Java Utililty Methods InputStreamReader Read

List of utility methods to do InputStreamReader Read

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Description

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

Method

StringreadFile(String fileName)
Reads contents of file fully and returns as string. 
return readFile(fileName, "UTF-8");
StringreadFile(String fileName)
read File 
return readFile(fileName, ENCODING);
StringreadFile(String fileName)
read File 
FileInputStream fis = new FileInputStream(fileName);
BufferedReader in = new BufferedReader(new InputStreamReader(fis, "UTF-8"));
StringBuilder sb = new StringBuilder();
while (in.ready()) {
    String line = in.readLine();
    sb.append(line).append('\n');
in.close();
...
StringreadFile(String filename)
read File 
String content = "";
File fileDirs = new File(filename);
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(fileDirs), "UTF-8"));
String str;
while ((str = in.readLine()) != null) {
    content = content.concat(str + System.lineSeparator());
return content;
...
StringreadFile(String filename)
Reads the given filename into a string. 
return readInputStream(new FileInputStream(filename));
Stringreadfile(String filename)
readfile 
StringBuilder out = new StringBuilder();
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(filename), "KOI8-R"));
char[] buf = new char[8192];
int i;
while ((i = in.read(buf, 0, buf.length)) > -1) {
    if (i > 0) {
        out.append(buf, 0, i);
in.close();
return out.toString();
ListreadFile(String fileName)
read File 
List<String> rst = new ArrayList<String>();
BufferedReader br = null;
try {
    br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), "UTF-8"));
    String in = null;
    while ((in = br.readLine()) != null) {
        rst.add(in);
} catch (IOException ioe) {
    throw ioe;
} finally {
    br.close();
return rst;
StringreadFile(String fileName)
read File 
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), "UTF-8"));
StringBuilder fin = new StringBuilder();
for (;;) {
    int cur = in.read();
    if (cur < 0)
        break;
    fin.append((char) cur);
return fin.toString();
StringreadFile(String fileName)
read File 
StringBuilder sb = new StringBuilder();
BufferedReader br = null;
try {
    br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(fileName))));
    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line).append("\n");
} catch (IOException e) {
    e.printStackTrace();
} finally {
    try {
        if (br != null) {
            br.close();
    } catch (IOException e) {
        e.printStackTrace();
return sb.toString();
StringreadFile(String fileName)
read File 
InputStream in = new FileInputStream(new File(fileName));
return readStream(in);