Friday Nov 25, 2011

How to detect browser type and version from ADF Faces

Sometimes ADF applications need to know about the user browser type and version. For this, assuming you need this information in Java, you can use the Trinidad RequestContext object. You could also use the AdfFacesContext object for the same, but since the ADF Faces Agent class is marked as deprecated, using the equivalent Trinidad classes is the better choice.

The source code below prints the user browser information to the Oracle JDeveloper message window

import org.apache.myfaces.trinidad.context.Agent;
import org.apache.myfaces.trinidad.context.RequestContext;



RequestContext requestCtx = RequestContext.getCurrentInstance();
Agent agent = requestCtx.getAgent();
String version = agent.getAgentVersion();
String browser = agent.getAgentName();
String platform = agent.getPlatformName();
String platformVersion = agent.getPlatformVersion();

System.out.println("==================");
System.out.println("Your browser information: ");
System.out.println("Browser: "+browser);
System.out.println("Browser Version : "+version);
System.out.println("Browser Platform: "+platform);
System.out.println("Browser Platform Version:
"+platformVersion);
System.out.println("==================");


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A blog on Oracle JDeveloper, ADF, MAF, MCS and other mobile and web topics inspired by questions and answers posted on the OTN forums.



Frank Nimphius

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