| /* |
| * Copyright (C) 2017 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.companion; |
| |
| import static android.companion.BluetoothDeviceFilterUtils.getDeviceDisplayNameInternal; |
| import static android.companion.BluetoothDeviceFilterUtils.patternFromString; |
| import static android.companion.BluetoothDeviceFilterUtils.patternToString; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.SuppressLint; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.le.ScanFilter; |
| import android.net.wifi.ScanResult; |
| import android.os.Parcel; |
| import android.provider.OneTimeUseBuilder; |
| |
| import java.util.Objects; |
| import java.util.regex.Pattern; |
| |
| /** |
| * A filter for Wifi devices |
| * |
| * @see ScanFilter |
| */ |
| public final class WifiDeviceFilter implements DeviceFilter<ScanResult> { |
| |
| private final Pattern mNamePattern; |
| |
| private WifiDeviceFilter(Pattern namePattern) { |
| mNamePattern = namePattern; |
| } |
| |
| @SuppressLint("ParcelClassLoader") |
| private WifiDeviceFilter(Parcel in) { |
| this(patternFromString(in.readString())); |
| } |
| |
| /** @hide */ |
| @Nullable |
| public Pattern getNamePattern() { |
| return mNamePattern; |
| } |
| |
| |
| /** @hide */ |
| @Override |
| public boolean matches(ScanResult device) { |
| return BluetoothDeviceFilterUtils.matchesName(getNamePattern(), device); |
| } |
| |
| /** @hide */ |
| @Override |
| public String getDeviceDisplayName(ScanResult device) { |
| return getDeviceDisplayNameInternal(device); |
| } |
| |
| /** @hide */ |
| @Override |
| public int getMediumType() { |
| return MEDIUM_TYPE_WIFI; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| WifiDeviceFilter that = (WifiDeviceFilter) o; |
| return Objects.equals(mNamePattern, that.mNamePattern); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(mNamePattern); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(patternToString(getNamePattern())); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| public static final Creator<WifiDeviceFilter> CREATOR |
| = new Creator<WifiDeviceFilter>() { |
| @Override |
| public WifiDeviceFilter createFromParcel(Parcel in) { |
| return new WifiDeviceFilter(in); |
| } |
| |
| @Override |
| public WifiDeviceFilter[] newArray(int size) { |
| return new WifiDeviceFilter[size]; |
| } |
| }; |
| |
| /** |
| * Builder for {@link WifiDeviceFilter} |
| */ |
| public static final class Builder extends OneTimeUseBuilder<WifiDeviceFilter> { |
| private Pattern mNamePattern; |
| |
| /** |
| * @param regex if set, only devices with {@link BluetoothDevice#getName name} matching the |
| * given regular expression will be shown |
| * @return self for chaining |
| */ |
| public Builder setNamePattern(@Nullable Pattern regex) { |
| checkNotUsed(); |
| mNamePattern = regex; |
| return this; |
| } |
| |
| /** @inheritDoc */ |
| @Override |
| @NonNull |
| public WifiDeviceFilter build() { |
| markUsed(); |
| return new WifiDeviceFilter(mNamePattern); |
| } |
| } |
| } |