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package org.solovyev.android.network;

import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * User: serso
 * Date: 7/26/12
 * Time: 5:33 PM
 */
final class NetworkDataImpl implements NetworkData {

	@Nonnull
	private NetworkState state = NetworkState.UNKNOWN;

	@Nullable
	private String reason;

	private boolean failover = false;

	@Nullable
	private NetworkInfo networkInfo;

	@Nullable
	private NetworkInfo otherNetworkInfo;

	private NetworkDataImpl() {
	}

	@Nonnull
	static NetworkData newUnknownNetworkData() {
		return new NetworkDataImpl();
	}

	@Nonnull
	static NetworkData fromIntent(@Nonnull Intent intent) {
		assert ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction());

		final NetworkDataImpl result = new NetworkDataImpl();

		boolean connected = !intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);

		if (connected) {
			result.state = NetworkState.CONNECTED;
		} else {
			result.state = NetworkState.NOT_CONNECTED;
		}

		result.networkInfo = (NetworkInfo) intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
		result.otherNetworkInfo = (NetworkInfo) intent.getParcelableExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO);

		result.reason = intent.getStringExtra(ConnectivityManager.EXTRA_REASON);
		result.failover = intent.getBooleanExtra(ConnectivityManager.EXTRA_IS_FAILOVER, false);

		return result;
	}

	@Nonnull
	@Override
	public NetworkState getState() {
		return this.state;
	}

	@Nullable
	@Override
	public String getReason() {
		return this.reason;
	}

	@Override
	public boolean isFailover() {
		return this.failover;
	}

	@Nullable
	@Override
	public NetworkInfo getNetworkInfo() {
		return this.networkInfo;
	}

	@Nullable
	@Override
	public NetworkInfo getOtherNetworkInfo() {
		return this.otherNetworkInfo;
	}

	@Override
	public String toString() {
		return "NetworkDataImpl{" +
				"state=" + state +
				", reason='" + reason + '\'' +
				", failover=" + failover +
				", networkInfo=" + networkInfo +
				", otherNetworkInfo=" + otherNetworkInfo +
				'}';
	}
}