Example usage for java.io ByteArrayInputStream ByteArrayInputStream

Introduction

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

Prototype

public ByteArrayInputStream(byte buf[])

Source Link

Document

Creates a ByteArrayInputStream so that it uses buf as its buffer array.

Usage

From source file:Main.java

/**
 * Writes the given byte array as a local file.
 *
 * @param array the byte array to read from
 * @param outputFileName the name of the file to write to
 * @return the URL for the local file//from w ww  .j a  v  a  2s.c om
 */
public static String writeFile(byte[] array, String outputFileName) throws IOException {
    InputStream in = new ByteArrayInputStream(array);
    try {
        return writeStreamToFile(in, outputFileName);
    } finally {
        in.close();
    }
}

From source file:Main.java

public static Document fromXML(String xml) throws ParserConfigurationException, IOException, SAXException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);// w  w  w  .  jav  a2 s .  co  m
    factory.setIgnoringElementContentWhitespace(true);
    DocumentBuilder builder = factory.newDocumentBuilder();

    return builder.parse(new ByteArrayInputStream(xml.getBytes("UTF-8")));
}

From source file:Main.java

public static void compressWithQuality(Bitmap image, String outPath, int maxSize) throws IOException {

    ByteArrayOutputStream os = new ByteArrayOutputStream();

    image.compress(Bitmap.CompressFormat.JPEG, 20, os);

    while (os.toByteArray().length / 1024 > 1024) {
        os.reset();/*from  w ww .j a  va  2 s.c  o  m*/
        image.compress(Bitmap.CompressFormat.JPEG, 20, os);
    }

    ByteArrayInputStream bi = new ByteArrayInputStream(os.toByteArray());
    BitmapFactory.decodeStream(bi);
    FileOutputStream fi = new FileOutputStream(outPath);
    fi.write(os.toByteArray());
    fi.flush();
    fi.close();

}

From source file:Main.java

public static Node bytesToXml(final byte[] body) throws TransformerException {
    final Transformer transformer = FACTORY.newTransformer();
    final Source source = new StreamSource(new ByteArrayInputStream(body));
    final DOMResult result = new DOMResult();
    transformer.transform(source, result);
    return result.getNode();
}

From source file:Main.java

/**
 * Returns the name of the root element of an XML message.
 * /*from   w ww . j ava  2s  . c  o  m*/
 * @param xml     XML message
 * @return the name of the root element
 * @exception Exception if an error occurs
 */
public static String getRootElementName(byte[] xml) throws Exception {

    ByteArrayInputStream is = new ByteArrayInputStream(xml);
    XMLEventReader reader = inputFactory.createXMLEventReader(is);

    while (reader.hasNext()) {
        XMLEvent event = (XMLEvent) reader.next();

        if (event.isStartElement()) {
            StartElement startElement = event.asStartElement();
            return startElement.getName().getLocalPart();
        }
    }

    reader.close();
    return "";
}

From source file:Main.java

public static Document loadXMLFrom(String xml) throws Exception {
    return loadXMLFrom(new ByteArrayInputStream(xml.getBytes()));
}

From source file:Main.java

public static void byteArrayToFile(byte[] bytes, String filePath) throws Exception {
    InputStream in = new ByteArrayInputStream(bytes);
    File destFile = new File(filePath);
    if (!destFile.getParentFile().exists()) {
        destFile.getParentFile().mkdirs();
    }//from  w ww .j ava 2 s. co  m
    destFile.createNewFile();
    OutputStream out = new FileOutputStream(destFile);
    byte[] cache = new byte[CACHE_SIZE];
    int nRead = 0;
    while ((nRead = in.read(cache)) != -1) {
        out.write(cache, 0, nRead);
        out.flush();
    }
    out.close();
    in.close();
}

From source file:Main.java

public static InputStream bitmap2InputStream(Bitmap bm, int quality) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.PNG, quality, baos);
    InputStream is = new ByteArrayInputStream(baos.toByteArray());
    return is;/*from   w w  w .  ja  v  a 2 s. c  om*/
}

From source file:Main.java

/**
 * Parse the supplied string into an xml document.
 * //from w  w  w . j ava 2  s. com
 * @param content
 * @return
 */
public static Document parseString(String content) {
    try {
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        documentBuilderFactory.setNamespaceAware(true);
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();

        //parse the stream into a document
        return documentBuilder.parse(new ByteArrayInputStream(content.getBytes()));
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Parses a string into an XMLDocument//from  w ww.ja v a2 s.  c  o m
 * 
 * @param xmlString
 * @return
 * @throws IOException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public static Document loadXML(String xmlString)
        throws IOException, ParserConfigurationException, SAXException {
    InputStream inputStream = new ByteArrayInputStream(xmlString.getBytes());
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
    Document doc = dBuilder.parse(inputStream);

    // optional, but recommended
    // read this -
    // http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
    doc.getDocumentElement().normalize();

    return doc;
}