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Merge "Replace subnet mask calculation to Inet4AddressUtils" into sc-dev

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This commit is contained in:
Chiachang Wang
2021-02-23 05:12:54 +00:00
committed by Android (Google) Code Review
parent 3ed989b264 17a8eacab4
commit 65c570117e
1 changed files with 3 additions and 6 deletions
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9
src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java
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@@ -63,7 +63,7 @@ import androidx.preference.PreferenceCategory;
import androidx.preference.PreferenceFragmentCompat;
import androidx.preference.PreferenceScreen;
import com.android.net.module.util.NetUtils;
import com.android.net.module.util.Inet4AddressUtils;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.core.FeatureFlags;
@@ -99,7 +99,6 @@ import com.android.wifitrackerlib.WifiEntry.WifiEntryCallback;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.time.Duration;
import java.time.Instant;
import java.time.ZonedDateTime;
@@ -873,10 +872,8 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
private static String ipv4PrefixLengthToSubnetMask(int prefixLength) {
try {
InetAddress all = InetAddress.getByAddress(
new byte[]{(byte) 255, (byte) 255, (byte) 255, (byte) 255});
return NetUtils.getNetworkPart(all, prefixLength).getHostAddress();
} catch (UnknownHostException e) {
return Inet4AddressUtils.getPrefixMaskAsInet4Address(prefixLength).getHostAddress();
} catch (IllegalArgumentException e) {
return null;
}
}