Android Open Source - android-marvin Temporary Service Connection

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright 2010 akquinet/*ww w  . j av a  2 s .c o  m*/
 * 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 de.akquinet.android.marvin.util;

import java.util.concurrent.TimeUnit;

import android.content.ComponentName;
import android.content.ServiceConnection;
import android.os.IBinder;


public class TemporaryServiceConnection implements ServiceConnection {
    private final long timeoutInMs;

    private volatile ComponentName componentName;
    private volatile IBinder iBinder;

    public TemporaryServiceConnection(long timeout, TimeUnit timeUnit) {
        this.timeoutInMs = timeUnit.toMillis(timeout);
    }

    public synchronized ComponentName getComponentName() {
        return this.componentName;
    }

    public synchronized IBinder getBinder() {
        return this.iBinder;
    }

    public IBinder getBinderSync() {
        long time = System.currentTimeMillis();

        while (System.currentTimeMillis() < time + timeoutInMs) {
            if (this.iBinder != null) {
                synchronized (this) {
                    return this.iBinder;
                }
            }
            try {
                Thread.sleep(500);
            }
            catch (InterruptedException e) {
                return null;
            }
        }

        return null;
    }

    @Override
    public synchronized void onServiceConnected(ComponentName componentName, IBinder iBinder) {
        this.componentName = componentName;
        this.iBinder = iBinder;
    }

    @Override
    public void onServiceDisconnected(ComponentName componentName) {
    }
}

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