if (executionCourseIDString != null) {
if (executionCourseIDString != null && executionCourseIDString.length() > 0) {
	public Integer getExecutionCourseID() {        if (this.executionCourseID == null) {            if (this.executionCourseIdHidden != null && this.executionCourseIdHidden.getValue() != null) {                this.executionCourseID = Integer.valueOf(this.executionCourseIdHidden.getValue()                        .toString());            } else {                String executionCourseIDString = this.getRequestParameter("executionCourseID");                if (executionCourseIDString != null) {                    this.executionCourseID = Integer.valueOf(executionCourseIDString);                }            }        }        return this.executionCourseID;    }