protected Path convertToRelative(final Path path) {
if (path != null) {
final RelativePathService service = property().service(RelativePathService.class);
if (service == null) {
if (enclosed()) {
for (Path root : getBasePaths()) {
if (root.isPrefixOf(path)) {
return path.makeRelativeTo(root);
}
}
} else {
final String pathDevice = path.getDevice();
for (Path root : getBasePaths()) {
if (MiscUtil.equal(pathDevice, root.getDevice())) {
return path.makeRelativeTo(root);
}
}
}
} else {
return service.convertToRelative(path);
}
}
return null;
}
protected Path convertToAbsolute(final Path path) {
if (path != null) {
final RelativePathService service = property().service(RelativePathService.class);
if (service == null) {
if (enclosed() && path.segmentCount() > 0 && path.segment(0).equals("..")) {
return null;
}
Path absolute = null;
for (Path root : getBasePaths()) {
try {
final File file = root.append(path).toFile().getCanonicalFile();
absolute = new Path(file.getPath());
if (file.exists()) {
break;
}
} catch (IOException e) {
// Intentionally ignoring to continue to the next root. If none of the roots
// produce a viable absolute path, a null return from this method signifies
// being unable to convert the relative path. That is sufficient.
}
}
return absolute;
} else {
return service.convertToAbsolute(path);
}
}
return null;
}
protected boolean enclosed() {
final RelativePathService service = property().service(RelativePathService.class);
if (service == null) {
return true;
} else {
return service.enclosed();
}
}