src/main/java/org/imsglobal/lti/BasicLTIUtil.java
public static void dPrint(String str) {
        if (verbosePrint) {
            System.out.println(str);
        }
        M_log.fine(str);
    }
public static void dPrint(String str) {
        if (verbosePrint) {
            System.out.println(str);
        }
        M_log.fine(str);
    }
public static void dPrint ( String str ) { if ( verbosePrint ) { System . out . println ( str ) ; } M_log . fine ( str ) ; }
Simple Debug Print Mechanism
Simple Debug Print Mechanism