if(hasCompilationUnit(canonicalName)) {
String fileName = canonicalName.replace('.', File.separatorChar);
File classFile = new File(folder, fileName + fileSuffix());
if(classFile.isFile()) {
is = new FileInputStream(classFile);
age = classFile.lastModified();
pathName = classFile.getAbsolutePath();
relativeName = fileName + fileSuffix();
fullName = canonicalName;
return true;
}