gistfile1.txt

/**
 * ManagedPackageUtils
 * @description Utility class for finding info out regarding managed package
 * @author James Loghry
 * @date 2/12/2013
 */
public class ManagedPackageUtils{
    
    /**
     * @description determines the namespace prefix of the managed package
     */
    public static String getNamespacePrefix(){
        String ans = [Select NamespacePrefix From ApexClass Where Name='ContactTriggerHandler'].NamespacePrefix;
        return (ans == null) ? '' : ans+'__';
    }
}