Java Utililty Methods File to Reader

List of utility methods to do File to Reader

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Description

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

Method

BufferedReadernewReader(File file)
new Reader 
return new BufferedReader(new FileReader(file));
ReadernewReader(File file, String charset)
new Reader 
return new InputStreamReader(new FileInputStream(file), charset);
BufferedReadernewReader(File file, String encoding)
new Reader 
if (encoding == null || encoding.length() <= 0) {
    return new BufferedReader(new InputStreamReader(new FileInputStream(file)));
return new BufferedReader(new InputStreamReader(new FileInputStream(file), encoding));
BufferedReadernewReader(File pathname)
new Reader 
InputStream is = null;
try {
    is = new FileInputStream(pathname);
    return new BufferedReader(new InputStreamReader(is, "UTF-8"));
} catch (IOException e) {
    close(is);
return null;
...
BufferedReadernewReader(String value)
new Reader 
return (new BufferedReader(new StringReader(value)));
ReaderopenReader(File file)
Opens a Reader on a file. 
checkNull(file);
try {
    return new FileReader(file);
} catch (FileNotFoundException e) {
return null;
InputStreamReaderopenReader(final String file, String charset)
open Reader 
return new InputStreamReader(open(file), charset);
BufferedReaderopenReader(String dir, String filename, String encoding)
open Reader 
File file = new File(dir + filename);
return new BufferedReader(new InputStreamReader(new FileInputStream(file), encoding), 4 * 1024);
BufferedReaderopenReader(String file)
Create a newBufferedReader 
try {
    File f = new File(file);
    if (f.exists() == false) {
        return null;
    return new BufferedReader(new FileReader(file));
} catch (Exception e) {
    e.printStackTrace();
...
FileReaderopenReader(String filePath)
open Reader 
return openReader(new File(filePath));