Example usage for java.io FileOutputStream write

Introduction

In this page you can find the example usage for java.io FileOutputStream write.

Prototype

public void write(byte b[], int off, int len) throws IOException

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this file output stream.

Usage

From source file:Main.java

public static File downloadFile(String urlstr, File saveFile) {
    try {/*from  ww  w  .j a v  a2  s.  co  m*/
        URL url = new URL(urlstr);// cause speed low.
        URLConnection con = url.openConnection();
        con.setDoInput(true);
        con.connect();
        InputStream ins = con.getInputStream();
        final int bufsize = 102400;

        byte[] buffer = new byte[bufsize];
        int len = -1;
        FileOutputStream bos = new FileOutputStream(saveFile);
        while ((len = ins.read(buffer)) != -1) {
            bos.write(buffer, 0, len);

        }
        ins.close();
        bos.close();
        return saveFile;
    } catch (Error e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

@Deprecated
private static void copy(InputStream in, File dst) throws IOException {
    FileOutputStream out = new FileOutputStream(dst);
    byte[] buf = new byte[1024];
    int len;//from  w w w  .  j a v  a2  s  .c o  m

    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }

    in.close();
    out.close();
}

From source file:Main.java

public static void copyFileFromAssets(Context context, String fileName, File outputFile) {
    byte[] buffer = new byte[BUFFER_SIZE];
    int bytesCount;
    try {/*from  w  w  w  .  java 2 s  . c om*/
        InputStream imageStream = context.getAssets().open(fileName);
        FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
        while ((bytesCount = imageStream.read(buffer)) >= 0) {
            fileOutputStream.write(buffer, 0, bytesCount);
        }
        fileOutputStream.close();
        imageStream.close();
    } catch (IOException | Resources.NotFoundException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static boolean writeFile(String to, String value) {
    boolean result = false;

    FileOutputStream out = null;

    try {/*from  w w  w .  jav a  2  s  . co  m*/
        out = new FileOutputStream(to);
        byte[] buffer = value.getBytes();
        out.write(buffer, 0, value.length());
        out.flush();
        result = true;
    } catch (FileNotFoundException e) {
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException e) {
        }
    }
    return result;

}

From source file:Main.java

private static long copyLarge(InputStream input, File outputFile) throws IOException {
    byte[] buffer = new byte[16384];
    long count = 0;
    int n = 0;/*from  w w w.  j a v  a  2 s.  c  o m*/
    outputFile.getParentFile().mkdirs();
    FileOutputStream output = new FileOutputStream(outputFile);
    try {
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
            count += n;
        }
    } finally {
        output.close();
    }
    return count;
}

From source file:Main.java

private static void saveStream(InputStream is, String savePath) throws IOException {
    FileOutputStream output = new FileOutputStream(savePath);
    int readlen;//from   w w w  .j  a v a2 s . co  m

    byte[] buf = new byte[BUFF_SIZE];
    while ((readlen = is.read(buf)) > 0) {
        output.write(buf, 0, readlen);
    }
    output.close();
}

From source file:Main.java

public static void readAsFile(InputStream inSream, File file) throws Exception {
    FileOutputStream outStream = new FileOutputStream(file);
    byte[] buffer = new byte[1024];
    int len = -1;
    while ((len = inSream.read(buffer)) != -1) {
        outStream.write(buffer, 0, len);
    }/*from  w w w .  j a  va 2  s.  c  o  m*/
    outStream.close();
    inSream.close();
}

From source file:Main.java

public static void copyFile(FileInputStream src, FileOutputStream dst) throws Throwable {
    byte[] buf = new byte[65536];

    for (int len = src.read(buf); len > 0; len = src.read(buf)) {
        dst.write(buf, 0, len);
    }//from   www . j a v  a2s . co m

    src.close();
    dst.close();
}

From source file:org.eclipse.epp.internal.logging.aeri.ui.log.ProblemsDatabaseUpdateJobTest.java

private static void createEmptyZip(File file) throws IOException {
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(MINIMAL_ZIP_FILE, 0, 22);
    fos.flush();//from  www .j a v  a2  s  .c o  m
    fos.close();
}

From source file:Main.java

private static void writeToOutFile(File toFile, FileInputStream fosfrom) throws IOException {
    FileOutputStream fosto = null;
    fosto = new FileOutputStream(toFile);
    byte bt[] = new byte[1024];
    int c;//from   w  ww  . j  a v  a 2 s  .com
    while ((c = fosfrom.read(bt)) > 0) {
        fosto.write(bt, 0, c);
    }
    fosto.close();

}