Android Open Source - blink Event

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Back to project page blink.

License

The source code is released under:

Apache License

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Java Source Code

package com.nashlincoln.blink.event;
/*from w w  w  . j  a  va 2  s.c  o  m*/
import android.util.Log;

import java.util.HashMap;
import java.util.Map;
import java.util.Observable;
import java.util.Observer;

/**
 * Created by nash on 10/5/14.
 */
public class Event {

    private static final Map<String, ObsImpl> sObservables = new HashMap<>();
    private static final String TAG = "Event";

    public static void observe(String key, Observer observer) {
        Log.d(TAG, "observe");
        if (!sObservables.containsKey(key)) {
            sObservables.put(key, new ObsImpl());
        }
        sObservables.get(key).addObserver(observer);
    }

    public static void ignore(String key, Observer observer) {
        Log.d(TAG, "ignore");
        if (sObservables.containsKey(key)) {
            sObservables.get(key).deleteObserver(observer);
        }
    }

    public static void broadcast(String key) {
        Log.d(TAG, "broadcast: " + key);
        if (sObservables.containsKey(key)) {
            sObservables.get(key).notifyObservers();
        }
    }

    public static void broadcast(String key, Object data) {
        Log.d(TAG, "broadcast: " + key);
        if (sObservables.containsKey(key)) {
            sObservables.get(key).notifyObservers(data);
        }
    }

    private static class ObsImpl extends Observable {
        @Override
        public void notifyObservers() {
            setChanged();
            super.notifyObservers();
        }

        @Override
        public void notifyObservers(Object data) {
            setChanged();
            super.notifyObservers(data);
        }
    }
}

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