Java File to String fileToString(File file, String charsetName)

Description

file To String

License

Open Source License

Declaration

public static String fileToString(File file, String charsetName) throws IOException 

Method Source Code

//package com.java2s;
import java.io.*;

public class Main {
    public static String fileToString(File file, String charsetName) throws IOException {
        FileInputStream in = new FileInputStream(file);
        try {/*from w  w  w  . j av  a  2s.  c  om*/
            return allToString(new InputStreamReader(in, charsetName));
        } finally {
            in.close();
        }
    }

    public static String allToString(InputStream is, String charsetName) throws IOException {
        if (is instanceof ByteArrayInputStream) {
            byte[] bytes = new byte[is.available()];
            //noinspection ResultOfMethodCallIgnored
            is.read(bytes);
            return new String(bytes, charsetName);
        }

        return allToString(new InputStreamReader(is, charsetName));
    }

    public static String allToString(Reader in) throws IOException {
        StringBuilder buf = new StringBuilder();
        int size = 16384;
        char[] str = new char[size];
        int n;
        while ((n = in.read(str, 0, size)) > 0) {
            buf.append(str, 0, n);
        }
        return buf.toString();
    }
}

Related

1. fileToString(File file)
2. fileToString(File file)
3. fileToString(File file)
4. fileToString(File file)
5. fileToString(File file, int max)
6. fileToString(File file, String charsetName)
7. fileToString(File files[])
8. fileToString(final File file)
9. fileToString(final File file, final String charsetName)