hello
i'm new to GWT , i create a simple project GWT, , and on my package
Server , i add a java Class "Connect",
this Class connect to a DataBase and return to me some information ,
( when i compile this class alone with a java Application it works
fine )
but when i compile all the project as a Web Application ,i get this
Error :
:10:16:05.004 [ERROR] [gwtpostgre] Line 31: No source code is
available for type com.qualisteo.GwtPostgre.server.Connect; did you
forget to inherit a required module?
Please Help me
this is my EntryPoint :
public class GwtPostgre implements EntryPoint {
Connect app= new Connect();
String text=app.getInformation();
public void onModuleLoad() {
final Button sendButton = new Button("Send");
final TextBox nameField = new TextBox();
nameField.setText("text");
}
}
this is my Class Connect Onthe Package Server :
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
public class Connect {
public String Inforeturn;
public Connect ()
{
this.Inforeturn=null;
}
public String getInformation()
{
try {
Class.forName("org.postgresql.Driver");
String url =
"jdbc:postgresql://localhost:5433/postgres";
String user = "postgres";
String passwd = "quali2012";
Connection conn = DriverManager.getConnection(url,
user, passwd);
//Création d'un objet Statement
Statement state = conn.createStatement();
//L'objet ResultSet contient le résultat de la requête
SQL
ResultSet result = state.executeQuery("SELECT id FROM
ecole WHERE
id=( SELECT max(id_2) FROM ecole )");
//On récupère les MetaData
ResultSetMetaData resultMeta = result.getMetaData();
//System.out.println("\n**********************************");
//On affiche le nom des colonnes
//for(int i = 1; i <= resultMeta.getColumnCount(); i++)
//System.out.print("\t" +
resultMeta.getColumnName(i).toUpperCase() + "\t *");
//System.out.println("\n**********************************");
while(result.next()){
for(int i = 1; i <=
resultMeta.getColumnCount(); i++)
{
Inforeturn=result.getObject(i).toString();
}
System.out.println("\n---------------------------------");
}
result.close();
state.close();
} catch (Exception e) {
e.printStackTrace();
}
return Inforeturn;
}
}
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