private static void visitFiles(
final File file, final Processor<String> processor, final int prefix) {
final String absolutePath = file.getAbsolutePath();
processor.process(prefix < absolutePath.length() ? absolutePath.substring(prefix) : "");
if (file.isDirectory()) {
for (final String next : file.list()) {
visitFiles(new File(file, next), processor, prefix);
}
}
}
public static void readFile(
final File file, final Charset charset, final Processor<CharSequence> lineProcessor)
throws IOException {
final LineNumberReader reader =
new LineNumberReader(
new InputStreamReader(new FileInputStream(file), charset), BUFFER_LENGTH);
int lineCounter = 0;
try {
String line;
while ((line = reader.readLine()) != null) {
lineProcessor.process(line);
lineCounter++;
}
} catch (Exception th) {
throw new RuntimeException("line number = " + lineCounter, th);
} finally {
reader.close();
}
}