search_true(tag, "owls:Ontology ", "O") +
> linea;
> if (linea.length() == 1) {
> System.out.println("Tag sconosciuto: " + tag);
> corretto = false; };
> linea += owl.search_tag(tag, "name="); //"owls:name"
> };
> return linea.charAt(0);
> }
> public static int c_ProceduraTag(String file) { // esegue utility
> int comp=0; String temp = "", tag = "";
> System.out.print("Apro il file "+file+" ... ");
> if (! owl.load_parsing(file) ) {
> System.out.println("Errore!");
> corretto = false; };
> if (corretto) {
> System.out.println("Ok!\nAvvio utility...");
> owl.tag(2); //salta header (tag <?> e tag Ontology)
> do {
> tag = owl.tags(); //o tag = owl.tag(0);
> int tipo = c_AnalisiTag(tag);
> if (linea.length() > 1) {
> if (c_Tabella.indexOf(linea) < 0) {
> //temp += owl.ctag_root(owl.xml_id);
> temp += owl.tag_root(owl.xml_id);
> } else {
> if (tipo == 'C') comp = 1; //...
> }
> }
> } while (owl.nido >= 0);
> };
> if (!corretto) { System.out.println("Utility interrotta per
> errori."); comp = 0; };
> // if (temp.length() > 0) { //aggiunge intestazione padre
> owl.reset(); tempor = owl.tags() + owl.tags() +
> tempor + temp + tag; //}; //temp + tempor + tag;
//};
> owl.save_pars(fileTMP, tempor); //crea file temporaneo
> return comp;
> }
> }
>
>
> THE OUTPUT CLASS
> import java.io.*;
> import java.util.*;
> public class output {
> final private static String fileTMP = "tmp.owl";
> final private static String cartellaServizi = "servizi";
> final private static xml_pars owl = new xml_pars(2,8); //classe parsing
> .XML
> private static void waitkey() {
> try {
> System.out.print("\nPremere INVIO per proseguire...");
> System.in.read(); System.out.println();
> } catch(Exception e) {}
> }
> public static void c_SpostaFile(String file_1, String file_2, String
> file_composto) {
> owl.newdir(cartellaServizi); //se non c'S crea la cartella
> //new File(cartellaServizi).mkdirs(); new
File(fileTMP).renameTo(new
> File(cartellaServizi + "/" + file_composto));
> if (owl.load_parsing(fileTMP)) {
> owl.save_parsing(cartellaServizi + "/" + file_composto);
> c_EliminaFile();
> owl.load_parsing(file_1); owl.save_parsing(cartellaServizi +
> "/" + file_1);
> owl.load_parsing(file_2); owl.save_parsing(cartellaServizi +
> "/" + file_2);
> }
> }
> public static void c_StampaFile() {
> int cx=0;
> if (owl.load_parsing(fileTMP))
> do { System.out.print(owl.ctags()); if ( ((++cx)&15) == 0)
> waitkey();
> } while (owl.nido >= 0 || cx<3);
> }
> public static void c_EliminaFile() {
> owl.delfile(fileTMP); //new File(fileTMP).delete();
> }
> public static void c_ScriviMessaggio() {
> System.out.println("\nI due servizi non sono tra loro
componibili.");
> waitkey();
> }
> }
>
> How can I create the .dd file and the application file to transform this
> software in a web service? Thanks for the help and excuse for the lenght
of
> the message
>
>
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