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

/**
 * Reads all the bytes from the passed input stream till end of stream
 * reached.//from w  w w .  ja  v a  2s . c  om
 * @param in The input stream to read from
 * @return array of bytes read
 * @exception IOException If any I/O exception occurs while reading data
 */
public static byte[] readFully(InputStream in) throws IOException {
    //create a new byte array stream to store the read data
    ByteArrayOutputStream byteArray = new ByteArrayOutputStream();

    //read the bytes till EOF
    byte[] buffer = new byte[1024];
    int bytesRead;
    while ((bytesRead = in.read(buffer)) != -1) {
        //append the bytes read to the byteArray buffer
        byteArray.write(buffer, 0, bytesRead);
    }

    //return the bytes read
    return byteArray.toByteArray();
}

From source file:Main.java

public static byte[] getBytesFromFile(File f) {
    if (f == null) {
        return null;
    }//w  ww  .j  av a  2 s .  c o m
    FileInputStream stream = null;
    ByteArrayOutputStream out = null;
    try {
        stream = new FileInputStream(f);
        out = new ByteArrayOutputStream(1000);
        byte[] b = new byte[1000];
        int n;
        while ((n = stream.read(b)) != -1)
            out.write(b, 0, n);

        return out.toByteArray();
    } catch (IOException e) {
    } finally {
        try {
            if (stream != null)
                stream.close();
            if (out != null)
                out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
    return null;
}

From source file:Main.java

public static byte[] zlibDecompress(byte[] data, int offset, int length) {
    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();/*from   w w  w  .ja v  a 2s .co  m*/
    try {
        decompresser.setInput(data, offset, length);
    } catch (Exception e) {
        return null;
    }

    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    } finally {
        try {
            o.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    decompresser.end();
    return output;
}

From source file:Main.java

public static byte[] compress(byte[] data) throws IOException {
    Deflater deflater = new Deflater();
    deflater.setInput(data);//  w ww.jav  a2s  .  c o m

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);

    deflater.finish();
    byte[] buffer = new byte[1024];
    while (!deflater.finished()) {
        int count = deflater.deflate(buffer); // returns the generated code... index  
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();

    System.out.println("Original: " + data.length / 1024 + " Kb");
    System.out.println("Compressed: " + output.length / 1024 + " Kb");
    return output;
}

From source file:Main.java

private static byte[] compress(byte[] data) throws IOException {
    Deflater deflater = new Deflater();
    deflater.setInput(data);//from w  w  w .j  a  v a 2 s  .co  m

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);

    deflater.finish();
    byte[] buffer = new byte[1024];
    while (!deflater.finished()) {
        int count = deflater.deflate(buffer); // returns the generated code... index  
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();
    deflater.end();

    // System.out.println("Original: " + data.length + " bytes.");
    // System.out.println("Compressed: " + output.length + " bytes.");
    return output;
}

From source file:Main.java

public static byte[] Compress(String text) throws Exception {
    Deflater compressor = new Deflater();
    byte[] bytes = text.getBytes("UTF-16LE");
    compressor.setInput(bytes);//from www .j a  v a 2  s  . co  m

    // Create an expandable byte array to hold the compressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    compressor.finish();

    byte[] buffer = new byte[1024];
    try {
        while (!compressor.finished()) {
            int count = compressor.deflate(buffer);
            bos.write(buffer, 0, count);
        }
    } finally {
        compressor.finish();
    }

    bos.close();
    return bos.toByteArray();
}

From source file:com.hybridbpm.ui.component.chart.util.DiagrammeUtil.java

public static byte[] readFromSource(String path) {
    InputStream streamSource = DiagrammeUtil.class.getResourceAsStream(path);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int length = 0;
    try {// w w w .j  a va 2 s. c o  m
        while ((length = streamSource.read(buffer)) != -1) {
            baos.write(buffer, 0, length);
        }
    } catch (IOException ex) {
        Logger.getLogger(DiagrammeUtil.class.getName()).log(Level.SEVERE, ex.getMessage(), ex);
    }
    return baos.toByteArray();
}

From source file:de.decidr.workflowmodeleditor.server.servicetask.WSDLUploadServletImpl.java

/**
 * Completely read input stream to memory and convert it to a ByteArrayInputStream.
 *//*ww w  .  j  a va 2  s .  com*/
private static ByteArrayInputStream receiveUpload(InputStream stream) throws IOException {
    byte[] buffer = new byte[4096];
    ByteArrayOutputStream data = new ByteArrayOutputStream(stream.available());
    int bytesRead;
    while ((bytesRead = stream.read(buffer)) > 0) {
        data.write(buffer, 0, bytesRead);
    }
    return new ByteArrayInputStream(data.toByteArray());
}

From source file:com.machinepublishers.jbrowserdriver.Util.java

static byte[] toBytes(InputStream inputStream) throws IOException {
    try {//from   w w  w.  j  av a  2  s .  c o m
        final byte[] bytes = new byte[8192];
        ByteArrayOutputStream out = new ByteArrayOutputStream(bytes.length);
        try {
            for (int len = 0; -1 != (len = inputStream.read(bytes, 0, bytes.length)); out.write(bytes, 0, len))
                ;
        } catch (EOFException | SSLProtocolException | ConnectionClosedException | SocketException e) {
        }
        return out.toByteArray();
    } finally {
        close(inputStream);
    }
}

From source file:com.vmware.identity.rest.core.client.RequestExecutor.java

private static String consumeContent(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream(in.available());

    final byte[] data = new byte[8196];
    int len = 0;/*from w w w .  j  a  v  a2s  . c  o m*/

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

    return out.toString();
}