Shared Class :
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package client;
import java.util.ArrayList;
public class Sharer
{
public static ArrayList listForOthers = null;
static
{
System.out.println("STATIC ON WORK !!!!");
}
public static ArrayList getListForOthers()
{
if(listForOthers != null)
{
System.out.println("Returned is NOT NULL.");
}
else
{
System.out.println("Returned is NULL");
}
return listForOthers;
}
public static void setListForOthers(ArrayList list)
{
listForOthers = new ArrayList();
for(int i = 0; i < list.size(); i++)
{
ClientSideEvent ce = new ClientSideEvent();
ClientSideEvent ce2 = (ClientSideEvent) list.get(i);
ce.setTimestamp(ce2.getTimestamp());
ce.setId(ce2.getId());
ce.setType(ce2.getType());
ce.setDescription(ce2.getDescription());
listForOthers.add(ce);
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
webapp2 :
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package client;
import java.util.ArrayList;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.RootPanel;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class AnotherWelcomePage implements EntryPoint {
/**
* This is the entry point method.
*/
public void onModuleLoad() {
final Button button = new Button("Doosra Search");
RootPanel.get("slot2").add(button);
ArrayList list = Sharer.getListForOthers();
if(list != null)
{
button.setText("Returning OK with " + list.size());
}
else
{
button.setText("Problem !!!!!!");
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
webapp1 :
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package client;
import java.util.ArrayList;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Widget;
//import com.google.gwt.user.client.ui.;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class EntryPointClass implements EntryPoint {
/**
* This is the entry point method.
*/
public void onModuleLoad() {
ArrayList list = new ArrayList();
ClientSideEvent event = new ClientSideEvent();
final Button b = new Button("Initial Display");
b.addClickListener(new ClickListener()
{
public void onClick(Widget sender)
{
ArrayList nowlist = Sharer.getListForOthers();
if(nowlist == null)
{
b.setText("Null returned");
}
else
{
b.setText("Size is " +
Integer.toString(nowlist.size()));
}
}
});
RootPanel.get("slot1").add(b);
event.setTimestamp(" time is money "); // It's ok, needs a string
event.setId(222);
event.setType("type");
event.setDescription("description");
list.add(event);
Sharer.setListForOthers(list);
//button.setText(Integer.toString(list.size()));
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Now, webapp1 sets the list size to 1. Now when Sharer.getListForOthers()
from webapp1, "Size is 1", while when Sharer.getListForOthers() from
webapp2, it shows "Problem !!!!!!".
Any light ?????????????????/
Ajay Garg
Mikolaj Rydzewski-2 wrote:
>
> java_is_everything wrote:
>> public int getA()
>> {
>> return a;
>> }
>>
> [...]
>> value 123. But I don't .. :-( Instead I get a null as returned value.
>>
> It's impossible to return null from such method.
>
> Show us complete code (both shared class and webapps).
>
> --
> Mikolaj Rydzewski <[EMAIL PROTECTED]>
>
>
> ---------------------------------------------------------------------
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>
>
>
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