@Override
public Map<String, ?> getAttributes(URI uri, Map<?, ?> options) {
Map<String, Object> result = new HashMap<String, Object>();
String filePath = uri.toFileString();
File file = new File(filePath);
if (file.exists()) {
Set<String> requestedAttributes = getRequestedAttributes(options);
if (requestedAttributes == null
|| requestedAttributes.contains(IURIConverter.ATTRIBUTE_TIME_STAMP)) {
result.put(IURIConverter.ATTRIBUTE_TIME_STAMP, file.lastModified());
}
if (requestedAttributes == null
|| requestedAttributes.contains(IURIConverter.ATTRIBUTE_LENGTH)) {
result.put(IURIConverter.ATTRIBUTE_LENGTH, file.length());
}
if (requestedAttributes == null
|| requestedAttributes.contains(IURIConverter.ATTRIBUTE_READ_ONLY)) {
result.put(IURIConverter.ATTRIBUTE_READ_ONLY, !file.canWrite());
}
if (requestedAttributes == null
|| requestedAttributes.contains(IURIConverter.ATTRIBUTE_HIDDEN)) {
result.put(IURIConverter.ATTRIBUTE_HIDDEN, file.isHidden());
}
if (requestedAttributes == null
|| requestedAttributes.contains(IURIConverter.ATTRIBUTE_DIRECTORY)) {
result.put(IURIConverter.ATTRIBUTE_DIRECTORY, file.isDirectory());
}
}
return result;
}
/**
* Creates an input stream for the file path and returns it.
*
* <p>This implementation allocates a {@link FileInputStream}.
*
* @return an open input stream.
* @exception IOException if there is a problem obtaining an open input stream.
*/
@Override
public InputStream createInputStream(URI uri, Map<?, ?> options) throws IOException {
String filePath = uri.toFileString();
File file = new File(filePath);
InputStream inputStream = new FileInputStream(file);
Map<Object, Object> response = getResponse(options);
if (response != null) {
response.put(IURIConverter.RESPONSE_TIME_STAMP_PROPERTY, file.lastModified());
}
return inputStream;
}
@Override
public void setAttributes(URI uri, Map<String, ?> attributes, Map<?, ?> options)
throws IOException {
String filePath = uri.toFileString();
File file = new File(filePath);
if (file.exists()) {
Long timeStamp = (Long) attributes.get(IURIConverter.ATTRIBUTE_TIME_STAMP);
if (timeStamp != null && !file.setLastModified(timeStamp)) {
throw new IOException("Could not set the timestamp for the file '" + file + "'");
}
Boolean isReadOnly = (Boolean) attributes.get(IURIConverter.ATTRIBUTE_READ_ONLY);
if (Boolean.TRUE.equals(isReadOnly) && !file.setReadOnly()) {
throw new IOException("Could not set the file '" + file + "' to be read only");
}
} else {
throw new FileNotFoundException("The file '" + file + "' does not exist");
}
}
/**
* Creates an output stream for the file path and returns it.
*
* <p>This implementation allocates a {@link FileOutputStream} and creates subdirectories as
* necessary.
*
* @return an open output stream.
* @exception IOException if there is a problem obtaining an open output stream.
*/
@Override
public OutputStream createOutputStream(URI uri, Map<?, ?> options) throws IOException {
String filePath = uri.toFileString();
final File file = new File(filePath);
String parent = file.getParent();
if (parent != null) {
new File(parent).mkdirs();
}
final Map<Object, Object> response = getResponse(options);
OutputStream outputStream =
new FileOutputStream(file) {
@Override
public void close() throws IOException {
try {
super.close();
} finally {
if (response != null) {
response.put(IURIConverter.RESPONSE_TIME_STAMP_PROPERTY, file.lastModified());
}
}
}
};
return outputStream;
}
@Override
public boolean exists(URI uri, Map<?, ?> options) {
String filePath = uri.toFileString();
File file = new File(filePath);
return file.exists();
}
@Override
public void delete(URI uri, Map<?, ?> options) throws IOException {
String filePath = uri.toFileString();
File file = new File(filePath);
file.delete();
}
