com.github.mjeanroy.springmvc.uadetector.resolvers.ReadableUserAgentResolver Maven / Gradle / Ivy
/**
* The MIT License (MIT)
*
* Copyright (c) 2014
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.github.mjeanroy.springmvc.uadetector.resolvers;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebArgumentResolver;
import org.springframework.web.context.request.NativeWebRequest;
import net.sf.uadetector.ReadableUserAgent;
import net.sf.uadetector.UserAgentStringParser;
import net.sf.uadetector.service.UADetectorServiceFactory;
/**
* Resolver that can be used to get user agent arguments.
*/
public class ReadableUserAgentResolver implements WebArgumentResolver {
/**
* Parser used to read user-agent header and detect device and browsers.
* Parser is thread safe and can be used concurrently.
*/
private final UserAgentStringParser parser;
/**
* Create resolver with a default parser.
*/
public ReadableUserAgentResolver() {
this.parser = UADetectorServiceFactory.getResourceModuleParser();
}
/**
* Create resolver with a custom parser.
*
* @param parser Parser.
*/
public ReadableUserAgentResolver(UserAgentStringParser parser) {
this.parser = parser;
}
@Override
public Object resolveArgument(MethodParameter methodParameter, NativeWebRequest webRequest) throws Exception {
final Class klass = methodParameter.getParameterType();
if (ReadableUserAgent.class.isAssignableFrom(klass)) {
final String header = webRequest.getHeader("User-Agent");
return parser.parse(header);
}
return UNRESOLVED;
}
}