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[] decodeB(byte[] bytes) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int i = 0;/*  ww  w .j av a2  s . c  o m*/
    int len = bytes.length;
    while (i < len) {
        char[] four = new char[4];
        int j = 0;
        while (j < 4) {
            byte b = bytes[i++];
            if (b != '\r' || b != '\n')
                four[j++] = (char) b;
        }
        int k;
        if (four[3] == '=') {
            if (four[2] == '=') {
                k = 1;
            } else {
                k = 2;
            }
        } else {
            k = 3;
        }
        int aux = 0;
        for (j = 0; j < 4; j++) {
            if (four[j] != '=') {
                aux = aux | (chars.indexOf(four[j]) << (6 * (3 - j)));
            }
        }
        for (j = 0; j < k; j++) {
            out.write((aux >>> (8 * (2 - j))) & 0xFF);
        }
    }
    out.close();
    return out.toByteArray();
}

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

/**
 * ??//  w w  w. j  av a2s .  c  om
 * 
 * @param obj
 * @return
 */
public final static byte[] objToBytes(Object obj) {
    ByteArrayOutputStream bao = null;
    ObjectOutputStream oos;
    try {
        bao = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(bao);
        oos.writeObject(obj);
        oos.flush();
        oos.close();
        return bao.toByteArray();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    } finally {
        try {
            if (bao != null) {
                bao.close();
                bao = null;
            }
        } catch (IOException e) {
        }
    }
}

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From source file:com.urs.triptracks.TripUploader.java

public static byte[] compress(String string) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream(string.length());
    GZIPOutputStream gos = new GZIPOutputStream(os);
    gos.write(string.getBytes());//  ww w .jav  a2 s .  c om
    gos.close();
    byte[] compressed = os.toByteArray();
    os.close();
    return compressed;
}

---

From source file:com.ery.ertc.estorm.util.GZIPUtils.java

/**
 * Returns an gunzipped copy of the input array, truncated to <code>sizeLimit</code> bytes, if necessary. If the gzipped input has been
 * truncated or corrupted, a best-effort attempt is made to unzip as much as possible. If no data can be extracted <code>null</code> is
 * returned./* w w w  .j  a v  a  2 s.c  om*/
 */
public static final byte[] unzipBestEffort(byte[] in, int sizeLimit) {
    try {
        // decompress using GZIPInputStream
        ByteArrayOutputStream outStream = new ByteArrayOutputStream(EXPECTED_COMPRESSION_RATIO * in.length);

        GZIPInputStream inStream = new GZIPInputStream(new ByteArrayInputStream(in));

        byte[] buf = new byte[BUF_SIZE];
        int written = 0;
        while (true) {
            try {
                int size = inStream.read(buf);
                if (size <= 0)
                    break;
                if ((written + size) > sizeLimit) {
                    outStream.write(buf, 0, sizeLimit - written);
                    break;
                }
                outStream.write(buf, 0, size);
                written += size;
            } catch (Exception e) {
                break;
            }
        }
        try {
            outStream.close();
        } catch (IOException e) {
        }

        return outStream.toByteArray();

    } catch (IOException e) {
        return null;
    }
}

---

From source file:Main.java

public static String uploadFile(String path) {
    String sourceFileUri = path;//from  w w  w .j  a v a 2 s .  com
    File file = new File(sourceFileUri);
    ByteArrayOutputStream objByteArrayOS = null;
    FileInputStream objFileIS = null;
    boolean isSuccess = false;
    String strAttachmentCoded = null;

    if (!file.isFile()) {
        Log.w(TAG, "Source File not exist :" + sourceFileUri);
    } else {
        try {
            objFileIS = new FileInputStream(file);
            objByteArrayOS = new ByteArrayOutputStream();
            byte[] byteBufferString = new byte[(int) file.length()];
            objFileIS.read(byteBufferString);

            byte[] byteBinaryData = Base64.encode(byteBufferString, Base64.DEFAULT);
            strAttachmentCoded = new String(byteBinaryData);

            isSuccess = true;
        } catch (Exception e) {
            e.printStackTrace();
            Log.e("Upload file to server", "error: " + e.getMessage(), e);
        } finally {
            try {
                objByteArrayOS.close();
                objFileIS.close();
            } catch (IOException e) {
                Log.e(TAG, "Error : " + e.getMessage());
            }
        }
    }

    if (isSuccess) {
        return strAttachmentCoded;
    } else {
        return "No Picture";
    }
}

---

From source file:com.ery.ertc.estorm.util.ToolUtil.java

public static String serialObject(Object obj, boolean isGzip, boolean urlEnCode) throws IOException {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
    objectOutputStream.writeObject(obj);
    String serStr = null;/*from   w ww .j a  v a2 s  .  co  m*/
    byte[] bts = null;
    if (isGzip) {
        bts = GZIPUtils.zip(byteArrayOutputStream.toByteArray());
    } else {
        bts = byteArrayOutputStream.toByteArray();
    }
    if (urlEnCode) {
        serStr = new String(org.apache.commons.codec.binary.Base64.encodeBase64(bts), "ISO-8859-1");
    } else {
        serStr = new String(bts, "ISO-8859-1");
    }
    objectOutputStream.close();
    byteArrayOutputStream.close();
    return serStr;
}

---

From source file:io.bitsquare.common.util.Utilities.java

public static byte[] serialize(Serializable object) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;/*from w  w  w.  j  a  va2 s  . com*/
    byte[] result = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(object);
        out.flush();
        result = bos.toByteArray().clone();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException ignore) {
        }
        try {
            bos.close();
        } catch (IOException ignore) {
        }
    }
    return result;
}

---

From source file:gov.nih.nci.caarray.util.CaArrayUtils.java

/**
 * returns a byte array representing the input byte array, gzipped. Use this method with caution - for large arrays,
 * you should use streams instead./* w w  w . ja  va  2s .  c  om*/
 * 
 * @param input the content to compress
 * @return the gzipped input
 * @throws IOException if there is a problem zipping the content
 */
public static byte[] gzip(byte[] input) throws IOException {
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ByteStreams.write(input, new OutputSupplier<OutputStream>() {
        @Override
        public OutputStream getOutput() throws IOException {
            return new GZIPOutputStream(baos);
        }
    });
    baos.close();
    return baos.toByteArray();
}

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From source file:de.laures.cewolf.util.Renderer.java

/**
 * Renders a chart/* w  w  w .  ja v  a2s. c  om*/
 * @param cd the chart image to be rendered
 * @return the rendered image
 * @throws CewolfException
 */
private static RenderedImage renderChart(ChartImage cd, Object chart) throws CewolfException {
    try {
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        final String mimeType = cd.getMimeType();
        if (MIME_PNG.equals(mimeType)) {
            handlePNG(baos, (JFreeChart) chart, cd.getWidth(), cd.getHeight(), info);
        } else if (MIME_JPEG.equals(mimeType)) {
            handleJPEG(baos, (JFreeChart) chart, cd.getWidth(), cd.getHeight(), info);
        } else if (MIME_SVG.equals(mimeType)) {
            handleSVG(baos, (JFreeChart) chart, cd.getWidth(), cd.getHeight());
        } else {
            throw new RenderingException("Mime type " + mimeType + " is unsupported.");
        }
        baos.close();
        return new RenderedImage(baos.toByteArray(), mimeType, info);
    } catch (IOException ioe) {
        log.error(ioe);
        throw new ChartRenderingException(ioe.getMessage(), ioe);
    }
}

---

From source file:com.zrlh.llkc.funciton.Http_Utility.java

/**
 * Implement a weibo http request and return results .
 * //w  w w  .  ja va  2 s .  c  o m
 * @param context
 *            context of activity
 * @param url
 * @param method
 *            (GET|POST)
 * @param bm
 * @return
 * @throws Exception
 */
public static String openUrl(Context context, String url, String method, Bitmap bm) throws Exception {
    String result = "";
    try {
        HttpClient client = getNewHttpClient(context);
        HttpUriRequest request = null;
        ByteArrayOutputStream bos = null;
        if (method.equals("GET")) {

        } else if (method.equals("POST")) {
            HttpPost post = new HttpPost(url);
            byte[] data = null;
            bos = new ByteArrayOutputStream(1024 * 50);
            post.setHeader("Content-Type", MULTIPART_FORM_DATA + "; boundary=" + BOUNDARY);
            Http_Utility.imageContentToUpload(bos, bm);
            data = bos.toByteArray();
            bos.close();
            ByteArrayEntity formEntity = new ByteArrayEntity(data);
            post.setEntity(formEntity);
            request = post;
        } else if (method.equals("DELETE")) {
            request = new HttpDelete(url);
        }
        HttpResponse response = client.execute(request);
        StatusLine status = response.getStatusLine();
        int statusCode = status.getStatusCode();

        if (statusCode != 200) {
            result = read(response);
            throw new Exception();
        }
        // parse content stream from response
        result = read(response);
        return result;
    } catch (IOException e) {

    }
    return "";
}

---

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