Example usage for java.io InputStream read

Introduction

In this page you can find the example usage for java.io InputStream read.

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads some number of bytes from the input stream and stores them into the buffer array b.

Usage

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   ww  w.  j av  a 2s. co m*/

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

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

From source file:Main.java

public static byte[] toByte(InputStream input) throws IOException {
    byte[] buf = new byte[1024];
    int len = -1;
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    while ((len = input.read(buf)) != -1) {
        output.write(buf, 0, len);/* w w  w. j av a 2s .c  o  m*/
    }
    byte[] data = output.toByteArray();
    output.close();
    input.close();
    return data;
}

From source file:com.googlecode.download.maven.plugin.internal.SignatureUtils.java

static String computeSignatureAsString(File file, MessageDigest digest) throws IOException {
    InputStream fis = new FileInputStream(file);
    byte[] buffer = new byte[1024];
    int numRead;//from  w  ww.j a v a2 s  .c o  m
    do {
        numRead = fis.read(buffer);
        if (numRead > 0) {
            digest.update(buffer, 0, numRead);
        }
    } while (numRead != -1);
    fis.close();
    byte[] actualDigest = digest.digest();
    return new String(Hex.encodeHex(actualDigest));
}

From source file:Main.java

static void copyFile(File src, File dst) throws IOException {
    InputStream in = new FileInputStream(src);
    OutputStream out = new FileOutputStream(dst);

    // Transfer bytes from in to out
    byte[] buf = new byte[1024];
    int len;//from  w w w.j  a v  a 2  s.com
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
}

From source file:Main.java

public static OutputStream loadInputStreamToOutputStream(InputStream input, OutputStream output) {
    int BUFFER_SIZE = 1024 * 4;
    byte[] buffer = new byte[BUFFER_SIZE];
    int n = 0;//w ww  . j  a  v  a  2 s  .c  o m
    try {
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
        }
    } catch (Exception e) {

    }
    return output;
}

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  ww  .  j a v  a  2 s .  c  o  m*/
        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 byte[] readStream(InputStream inStream) throws Exception {
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len = 0;//  w  w  w.j  ava2  s . co  m
    while ((len = inStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, len);
    }
    outStream.close();
    return outStream.toByteArray();
}

From source file:Main.java

public static byte[] readStream(InputStream is) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[1024 * 10];
    int readlen;/*  w  ww.j  a va2  s .com*/
    while ((readlen = is.read(buf)) >= 0) {
        baos.write(buf, 0, readlen);
    }
    baos.close();

    return baos.toByteArray();
}

From source file:Main.java

public static byte[] readStream(InputStream in) throws Exception {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len = -1;
    while ((len = in.read(buffer)) != -1) {
        outputStream.write(buffer, 0, len);
    }/*w ww  . j  a  v a2s  .  co  m*/
    outputStream.close();
    in.close();
    return outputStream.toByteArray();
}

From source file:Main.java

private static byte[] readInputStream(InputStream inputStream) throws IOException {
    byte[] buffer = new byte[8192];
    int len = 0;//  ww  w.  ja  v  a 2s.  c  o m
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    while ((len = inputStream.read(buffer)) != -1) {
        bos.write(buffer, 0, len);
    }
    bos.close();
    return bos.toByteArray();
}