jtulach@86: package org.apidesign.extensionpoint;
jtulach@86: 
jtulach@86: import java.util.ArrayList;
jtulach@86: import java.util.Collection;
jtulach@86: import java.util.Collections;
jtulach@86: import java.util.List;
jtulach@86: import javax.swing.JOptionPane;
jtulach@86: import org.apidesign.extensionpoint.api.TipOfTheDay;
jtulach@86: import org.openide.util.Lookup;
jtulach@86: 
jtulach@86: public class Main {
jtulach@86:     public static void main(String[] args) {
jtulach@86:         for (;;) {
jtulach@86:             // BEGIN: extension.point.Query
jtulach@132:             Collection<? extends TipOfTheDay> all = 
jtulach@132:                 Lookup.getDefault().lookupAll(TipOfTheDay.class);
jtulach@86:             List<TipOfTheDay> arr = new ArrayList<TipOfTheDay>(all);
jtulach@86:             Collections.shuffle(arr);
jtulach@86: 
jtulach@86:             String msg;
jtulach@86:             String title;
jtulach@86:             int type;
jtulach@86:             if (arr.isEmpty()) {
jtulach@86:                 msg = "I do not know what to say!";
jtulach@86:                 title = "No provider registered";
jtulach@86:                 type = JOptionPane.WARNING_MESSAGE;
jtulach@86:             } else {
jtulach@86:                 msg = arr.get(0).sayHello();
jtulach@86:                 title = "Selected from " + arr.size() + " providers";
jtulach@86:                 type = JOptionPane.INFORMATION_MESSAGE;
jtulach@86:             }
jtulach@86:             // END: extension.point.Query
jtulach@86: 
jtulach@86:             String again = "Once Again";
jtulach@86:             String exit = "Exit";
jtulach@86:             String[] options = new String[] { again, exit };
jtulach@132:             int ret = JOptionPane.showOptionDialog(
jtulach@132:                 null, msg, title, 0, type, null, options, exit
jtulach@132:             );
jtulach@86: 
jtulach@86:             if (ret != 0) {
jtulach@86:                 break;
jtulach@86:             }
jtulach@86:         }
jtulach@86:         System.exit(0);
jtulach@86:     }
jtulach@86: }