Example usage for java.io ByteArrayOutputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closing a ByteArrayOutputStream has no effect.

Usage

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 .ja  va  2s  .c  o m
    outputStream.close();
    in.close();
    return outputStream.toByteArray();
}

From source file:com.cloud.utils.security.CertificateHelper.java

public static byte[] buildAndSaveKeystore(String alias, String cert, String privateKey, String storePassword)
        throws KeyStoreException, CertificateException, NoSuchAlgorithmException, InvalidKeySpecException,
        IOException {//w w  w  . java2  s .com
    KeyStore ks = buildKeystore(alias, cert, privateKey, storePassword);

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ks.store(os, storePassword != null ? storePassword.toCharArray() : null);
    os.close();
    return os.toByteArray();
}

From source file:Main.java

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

    return outstream.toByteArray();
}

From source file:Main.java

public static byte[] bitmap2Bytes(Bitmap bitmap) {
    ByteArrayOutputStream baos;
    try {//from w ww. j  ava 2 s .  c  o  m
        baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
        byte[] b = baos.toByteArray();
        baos.flush();
        baos.close();
        return b;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Saves a file from the given URL to the given filename and returns the file
 * @param link URL to file/*  www . j  a v a 2s . c o m*/
 * @param fileName Name to save the file
 * @return The file
 * @throws IOException Thrown if any IOException occurs
 */
public static File saveFileFromNet(URL link, String fileName) throws IOException {
    InputStream in = new BufferedInputStream(link.openStream());
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();

    File file = new File(fileName);
    if (!file.exists()) {
        if (file.getParentFile() != null) {
            file.getParentFile().mkdirs();
        }
        file.createNewFile();
    }
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(response);
    fos.close();

    return new File(fileName);
}

From source file:Main.java

/**
 * Saves a file from the given URL using HTTPS to the given filename and returns the file
 * @param link URL to file//from   w w w . java2 s .  co m
 * @param fileName Name to save the file
 * @return The file
 * @throws IOException Thrown if any IOException occurs
 */
public static void saveFileFromNetHTTPS(URL link, String fileName) throws IOException {
    HttpsURLConnection con = (HttpsURLConnection) link.openConnection();

    InputStream in = new BufferedInputStream(con.getInputStream());
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();

    File f = new File(fileName);
    if (f.getParentFile() != null) {
        if (f.getParentFile().mkdirs()) {
            System.out.println("Created Directory Structure");
        }
    }

    FileOutputStream fos = new FileOutputStream(f);
    fos.write(response);
    fos.close();
}

From source file:ca.uhn.fhir.jpa.dao.GZipUtil.java

public static byte[] compress(String theEncoded) {
    try {//from   ww  w  .  j av  a 2s  .com
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        GZIPOutputStream gos = new GZIPOutputStream(os);
        IOUtils.write(theEncoded, gos, "UTF-8");
        gos.close();
        os.close();
        byte[] retVal = os.toByteArray();
        return retVal;
    } catch (IOException e) {
        throw new DataFormatException("Compress contents", e);
    }
}

From source file:Main.java

public static byte[] toBytes(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int ch;/*from ww  w  .  java  2s.  c  o m*/
    while ((ch = in.read()) != -1) {
        out.write(ch);
    }
    byte buffer[] = out.toByteArray();
    out.close();
    return buffer;
}

From source file:Main.java

public static byte[] serialize(Object obj) throws Exception {
    //System.err.println(" ser ##"+obj);
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ObjectOutputStream oout = new ObjectOutputStream(bout);
    oout.writeObject(obj);//  w  w  w . j av  a  2  s  .c om
    oout.flush();
    byte array[] = bout.toByteArray();
    oout.close();
    bout.close();
    //System.err.println(" ser #"+new String(array));
    return array;
}

From source file:Main.java

public static byte[] readStream(InputStream inputStream) throws Exception {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len = 0;/*from  w  w w  .  jav a  2 s .  c om*/
    while ((len = inputStream.read(buffer)) != -1) {
        outputStream.write(buffer, 0, len);
    }
    outputStream.close();
    inputStream.close();
    return outputStream.toByteArray();
}