Java Utililty Methods Reader Read All

List of utility methods to do Reader Read All

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Description

The list of methods to do Reader Read All are organized into topic(s).

Method

voidReadAll_Variant1(Reader rd, Writer wr)
Read Al Variant 
if (rd == null) {
    throw new Exception("Reader not specified");
if (wr == null) {
    throw new Exception("Writer not specified");
char[] buf = new char[2048];
int nread = 0; 
...
StringreadAllChars(Reader reader)
read All Chars 
char[] buffer = new char[2048];
StringBuilder builder = new StringBuilder();
while (true) {
    int read = reader.read(buffer);
    if (read == -1) {
        break;
    builder.append(buffer, 0, read);
...
char[]readAllChars(Reader reader)
Reads all characters from a reader. 
CharArrayWriter caw = new CharArrayWriter();
char[] cbuf = new char[BUFFER_SIZE];
int n;
while ((n = reader.read(cbuf)) != -1) {
    caw.write(cbuf, 0, n);
return caw.toCharArray();
StringreadAllCharsAndClose(Reader reader)
read All Chars And Close 
try {
    return readAllChars(reader);
} finally {
    safeClose(reader);
CharArrayWriterreadAllCharsFromReader(Reader reader)
Reads and returns all chars from given reader until an EOF is read. 
try {
    final int BUFFER_SIZE = 1024;
    char[] buffer = new char[BUFFER_SIZE];
    CharArrayWriter chars = new CharArrayWriter();
    int read;
    while ((read = reader.read(buffer)) != EOF) {
        chars.write(buffer, 0, read);
    return chars;
} finally {
    reader.close();
StringreadAllFrom(final Reader reader)
reads all lines in a reader into a single string 
final StringBuilder buffer = new StringBuilder();
final char[] inputBuffer = new char[1024];
int readlen;
while ((readlen = reader.read(inputBuffer)) != -1) {
    buffer.append(inputBuffer, 0, readlen);
reader.close();
return buffer.toString();
...
ListreadAllLines(final BufferedReader br)
Read all lines from a reader. 
final List<String> allLines = new ArrayList<>();
for (;;) {
    final String line = br.readLine();
    if (line == null) {
        break;
    allLines.add(line);
return allLines;
StringreadAllQuietly(Reader reader)
read All Quietly 
try {
    return readAll(reader);
} catch (IOException e) {
    throw new RuntimeException();
StringreadAllToString(Reader reader)
Reads all from a Reader into a String. 
char buf[] = new char[4096];
StringBuilder strBuffer = new StringBuilder();
int size = 0;
try {
    while ((size = reader.read(buf)) != -1) {
        strBuffer.append(buf, 0, size);
} finally {
...