bundles/org.apache.jasper.glassfish/src/org/apache/jasper/compiler/Generator.java
private void genPreamblePackage(String packageName)
        throws JasperException {
        if (!"".equals(packageName) && packageName != null) {
            out.printil("package " + packageName + ";");
            out.println();
        }
    }
private void genPreamblePackage(String packageName)
        throws JasperException {
        if (!"".equals(packageName) && packageName != null) {
            out.printil("package " + packageName + ";");
            out.println();
        }
    }
Generate preamble package name
(shared by servlet and tag handler preamble generation)