Example usage for java.io ByteArrayOutputStream size

List of usage examples for java.io ByteArrayOutputStream size

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Introduction

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

Prototype

public synchronized int size()

Source Link

Document

Returns the current size of the buffer.

Usage

From source file:org.omegat.filters.TestFilterBase.java

public static void compareBinary(File f1, File f2) throws Exception {
    ByteArrayOutputStream d1 = new ByteArrayOutputStream();
    FileUtils.copyFile(f1, d1);/* w ww .  j  a  va  2 s . com*/

    ByteArrayOutputStream d2 = new ByteArrayOutputStream();
    FileUtils.copyFile(f2, d2);

    assertEquals(d1.size(), d2.size());
    byte[] a1 = d1.toByteArray();
    byte[] a2 = d2.toByteArray();
    for (int i = 0; i < d1.size(); i++) {
        assertEquals(a1[i], a2[i]);
    }
}

From source file:StringUtilities.java

/**
 * Parses digest-challenge string, extracting each token and value(s). Each token
 * is a directive.//from  w  ww . j  a v  a 2  s.co  m
 *
 * @param buf A non-null digest-challenge string.
 * @throws UnsupportedEncodingException 
 * @throws SaslException if the String cannot be parsed according to RFC 2831
 */
public static HashMap<String, String> parseDirectives(byte[] buf) throws SaslException {
    HashMap<String, String> map = new HashMap<String, String>();
    boolean gettingKey = true;
    boolean gettingQuotedValue = false;
    boolean expectSeparator = false;
    byte bch;

    ByteArrayOutputStream key = new ByteArrayOutputStream(10);
    ByteArrayOutputStream value = new ByteArrayOutputStream(10);

    int i = skipLws(buf, 0);
    while (i < buf.length) {
        bch = buf[i];

        if (gettingKey) {
            if (bch == ',') {
                if (key.size() != 0) {
                    throw new SaslException("Directive key contains a ',':" + key);
                }

                // Empty element, skip separator and lws
                i = skipLws(buf, i + 1);
            } else if (bch == '=') {
                if (key.size() == 0) {
                    throw new SaslException("Empty directive key");
                }

                gettingKey = false; // Termination of key
                i = skipLws(buf, i + 1); // Skip to next non whitespace

                // Check whether value is quoted
                if (i < buf.length) {
                    if (buf[i] == '"') {
                        gettingQuotedValue = true;
                        ++i; // Skip quote
                    }
                } else {
                    throw new SaslException("Valueless directive found: " + key.toString());
                }
            } else if (isLws(bch)) {
                // LWS that occurs after key
                i = skipLws(buf, i + 1);

                // Expecting '='
                if (i < buf.length) {
                    if (buf[i] != '=') {
                        throw new SaslException("'=' expected after key: " + key.toString());
                    }
                } else {
                    throw new SaslException("'=' expected after key: " + key.toString());
                }
            } else {
                key.write(bch); // Append to key
                ++i; // Advance
            }
        } else if (gettingQuotedValue) {
            // Getting a quoted value
            if (bch == '\\') {
                // quoted-pair = "\" CHAR ==> CHAR
                ++i; // Skip escape
                if (i < buf.length) {
                    value.write(buf[i]);
                    ++i; // Advance
                } else {
                    // Trailing escape in a quoted value
                    throw new SaslException("Unmatched quote found for directive: " + key.toString()
                            + " with value: " + value.toString());
                }
            } else if (bch == '"') {
                // closing quote
                ++i; // Skip closing quote
                gettingQuotedValue = false;
                expectSeparator = true;
            } else {
                value.write(bch);
                ++i; // Advance
            }
        } else if (isLws(bch) || bch == ',') {
            // Value terminated
            extractDirective(map, key.toString(), value.toString());
            key.reset();
            value.reset();
            gettingKey = true;
            gettingQuotedValue = expectSeparator = false;
            i = skipLws(buf, i + 1); // Skip separator and LWS
        } else if (expectSeparator) {
            throw new SaslException(
                    "Expecting comma or linear whitespace after quoted string: \"" + value.toString() + "\"");
        } else {
            value.write(bch); // Unquoted value
            ++i; // Advance
        }
    }

    if (gettingQuotedValue) {
        throw new SaslException(
                "Unmatched quote found for directive: " + key.toString() + " with value: " + value.toString());
    }

    // Get last pair
    if (key.size() > 0) {
        extractDirective(map, key.toString(), value.toString());
    }

    return map;
}

From source file:com.googlecode.jtiger.modules.ecside.util.ExtremeUtils.java

public static int sessionSize(HttpSession session) {
    int total = 0;

    try {/*ww  w.j  a v  a  2  s .  c o  m*/
        java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
        java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream(baos);
        Enumeration enumeration = session.getAttributeNames();

        while (enumeration.hasMoreElements()) {
            String name = (String) enumeration.nextElement();
            Object obj = session.getAttribute(name);
            oos.writeObject(obj);

            int size = baos.size();
            total += size;
            logger.debug("The session name: " + name + " and the size is: " + size);
        }

        logger.debug("Total session size is: " + total);
    } catch (Exception e) {
        logger.error("Could not get the session size - " + ExceptionUtils.formatStackTrace(e));
    }

    return total;
}

From source file:Main.java

public static Bitmap loadImageFromUrl(String url) {
    ByteArrayOutputStream out = null;
    Bitmap bitmap = null;//from   w w w .  j a v  a  2  s.c  o  m
    int BUFFER_SIZE = 1024 * 8;
    try {
        BufferedInputStream in = new BufferedInputStream(new URL(url).openStream(), BUFFER_SIZE);
        out = new ByteArrayOutputStream(BUFFER_SIZE);
        int length = 0;
        byte[] tem = new byte[BUFFER_SIZE];
        length = in.read(tem);
        while (length != -1) {
            out.write(tem, 0, length);
            out.flush();
            length = in.read(tem);
        }
        in.close();
        if (out.toByteArray().length != 0) {
            bitmap = BitmapFactory.decodeByteArray(out.toByteArray(), 0, out.size());
        } else {
            out.close();
            return null;
        }
        out.close();
    } catch (OutOfMemoryError e) {

        out.reset();
        BitmapFactory.Options opts = new BitmapFactory.Options();
        opts.inSampleSize = 2;
        opts.inJustDecodeBounds = false;
        bitmap = BitmapFactory.decodeByteArray(out.toByteArray(), 0, out.size(), opts);
        return bitmap;
    } catch (Exception e) {

        return bitmap;
    }
    return bitmap;
}

From source file:com.feilong.commons.core.lang.ObjectUtil.java

/**
 * ?./*from  ww  w.  ja v  a 2s .c om*/
 *
 * @param serializable
 *            the object
 * @return the int
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 * @see ByteArrayOutputStream#size()
 * @since 1.0.7
 */
//XXX ?check,?
public static int size(Object serializable) throws IOException {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
    objectOutputStream.writeObject(serializable);
    objectOutputStream.close();
    return byteArrayOutputStream.size();
}

From source file:com.beetle.framework.util.ObjectUtil.java

/**
 * ???// ww w  .ja v  a 2 s .  c  o  m
 * 
 * @param obj
 * @return
 */
public final static int sizeOf(Object obj) {
    ByteArrayOutputStream bao = null;
    ObjectOutputStream oos;
    try {
        bao = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(bao);
        oos.writeObject(obj);
        oos.flush();
        oos.close();
        return bao.size();
    } catch (Exception e) {
        e.printStackTrace();
        return 0;
    } finally {
        try {
            if (bao != null) {
                bao.close();
                bao = null;
            }
        } catch (IOException e) {
        }
    }
}

From source file:dotplugin.GraphViz.java

/**
 * Bare bones API for launching dot. Command line options are passed to
 * Graphviz as specified in the options parameter. The location for dot is
 * obtained from the user preferences.//ww w .j  a v  a  2s.c  o m
 * 
 * @param options
 *            command line options for dot
 * @return a non-zero integer if errors happened
 * @throws IOException
 */
public static IStatus runDot(String... options) {

    // IPath dotFullPath = activator.getDotLocation();
    IPath dotFullPath = Pref.getDotLocation();
    StringBuffer b = new StringBuffer(dotFullPath.toString());
    for (String o : options) {
        b.append(" ");
        b.append(o);
    }
    LogUtils.logInfo("Start " + b.toString(), null);
    if (dotFullPath == null || dotFullPath.isEmpty())
        return new Status(IStatus.ERROR, Activator.ID,
                "dot.exe/dot not found in PATH. Please install it from graphviz.org, update the PATH or specify the absolute path in the preferences.");
    if (!dotFullPath.toFile().isFile())
        return new Status(IStatus.ERROR, Activator.ID,
                "Could not find Graphviz dot at \"" + dotFullPath + "\"");
    List<String> cmd = new ArrayList<String>();
    cmd.add(dotFullPath.toOSString());
    // insert user custom options
    /*
    String commandLineExtension = Activator.getInstance()
    .getCommandLineExtension();
    if (commandLineExtension != null) {
       String[] tokens = commandLineExtension.split(" ");
       cmd.addAll(Arrays.asList(tokens));
    }
    */
    cmd.addAll(Arrays.asList(options));
    ByteArrayOutputStream errorOutput = new ByteArrayOutputStream();
    try {
        final ProcessController controller = new ProcessController(6000, cmd.toArray(new String[cmd.size()]),
                null, dotFullPath.removeLastSegments(1).toFile());
        controller.forwardErrorOutput(errorOutput);
        controller.forwardOutput(System.out);
        controller.forwardInput(System.in);
        int exitCode = controller.execute();
        System.err.println("runDot:" + exitCode + " size:" + errorOutput.size());
        //         if (exitCode != 0) {
        //            for (String o:options) {
        //               System.err.println(o);
        //            }
        //            System.err.println(dotFullPath.toString());
        //            return new Status(IStatus.WARNING, Activator.ID,
        //                  "Graphviz exit code: " + exitCode + "."
        //                        + createContentMessage(errorOutput));
        //         }
        if (errorOutput.size() > 0)
            return new Status(IStatus.WARNING, Activator.ID, createContentMessage(errorOutput));
        return Status.OK_STATUS;
    } catch (ProcessController.TimeOutException e) {
        return new Status(IStatus.ERROR, Activator.ID,
                "Graphviz process did not finish in a timely way." + createContentMessage(errorOutput));
    } catch (InterruptedException e) {
        return new Status(IStatus.ERROR, Activator.ID,
                "Unexpected exception executing Graphviz." + createContentMessage(errorOutput), e);
    } catch (IOException e) {
        return new Status(IStatus.ERROR, Activator.ID,
                "Unexpected exception executing Graphviz." + createContentMessage(errorOutput), e);
    }
}

From source file:org.eclipse.che.api.factory.server.FactoryService.java

/**
 * Creates factory image from input stream.
 * InputStream should be closed manually.
 *
 * @param is/* w w  w.j  av a2 s .  c om*/
 *         input stream with image data
 * @param mediaType
 *         media type of image
 * @param name
 *         image name
 * @return factory image, if {@param is} has no content then empty factory image will be returned
 * @throws BadRequestException
 *         when factory image exceeded maximum size
 * @throws ServerException
 *         when any server errors occurs
 */
public static FactoryImage createImage(InputStream is, String mediaType, String name)
        throws BadRequestException, ServerException {
    try {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final byte[] buffer = new byte[1024];
        int read;
        while ((read = is.read(buffer, 0, buffer.length)) != -1) {
            out.write(buffer, 0, read);
            if (out.size() > 1024 * 1024) {
                throw new BadRequestException("Maximum upload size exceeded.");
            }
        }

        if (out.size() == 0) {
            return new FactoryImage();
        }
        out.flush();

        return new FactoryImage(out.toByteArray(), mediaType, name);
    } catch (IOException ioEx) {
        throw new ServerException(ioEx.getLocalizedMessage());
    }
}

From source file:com.apptentive.android.sdk.comm.ApptentiveClient.java

private static ApptentiveHttpResponse performMultipartFilePost(Context context, String oauthToken, String uri,
        String postBody, StoredFile storedFile) {
    Log.d("Performing multipart request to %s", uri);

    ApptentiveHttpResponse ret = new ApptentiveHttpResponse();

    if (storedFile == null) {
        Log.e("StoredFile is null. Unable to send.");
        return ret;
    }/* ww  w .j  a  v a  2s  . c o  m*/

    int bytesRead;
    int bufferSize = 4096;
    byte[] buffer;

    String lineEnd = "\r\n";
    String twoHyphens = "--";
    String boundary = UUID.randomUUID().toString();

    HttpURLConnection connection;
    DataOutputStream os = null;
    InputStream is = null;

    try {
        is = context.openFileInput(storedFile.getLocalFilePath());

        // Set up the request.
        URL url = new URL(uri);
        connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);
        connection.setConnectTimeout(DEFAULT_HTTP_CONNECT_TIMEOUT);
        connection.setReadTimeout(DEFAULT_HTTP_SOCKET_TIMEOUT);
        connection.setRequestMethod("POST");

        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
        connection.setRequestProperty("Authorization", "OAuth " + oauthToken);
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("X-API-Version", API_VERSION);
        connection.setRequestProperty("User-Agent", getUserAgentString());

        StringBuilder requestText = new StringBuilder();

        // Write form data
        requestText.append(twoHyphens).append(boundary).append(lineEnd);
        requestText.append("Content-Disposition: form-data; name=\"message\"").append(lineEnd);
        requestText.append("Content-Type: text/plain").append(lineEnd);
        requestText.append(lineEnd);
        requestText.append(postBody);
        requestText.append(lineEnd);

        // Write file attributes.
        requestText.append(twoHyphens).append(boundary).append(lineEnd);
        requestText.append(String.format("Content-Disposition: form-data; name=\"file\"; filename=\"%s\"",
                storedFile.getFileName())).append(lineEnd);
        requestText.append("Content-Type: ").append(storedFile.getMimeType()).append(lineEnd);
        requestText.append(lineEnd);

        Log.d("Post body: " + requestText);

        // Open an output stream.
        os = new DataOutputStream(connection.getOutputStream());

        // Write the text so far.
        os.writeBytes(requestText.toString());

        try {
            // Write the actual file.
            buffer = new byte[bufferSize];
            while ((bytesRead = is.read(buffer, 0, bufferSize)) > 0) {
                os.write(buffer, 0, bytesRead);
            }
        } catch (IOException e) {
            Log.d("Error writing file bytes to HTTP connection.", e);
            ret.setBadPayload(true);
            throw e;
        }

        os.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
        os.close();

        ret.setCode(connection.getResponseCode());
        ret.setReason(connection.getResponseMessage());

        // TODO: These streams may not be ready to read now. Put this in a new thread.
        // Read the normal response.
        InputStream nis = null;
        ByteArrayOutputStream nbaos = null;
        try {
            Log.d("Sending file: " + storedFile.getLocalFilePath());
            nis = connection.getInputStream();
            nbaos = new ByteArrayOutputStream();
            byte[] eBuf = new byte[1024];
            int eRead;
            while (nis != null && (eRead = nis.read(eBuf, 0, 1024)) > 0) {
                nbaos.write(eBuf, 0, eRead);
            }
            ret.setContent(nbaos.toString());
        } catch (IOException e) {
            Log.w("Can't read return stream.", e);
        } finally {
            Util.ensureClosed(nis);
            Util.ensureClosed(nbaos);
        }

        // Read the error response.
        InputStream eis = null;
        ByteArrayOutputStream ebaos = null;
        try {
            eis = connection.getErrorStream();
            ebaos = new ByteArrayOutputStream();
            byte[] eBuf = new byte[1024];
            int eRead;
            while (eis != null && (eRead = eis.read(eBuf, 0, 1024)) > 0) {
                ebaos.write(eBuf, 0, eRead);
            }
            if (ebaos.size() > 0) {
                ret.setContent(ebaos.toString());
            }
        } catch (IOException e) {
            Log.w("Can't read error stream.", e);
        } finally {
            Util.ensureClosed(eis);
            Util.ensureClosed(ebaos);
        }

        Log.d("HTTP " + connection.getResponseCode() + ": " + connection.getResponseMessage() + "");
        Log.v(ret.getContent());
    } catch (FileNotFoundException e) {
        Log.e("Error getting file to upload.", e);
    } catch (MalformedURLException e) {
        Log.e("Error constructing url for file upload.", e);
    } catch (SocketTimeoutException e) {
        Log.w("Timeout communicating with server.");
    } catch (IOException e) {
        Log.e("Error executing file upload.", e);
    } finally {
        Util.ensureClosed(is);
        Util.ensureClosed(os);
    }
    return ret;
}

From source file:com.abstratt.graphviz.GraphViz.java

/**
 * Bare bones API for launching dot. Command line options are passed to
 * Graphviz as specified in the options parameter. The location for dot is
 * obtained from the user preferences.//from w  ww .  ja va  2  s. c o m
 * 
 * @param options
 *            command line options for dot
 * @return a non-zero integer if errors happened
 * @throws IOException
 */
public static IStatus runDot(String... options) {
    IPath dotFullPath = GraphVizActivator.getInstance().getDotLocation();
    if (dotFullPath == null || dotFullPath.isEmpty())
        return new Status(IStatus.ERROR, GraphVizActivator.ID,
                "dot.exe/dot not found in PATH. Please install it from graphviz.org, update the PATH or specify the absolute path in the preferences.");
    if (!dotFullPath.toFile().isFile())
        return new Status(IStatus.ERROR, GraphVizActivator.ID,
                "Could not find Graphviz dot at \"" + dotFullPath + "\"");
    List<String> cmd = new ArrayList<String>();
    cmd.add(dotFullPath.toOSString());
    // insert user custom options
    String commandLineExtension = GraphVizActivator.getInstance().getCommandLineExtension();
    if (commandLineExtension != null) {
        String[] tokens = commandLineExtension.split(" ");
        cmd.addAll(Arrays.asList(tokens));
    }
    cmd.addAll(Arrays.asList(options));

    ByteArrayOutputStream errorOutput = new ByteArrayOutputStream();
    try {
        final ProcessController controller = new ProcessController(60000, cmd.toArray(new String[cmd.size()]),
                null, dotFullPath.removeLastSegments(1).toFile());
        controller.forwardErrorOutput(errorOutput);
        controller.forwardOutput(System.out);
        controller.forwardInput(System.in);
        int exitCode = controller.execute();
        if (exitCode != 0)
            return new Status(IStatus.WARNING, GraphVizActivator.ID,
                    "Graphviz exit code: " + exitCode + "." + createContentMessage(errorOutput));
        if (errorOutput.size() > 0)
            return new Status(IStatus.WARNING, GraphVizActivator.ID, createContentMessage(errorOutput));
        return Status.OK_STATUS;
    } catch (TimeOutException e) {
        return new Status(IStatus.ERROR, GraphVizActivator.ID,
                "Graphviz process did not finish in a timely way." + createContentMessage(errorOutput));
    } catch (InterruptedException e) {
        return new Status(IStatus.ERROR, GraphVizActivator.ID,
                "Unexpected exception executing Graphviz." + createContentMessage(errorOutput), e);
    } catch (IOException e) {
        return new Status(IStatus.ERROR, GraphVizActivator.ID,
                "Unexpected exception executing Graphviz." + createContentMessage(errorOutput), e);
    }
}