Signal-Android/jobqueue/src/main/java/org/whispersystems/jobqueue/requirements/NetworkRequirement.java

51 wiersze
1.6 KiB
Java

/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whispersystems.jobqueue.requirements;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import org.whispersystems.jobqueue.dependencies.ContextDependent;
/**
* A requirement that is satisfied when a network connection is present.
*/
public class NetworkRequirement implements Requirement, ContextDependent {
private transient Context context;
public NetworkRequirement(Context context) {
this.context = context;
}
public NetworkRequirement() {}
@Override
public boolean isPresent() {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
return netInfo != null && netInfo.isConnectedOrConnecting();
}
@Override
public void setContext(Context context) {
this.context = context;
}
}