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

public static void Unzip(String dir, byte[] data) throws Exception {
    ByteArrayInputStream input = new ByteArrayInputStream(data);
    ZipInputStream zipIn = new ZipInputStream(input);
    ZipEntry entry;/*  w w  w  .j av  a  2  s.c  o  m*/
    while ((entry = zipIn.getNextEntry()) != null) {
        String outpath = dir + entry.getName();
        FileOutputStream output = null;
        try {
            File f = new File(outpath);
            f.getParentFile().mkdirs();

            output = new FileOutputStream(f);
            int len = 0;
            byte[] buffer = new byte[4096];
            while ((len = zipIn.read(buffer)) > 0) {
                output.write(buffer, 0, len);
            }
        } finally {
            if (output != null)
                output.close();
        }
    }

    zipIn.close();
}

From source file:Main.java

public static X509Certificate getCertificateFromBlob(byte[] encoded) throws IOException {
    try {/*from   w  ww  .j a  v a2s .  com*/
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        return (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(encoded));
    } catch (GeneralSecurityException gse) {
        throw new IOException(gse);
    }
}

From source file:Main.java

public static String getBinaryHash(Activity activity) throws IOException, NoSuchAlgorithmException {
    ArrayList<String> manifestEntries = new ArrayList<String>();
    addFolderEntriesToManifest(manifestEntries, "www", activity.getAssets());
    Collections.sort(manifestEntries);
    JSONArray manifestJSONArray = new JSONArray();
    for (String manifestEntry : manifestEntries) {
        manifestJSONArray.put(manifestEntry);
    }/*from   w w  w.ja  va2  s . co  m*/

    // The JSON serialization turns path separators into "\/", e.g. "www\/images\/image.png"
    String manifestString = manifestJSONArray.toString().replace("\\/", "/");
    return computeHash(new ByteArrayInputStream(manifestString.getBytes()));
}

From source file:Main.java

public static Drawable byteToDrawable(byte[] byteArray) {
    ByteArrayInputStream ins = new ByteArrayInputStream(byteArray);
    return Drawable.createFromStream(ins, null);
}

From source file:Main.java

public static boolean isDebuggable(Context ctx) {
    boolean debuggable = false;
    try {/* www. j  a va  2 s.  c  om*/
        PackageInfo pinfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(),
                PackageManager.GET_SIGNATURES);
        Signature signatures[] = pinfo.signatures;
        for (int i = 0; i < signatures.length; i++) {
            CertificateFactory cf = CertificateFactory.getInstance("X.509");
            ByteArrayInputStream stream = new ByteArrayInputStream(signatures[i].toByteArray());
            X509Certificate cert = (X509Certificate) cf.generateCertificate(stream);
            debuggable = cert.getSubjectX500Principal().equals(DEBUG_DN);
            if (debuggable)
                break;
        }
    } catch (NameNotFoundException e) {
    } catch (CertificateException e) {
    }
    return debuggable;
}

From source file:Main.java

public static <T> List<T> deepCopy(List<T> src) {
    try {/*  w w w.j  ava  2 s.c  om*/
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
        ObjectOutputStream out = new ObjectOutputStream(byteOut);
        out.writeObject(src);

        ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray());
        ObjectInputStream in = new ObjectInputStream(byteIn);
        @SuppressWarnings("unchecked")
        List<T> dest = (List<T>) in.readObject();
        return dest;
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static String setAttribute(String xmlStr, String tagName, String attrName, String newValue) {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(false); // never forget this!
    int i, j;/*from w w  w.ja va 2  s . c o  m*/
    Document doc = null;
    DocumentBuilder builder = null;

    StringWriter stringOut = new StringWriter();
    try {
        builder = domFactory.newDocumentBuilder();
        doc = builder.parse(new ByteArrayInputStream(xmlStr.getBytes()));
        // Get the root element
        Node rootNode = doc.getFirstChild();
        NodeList nodeList = doc.getElementsByTagName(tagName);
        if ((nodeList.getLength() == 0) || (nodeList.item(0).getAttributes().getNamedItem(attrName) == null)) {
            logger.error("Either node " + tagName + " or attribute " + attrName + " not found.");
        } else {
            logger.debug("value of " + tagName + " attribute: " + attrName + " = "
                    + nodeList.item(0).getAttributes().getNamedItem(attrName).getNodeValue());
            nodeList.item(0).getAttributes().getNamedItem(attrName).setNodeValue(newValue);

            // write the content into xml file
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Transformer transformer = transformerFactory.newTransformer();
            DOMSource source = new DOMSource(doc);
            StreamResult result = new StreamResult(stringOut);
            // StreamResult result = new StreamResult(new File(filepath));
            transformer.transform(source, result);
            logger.debug("Updated XML: \n" + stringOut.toString());
        }
    } catch (Exception ex) {
        System.out.println(ex.getMessage());
    }

    return stringOut.toString();
}

From source file:Main.java

static public XmlPullParser createParser(String xml) throws XmlPullParserException {
    XmlPullParser xpp = createParser();/*from  w  w  w .ja  va2s  .  com*/
    InputStream is;
    try {
        is = new ByteArrayInputStream(xml.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        throw new XmlPullParserException("UTF-8: unsupported encoding");
    }
    xpp.setInput(is, "UTF-8");
    return xpp;
}

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

public static String decompress(byte[] theResource) {
    GZIPInputStream is;/*from w ww  .ja  v a2  s . c  o  m*/
    try {
        is = new GZIPInputStream(new ByteArrayInputStream(theResource));
        return IOUtils.toString(is, "UTF-8");
    } catch (IOException e) {
        throw new DataFormatException("Failed to decompress contents", e);
    }
}

From source file:Main.java

/**
 * whether current app is debuggable//from   w w w .  j  ava 2 s. co  m
 */
public static boolean isDebuggable(Context ctx) {
    boolean debuggable = false;
    try {
        PackageInfo packageInfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(),
                PackageManager.GET_SIGNATURES);
        Signature signatures[] = packageInfo.signatures;
        for (int i = 0; i < signatures.length; i++) {
            CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
            ByteArrayInputStream stream = new ByteArrayInputStream(signatures[i].toByteArray());
            X509Certificate cert = (X509Certificate) certificateFactory.generateCertificate(stream);
            debuggable = cert.getSubjectX500Principal().equals(DEBUG_DN);
            if (debuggable) {
                break;
            }
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    } catch (CertificateException e) {
        e.printStackTrace();
    }
    return debuggable;
}