/**
* Prechecks before normal write
*
* <p>
*
* <ul>
* <li>If the tag is actually empty, remove the tag
* <li>if the file is not writable, throw exception
* <li>
* <li>If the file is too small to be a valid file, throw exception
* <li>
* </ul>
*
* @param af
* @throws CannotWriteException
*/
private void precheckWrite(AudioFile af) throws CannotWriteException {
// Preliminary checks
try {
if (af.getTag().isEmpty()) {
delete(af);
return;
}
} catch (CannotReadException re) {
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED.getMsg(af.getFile().getPath()));
}
if (!af.getFile().canWrite()) {
logger.severe(ErrorMessage.GENERAL_WRITE_FAILED.getMsg(af.getFile().getPath()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED.getMsg(af.getFile().getPath()));
}
if (af.getFile().length() <= MINIMUM_FILESIZE) {
logger.severe(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(
af.getFile().getPath()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(
af.getFile().getPath()));
}
}
/**
* Check can write to file
*
* @param file
* @throws IOException
*/
public void precheck(File file) throws IOException {
if (!file.exists()) {
logger.severe(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_NOT_FOUND.getMsg(file.getName()));
throw new IOException(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_NOT_FOUND.getMsg(file.getName()));
}
if (!file.canWrite()) {
logger.severe(ErrorMessage.GENERAL_WRITE_FAILED.getMsg(file.getName()));
throw new IOException(ErrorMessage.GENERAL_WRITE_FAILED.getMsg(file.getName()));
}
if (file.length() <= MINIMUM_FILESIZE) {
logger.severe(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(file.getName()));
throw new IOException(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(file.getName()));
}
}