Example usage for java.io DataInputStream read

Introduction

In this page you can find the example usage for java.io DataInputStream read.

Prototype

public final int read(byte b[]) throws IOException 

Source Link

Document

Reads some number of bytes from the contained input stream and stores them into the buffer array b.

Usage

From source file:org.nuxeo.theme.presets.PaletteParser.java

public static Map<String, String> parse(InputStream in, String filename)
        throws IOException, PaletteIdentifyException, PaletteParseException {
    DataInputStream dis = new DataInputStream(in);
    byte[] bytes = new byte[dis.available()];
    dis.read(bytes);
    return parse(bytes, filename);
}

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From source file:com.polivoto.networking.ServicioDeIPExterna.java

public static String obtenerIPExterna() {
    String ip = null;//from   w  w  w  . j a v a2 s  .c o  m
    try {
        HttpURLConnection con = (HttpURLConnection) new URL(GET_EXTERNAL_HOST).openConnection();
        DataInputStream entrada = new DataInputStream(con.getInputStream());
        int length;
        byte[] chunk = new byte[64];
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((length = entrada.read(chunk)) != -1)
            baos.write(chunk, 0, length);
        ip = baos.toString();
        baos.close();
        entrada.close();
        con.disconnect();
    } catch (IOException e) {
        e.printStackTrace();
    }
    System.out.println("IP exterior: " + ip);
    return ip;
}

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From source file:com.polivoto.networking.ServicioDeIPExterna.java

public static String obtenerIPServidorRemoto() {
    String ip = null;//from w ww . j a  va  2  s .  c o  m
    try {
        HttpURLConnection con = (HttpURLConnection) new URL(REMOTE_HOST).openConnection();
        DataInputStream entrada = new DataInputStream(con.getInputStream());
        int length;
        byte[] chunk = new byte[64];
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((length = entrada.read(chunk)) != -1)
            baos.write(chunk, 0, length);
        JSONObject json = new JSONObject(baos.toString());
        baos.close();
        entrada.close();
        con.disconnect();
        ip = json.getString("content");
    } catch (JSONException | IOException e) {
        e.printStackTrace();
    }
    System.out.println("IP servidor remoto: " + ip);
    return ip;
}

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From source file:nl.dreamkernel.s4.tweaker.util.RuntimeExec.java

public static String[] execute(String[] commands, boolean needResponce) {
    try {//from   ww w  .  j  a v a 2s . co  m
        Process process = Runtime.getRuntime().exec(commands);
        if (needResponce) {
            DataInputStream inputStream = new DataInputStream(process.getInputStream());
            if (inputStream != null) {
                String ret = "";
                int size = 0;
                byte[] buffer = new byte[1024];
                try {
                    do {
                        size = inputStream.read(buffer);
                        if (size > 0) {
                            ret += new String(buffer, 0, size, HTTP.UTF_8);
                        }
                    } while (inputStream.available() > 0);
                } catch (IOException e) {
                }
                return ret.split("\n");
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:org.eclipse.swt.snippets.Snippet319.java

static MyType restoreFromByteArray(byte[] bytes) {
    DataInputStream dataInStream = null;
    try {/*from  w  w w .  j  a v  a2s .c  om*/
        ByteArrayInputStream byteInStream = new ByteArrayInputStream(bytes);
        dataInStream = new DataInputStream(byteInStream);
        int size = dataInStream.readInt();
        byte[] name = new byte[size];
        dataInStream.read(name);
        MyType result = new MyType();
        result.name = new String(name);
        result.time = dataInStream.readLong();
        return result;
    } catch (IOException ex) {
        return null;
    } finally {
        if (dataInStream != null) {
            try {
                dataInStream.close();
            } catch (IOException e) {
            }
        }
    }
}

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From source file:tudarmstadt.lt.ABSentiment.featureExtractor.util.W2vSpace.java

/**
 * Read a Vector - Array of Floats from the binary model
 * @param ds input data stream//from   w  ww.j  a  v  a 2s . co  m
 * @param vectorSize length of each word vector
 * @return an array of float containing the word vector representation
 */
public static float[] readFloatVector(DataInputStream ds, int vectorSize) throws IOException {
    // Vector is an Array of Floats...
    float[] vector = new float[vectorSize];
    // Floats stored as 4 bytes
    byte[] vectorBuffer = new byte[4 * vectorSize];
    // Read the full vector in a single chunk:
    ds.read(vectorBuffer);
    // Parse bytes into floats
    for (int i = 0; i < vectorSize; i++) {
        // & with 0xFF to get unsigned byte value as int
        int byte1 = (vectorBuffer[(i * 4) + 0] & 0xFF) << 0;
        int byte2 = (vectorBuffer[(i * 4) + 1] & 0xFF) << 8;
        int byte3 = (vectorBuffer[(i * 4) + 2] & 0xFF) << 16;
        int byte4 = (vectorBuffer[(i * 4) + 3] & 0xFF) << 24;
        // Encode the 4 byte values (0-255) above into a single int
        // Reverse bytes for endian compatibility
        int reverseBytes = (byte1 | byte2 | byte3 | byte4);
        vector[i] = Float.intBitsToFloat(reverseBytes);
    }
    return vector;
}

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From source file:com.gson.util.HttpKit.java

/**
 * //from  w w  w  . j a v a 2s.co  m
 * @param url
 * @param params
 * @param file
 * @return
 * @throws IOException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 * @throws KeyManagementException
 */
public static String upload(String url, File file)
        throws IOException, NoSuchAlgorithmException, NoSuchProviderException, KeyManagementException {
    String BOUNDARY = "----WebKitFormBoundaryiDGnV9zdZA1eM1yL"; // ?  
    StringBuffer bufferRes = null;
    URL urlGet = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) urlGet.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setUseCaches(false);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("connection", "Keep-Alive");
    conn.setRequestProperty("user-agent",
            "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36");
    conn.setRequestProperty("Charsert", "UTF-8");
    conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

    OutputStream out = new DataOutputStream(conn.getOutputStream());
    byte[] end_data = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();// ??  
    StringBuilder sb = new StringBuilder();
    sb.append("--");
    sb.append(BOUNDARY);
    sb.append("\r\n");
    sb.append("Content-Disposition: form-data;name=\"media\";filename=\"" + file.getName() + "\"\r\n");
    sb.append("Content-Type:application/octet-stream\r\n\r\n");
    byte[] data = sb.toString().getBytes();
    out.write(data);
    DataInputStream fs = new DataInputStream(new FileInputStream(file));
    int bytes = 0;
    byte[] bufferOut = new byte[1024];
    while ((bytes = fs.read(bufferOut)) != -1) {
        out.write(bufferOut, 0, bytes);
    }
    out.write("\r\n".getBytes()); //  
    fs.close();
    out.write(end_data);
    out.flush();
    out.close();

    // BufferedReader???URL?  
    InputStream in = conn.getInputStream();
    BufferedReader read = new BufferedReader(new InputStreamReader(in, DEFAULT_CHARSET));
    String valueString = null;
    bufferRes = new StringBuffer();
    while ((valueString = read.readLine()) != null) {
        bufferRes.append(valueString);
    }
    in.close();
    if (conn != null) {
        // 
        conn.disconnect();
    }
    return bufferRes.toString();
}

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From source file:com.hichengdai.qlqq.front.util.HttpKit.java

/**
 * //from  www  .  j a v a 2 s .co m
 * 
 * @param url
 * @param params
 * @param file
 * @return
 * @throws IOException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 * @throws KeyManagementException
 */
public static String upload(String url, File file)
        throws IOException, NoSuchAlgorithmException, NoSuchProviderException, KeyManagementException {
    String BOUNDARY = "----WebKitFormBoundaryiDGnV9zdZA1eM1yL"; // ?
    StringBuffer bufferRes = null;
    URL urlGet = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) urlGet.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setUseCaches(false);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("connection", "Keep-Alive");
    conn.setRequestProperty("user-agent",
            "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36");
    conn.setRequestProperty("Charsert", "UTF-8");
    conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

    OutputStream out = new DataOutputStream(conn.getOutputStream());
    byte[] end_data = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();// ??
    StringBuilder sb = new StringBuilder();
    sb.append("--");
    sb.append(BOUNDARY);
    sb.append("\r\n");
    sb.append("Content-Disposition: form-data;name=\"media\";filename=\"" + file.getName() + "\"\r\n");
    sb.append("Content-Type:application/octet-stream\r\n\r\n");
    byte[] data = sb.toString().getBytes();
    out.write(data);
    DataInputStream fs = new DataInputStream(new FileInputStream(file));
    int bytes = 0;
    byte[] bufferOut = new byte[1024];
    while ((bytes = fs.read(bufferOut)) != -1) {
        out.write(bufferOut, 0, bytes);
    }
    out.write("\r\n".getBytes()); // 
    fs.close();
    out.write(end_data);
    out.flush();
    out.close();

    // BufferedReader???URL?
    InputStream in = conn.getInputStream();
    BufferedReader read = new BufferedReader(new InputStreamReader(in, DEFAULT_CHARSET));
    String valueString = null;
    bufferRes = new StringBuffer();
    while ((valueString = read.readLine()) != null) {
        bufferRes.append(valueString);
    }
    in.close();
    if (conn != null) {
        // 
        conn.disconnect();
    }
    return bufferRes.toString();
}

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From source file:com.webarch.common.net.http.HttpService.java

/**
 * ?/*from w  w  w. j  a va2s.com*/
 *
 * @param protocol ??http?https?ftp?file?jar
 * @param host     ?
 * @param file     
 * @return
 */
public static String getRemoteFile(String protocol, String host, String file) {
    String content = null;
    try {
        URL url = new URL(protocol, host, file);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        DataInputStream input = new DataInputStream(conn.getInputStream());
        byte[] buffer = new byte[8192];
        int count = input.read(buffer);
        if (count > 0) {
            byte[] strBuffer = new byte[count];
            System.arraycopy(buffer, 0, strBuffer, 0, count);
            content = new String(strBuffer, "UTF-8");
        }
        input.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    //?
    return StringSeriesTools.replaceAllMatch(content, "\\s*|\t|\r|\n", "");
}

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From source file:Main.java

/**
 * The URL looks like a request for a resource, such as a JavaScript or CSS file. Write
 * the given resource to the response output in binary format (needed for images).
 *///from  w ww . j a v a2 s . c  om
public static void readWriteBinaryUtil(String sxURL, String resource, OutputStream outStream)
        throws IOException {

    DataOutputStream outData = null;
    DataInputStream inData = null;
    int byteCnt = 0;
    byte[] buffer = new byte[4096];

    // get full qualified path of class
    System.out.println("RW Base Directory - " + sxURL);

    // remove class and add resource relative path
    sxURL = getResourceURL(sxURL, resource);

    System.out.println("RW Loading - " + sxURL);
    try {
        outData = new DataOutputStream(outStream);
        inData = new DataInputStream(new URL(sxURL).openConnection().getInputStream());

        while ((byteCnt = inData.read(buffer)) != -1) {
            if (outData != null && byteCnt > 0) {
                outData.write(buffer, 0, byteCnt);
            }
        }
    } catch (IOException e) {
        throw e;
    } finally {
        try {
            if (inData != null) {
                inData.close();
            }
        } catch (IOException ioe) {
        }
    }
}

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