org.primefaces.util.AgentUtils Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* 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 org.primefaces.util;
import javax.faces.context.FacesContext;
public class AgentUtils {
private AgentUtils() {}
public static boolean isIE(FacesContext context) {
String userAgent = context.getExternalContext().getRequestHeaderMap().get("User-Agent");
if(userAgent == null)
return false;
else
return userAgent.contains("MSIE");
}
public static boolean isIE(FacesContext context, int value) {
String userAgent = context.getExternalContext().getRequestHeaderMap().get("User-Agent");
if(userAgent == null) {
return false;
}
else {
int index = userAgent.indexOf("MSIE");
if(index == -1) {
return false;
}
else {
int version = Double.valueOf(userAgent.substring((index + 5), userAgent.indexOf(";", index))).intValue();
return version == value;
}
}
}
public static boolean isLessThanIE(FacesContext context, int value) {
String userAgent = context.getExternalContext().getRequestHeaderMap().get("User-Agent");
if(userAgent == null) {
return false;
}
else {
int index = userAgent.indexOf("MSIE");
if(index == -1) {
return false;
}
else {
int version = Double.valueOf(userAgent.substring((index + 5), userAgent.indexOf(";", index))).intValue();
return version > value;
}
}
}
}