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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 android.net;
import static android.net.ConnectivityManager.isNetworkTypeMobile;
import android.content.Context;
import android.telephony.TelephonyManager;
import com.android.internal.util.Objects;
/**
* Network definition that includes strong identity. Analogous to combining
* {@link NetworkInfo} and an IMSI.
*
* @hide
*/
public class NetworkIdentity {
final int mType;
final int mSubType;
final String mSubscriberId;
public NetworkIdentity(int type, int subType, String subscriberId) {
this.mType = type;
this.mSubType = subType;
this.mSubscriberId = subscriberId;
}
@Override
public int hashCode() {
return Objects.hashCode(mType, mSubType, mSubscriberId);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof NetworkIdentity) {
final NetworkIdentity ident = (NetworkIdentity) obj;
return mType == ident.mType && mSubType == ident.mSubType
&& Objects.equal(mSubscriberId, ident.mSubscriberId);
}
return false;
}
@Override
public String toString() {
final String typeName = ConnectivityManager.getNetworkTypeName(mType);
final String subTypeName;
if (ConnectivityManager.isNetworkTypeMobile(mType)) {
subTypeName = TelephonyManager.getNetworkTypeName(mSubType);
} else {
subTypeName = Integer.toString(mSubType);
}
final String scrubSubscriberId = mSubscriberId != null ? "valid" : "null";
return "[type=" + typeName + ", subType=" + subTypeName + ", subscriberId="
+ scrubSubscriberId + "]";
}
public int getType() {
return mType;
}
public int getSubType() {
return mSubType;
}
public String getSubscriberId() {
return mSubscriberId;
}
/**
* Build a {@link NetworkIdentity} from the given {@link NetworkState},
* assuming that any mobile networks are using the current IMSI.
*/
public static NetworkIdentity buildNetworkIdentity(Context context, NetworkState state) {
final int type = state.networkInfo.getType();
final int subType = state.networkInfo.getSubtype();
// TODO: consider moving subscriberId over to LinkCapabilities, so it
// comes from an authoritative source.
final String subscriberId;
if (isNetworkTypeMobile(type)) {
if (state.subscriberId != null) {
subscriberId = state.subscriberId;
} else {
final TelephonyManager telephony = (TelephonyManager) context.getSystemService(
Context.TELEPHONY_SERVICE);
subscriberId = telephony.getSubscriberId();
}
} else {
subscriberId = null;
}
return new NetworkIdentity(type, subType, subscriberId);
}
}
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