DroidFuApplication.java

/* Copyright (c) 2009 Matthias Käppler
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.droidfu;

import java.lang.ref.WeakReference;
import java.util.HashMap;

import android.app.Application;
import android.content.Context;

public class DroidFuApplication extends Application {

    private HashMap<String, WeakReference<Context>> contextObjects = new HashMap<String, WeakReference<Context>>();

    public synchronized Context getActiveContext(String className) {
        WeakReference<Context> ref = contextObjects.get(className);
        if (ref == null) {
            return null;
        }
        return ref.get();
    }

    public synchronized void setActiveContext(String className, Context context) {
        WeakReference<Context> ref = new WeakReference<Context>(context);
        this.contextObjects.put(className, ref);
    }

    public synchronized void resetActiveContext(String className) {
        contextObjects.remove(className);
    }
}