/**
* Copyright 2012 Twitter, Inc
*
* 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 rfx.server.util.ua;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Device parser using ua-parser regexes. Extracts device information from user
* agent strings.
*
* @author Steve Jiang (@sjiang) <gh at iamsteve com>
*/
public class DeviceParser {
public static final Map<String, String> mobileDeviceTypeMap = new HashMap<String, String>();
static {
mobileDeviceTypeMap.put("iOS", "General_Mobile");
mobileDeviceTypeMap.put("Android", "General_Mobile");
mobileDeviceTypeMap.put("Windows Phone", "General_Mobile");
mobileDeviceTypeMap.put("BlackBerry OS", "General_Mobile");
}
List<DevicePattern> patterns;
public DeviceParser(List<DevicePattern> patterns) {
this.patterns = patterns;
}
public List<DevicePattern> getPatterns() {
return patterns;
}
public Device parse(String agentString, OS os) {
String device = null;
for (DevicePattern p : patterns) {
if ((device = p.match(agentString)) != null) {
break;
}
}
if (device == null){
device = "Other";
}
Device dv = new Device(device);
String deviceType = mobileDeviceTypeMap.get(os.family);
if(deviceType != null){
if(deviceType.equals("General_Mobile")){
if( ! agentString.toLowerCase().contains("mobile") ){
deviceType = "General_Tablet";
}
}
dv.setDeviceType(deviceType);
}
return dv;
}
public static DeviceParser fromList(List<Map> configList) {
List<DevicePattern> configPatterns = new ArrayList<DevicePattern>();
for (Map<String, String> configMap : configList) {
configPatterns.add(DeviceParser.patternFromMap(configMap));
}
return new DeviceParser(configPatterns);
}
protected static DevicePattern patternFromMap(Map<String, String> configMap) {
String regex = configMap.get("regex");
if (regex == null) {
throw new IllegalArgumentException("Device is missing regex");
}
return new DevicePattern(Pattern.compile(regex),
configMap.get("device_replacement"));
}
protected static class DevicePattern {
private final Pattern pattern;
private final String familyReplacement;
public DevicePattern(Pattern pattern, String familyReplacement) {
this.pattern = pattern;
this.familyReplacement = familyReplacement;
}
public String getFamilyReplacement() {
return familyReplacement;
}
public String match(String agentString) {
Matcher matcher = pattern.matcher(agentString);
if (!matcher.find()) {
return null;
}
String family = null;
if (familyReplacement != null) {
if (familyReplacement.contains("$1")
&& matcher.groupCount() >= 1
&& matcher.group(1) != null) {
family = familyReplacement.replaceFirst("\\$1",
Matcher.quoteReplacement(matcher.group(1)));
} else {
family = familyReplacement;
}
} else if (matcher.groupCount() >= 1) {
family = matcher.group(1);
}
return family;
}
}
public static String parseDeviceType(String ua){
boolean isIPhone = ua.toLowerCase().contains("mobile");
boolean isAndroid = ua.toLowerCase().contains("android");
boolean isWindowPhone = ua.toLowerCase().contains("phone");
return "";
}
}