Example usage for java.io ByteArrayOutputStream write

Introduction

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

Prototype

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

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this ByteArrayOutputStream .

Usage

From source file:Main.java

public static String readTextFile(InputStream inputStream) {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

    byte buf[] = new byte[1024];
    int len;//from www.  ja va 2 s.  com
    try {
        while ((len = inputStream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
        }
        outputStream.close();
        inputStream.close();
    } catch (IOException e) {

    }
    return outputStream.toString();
}

From source file:Main.java

public static byte[] readFully(File file) throws IOException {
    final InputStream in = new FileInputStream(file);
    try {//from  w  w  w. j  av a2s .c o  m
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int count;
        while ((count = in.read(buffer)) != -1) {
            bytes.write(buffer, 0, count);
        }
        return bytes.toByteArray();
    } finally {
        in.close();
    }
}

From source file:Main.java

public static byte[] fileToByte(String filePath) throws Exception {
    byte[] data = new byte[0];
    File file = new File(filePath);
    if (file.exists()) {
        FileInputStream in = new FileInputStream(file);
        ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
        byte[] cache = new byte[CACHE_SIZE];
        int nRead = 0;
        while ((nRead = in.read(cache)) != -1) {
            out.write(cache, 0, nRead);
            out.flush();/*from  w  w  w.  java  2s .com*/
        }
        out.close();
        in.close();
        data = out.toByteArray();
    }
    return data;
}

From source file:Main.java

public static byte[] readInputStreamFully(InputStream is) {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    byte[] buffer = new byte[32768];
    int count;/*w w  w  . j  a  va2  s. c o m*/
    try {
        while ((count = is.read(buffer)) != -1) {
            os.write(buffer, 0, count);
        }
        is.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    return os.toByteArray();
}

From source file:Main.java

public static byte[] stream2bytes(InputStream inStream) throws IOException {
    byte[] buff = new byte[1024];
    byte[] data = null;
    try {/*from  w ww .  j  a v  a2  s  .  c o  m*/
        ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
        int read = 0;
        while ((read = inStream.read(buff, 0, 100)) > 0) {
            swapStream.write(buff, 0, read);
        }
        data = swapStream.toByteArray();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return data;
}

From source file:Main.java

public static byte[] readInputStream(InputStream inStream) throws Exception {
    ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
    byte[] buffer = new byte[4096];
    int len = 0;// w  w w  .j a v a2s . c  o  m
    while ((len = inStream.read(buffer)) != -1) {
        outSteam.write(buffer, 0, len);
    }
    outSteam.close();
    inStream.close();
    return outSteam.toByteArray();
}

From source file:Main.java

public static byte[] readStream(InputStream inStream) {
    try {//from  w w w.ja v a 2 s  .  c  o  m
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int len = 0;
        while ((len = inStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, len);
        }

        byte[] data = outStream.toByteArray();
        outStream.flush();
        outStream.close();
        inStream.close();

        return data;
    } catch (OutOfMemoryError e) {
        return null;
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static byte[] getBytesFromStream(InputStream inputStream) {
    ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
    byte[] buffer = new byte[1024];
    int len;/*from w  ww .j  a v  a  2  s.c  o  m*/
    try {
        while ((len = inputStream.read(buffer)) >= 0) {
            os.write(buffer, 0, len);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return os.toByteArray();
}

From source file:io.undertow.testutils.HttpClientUtils.java

public static byte[] readRawResponse(InputStream stream) throws IOException {
    final ByteArrayOutputStream b = new ByteArrayOutputStream();
    byte[] data = new byte[100];
    int read;//from  w  ww .  ja  v a2  s  .  com
    while ((read = stream.read(data)) != -1) {
        b.write(data, 0, read);
    }
    return b.toByteArray();
}

From source file:Main.java

public static byte[] downloadImageFromURL(String strUrl) throws Exception {
    InputStream in;/*from   w ww.  jav a 2 s .co m*/
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    URL url = new URL(strUrl);
    in = new BufferedInputStream(url.openStream());
    byte[] buf = new byte[2048];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();
    FileOutputStream fos = new FileOutputStream("/Users/image.jpg");
    fos.write(response);
    fos.close();
    return response;
}