Java Utililty Methods BufferedReader Create

if (r instanceof BufferedReader || r instanceof StringReader)
    return r;
return new BufferedReader(r);

BufferedReader br = null;
if (br instanceof java.io.BufferedReader) {
    br = (BufferedReader) rd;
} else {
    br = new BufferedReader(rd);
return br;

if (!exists(directory, filename) && exists(directory, filename + ".gz")) {
    filename = filename + ".gz";
InputStream stream = new FileInputStream(new File(directory, filename));
if (filename.endsWith(".gz")) {
    stream = new GZIPInputStream(stream);
return new BufferedReader(new InputStreamReader(stream, FILE_ENCODING));
...

BufferedReader reader = null;
try {
    reader = new BufferedReader(new FileReader(file));
} catch (Exception e) {
return reader;

if (filename == "") {
    return null;
if (filename.equals("-")) {
    System.err.println("Processing input from std in.");
    return new BufferedReader(new InputStreamReader(System.in));
File inputFile = new File(filename);
...

if (filename.endsWith(GZIP_FILENAME_EXTENSION))
    return new BufferedReader(new InputStreamReader(
            (InputStream) new GZIPInputStream(new FileInputStream(filename)), encoding));
else
    return new BufferedReader(new InputStreamReader((InputStream) new FileInputStream(filename), encoding));

FileReader lector;
lector = new FileReader(nombreFichero);
BufferedReader bufferedReader;
bufferedReader = new BufferedReader(lector);
return bufferedReader;

BufferedReader br;
if (szFile.endsWith(".gz")) {
    try {
        br = new BufferedReader(new InputStreamReader(new GZIPInputStream(new FileInputStream(szFile))));
    } catch (IOException ioex) {
        System.out.println("IOException thrown for file " + szFile);
        throw ioex;
} else {
    br = new BufferedReader(new FileReader(szFile));
return br;

return new BufferedReader(getInputStreamReaderAsResource(clazz, fileName));

FileInputStream fin = new FileInputStream(file);
BufferedReader br;
if (file.getName().endsWith(".gz"))
    br = new BufferedReader(new InputStreamReader(new GZIPInputStream(fin)));
else
    br = new BufferedReader(new InputStreamReader(new DataInputStream(fin)));
return br;