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/*
* Copyright (C) 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.xerox.printservicerecommendationplugin;
import android.net.nsd.NsdServiceInfo;
import android.text.TextUtils;
import java.nio.charset.StandardCharsets;
import java.util.Locale;
import java.util.Map;
public class MDnsUtils {
public static final String ATTRIBUTE__TY = "ty";
public static final String ATTRIBUTE__PRODUCT = "product";
public static final String ATTRIBUTE__USB_MFG = "usb_MFG";
public static final String ATTRIBUTE__USB_MDL = "usb_MDL";
public static final String ATTRIBUTE__MFG = "mfg";
public static final String EXCLUDE_FUJI = "fuji";
public static final String PDL_ATTRIBUTE = "pdl";
public static boolean isVendorPrinter(NsdServiceInfo networkDevice, String[] vendorValues) {
Map<String, byte[]> attributes = networkDevice.getAttributes();
String product = getString(attributes.get(ATTRIBUTE__PRODUCT));
String ty = getString(attributes.get(ATTRIBUTE__TY));
String usbMfg = getString(attributes.get(ATTRIBUTE__USB_MFG));
String usbMdl = getString(attributes.get(ATTRIBUTE__USB_MDL));
String mfg = getString(attributes.get(ATTRIBUTE__MFG));
return containsVendor(product, vendorValues) || containsVendor(ty, vendorValues) || containsVendor(usbMfg, vendorValues) || containsVendor(mfg, vendorValues) && !(containsString(ty, EXCLUDE_FUJI) || containsString(product, EXCLUDE_FUJI) || containsString(usbMdl, EXCLUDE_FUJI));
}
public static String getVendor(NsdServiceInfo networkDevice) {
String vendor;
Map<String, byte[]> attributes = networkDevice.getAttributes();
vendor = getString(attributes.get(ATTRIBUTE__MFG));
if (!TextUtils.isEmpty(vendor)) return vendor;
vendor = getString(attributes.get(ATTRIBUTE__USB_MFG));
if (!TextUtils.isEmpty(vendor)) return vendor;
return null;
}
public static boolean checkPDLSupport(NsdServiceInfo networkDevice, String[] pdlFormats) {
if (pdlFormats == null) return false;
String pdls = MDnsUtils.getString(networkDevice.getAttributes().get(PDL_ATTRIBUTE));
if (pdls != null) {
for (String pdl : pdlFormats) {
if (pdls.contains(pdl)) {
return true;
}
}
}
return false;
}
private static boolean containsVendor(String container, String[] vendorValues) {
if ((container == null) || (vendorValues == null)) return false;
for (String value : vendorValues) {
if (containsString(container, value)
|| containsString(container.toLowerCase(Locale.US), value.toLowerCase(Locale.US))
|| containsString(container.toUpperCase(Locale.US), value.toUpperCase(Locale.US)))
return true;
}
return false;
}
private static String getString(byte[] value) {
if (value != null) return new String(value, StandardCharsets.UTF_8);
return null;
}
private static boolean containsString(String container, String contained) {
return (container != null) && (contained != null) && (container.equalsIgnoreCase(contained) || container.contains(contained + " "));
}
}
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