Java BufferedInputStream Copy copyFileToTemp(InputStream is, String dirName, String fileName)

Description

copy File To Temp

License

Open Source License

Declaration

public static File copyFileToTemp(InputStream is, String dirName, String fileName) 

Method Source Code

//package com.java2s;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

public class Main {
    public static File copyFileToTemp(InputStream is, String dirName, String fileName) {
        File path = new File(System.getProperty("java.io.tmpdir") + "/" + dirName);
        File outputfile = new File(path + "/" + fileName);
        try {//  w  ww. ja va2 s .c om
            if (path.exists() == false) {
                path.mkdir();
            }
            if (outputfile.exists() == false) {
                outputfile.createNewFile();
            }
            BufferedInputStream bis = new BufferedInputStream(is);
            BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(outputfile));
            int FILE_CHUNK_SIZE = 10000;
            byte[] bytearray = new byte[FILE_CHUNK_SIZE];
            int count = 0;
            while ((count = bis.read(bytearray, 0, FILE_CHUNK_SIZE)) != -1) {
                bos.write(bytearray, 0, count);
            }
            bos.flush();
            bos.close();
        } catch (Exception e) {
            e.printStackTrace();
            // TODO error msg
            return null;
        }
        return outputfile;
    }
}

Related

1. copyFileFromZipToDir(String zipFile, String fileNamePattern, File dir)
2. copyFileNormal(File copyFrom, File copyTo)
3. copyFileToFile(File in, File out)
4. copyFileToStream(File from, OutputStream out)
5. copyFileToStream(File input, OutputStream os)
6. copyFileUnique(File in, File outDir)