kern/src/de/memtext/db/DbRmiClient.java

/*
 * Created on 21.06.2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package de.memtext.db;

import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.RMISecurityManager;
import java.rmi.RemoteException;
import java.util.Iterator;
import java.util.List;

/**
 * @author MB
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class DbRmiClient {
    private DbServerI dbServerI = null;

    String name = "DbServer"; //"//localhost/DbServer"

    public DbRmiClient() {
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }
        try {
            dbServerI = (DbServerI) Naming.lookup(name);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (RemoteException e) {
            e.printStackTrace();
        } catch (NotBoundException e) {
            e.printStackTrace();
        }
    }

    public void test() {
        testUpdate();
        testQuery();
    }

    private void testUpdate() {
        try {

            DbRequest dbRequest = new DbRequest("update dummy set col2=99");
            DbResponse dbResponse = dbServerI.execute(dbRequest);
            if (dbResponse.isOK()) {
                System.out.println("OK - updated rows :" + dbResponse.getUpdatedRowsCount());
            } else {
                System.out.println("failed :" + dbResponse.getException());
            }


        } catch (Exception e) {
            System.out.println(" exception: " + e.getMessage());
            e.printStackTrace();
        }
    }

    private void testQuery() {
        try {

            DbRequest dbRequest = new DbRequest("select * from dummy");
            DbResponse dbResponse = dbServerI.executeQuery("select * from dummy");
            if (dbResponse.isOK()) {
                System.out.println("OK");
                List result = (List) dbResponse.getResult();
                System.out.println("rows:" + result.size());
                int i = 0;
                for (Iterator it = result.iterator(); it.hasNext();) {
                    List row = (List) it.next();
                    i++;
                    System.out.print("row " + i + " ");
                    for (Iterator it2 = row.iterator(); it2.hasNext();) {
                        Object o = it2.next();
                        System.out.print(" - " + o);
                    }
                    System.out.println("");
                }

            } else {
                System.out.println("failed :" + dbResponse.getException());
            }


        } catch (Exception e) {
            System.out.println(" exception: " + e.getMessage());
            e.printStackTrace();
        }
    }

    public static void main(String a[]) {
        DbRmiClient c = new DbRmiClient();
        c.test();


    }

}