| /* |
| * (c) Copyright 2016 Samsung Electronics |
| * (c) Copyright 2016 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 com.android.printservice.recommendation.plugin.samsung; |
| |
| import android.net.nsd.NsdServiceInfo; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.printservice.recommendation.util.MDNSFilteredDiscovery; |
| import com.android.printservice.recommendation.util.MDNSUtils; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Printer filter for Mopria printer models supported by the print service plugin |
| */ |
| class PrinterFilterMopria implements MDNSFilteredDiscovery.PrinterFilter { |
| private static final String TAG = "PrinterFilterMopria"; |
| |
| static final Set<String> MOPRIA_MDNS_SERVICES = new HashSet<String>() {{ |
| add("_ipp._tcp"); |
| add("_ipps._tcp"); |
| }}; |
| |
| private static final String PDL__PDF = "application/pdf"; |
| private static final String PDL__PCLM = "application/PCLm"; |
| private static final String PDL__PWG_RASTER = "image/pwg-raster"; |
| |
| private static final String PDL_ATTRIBUTE = "pdl"; |
| |
| @Override |
| public boolean matchesCriteria(NsdServiceInfo nsdServiceInfo) { |
| if (!MDNSUtils.isSupportedServiceType(nsdServiceInfo, MOPRIA_MDNS_SERVICES)) { |
| return false; |
| } |
| |
| String pdls = MDNSUtils.getString(nsdServiceInfo.getAttributes().get(PDL_ATTRIBUTE)); |
| boolean isMatch = !TextUtils.isEmpty(pdls) |
| && (pdls.contains(PDL__PDF) |
| || pdls.contains(PDL__PCLM) |
| || pdls.contains(PDL__PWG_RASTER)); |
| |
| if (isMatch) { |
| Log.d(TAG, "Mopria printer found: " + nsdServiceInfo.getServiceName()); |
| } |
| return isMatch; |
| } |
| } |