Java Text File Write writeString(File file, String s, int bufferSize, String encoding)

Description

Writes string to a file.

License

Apache License

Parameter

Parameter	Description
file	destination file
s	source string
bufferSize	buffer size
encoding	java encoding string

Exception

Parameter	Description
IOException	an exception

Declaration

public static void writeString(File file, String s, int bufferSize, String encoding) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.BufferedWriter;
import java.io.File;

import java.io.FileOutputStream;

import java.io.FileWriter;
import java.io.IOException;

import java.io.OutputStreamWriter;

public class Main {
    /**/*from   w w w  .j ava 2 s .com*/
     * Buffer size (32KB) for file string methods.
     */
    public final static int STRING_BUFFER_SIZE = 32 * 1024;

    /**
     * Writes string to a file. Implicitly assumes that the file will be written the
     * default encoding.
     * 
     * @param fileName name of the destination file
     * @param s        source string
     * @throws IOException
     */
    public static void writeString(String fileName, String s) throws IOException {
        writeString(new File(fileName), s, STRING_BUFFER_SIZE);
    }

    /**
     * Writes string to a file. Implicitly assumes that the file will be written the
     * default encoding.
     * 
     * @param fileName   name of the destination file
     * @param s          source string
     * @param bufferSize buffer size
     * @throws IOException
     */
    public static void writeString(String fileName, String s, int bufferSize) throws IOException {
        writeString(new File(fileName), s, bufferSize);
    }

    /**
     * Writes string to a file. Implicitly assumes that the file will be written the
     * default encoding.
     * 
     * @param file destination file
     * @param s    source string
     * @throws IOException
     */
    public static void writeString(File file, String s) throws IOException {
        writeString(file, s, STRING_BUFFER_SIZE);
    }

    /**
     * Writes string to a file. Implicitly assumes that the file will be written the
     * default encoding.
     * 
     * @param file       destination file
     * @param s          source string
     * @param bufferSize buffer size
     * @throws IOException
     */
    public static void writeString(File file, String s, int bufferSize) throws IOException {
        FileWriter fw = null;
        BufferedWriter out = null;
        if (s == null) {
            return;
        }
        try {
            fw = new FileWriter(file);
            out = new BufferedWriter(fw, bufferSize);
            out.write(s);
        } finally {
            if (out != null) {
                out.close();
                fw = null;
            }
            if (fw != null) {
                fw.close();
            }
        }
    }

    /**
     * Writes string to a file.
     * 
     * @param fileName destination file name
     * @param s        source string
     * @param encoding java encoding string
     * @throws IOException
     */
    public static void writeString(String fileName, String s, String encoding) throws IOException {
        writeString(new File(fileName), s, STRING_BUFFER_SIZE, encoding);
    }

    /**
     * Writes string to a file.
     * 
     * @param fileName   destination file name
     * @param s          source string
     * @param bufferSize buffer size
     * @param encoding   java encoding string
     * @throws IOException
     */
    public static void writeString(String fileName, String s, int bufferSize, String encoding) throws IOException {
        writeString(new File(fileName), s, bufferSize, encoding);
    }

    /**
     * Writes string to a file.
     * 
     * @param file     destination file
     * @param s        source string
     * @param encoding java encoding string
     * @throws IOException
     */
    public static void writeString(File file, String s, String encoding) throws IOException {
        writeString(file, s, STRING_BUFFER_SIZE, encoding);
    }

    /**
     * Writes string to a file.
     * 
     * @param file       destination file
     * @param s          source string
     * @param bufferSize buffer size
     * @param encoding   java encoding string
     * @throws IOException
     */
    public static void writeString(File file, String s, int bufferSize, String encoding) throws IOException {
        if (s == null) {
            return;
        }
        FileOutputStream fos = null;
        OutputStreamWriter osw = null;
        BufferedWriter out = null;
        try {
            fos = new FileOutputStream(file);
            osw = new OutputStreamWriter(fos, encoding);
            out = new BufferedWriter(osw, bufferSize);
            out.write(s);
        } finally {
            if (out != null) {
                out.close();
                osw = null;
                fos = null;
            }
            if (osw != null) {
                osw.close();
                fos = null;
            }
            if (fos != null) {
                fos.close();
            }
        }
    }
}

Related

1. writeString(File file, String content, boolean append)
2. writeString(File file, String data)
3. writeString(File file, String str)
4. writeString(File file, String str, String encoding)
5. writeString(File file, String string)
6. writeString(File file, String string)