package com.totvs.fluig.custom.dm;


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
import javax.jms.MapMessage;
import javax.jms.Message;
import javax.jms.MessageListener;


@MessageDriven(mappedName = "custom/DocumentListener", activationConfig = {
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
    @ActivationConfigProperty(propertyName = "destination", propertyValue = "topic/wdkAbstract")
})
public class AbstractListenerMessageBean implements MessageListener {
    @Override
    public void onMessage(Message message) {
        try {
            System.out.println("==============Abstract Listener====================");
            System.out.println("Message received: " + message.getJMSMessageID());
            if (message instanceof MapMessage) {
                MapMessage mm = (MapMessage) message;
                @SuppressWarnings("unchecked")
                Enumeration<String> es = mm.getMapNames();
                while (es.hasMoreElements()) {
                    String prop = es.nextElement();
                    System.out.println(prop + ": " + mm.getObject(prop));
                    if(prop.equalsIgnoreCase("mapNewVersion")
                            || prop.equalsIgnoreCase("mapOldVersion")){
                        Map<String, Object> m = decoderMap(mm.getBytes(prop));
                        Iterator it = m.entrySet().iterator();
                        while (it.hasNext()) {
                            Map.Entry e = (Map.Entry)it.next();
                            System.out.println(prop + " - " + e.getKey() + ": " + e.getValue());
                        }
                    }
                }
            }
            System.out.println("==========Fim Abstract Listener===============");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
      
    private Map<String, Object> decoderMap(byte[] array) throws IOException, ClassNotFoundException{
        if(array.length>0){
            ByteArrayInputStream bos = new ByteArrayInputStream(array);
            ObjectInputStream p = new ObjectInputStream(bos);
            Object docObject = p.readObject();
            try{
                Map<String, Object> map = (Map<String, Object>) docObject;
                return map;
            }catch(java.lang.ClassCastException e){
                e.printStackTrace();
            }
        }                   
        return null;
    }


}