Java FileReader Read readFile(Reader reader)

Description

read File

License

Open Source License

Declaration

public static String readFile(Reader reader) throws IOException 

Method Source Code

//package com.java2s;

import java.io.File;

import java.io.FileReader;

import java.io.IOException;

import java.io.Reader;

public class Main {
    public static String readFile(Reader reader) throws IOException {
        return readerToString(reader);
    }/*from w w w .  j a va  2 s . c  o  m*/

    public static String readFile(File f) throws IOException {
        FileReader reader = new FileReader(f);
        return readFile(reader);
    }

    public static String readFile(String filename) throws IOException {
        return readFile(new File(filename));
    }

    public static String readerToString(Reader is) throws IOException {
        StringBuffer sb = new StringBuffer();
        char[] b = new char[4 * 1024];
        int n = is.read(b);

        // Read a block. If it gets any chars, append them.
        while (n > 0) {
            sb.append(b, 0, n);
            n = is.read(b);
        }

        // Only construct the String object once, here.
        String s = sb.toString();
        // log.debug(this, "file contents:\n\t" + s);

        return (s);
    }
}

Related

1. readFile(File file)
2. readFile(File file)
3. readFile(File file)
4. readFile(File iFile)
5. readFile(final String fileName)
6. readFile(String file)
7. readFile(String file)
8. readFile(String filename)
9. readFile(String filename)