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:com.asto.move.util.qcloud.pic.PicCloud.java

public int Upload(String fileName, String fileid, PicAnalyze flag, UploadResult result) {
    if ("".equals(fileName)) {
        return SetError(-1, "invalid file name");
    }/*from w  ww . ja  v a  2 s .  co m*/

    String req_url = GetUrl(fileid);
    String BOUNDARY = "---------------------------abcdefg1234567";
    String rsp = "";

    //check analyze flag
    String query_string = "";
    if (flag.fuzzy != 0) {
        query_string += ".fuzzy";
    }
    if (flag.food != 0) {
        query_string += ".food";
    }
    if ("".equals(query_string) == false) {
        req_url += "?analyze=" + query_string.substring(1);
    }

    //        System.out.println("url=" + req_url);
    // create sign
    long expired = System.currentTimeMillis() / 1000 + 600;
    String sign = FileCloudSign.appSignV2(m_appid, m_secret_id, m_secret_key, m_bucket, expired);
    if (null == sign) {
        return SetError(-1, "create app sign failed");
    }
    //        System.out.println("sign=" + sign);

    try {
        URL realUrl = new URL(req_url);
        HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
        // set header
        connection.setRequestMethod("POST");
        connection.setRequestProperty("accept", "*/*");
        connection.setRequestProperty("Host", "web.image.myqcloud.com");
        connection.setRequestProperty("user-agent", "qcloud-java-sdk");
        connection.setRequestProperty("Authorization", sign);

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

        OutputStream out = new DataOutputStream(connection.getOutputStream());
        StringBuilder strBuf = new StringBuilder();

        if (fileName != null) {
            File file = new File(fileName);
            String filename = file.getName();
            String contentType = URLConnection.getFileNameMap().getContentTypeFor(fileName);

            strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
            strBuf.append("Content-Disposition: form-data; name=\"FileContent\"; filename=\"").append(fileName)
                    .append("\"\r\n");
            strBuf.append("Content-Type:").append(contentType).append("\r\n\r\n");

            out.write(strBuf.toString().getBytes());

            DataInputStream ins = new DataInputStream(new FileInputStream(file));
            int bytes = 0;
            byte[] bufferOut = new byte[1024];
            while ((bytes = ins.read(bufferOut)) != -1) {
                out.write(bufferOut, 0, bytes);
            }
        }

        byte[] endData = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();
        out.write(endData);
        out.flush();
        out.close();

        connection.connect();
        rsp = GetResponse(connection);
    } catch (Exception e) {
        return SetError(-1, "url exception, e=" + e.toString());
    }
    System.out.println("rsp=" + rsp);
    try {
        JSONObject jsonObject = new JSONObject(rsp);
        int code = jsonObject.getInt("code");
        String msg = jsonObject.getString("message");
        if (0 != code) {
            return SetError(code, msg);
        }

        result.url = jsonObject.getJSONObject("data").getString("url");
        result.download_url = jsonObject.getJSONObject("data").getString("download_url");
        result.fileid = jsonObject.getJSONObject("data").getString("fileid");

        if (jsonObject.getJSONObject("data").has("is_fuzzy")) {
            result.analyze.fuzzy = jsonObject.getJSONObject("data").getInt("is_fuzzy");
        }
        if (jsonObject.getJSONObject("data").has("is_food")) {
            result.analyze.food = jsonObject.getJSONObject("data").getInt("is_food");
        }

    } catch (JSONException e) {
        return SetError(-1, "json exception, e=" + e.toString());
    }
    return SetError(0, "success");
}

---

From source file:cn.org.eshow.framwork.util.AbFileUtil.java

/**
 * ??byte[]./*from w  w w.ja v  a  2  s  . c  o m*/
 * @param imgByte byte[]
 * @param fileName ?????.jpg
 * @param type ???AbConstant
 * @param desiredWidth 
 * @param desiredHeight 
 * @return Bitmap 
 */
public static Bitmap getBitmapFromByte(byte[] imgByte, String fileName, int type, int desiredWidth,
        int desiredHeight) {
    FileOutputStream fos = null;
    DataInputStream dis = null;
    ByteArrayInputStream bis = null;
    Bitmap bitmap = null;
    File file = null;
    try {
        if (imgByte != null) {

            file = new File(imageDownloadDir + fileName);
            if (!file.exists()) {
                file.createNewFile();
            }
            fos = new FileOutputStream(file);
            int readLength = 0;
            bis = new ByteArrayInputStream(imgByte);
            dis = new DataInputStream(bis);
            byte[] buffer = new byte[1024];

            while ((readLength = dis.read(buffer)) != -1) {
                fos.write(buffer, 0, readLength);
                try {
                    Thread.sleep(500);
                } catch (Exception e) {
                }
            }
            fos.flush();

            bitmap = getBitmapFromSD(file, type, desiredWidth, desiredHeight);
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dis != null) {
            try {
                dis.close();
            } catch (Exception e) {
            }
        }
        if (bis != null) {
            try {
                bis.close();
            } catch (Exception e) {
            }
        }
        if (fos != null) {
            try {
                fos.close();
            } catch (Exception e) {
            }
        }
    }
    return bitmap;
}

---

From source file:org.apache.hadoop.hive.ql.io.TestRCFile.java

public void testRCFileHeader(char[] expected, Configuration conf) throws IOException, SerDeException {
    writeTest(fs, 10000, file, bytesArray, conf);
    DataInputStream di = fs.open(file, 10000);
    byte[] bytes = new byte[3];
    di.read(bytes);
    for (int i = 0; i < expected.length; i++) {
        assertTrue("Headers did not match", bytes[i] == expected[i]);
    }//  ww  w . ja va2 s .c  o  m
    di.close();
}

---

From source file:com.asto.move.util.qcloud.pic.VideoCloud.java

/**
 * Upload ?SliceUpload/*from w ww .  j  a v  a 2 s  . co  m*/
 * @param userid      ?,0
 * @param fileName      ??
 * @param title         
 * @param desc          ??
 * @param magicContext   ????url
 * @param result      ?
 * @return ?0?
 */
public int Upload(String userid, String fileName, String title, String desc, String magicContext,
        UploadResult result) {
    String req_url = "http://" + QCLOUD_DOMAIN + "/" + m_appid + "/" + userid;
    String BOUNDARY = "---------------------------abcdefg1234567";
    String rsp = "";

    // create sign
    long expired = System.currentTimeMillis() / 1000 + 2592000;
    String sign = FileCloudSign.appSign(m_appid, m_secret_id, m_secret_key, expired);
    if (null == sign) {
        return SetError(-1, "create app sign failed");
    }
    System.out.println("sign=" + sign);

    try {
        URL realUrl = new URL(req_url);
        HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
        // set header
        connection.setRequestMethod("POST");
        connection.setRequestProperty("accept", "*/*");
        connection.setRequestProperty("Host", "web.video.myqcloud.com");
        connection.setRequestProperty("user-agent", "qcloud-java-sdk");
        connection.setRequestProperty("Authorization", sign);

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

        OutputStream out = new DataOutputStream(connection.getOutputStream());
        StringBuilder strBuf = new StringBuilder();

        if (fileName != null) {
            File file = new File(fileName);
            String filename = file.getName();
            String contentType = URLConnection.getFileNameMap().getContentTypeFor(fileName);

            strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
            strBuf.append("Content-Disposition: form-data; name=\"FileContent\"; filename=\"").append(fileName)
                    .append("\"\r\n");
            strBuf.append("Content-Type:").append(contentType).append("\r\n\r\n");

            out.write(strBuf.toString().getBytes());

            DataInputStream ins = new DataInputStream(new FileInputStream(file));
            int bytes = 0;
            byte[] bufferOut = new byte[1024];
            while ((bytes = ins.read(bufferOut)) != -1) {
                out.write(bufferOut, 0, bytes);
            }
        }

        byte[] endData = ("\r\n--" + BOUNDARY + "\r\n").getBytes();
        out.write(endData);
        byte[] arrTitle = ("Content-Disposition: form-data; name=\"Title\";\r\n\r\n" + title + "\r\n--"
                + BOUNDARY + "\r\n").getBytes();
        out.write(arrTitle);
        byte[] arrDesc = ("Content-Disposition: form-data; name=\"Desc\";\r\n\r\n" + desc + "\r\n--" + BOUNDARY
                + "\r\n").getBytes();
        out.write(arrDesc);
        byte[] arrMagicContext = ("Content-Disposition: form-data; name=\"magiccontext\";\r\n\r\n"
                + magicContext + "\r\n--" + BOUNDARY + "--\r\n").getBytes();
        out.write(arrMagicContext);

        out.flush();
        out.close();

        connection.connect();
        rsp = GetResponse(connection);
    } catch (Exception e) {
        return SetError(-1, "url exception, e=" + e.toString());
    }

    try {
        JSONObject jsonObject = new JSONObject(rsp);
        int code = jsonObject.getInt("code");
        String msg = jsonObject.getString("message");
        if (0 != code) {
            return SetError(code, msg);
        }

        result.url = jsonObject.getJSONObject("data").getString("url");
        result.download_url = jsonObject.getJSONObject("data").getString("download_url");
        result.fileid = jsonObject.getJSONObject("data").getString("fileid");
        if (jsonObject.getJSONObject("data").has("cover_url"))
            result.cover_url = jsonObject.getJSONObject("data").getString("cover_url");
    } catch (JSONException e) {
        return SetError(-1, "json exception, e=" + e.toString());
    }
    return SetError(0, "success");
}

---

From source file:org.apache.wookie.WidgetAdminServlet.java

private void doDownload(HttpServletRequest req, HttpServletResponse resp, File f, String original_filename)
        throws IOException {
    int BUFSIZE = 1024;

    // File f = new File(filename);
    int length = 0;
    ServletOutputStream op = resp.getOutputStream();
    ServletContext context = getServletConfig().getServletContext();
    String mimetype = context.getMimeType(f.getAbsolutePath());

    ////  ww  w . jav a2s .com
    // Set the response and go!
    //
    //
    resp.setContentType((mimetype != null) ? mimetype : "application/octet-stream");
    resp.setContentLength((int) f.length());
    resp.setHeader("Content-Disposition", "attachment; filename=\"" + original_filename + "\"");

    //
    // Stream to the requester.
    //
    byte[] bbuf = new byte[BUFSIZE];
    DataInputStream in = new DataInputStream(new FileInputStream(f));

    while ((in != null) && ((length = in.read(bbuf)) != -1)) {
        op.write(bbuf, 0, length);
    }

    in.close();
    op.flush();
    op.close();
}

---

From source file:org.kawanfw.commons.util.Sha1Util.java

/**
 * Gets the a file hash value.//from   w  w  w  .j a v a2  s.  c o m
 * 
 * @param file the file to hash
 *            
 * @return the file hash as bytes
 * 
 * @exception IOException
 *                an I/O error occurred
 * @exception NoSuchAlgorithmException
 *                hash algorithm not found
 * @exception NoSuchProviderException
 *                hash provider not found
 */

public byte[] getFileHash(File file) throws IOException, NoSuchAlgorithmException, NoSuchProviderException {

    FileInputStream fisIn = new FileInputStream(file);
    BufferedInputStream bisIn = new BufferedInputStream(fisIn);

    DataInputStream disIn = null;

    try {
        disIn = new DataInputStream(bisIn);

        // Bytes containing the MD5 or SHA-1 Hash Code
        byte[] bytesHash = new byte[160];

        MessageDigest mdInstance = MessageDigest.getInstance("SHA-1");

        int bytesRead;
        int total = disIn.available();

        if (total == 0) {
            return null;
        }

        if (total > READ_BUFFER_SIZE) {
            total = READ_BUFFER_SIZE;
        }

        byte bRead[] = new byte[total];

        while ((bytesRead = disIn.read(bRead)) > 0) {
            mdInstance.update(bRead, 0, bytesRead);
        }

        bytesHash = mdInstance.digest();

        return bytesHash;
    } finally {
        IOUtils.closeQuietly(disIn);
    }

}

---

From source file:org.onesocialweb.openfire.web.FileServlet.java

private void processGet(HttpServletRequest request, HttpServletResponse response)
        throws MissingParameterException, IOException, InvalidParameterValueException {

    // Validate the request token
    // TODO/*from   w  ww .j av a  2  s.  c  o  m*/

    // Process the parameters
    String fileId = request.getParameter("fileId");
    if (fileId == null || fileId.isEmpty()) {
        throw new MissingParameterException("fileId");
    }

    // Get the file entry
    FileEntry fileEntry = UploadManager.getInstance().getFile(fileId);
    if (fileEntry == null) {
        throw new FileNotFoundException(fileId);
    }

    // Open the file
    File file = new File(getUploadFolder(), fileEntry.getId());
    if (!file.exists()) {
        throw new FileNotFoundException(fileEntry.getName());
    }

    // Process the file
    String pSize = request.getParameter("size");
    if (pSize != null) {
    }

    DataInputStream is = new DataInputStream(new FileInputStream(file));

    // Send the headers
    response.setContentType(fileEntry.getType());
    response.setContentLength((int) fileEntry.getSize());
    //response.setHeader("Content-Disposition", "attachment; filename=\"" + fileEntry.getName() + "\"");

    // Stream the file
    final byte[] bbuf = new byte[BUFFSIZE];
    final OutputStream os = response.getOutputStream();

    int length = 0;
    while ((is != null) && ((length = is.read(bbuf)) != -1)) {
        os.write(bbuf, 0, length);
    }

    is.close();
    os.flush();
    os.close();
}

---

From source file:org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewer.java

private void changeLayoutVersion(File src, File dest, int newVersion) throws IOException {
    DataInputStream in = null;
    DataOutputStream out = null;/*from www  .  j  a  v a2 s .  c om*/

    try {
        in = new DataInputStream(new FileInputStream(src));
        out = new DataOutputStream(new FileOutputStream(dest));

        in.readInt();
        out.writeInt(newVersion);

        byte[] b = new byte[1024];
        while (in.read(b) > 0) {
            out.write(b);
        }
    } finally {
        if (in != null)
            in.close();
        if (out != null)
            out.close();
    }
}

---

From source file:com.asto.move.util.qcloud.pic.VideoCloud.java

/**
 * SliceUpload 20M/*w  w w. j a v a  2  s.c  om*/
 * @param userid      ?,0
 * @param fileName      ??
 * @param title         
 * @param desc         ??
 * @param magicContext   ????url
 * @param result      ?
 * @return             ?0?
 */
public int SliceUpload(String userid, String fileName, String title, String desc, String magicContext,
        UploadResult result) {
    String req_url = "http://" + QCLOUD_DOMAIN + "/" + m_appid + "/" + userid;
    String BOUNDARY = "---------------------------abcdefg1234567";
    String rsp = "";
    long fileSize = 0;
    File file;
    if (fileName != null) {
        file = new File(fileName);
        if (file.exists() && file.isFile()) {
            fileSize = file.length();
        } else {
            SetError(-2, "file doesn't exist or is not a file");
        }
    } else {
        SetError(-2, "file doesn't exist or is not a file");
    }

    // create sign
    long expired = System.currentTimeMillis() / 1000 + 2592000;
    String sign = FileCloudSign.appSign(m_appid, m_secret_id, m_secret_key, expired);
    if (null == sign) {
        return SetError(-1, "create app sign failed");
    }
    System.out.println("sign=" + sign);

    try {
        URL realUrl = new URL(req_url);
        HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
        // set header
        connection.setRequestMethod("POST");
        connection.setRequestProperty("accept", "*/*");
        connection.setRequestProperty("Host", "web.video.myqcloud.com");
        connection.setRequestProperty("user-agent", "qcloud-java-sdk");
        connection.setRequestProperty("Authorization", sign);

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

        OutputStream out = new DataOutputStream(connection.getOutputStream());

        byte[] arrOp = ("\r\n--" + BOUNDARY + "\r\n"
                + "Content-Disposition: form-data; name=\"op\";\r\n\r\nupload_slice" + "\r\n--" + BOUNDARY
                + "\r\n").getBytes();
        out.write(arrOp);
        byte[] arrFilesize = ("Content-Disposition: form-data; name=\"filesize\";\r\n\r\n" + fileSize + "\r\n--"
                + BOUNDARY + "\r\n").getBytes();
        out.write(arrFilesize);
        byte[] arrTitle = ("Content-Disposition: form-data; name=\"Title\";\r\n\r\n" + title + "\r\n--"
                + BOUNDARY + "\r\n").getBytes();
        out.write(arrTitle);
        byte[] arrDesc = ("Content-Disposition: form-data; name=\"Desc\";\r\n\r\n" + desc + "\r\n--" + BOUNDARY
                + "\r\n").getBytes();
        out.write(arrDesc);
        byte[] arrMagicContext = ("Content-Disposition: form-data; name=\"magiccontext\";\r\n\r\n"
                + magicContext + "\r\n--" + BOUNDARY + "--\r\n").getBytes();
        out.write(arrMagicContext);

        out.flush();
        out.close();

        connection.connect();
        rsp = GetResponse(connection);
    } catch (Exception e) {
        return SetError(-1, "url exception, e=" + e.toString());
    }

    try {

        JSONObject jsonObject = new JSONObject(rsp);
        int code = jsonObject.getInt("code");
        String msg = jsonObject.getString("message");
        if (0 != code) {
            return SetError(code, msg);
        }

        if (jsonObject.getJSONObject("data").has("url"))
            result.url = jsonObject.getJSONObject("data").getString("url");
        if (jsonObject.getJSONObject("data").has("download_url"))
            result.download_url = jsonObject.getJSONObject("data").getString("download_url");
        if (jsonObject.getJSONObject("data").has("fileid"))
            result.fileid = jsonObject.getJSONObject("data").getString("fileid");
        if (jsonObject.getJSONObject("data").has("cover_url"))
            result.cover_url = jsonObject.getJSONObject("data").getString("cover_url");

        if (result.url.length() <= 0 || result.download_url.length() <= 0 || result.fileid.length() <= 0) {
            String session = jsonObject.getJSONObject("data").getString("session");
            int offset = jsonObject.getJSONObject("data").getInt("offset");
            int sliceSize = jsonObject.getJSONObject("data").getInt("slice_size");
            File upload_file = new File(fileName);
            DataInputStream ins = new DataInputStream(new FileInputStream(upload_file));
            int bytes = 0;
            byte[] bufferOut = new byte[sliceSize];
            while ((bytes = ins.read(bufferOut)) != -1) {
                int ret = UploadData(userid, bufferOut, bytes, session, offset, result);
                if (ret != 1) {
                    return ret;
                }
                offset += bytes;
            }
        } else {
            return SetError(0, "success");
        }
    } catch (JSONException e) {
        return SetError(-1, "json exception, e=" + e.toString());
    } catch (Exception e) {
        return SetError(-1, "url exception, e=" + e.toString());
    }
    return SetError(0, "success");
}

---

From source file:ClipboardExample.java

public Object nativeToJava(TransferData transferData) {
    if (isSupportedType(transferData)) {

        byte[] buffer = (byte[]) super.nativeToJava(transferData);
        if (buffer == null)
            return null;

        MyType[] myData = new MyType[0];
        try {//w  w  w  . ja  va 2s  .c o m
            ByteArrayInputStream in = new ByteArrayInputStream(buffer);
            DataInputStream readIn = new DataInputStream(in);
            while (readIn.available() > 20) {
                MyType datum = new MyType();
                int size = readIn.readInt();
                byte[] name = new byte[size];
                readIn.read(name);
                datum.firstName = new String(name);
                size = readIn.readInt();
                name = new byte[size];
                readIn.read(name);
                datum.lastName = new String(name);
                MyType[] newMyData = new MyType[myData.length + 1];
                System.arraycopy(myData, 0, newMyData, 0, myData.length);
                newMyData[myData.length] = datum;
                myData = newMyData;
            }
            readIn.close();
        } catch (IOException ex) {
            return null;
        }
        return myData;
    }

    return null;
}

---

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