Example usage for java.io ByteArrayOutputStream close

List of usage examples for java.io ByteArrayOutputStream close

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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:com.arellomobile.android.push.utils.NetworkUtils.java

public static NetworkResult makeRequest(Map<String, Object> data, String methodName) throws Exception {
    NetworkResult result = new NetworkResult(500, null);
    OutputStream connectionOutput = null;
    InputStream inputStream = null;
    try {/* ww  w.j a  v  a 2s.c om*/
        String urlString = NetworkUtils.BASE_URL + methodName;
        if (useSSL)
            urlString = NetworkUtils.BASE_URL_SECURE + methodName;

        URL url = new URL(urlString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/json; charset=utf-8");

        connection.setDoOutput(true);

        JSONObject innerRequestJson = new JSONObject();

        for (String key : data.keySet()) {
            innerRequestJson.put(key, data.get(key));
        }

        JSONObject requestJson = new JSONObject();
        requestJson.put("request", innerRequestJson);

        connection.setRequestProperty("Content-Length",
                String.valueOf(requestJson.toString().getBytes().length));

        connectionOutput = connection.getOutputStream();
        connectionOutput.write(requestJson.toString().getBytes());
        connectionOutput.flush();
        connectionOutput.close();

        inputStream = new BufferedInputStream(connection.getInputStream());

        ByteArrayOutputStream dataCache = new ByteArrayOutputStream();

        // Fully read data
        byte[] buff = new byte[1024];
        int len;
        while ((len = inputStream.read(buff)) >= 0) {
            dataCache.write(buff, 0, len);
        }

        // Close streams
        dataCache.close();

        String jsonString = new String(dataCache.toByteArray()).trim();
        Log.w(TAG, "PushWooshResult: " + jsonString);

        JSONObject resultJSON = new JSONObject(jsonString);

        result.setData(resultJSON);
        result.setCode(resultJSON.getInt("status_code"));
    } finally {
        if (null != inputStream) {
            inputStream.close();
        }
        if (null != connectionOutput) {
            connectionOutput.close();
        }
    }

    return result;
}

From source file:Main.java

public static String getExceptionCauseString(final Throwable ex) {
    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final PrintStream ps = new PrintStream(bos);

    try {/*from   w  w w  . j av  a  2  s. c o  m*/
        // print directly
        Throwable t = ex;
        while (t.getCause() != null) {
            t = t.getCause();
        }
        t.printStackTrace(ps);
        return toVisualString(bos.toString());
    } finally {
        try {
            bos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:Main.java

public static byte[] bitmap2Bytes(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat,
        final boolean needRecycle) {
    byte[] result = null;
    ByteArrayOutputStream output = null;
    try {//from w w  w . j  a v  a  2 s  .c  om
        output = new ByteArrayOutputStream();
        bitmap.compress(mCompressFormat, 100, output);
        result = output.toByteArray();
        if (needRecycle) {
            bitmap.recycle();
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len) {

    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();/*from   w w w . j a  va  2  s.  c  om*/
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
    try {
        byte[] result = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(result);
            out.write(result, 0, i);
        }
        output = out.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            out.close();
        } catch (Exception e) {
        }
        decompresser.end();
    }
    return output;
}

From source file:com.siemens.sw360.exporter.CSVExport.java

@NotNull
private static ByteArrayOutputStream getCSVOutputStream(Iterable<String> csvHeaderIterable,
        Iterable<Iterable<String>> inputIterable) throws IOException {
    final ByteArrayOutputStream outB = new ByteArrayOutputStream();
    try (Writer out = new BufferedWriter(new OutputStreamWriter(outB));) {
        CSVPrinter csvPrinter = new CSVPrinter(out, CommonUtils.sw360CsvFormat);
        csvPrinter.printRecord(csvHeaderIterable);
        csvPrinter.printRecords(inputIterable);
        csvPrinter.flush();/*  w w  w. j a v  a  2s  .  c om*/
        csvPrinter.close();
    } catch (Exception e) {
        outB.close();
        throw e;
    }

    return outB;

}

From source file:de.kapsi.net.daap.DaapHeaderConstructor.java

/**
 * Converts statusLine and headers to an byte-Array
 *//*w  w  w . j  a  v a  2s .  c om*/
private static byte[] toByteArray(String statusLine, Header[] headers)
        throws UnsupportedEncodingException, IOException {

    ByteArrayOutputStream out = new ByteArrayOutputStream();

    out.write(statusLine.getBytes(ISO_8859_1));
    out.write(CRLF);

    for (int i = 0; i < headers.length; i++) {
        out.write(headers[i].toExternalForm().getBytes(ISO_8859_1));
    }

    out.write(CRLF);
    out.close();

    return out.toByteArray();
}

From source file:Main.java

public static byte[] toByteArray(Serializable serializable) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;//  ww w.  j a  v  a2 s.  co m
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(serializable);
        byte[] bytes = bos.toByteArray();
        return bytes;
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    } finally {
        try {
            out.close();
            bos.close();
        } catch (IOException e) {
            //can be ignored;
        }

    }
}

From source file:Main.java

/**
 * Compress the byte array passed//  ww w . j  ava  2  s  .c o  m
 * <p>
 * @param input byte array
 * @param bufferLength buffer length
 * @return compressed byte array
 * @throws IOException thrown if we can't close the output stream
 */
public static byte[] compressByteArray(byte[] input, int bufferLength) throws IOException {
    // Compressor with highest level of compression
    Deflater compressor = new Deflater();
    compressor.setLevel(Deflater.BEST_COMPRESSION);

    // Give the compressor the data to compress
    compressor.setInput(input);
    compressor.finish();

    // Create an expandable byte array to hold the compressed data.
    // It is not necessary that the compressed data will be smaller than
    // the uncompressed data.
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);

    // Compress the data
    byte[] buf = new byte[bufferLength];
    while (!compressor.finished()) {
        int count = compressor.deflate(buf);
        bos.write(buf, 0, count);
    }

    // JCS-136 ( Details here : http://www.devguli.com/blog/eng/java-deflater-and-outofmemoryerror/ )
    compressor.end();
    bos.close();

    // Get the compressed data
    return bos.toByteArray();

}

From source file:outfox.ynote.open.client.YNoteHttpUtils.java

/**
 * Get the response content as a string.
 *
 * @param response/* w w w. j  a v  a 2s . co m*/
 * @return
 * @throws IOException
 */
public static String getResponseContent(InputStream response) throws IOException {
    try {
        ByteArrayOutputStream bytes = new ByteArrayOutputStream(1024);
        byte[] buffer = new byte[1024];
        int n = 0;
        while (-1 != (n = response.read(buffer))) {
            bytes.write(buffer, 0, n);
        }
        bytes.close();
        return new String(bytes.toByteArray(), YNoteConstants.ENCODING);
    } finally {
        // release the http response
        response.close();
    }
}

From source file:io.confluent.kafkarest.converters.AvroConverter.java

public static Object toAvro(JsonNode value, Schema schema) {
    try {// w ww .  ja  va2 s .c  om
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        jsonMapper.writeValue(out, value);
        DatumReader<Object> reader = new GenericDatumReader<Object>(schema);
        Object object = reader.read(null,
                decoderFactory.jsonDecoder(schema, new ByteArrayInputStream(out.toByteArray())));
        out.close();
        return object;
    } catch (IOException | RuntimeException e) {
        // These can be generated by Avro's JSON decoder, the input/output stream operations, and the
        // Jackson ObjectMapper.writeValue call.
        throw new ConversionException("Failed to convert JSON to Avro: " + e.getMessage());
    }
}