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:edu.kit.dama.rest.util.RestClientUtils.java

/**
 * Check for log level and log inputstream if necessary.
 *
 * @param stream inputstream to be logged.
 * @return inputstream//from   w  w  w .  j a  v  a 2  s  . c o m
 */
private static InputStream getInputStream(InputStream stream) {
    InputStream returnValue = stream;
    if (LOGGER.isDebugEnabled()) {
        byte[] data = new byte[0];
        ByteArrayOutputStream baos = null;
        try {
            baos = new ByteArrayOutputStream();
            byte[] block = new byte[4096]; // for a 4k block size
            int count;

            while ((count = stream.read(block)) != -1) {
                baos.write(block, 0, count);
            }
            data = baos.toByteArray();
            LOGGER.debug("Client response: " + new String(data));
        } catch (IOException ioe) {
            LOGGER.error(null, ioe);
        } finally {
            if (baos != null) {
                try {
                    baos.close();
                } catch (IOException ex) {
                }
            }

            returnValue = new ByteArrayInputStream(data);
        }
    }
    return returnValue;
}

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From source file:com.mucommander.ui.viewer.image.ImageViewer.java

private static BufferedImage transcodeSVGDocument(AbstractFile file, float width, float height)
        throws IOException {
    // create a PNG transcoder.
    Transcoder t = new PNGTranscoder();
    // Set the transcoding hints.
    if (width > 0) {
        t.addTranscodingHint(PNGTranscoder.KEY_WIDTH, width);
    }/*from  ww  w  .  jav a  2 s .  c o m*/
    if (height > 0) {
        t.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, height);
    }
    t.addTranscodingHint(PNGTranscoder.KEY_XML_PARSER_VALIDATING, false);

    // create the transcoder input.
    TranscoderInput input = new TranscoderInput(file.getInputStream());
    ByteArrayOutputStream ostream = null;
    try {
        // create the transcoder output.
        ostream = new ByteArrayOutputStream();
        TranscoderOutput output = new TranscoderOutput(ostream);

        // Save the image.
        t.transcode(input, output);

        // Flush and close the stream.
        ostream.flush();
        ostream.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }

    // Convert the byte stream into an image.
    byte[] imgData = ostream.toByteArray();

    // Return the newly rendered image.
    return ImageIO.read(new ByteArrayInputStream(imgData));
}

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From source file:com.recomdata.datasetexplorer.proxy.XmlHttpProxy.java

public static JSONObject loadJSONObject(InputStream in) {
    ByteArrayOutputStream out = null;
    try {/*from ww  w  .  j a va 2  s.  c  o  m*/
        byte[] buffer = new byte[1024];
        int read = 0;
        out = new ByteArrayOutputStream();
        while (true) {
            read = in.read(buffer);
            if (read <= 0)
                break;
            out.write(buffer, 0, read);
        }
        return new JSONObject(out.toString());
    } catch (Exception e) {
        getLogger().severe("XmlHttpProxy error reading in json " + e);
    } finally {
        try {
            if (in != null) {
                in.close();
            }
            if (out != null) {
                out.flush();
                out.close();
            }
        } catch (Exception e) {
        }
    }
    return null;
}

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From source file:com.polyvi.xface.util.XFileUtils.java

/**
 * ??/*from  w  w w . j ava  2s .c o m*/
 *
 * @param filePath
 *            ?
 * @return ??
 */
public static String readFileContent(String filePath) {
    if (null == filePath) {
        return null;
    }
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        FileInputStream fis = new FileInputStream(filePath);

        byte[] buffer = new byte[XConstant.BUFFER_LEN];
        int len = 0;
        while ((len = fis.read(buffer)) != -1) {
            bos.write(buffer, 0, len);
        }

        String content = bos.toString();
        bos.close();
        fis.close();
        return content;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
        return null;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:io.joynr.util.JoynrUtil.java

private static Object getResource(InputStream inputStream, boolean asByteArray) throws JoynrRuntimeException {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(1024);
    byte[] bytes = new byte[512];

    // Read bytes from the input stream in bytes.length-sized chunks and
    // write/*  w  w  w.j a v a2 s.  co m*/
    // them into the output stream
    int readBytes;
    try {
        while ((readBytes = inputStream.read(bytes)) > 0) {
            outputStream.write(bytes, 0, readBytes);
        }
        Object result = null;

        if (asByteArray) {
            result = ArrayUtils.toObject(outputStream.toByteArray());
        } else {
            result = outputStream.toString("UTF-8");

        }
        // Close the streams
        inputStream.close();
        outputStream.close();
        return result;
    } catch (IOException e) {
        throw new JoynrRuntimeException(e.getMessage(), e) {
            private static final long serialVersionUID = 1L;
        };
    }
}

---

From source file:jfs.sync.encryption.JFSEncryptedStream.java

/**
 * //  w ww.  j  ava2  s.c  o  m
 * @param fis
 * @param expectedLength
 *            length to be expected or -2 if you don't want the check
 * @param cipher
 * @return
 */
public static InputStream createInputStream(InputStream fis, long expectedLength, Cipher cipher) {
    try {
        InputStream in = fis;
        ObjectInputStream ois = new ObjectInputStream(in);
        byte marker = readMarker(ois);
        long l = readLength(ois);
        if (log.isDebugEnabled()) {
            log.debug(
                    "JFSEncryptedStream.createInputStream() length check " + expectedLength + " == " + l + "?");
        } // if
        if (expectedLength != DONT_CHECK_LENGTH) {
            if (l != expectedLength) {
                log.error("JFSEncryptedStream.createInputStream() length check failed");
                return null;
            } // if
        } // if
        if (cipher == null) {
            log.error("JFSEncryptedStream.createInputStream() no cipher for length " + expectedLength);
        } else {
            in = new CipherInputStream(in, cipher);
        } // if
        if (marker == COMPRESSION_DEFLATE) {
            Inflater inflater = new Inflater(true);
            in = new InflaterInputStream(in, inflater, COMPRESSION_BUFFER_SIZE);
        } // if
        if (marker == COMPRESSION_BZIP2) {
            in = new BZip2CompressorInputStream(in);
        } // if
        if (marker == COMPRESSION_LZMA) {
            Decoder decoder = new Decoder();
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

            byte[] properties = new byte[5];
            int readBytes = in.read(properties, 0, properties.length);
            boolean result = decoder.SetDecoderProperties(properties);
            if (log.isDebugEnabled()) {
                log.debug("JFSEncryptedStream.createInputStream() readBytes=" + readBytes);
                log.debug("JFSEncryptedStream.createInputStream() result=" + result);
            } // if

            decoder.Code(in, outputStream, l);
            in.close();
            outputStream.close();
            if (log.isDebugEnabled()) {
                log.debug("JFSEncryptedStream.createInputStream() " + outputStream.size());
            } // if
            in = new ByteArrayInputStream(outputStream.toByteArray());
        } // if
        return in;
    } catch (IOException ioe) {
        log.error("JFSEncryptedStream.createInputStream() I/O Exception " + ioe.getLocalizedMessage());
        return null;
    } // try/catch
}

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From source file:com.redhat.rhn.common.hibernate.HibernateFactory.java

/**
 * utility to convert blob to byte array
 * @param fromBlob blob to convert//from  w w w . j  a va  2  s . co  m
 * @return byte array converted from blob
 */
public static byte[] blobToByteArray(Blob fromBlob) {

    if (fromBlob == null) {
        return new byte[0];
    }

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    try {
        return toByteArrayImpl(fromBlob, baos);
    } catch (SQLException e) {
        LOG.error("SQL Error converting blob to byte array", e);
        throw new DatabaseException(e.toString());
    } catch (IOException e) {
        LOG.error("I/O Error converting blob to byte array", e);
        throw new DatabaseException(e.toString());
    } finally {
        try {
            baos.close();
        } catch (IOException ex) {
            throw new DatabaseException(ex.toString());
        }
    }
}

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From source file:Main.java

public static Bitmap getCompressBitmap(Bitmap bitmap, File file, int quality, int fileSize) {
    Bitmap bmp = null;//from   w w w  .  j  a v a2  s. c o m
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    boolean result = bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bos);
    LOG("getCompressBitmap result: " + result);
    try {
        if (file != null) {
            if (result) {
                byte[] bt = bos.toByteArray();

                FileOutputStream fos = new FileOutputStream(file);
                fos.write(bt);
                fos.close();

                LOG("file.length(): " + file.length());

                if (file.length() > fileSize) {
                    bmp = getCompressBitmap(bmp, file, (int) (quality * 0.8), fileSize);
                } else {
                    bmp = BitmapFactory.decodeFile(file.getPath());
                }
            }

        } else {
            bmp = BitmapFactory.decodeByteArray(bos.toByteArray(), 0, bos.size());
        }
        bos.close();
    } catch (Exception e) {
        LOG("getCompressBitmap result: e" + e.toString());
        e.printStackTrace();
        return null;
    }
    return bmp;
}

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From source file:net.sf.keystore_explorer.crypto.signing.JarSigner.java

private static String getManifest(JarFile jar) throws IOException {

    JarEntry manifestEntry = jar.getJarEntry(MANIFEST_LOCATION);

    InputStream jis = null;//from ww  w . ja  v  a  2  s  . c  o m
    ByteArrayOutputStream baos = null;

    try {
        jis = jar.getInputStream(manifestEntry);
        baos = new ByteArrayOutputStream();

        CopyUtil.copyClose(jis, baos);
        baos.close();

        String manifest = baos.toString();

        return manifest;
    } finally {
        IOUtils.closeQuietly(jis);
        IOUtils.closeQuietly(baos);
    }
}

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From source file:gemlite.core.util.RSAUtils.java

/**
 * <p>//from ww  w .  ja v a  2s. c om
 * ?
 * </p>
 * 
 * @param data
 *          ??
 * @param privateKey
 *          ?(BASE64?)
 * @return
 * @throws Exception
 */
public static byte[] encryptByPrivateKey(byte[] data, String privateKey) throws Exception {
    byte[] keyBytes = Base64Utils.decode(privateKey);
    PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes);
    KeyFactory keyFactory = KeyFactory.getInstance(KEY_ALGORITHM);
    Key privateK = keyFactory.generatePrivate(pkcs8KeySpec);
    Cipher cipher = Cipher.getInstance(keyFactory.getAlgorithm());
    cipher.init(Cipher.ENCRYPT_MODE, privateK);
    int inputLen = data.length;
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int offSet = 0;
    byte[] cache;
    int i = 0;
    // ?
    while (inputLen - offSet > 0) {
        if (inputLen - offSet > MAX_ENCRYPT_BLOCK) {
            cache = cipher.doFinal(data, offSet, MAX_ENCRYPT_BLOCK);
        } else {
            cache = cipher.doFinal(data, offSet, inputLen - offSet);
        }
        out.write(cache, 0, cache.length);
        i++;
        offSet = i * MAX_ENCRYPT_BLOCK;
    }
    byte[] encryptedData = out.toByteArray();
    out.close();
    return encryptedData;
}

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