Example usage for java.io RandomAccessFile close

List of usage examples for java.io RandomAccessFile close

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Introduction

In this page you can find the example usage for java.io RandomAccessFile close.

Prototype

public void close() throws IOException

Source Link

Document

Closes this random access file stream and releases any system resources associated with the stream.

Usage

From source file:it.drwolf.ridire.session.async.JobDBDataUpdater.java

private String getJobStatus(String encodedJobName) throws HttpException, IOException, DocumentException {
    // back compatibility Heritrix 2
    if (encodedJobName.startsWith("completed-")) {
        return CrawlStatus.FINISHED.toString();
    }// w  w w .  j av a 2  s .  c o  m
    File jobDir = new File(this.jobsDir + CrawlerManager.FILE_SEPARATOR + encodedJobName);
    String[] files = jobDir.list();
    if (files == null || files.length < 2) {
        return CrawlStatus.CREATED.toString();
    }
    String ret = CrawlStatus.CREATED.toString();
    RandomAccessFile progressStatistics = null;
    Calendar now = new GregorianCalendar();
    Date comparingDate = DateUtils.addDays(now.getTime(), -3);
    try {
        progressStatistics = new RandomAccessFile(
                this.jobsDir + CrawlerManager.FILE_SEPARATOR + encodedJobName + CrawlerManager.FILE_SEPARATOR
                        + "logs" + CrawlerManager.FILE_SEPARATOR + "progress-statistics.log",
                "r");
        if (progressStatistics != null) {
            progressStatistics.seek(Math.max(0, progressStatistics.length() - 3000));
            String line = progressStatistics.readLine();
            StringBuffer buffer = new StringBuffer();
            while (line != null) {
                buffer.append(line + "\n");
                line = progressStatistics.readLine();
            }
            String progressStatisticsContent = buffer.toString();
            Matcher m = this.progressStatisticsDatePattern.matcher(progressStatisticsContent);
            int start = 0;
            String lastDateString = "";
            while (m.find(start)) {
                start = m.end();
                lastDateString = m.group();
            }
            Date lastDate = this.progressStatisticsDateFormat.parse(lastDateString);
            if (!progressStatisticsContent.contains("CRAWL ENDED - Finished")
                    && lastDate.after(comparingDate)) {
                ret = CrawlStatus.RUNNING.toString();
            } else {
                ret = CrawlStatus.FINISHED.toString();
            }

        }
    } catch (FileNotFoundException e) {
        // TODO: handle exception
    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        if (progressStatistics != null) {
            progressStatistics.close();
        }
    }
    // File crawlReport = new File(this.jobsDir + FILE_SEPARATOR
    // + encodedJobName + FILE_SEPARATOR + "reports" + FILE_SEPARATOR
    // + "crawl-report.txt");
    // if (crawlReport != null && crawlReport.canRead()) {
    // String crawlReportContent = FileUtils.readFileToString(crawlReport);
    // if (crawlReportContent.contains("crawl status: Finished")) {
    // ret = CrawlStatus.FINISHED.toString();
    // }
    // }
    return ret;
}

From source file:com.clustercontrol.agent.job.PublicKeyThread.java

/**
 * ?Authorized_key????<BR>//from  w w w.j av a  2  s . co m
 * 
 * @param publicKey
 * @return
 */
private synchronized boolean addKey(String publicKey) {
    m_log.debug("add key start");

    if (SKIP_KEYFILE_UPDATE) {
        m_log.info("skipped appending publicKey");
        return true;
    }

    //???
    String fileName = AgentProperties.getProperty(execUser.toLowerCase() + AUTHORIZED_KEY_PATH);

    m_log.debug("faileName" + fileName);
    if (fileName == null || fileName.length() == 0)
        return false;

    //File?
    File fi = new File(fileName);

    RandomAccessFile randomAccessFile = null;
    FileChannel channel = null;
    FileLock lock = null;
    boolean add = false;
    try {
        //RandomAccessFile?
        randomAccessFile = new RandomAccessFile(fi, "rw");
        //FileChannel?
        channel = randomAccessFile.getChannel();

        // 
        for (int i = 0; i < (FILELOCK_TIMEOUT / FILELOCK_WAIT); i++) {
            if (null != (lock = channel.tryLock())) {
                break;
            }
            m_log.info("waiting for locked file... [" + (i + 1) + "/" + (FILELOCK_TIMEOUT / FILELOCK_WAIT)
                    + " : " + fileName + "]");
            Thread.sleep(FILELOCK_WAIT);
        }
        if (null == lock) {
            m_log.warn("file locking timeout.");
            return false;
        }

        // (?)
        synchronized (authKeyLock) {
            //??
            channel.position(channel.size());

            //?
            String writeData = "\n" + publicKey;
            // 
            m_log.debug("add key : " + writeData);

            //?????
            ByteBuffer buffer = ByteBuffer.allocate(512);

            //???
            buffer.clear();
            buffer.put(writeData.getBytes());
            buffer.flip();
            channel.write(buffer);
        }

        add = true;
    } catch (Exception e) {
        m_log.error(e);
    } finally {
        try {
            if (channel != null) {
                channel.close();
            }
            if (randomAccessFile != null) {
                randomAccessFile.close();
            }
            if (lock != null) {
                //
                lock.release();
            }
        } catch (Exception e) {
        }
    }

    return add;
}

From source file:edu.harvard.i2b2.patientMapping.ui.PatientIDConversionJFrame.java

private void jConvertButtonActionPerformed(java.awt.event.ActionEvent evt) {
    int inputIndex = jInputComboBox.getSelectedIndex() + 1;
    int outputIndex = jOutputComboBox.getSelectedIndex() + 1;

    if ((inputIndex == 2 && outputIndex != 2) || (inputIndex == 4 && outputIndex != 5)) {
        Display.getDefault().syncExec(new Runnable() {
            public void run() {
                MessageBox messageBox = new MessageBox(new Shell(), SWT.ICON_WARNING | SWT.OK);

                messageBox.setText("Not valid selections");
                messageBox.setMessage("Input and output pair selected is not valid.");
                messageBox.open();/*  w  w w.j a  v  a 2s  .c o  m*/

            }
        });
        return;
    }
    //jConvertButton.setCursor(new Cursor(Cursor.WAIT_CURSOR));
    String inputFile = this.jInputFilePathTextField.getText();
    if (inputFile == null || inputFile.equalsIgnoreCase("")) {
        JOptionPane.showMessageDialog(this, "Please select a input file.");
        return;
    }

    final String outputFile = this.jOutputFilePathTextField.getText();
    if (outputFile == null || outputFile.equalsIgnoreCase("")) {
        JOptionPane.showMessageDialog(this, "Please select an output file.");
        return;
    }

    final File oDelete = new File(outputFile);

    Display.getDefault().syncExec(new Runnable() {
        public void run() {
            if (oDelete != null && oDelete.exists()) {
                MessageBox messageBox = new MessageBox(new Shell(), SWT.ICON_WARNING | SWT.YES | SWT.NO);

                messageBox.setText("Warning");
                messageBox.setMessage(outputFile + " already exists,\nDo you want to replace it?");
                int buttonID = messageBox.open();
                switch (buttonID) {
                case SWT.YES:
                    oDelete.delete();
                    break;
                case SWT.NO:
                    return;
                case SWT.CANCEL:
                    // does nothing ...
                }
            }
        }
    });
    log.info("Selected output file: " + outputFile);

    //if (fileName != null && fileName.trim().length() > 0) {
    log.info("Selected input file: " + inputFile);

    PatientIDConversionFactory converter = new PatientIDConversionFactory();
    if ((inputIndex == 1 && (outputIndex == 2 || outputIndex == 3))
            || (inputIndex == 3 && (outputIndex == 5 || outputIndex == 6))) {
        converter.sitename(jSiteTextField.getText());
    }
    FileReader fr;
    BufferedReader inbr = null;
    RandomAccessFile f = null;
    //append(f, resultFile.toString());
    jConvertButton.setCursor(new Cursor(Cursor.WAIT_CURSOR));
    try {
        f = new RandomAccessFile(outputFile, "rw");
        fr = new FileReader(new File(inputFile));
        inbr = new BufferedReader(fr);
        //String line = inbr.readLine();
        /*if(!line.startsWith("@@i2b2 patient mapping file@@")) {
           java.awt.EventQueue.invokeLater(new Runnable() {
          public void run() {
             //setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
             JOptionPane.showMessageDialog(jLabel1, "The file is not in a valid format.", "Error importing", JOptionPane.ERROR_MESSAGE);
          }
           });
           //JOptionPane.showMessageDialog(null, "The file is not a valid.", "Error importing", JOptionPane.ERROR_MESSAGE);
           return;
        }*/
        String line = inbr.readLine();
        //log.info("column name: "+line);         

        int rowCount = 0;

        while (line != null) {
            log.info(line);
            String outputline = "";
            /*String[] cols = line.split(",");
            String id;
            if(cols.length < 2) {
               id = "";
            }
            else {
               id = converter.convert(cols[1], 1, 1);               
            }*/
            outputline = converter.convertLine(line, inputIndex, outputIndex);
            append(f, outputline);//cols[0]+","+id+"\n");
            rowCount++;
            line = inbr.readLine();
        }

        log.info("From " + inputIndex + " to " + outputIndex + " total lines: " + rowCount);
        inbr.close();
        f.close();
    } catch (Exception e) {
        e.printStackTrace();
        if (inbr != null) {
            try {
                inbr.close();
            } catch (Exception e1) {
            }
        }

        if (f != null) {
            try {
                f.close();
            } catch (Exception e1) {
            }
        }
    }

    jConvertButton.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
}

From source file:edu.harvard.i2b2.patientMapping.ui.PatientMappingJPanel.java

private void jSaveButtonActionPerformed(java.awt.event.ActionEvent evt) {
    //final Display display = Display.getDefault();
    Display.getDefault().syncExec(new Runnable() {
        public void run() {
            Shell shell = new Shell(Display.getDefault());

            FileDialog dialog = new FileDialog(shell, SWT.SAVE);
            dialog.setFilterNames(new String[] { "Text Files", "All Files (*.*)" });
            dialog.setFilterExtensions(new String[] { "*.txt", "*.*" }); // Windows
            // wild
            // cards
            dialog.setFilterPath("c:\\"); // Windows path
            dialog.setFileName(saveFileName + ".txt");
            String filename = dialog.open();
            //System.out.println("Save to: " + filename);
            if (filename == null) {
                return;
            }//w  w w.j a v  a2 s.  c  o m

            File oDelete = new File(filename);
            if (oDelete != null && oDelete.exists()) {
                MessageBox messageBox = new MessageBox(shell, SWT.ICON_WARNING | SWT.YES | SWT.NO);

                messageBox.setText("Warning");
                messageBox.setMessage(filename + " already exists,\nDo you want to replace it?");
                int buttonID = messageBox.open();
                switch (buttonID) {
                case SWT.YES:
                    oDelete.delete();
                    break;
                case SWT.NO:
                    return;
                case SWT.CANCEL:
                    // does nothing ...

                }
            }

            StringBuilder resultFile = new StringBuilder();
            // resultFile.append("@@i2b2 patient mapping file@@ Total columns: "+jTable1.getColumnCount()+"\n");
            for (int i = 0; i < jTable1.getColumnCount(); i++) {
                resultFile.append(jTable1.getColumnName(i) + ",");
            }

            for (int i = 0; i < jTable1.getRowCount(); i++) {
                resultFile.append("\n");
                for (int j = 0; j < jTable1.getColumnCount(); j++) {
                    if (jTable1.getValueAt(i, j) != null) {
                        resultFile.append("" + jTable1.getValueAt(i, j) + ",");
                    } else {
                        resultFile.append(""/*+jTable1.getValueAt(i, j)*/ + ",");
                    }
                }
            }
            try {
                RandomAccessFile f = new RandomAccessFile(filename, "rw");
                append(f, resultFile.toString());
                f.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

From source file:org.commoncrawl.service.listcrawler.CrawlList.java

/**
 * serialize metadata to disk /*  w  w w.  j  av  a 2  s.c o m*/
 * @throws IOException
 */
void writeMetadataToDisk() throws IOException {

    synchronized (_metadata) {
        RandomAccessFile file = new RandomAccessFile(_listMetadataFile, "rw");
        try {
            file.seek(0);
            _metadata.serialize(file, new BinaryProtocol());
        } finally {
            file.close();
        }
    }
}

From source file:com.joey.software.MoorFLSI.RepeatImageTextReader.java

public void loadTextDataFluxSingle(File file) {
    try {/*from  w w w  .j  a va  2s.co m*/
        RandomAccessFile in = new RandomAccessFile(file, "r");

        // Skip header
        in.readLine();
        in.readLine();
        in.readLine();

        // Skip Subject Information
        in.readLine();
        in.readLine();
        in.readLine();
        in.readLine();
        in.readLine();
        in.readLine();
        String startTimeInput = in.readLine();
        String commentsInput = in.readLine();

        String data = in.readLine();
        while (!data.startsWith("2) System Configuration")) {
            commentsInput += data;
            data = in.readLine();
        }
        // System configuration

        // in.readLine();
        in.readLine();
        String timeCounstantInput = in.readLine();
        String cameraGainInput = in.readLine();
        String exposureTimeInput = in.readLine();
        in.readLine();
        in.readLine();
        in.readLine();
        String resolutionInput = in.readLine();

        // in.readLine();
        // System.out.println(in.readLine());
        // in.readLine();

        // Parse important Size

        high = (new Scanner(resolutionInput.split(":")[1])).nextInt();
        wide = (new Scanner(resolutionInput.split(",")[1])).nextInt();
        int tot = 1;
        while (!data.startsWith("3) Flux Image Data")) {
            System.out.println(data);
            data = in.readLine();
        }
        in.readLine();
        // Parse Image Data
        /*
         * Close Random access file and switch to scanner first store pos
         * then move to correct point.
         */
        long pos = in.getFilePointer();
        in.close();

        FileInputStream fIn = new FileInputStream(file);
        fIn.skip(pos);

        BufferedInputStream bIn = new BufferedInputStream(fIn);
        Scanner sIn = new Scanner(bIn);

        short[][] holder = new short[wide][high];

        JFrame f = new JFrame();
        f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

        StatusBarPanel stat = new StatusBarPanel();
        stat.setMaximum(high);
        f.getContentPane().setLayout(new BorderLayout());
        f.getContentPane().add(stat, BorderLayout.CENTER);
        f.setSize(200, 60);
        f.setVisible(true);

        // Skip over the heading values

        sIn.reset();

        for (int y = 0; y < high; y++) {
            System.out.println(sIn.nextInt());
            try {
                for (int x = 0; x < wide; x++) {
                    holder[x][y] = sIn.nextShort();
                }
            } catch (Throwable e) {

            }

        }
        addData(new Date(), holder);

        FrameFactroy.getFrame(new DynamicRangeImage(holder));
        // Start Image Data

    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:org.apache.jackrabbit.oak.segment.file.TarReader.java

private static TarReader openFirstFileWithValidIndex(List<File> files, boolean memoryMapping) {
    for (File file : files) {
        String name = file.getName();
        try {// w  ww.  j  a va 2  s . c  o m
            RandomAccessFile access = new RandomAccessFile(file, "r");
            try {
                ByteBuffer index = loadAndValidateIndex(access, name);
                if (index == null) {
                    log.info("No index found in tar file {}, skipping...", name);
                } else {
                    // found a file with a valid index, drop the others
                    for (File other : files) {
                        if (other != file) {
                            log.info("Removing unused tar file {}", other.getName());
                            other.delete();
                        }
                    }

                    if (memoryMapping) {
                        try {
                            FileAccess mapped = new FileAccess.Mapped(access);
                            // re-read the index, now with memory mapping
                            int indexSize = index.remaining();
                            index = mapped.read(mapped.length() - indexSize - 16 - 1024, indexSize);
                            return new TarReader(file, mapped, index);
                        } catch (IOException e) {
                            log.warn(
                                    "Failed to mmap tar file {}. Falling back to normal file "
                                            + "IO, which will negatively impact repository performance. "
                                            + "This problem may have been caused by restrictions on the "
                                            + "amount of virtual memory available to the JVM. Please make "
                                            + "sure that a 64-bit JVM is being used and that the process "
                                            + "has access to unlimited virtual memory (ulimit option -v).",
                                    name, e);
                        }
                    }

                    FileAccess random = new FileAccess.Random(access);
                    // prevent the finally block from closing the file
                    // as the returned TarReader will take care of that
                    access = null;
                    return new TarReader(file, random, index);
                }
            } finally {
                if (access != null) {
                    access.close();
                }
            }
        } catch (IOException e) {
            log.warn("Could not read tar file {}, skipping...", name, e);
        }
    }

    return null;
}

From source file:com.mediatek.systemupdate.HttpManager.java

int writeFile(HttpResponse response, long currSize) {
    Xlog.i(TAG, "writeFile");

    if (mDownloadInfo.getDLSessionStatus() != DownloadInfo.STATE_QUERYNEWVERSION) {
        //mNotification.clearNotification(NotifyManager.NOTIFY_DOWNLOADING);
        mNotification.showDownloadingNotificaton(mDownloadInfo.getVerNum(),
                (int) (((double) Util.getFileSize(Util.getPackageFileName(mContext))
                        / (double) mDownloadInfo.getUpdateImageSize()) * 100),
                true);//from   ww w .  ja  va 2 s  . co  m
    }

    Util.cancelAlarm(mContext, Util.Action.ACTION_AUTO_DL_TIME_OUT);
    mDownloadInfo.setOtaAutoDlStatus(false);
    mDownloadInfo.setIfPauseWithinTime(false);

    try {
        // response.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,
        // 10000);
        InputStream in = response.getEntity().getContent();
        File ifolder = new File(Util.getPackagePathName(mContext));
        if (!ifolder.exists()) {
            ifolder.mkdirs();
        }
        RandomAccessFile out = null;

        String pkgFile = Util.getPackageFileName(mContext);
        if (pkgFile == null) {
            Xlog.e(TAG, "pkgFile is null");
            mErrorCode = HTTP_DETECTED_SDCARD_CRASH_OR_UNMOUNT;
            return mErrorCode;
        }
        try {
            out = new RandomAccessFile(pkgFile, "rws");
            out.seek(currSize);
        } catch (IOException e) {
            e.printStackTrace();
            onShutdownConn();
            mErrorCode = HTTP_DETECTED_SDCARD_CRASH_OR_UNMOUNT;
            return mErrorCode;
        }
        byte[] buff = new byte[4096];
        int rc = 0;
        int i = 0;
        int j = 0;
        boolean rightnow = false;
        boolean finish = false;
        File fPkg = new File(pkgFile);

        if (fPkg == null) {
            out.close();
            mErrorCode = HTTP_DETECTED_SDCARD_CRASH_OR_UNMOUNT;
            return mErrorCode;
        }
        while ((rc = in.read(buff, 0, 4096)) > 0) {
            // to-do: handle Intent.ACTION_MEDIA_EJECT
            /*
             * synchronized (this) { if (mEjectFlag) { try { out.close(); }
             * catch (IOException e) { e.printStackTrace(); }
             * onShutdownConn(); return mErrorCode =
             * HTTP_DETECTED_SDCARD_CRASH_OR_UNMOUNT; } }
             */

            try {
                if (fPkg.exists()) {
                    out.write(buff, 0, rc);
                } else {
                    Xlog.e(TAG, "file not exist during downloading ");
                    setPauseState();
                    out.close();
                    onShutdownConn();
                    mErrorCode = HTTP_FILE_NOT_EXIST;
                    sendErrorMessage();
                    return mErrorCode;
                }

            } catch (IOException e) {
                e.printStackTrace();
                out.close();
                onShutdownConn();
                mErrorCode = HTTP_DETECTED_SDCARD_CRASH_OR_UNMOUNT;
                return mErrorCode;
            }
            i++;
            int status = mDownloadInfo.getDLSessionStatus();
            if (status == DownloadInfo.STATE_PAUSEDOWNLOAD || status == DownloadInfo.STATE_QUERYNEWVERSION) {
                Xlog.i(TAG, "writeFile, DownloadInfo = " + status);
                mCookies = null;
                finish = false;
                out.close();
                onShutdownConn();
                return 0;

            }
            if (mHandler == null) {
                if (rightnow) {
                    i = 200;
                    rightnow = false;
                }
                if (i == 200) {
                    onDownloadProcessUpdate();
                    i = 0;
                }
            } else {
                if (!rightnow) {
                    i = 18;
                    rightnow = true;
                }
                if (i == 20) {
                    i = 0;
                    onDownloadProcessUpdate();
                }
            }
            j++;
            if (j == 20) {
                onTransferRatio();
                j = 0;
            }
            finish = true;
        }
        Xlog.i(TAG, "writeFile, finish, rc = " + rc + "bytes" + ". finish = " + finish);
        if (finish) {
            onTransferRatio();
            onDownloadProcessUpdate();
        }

        long curSize = Util.getFileSize(Util.getPackageFileName(mContext));
        Xlog.i(TAG, "curSize = " + curSize + " mNewVersionInfo.mSize = " + mDownloadInfo.getUpdateImageSize());

        out.close();

        if (curSize >= mDownloadInfo.getUpdateImageSize()) {

            onShutdownConn();
            return 0;
        }

    } catch (SocketTimeoutException e) {

        e.printStackTrace();
    } catch (IOException e) {

        e.printStackTrace();
    }

    showNoNetworkToast();

    if (mDownloadInfo.getDLSessionStatus() == DownloadInfo.STATE_DOWNLOADING) {
        setPauseState();
        Xlog.e(TAG, "writeFile, exception to set pause state");
        mDownloadInfo.setOtaAutoDlStatus(true);
        mDownloadInfo.setIfPauseWithinTime(true);
        Util.setAlarm(mContext, AlarmManager.RTC, Calendar.getInstance().getTimeInMillis() + AUTO_DL_TIME,
                Util.Action.ACTION_AUTO_DL_TIME_OUT);

    }

    onShutdownConn();

    mErrorCode = HTTP_RESPONSE_NETWORK_ERROR;

    sendErrorMessage();
    return mErrorCode;
}

From source file:org.openmeetings.servlet.outputhandler.BackupExport.java

public void service(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
        ServletContext servletCtx) throws ServletException, IOException {

    String sid = httpServletRequest.getParameter("sid");
    if (sid == null) {
        sid = "default";
    }/*from   w  w  w.ja v  a  2 s . c o m*/
    log.debug("sid: " + sid);

    Long users_id = sessionManagement.checkSession(sid);
    Long user_level = userManagement.getUserLevelByID(users_id);

    log.debug("users_id: " + users_id);
    log.debug("user_level: " + user_level);

    if (authLevelManagement.checkAdminLevel(user_level)) {
        // if (true) {

        String includeFileOption = httpServletRequest.getParameter("includeFileOption");
        boolean includeFiles = includeFileOption == null || "yes".equals(includeFileOption);

        String moduleName = httpServletRequest.getParameter("moduleName");
        if (moduleName == null) {
            moduleName = "moduleName";
        }
        log.debug("moduleName: " + moduleName);

        if (moduleName.equals("backup")) {

            /*
             * ##################### Create Base Folder structure
             */

            String current_dir = servletCtx.getRealPath("/");
            File working_dir = new File(new File(current_dir, OpenmeetingsVariables.UPLOAD_DIR), "backup");

            if (!working_dir.exists()) {
                working_dir.mkdir();
            }

            String dateString = "backup_" + CalendarPatterns.getTimeForStreamId(new Date());

            File backup_dir = new File(working_dir, dateString);
            String requestedFile = dateString + ".zip";
            File backupFile = new File(backup_dir, requestedFile);

            String full_path = backupFile.getAbsolutePath();
            try {
                performExport(full_path, backup_dir, includeFiles, current_dir);

                RandomAccessFile rf = new RandomAccessFile(full_path, "r");

                httpServletResponse.reset();
                httpServletResponse.resetBuffer();
                httpServletResponse.setContentType("APPLICATION/OCTET-STREAM");
                httpServletResponse.setHeader("Content-Disposition",
                        "attachment; filename=\"" + requestedFile + "\"");
                httpServletResponse.setHeader("Content-Length", "" + rf.length());

                OutputStream out = httpServletResponse.getOutputStream();

                byte[] buffer = new byte[1024];
                int readed = -1;

                while ((readed = rf.read(buffer, 0, buffer.length)) > -1) {
                    out.write(buffer, 0, readed);
                }

                rf.close();

                out.flush();
                out.close();
            } catch (Exception er) {
                log.error("Error exporting: ", er);
            }

            if (backupFile.exists()) {
                // log.debug("DELETE :1: "+backupFile.getAbsolutePath());
                backupFile.delete();
            }

            deleteDirectory(backup_dir);

        }
    } else {
        log.debug("ERROR LangExport: not authorized FileDownload " + (new Date()));
    }
}

From source file:com.hly.component.download.DownloadTransaction.java

public void run() {
    // TODO ?Daemon
    InputStream is = null;/*from   w  ww  .j av  a  2s .com*/
    HttpURLConnection conn = null;
    RandomAccessFile randomFile = null;
    File tmpFile = null;
    try {
        // ?uri
        tmpFile = new File(mTempLocalUri);
        File parentFile = tmpFile.getParentFile();
        if (!parentFile.exists()) {
            parentFile.mkdirs();
        }
        if (!tmpFile.exists()) {
            tmpFile.createNewFile();
        }
        randomFile = new RandomAccessFile(mTempLocalUri, "rw");
        long fileLength = randomFile.length();
        completeSize = fileLength;

        if (isCancel) {
            return;
        }
        String connUrl = mUri;
        // ?uri????
        // getRedirectUrl(connUrl);
        if (!T.ckIsEmpty(mRedirectUri)) {
            connUrl = mRedirectUri;
        }
        conn = getHttpConnetion(connUrl);
        conn.setRequestProperty("range", "bytes=" + fileLength + "-");
        conn.connect();

        int contentLength = conn.getContentLength();
        totalSize = completeSize + contentLength;
        if (contentLength == -1 || contentLength > 0) {
            //    
            randomFile.seek(fileLength);
            byte[] buffer = new byte[8192];
            is = conn.getInputStream();
            int length = -1;
            while ((length = is.read(buffer)) != -1) {
                if (isCancel) {
                    return;
                }
                randomFile.write(buffer, 0, length);
                completeSize += length;
                notifyProgress(length);
            }
        }
        mTransactionState.setState(TransactionState.SUCCESS);
    } catch (Throwable t) {
        Log.w(TAG, Log.getStackTraceString(t));
    } finally {
        isRunning = false;
        isCancel = false;
        try {
            if (randomFile != null) {
                randomFile.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (conn != null) {
            conn.disconnect();
        }

        if (mTransactionState.getState() != TransactionState.SUCCESS) {
            mTransactionState.setState(TransactionState.FAILED);
            Log.e(TAG, "Delivery failed.");
        } else {
            if (tmpFile == null) {
                mTransactionState.setState(TransactionState.FAILED);
            } else {
                File localFile = new File(this.mLocalUri);
                boolean flag = tmpFile.renameTo(localFile);
                if (flag) {
                    Log.d(TAG, "rename pic succ" + this.mLocalUri);
                } else {
                    mTransactionState.setState(TransactionState.FAILED);
                    Log.d(TAG, "rename pic failed" + this.mLocalUri);
                }
            }
        }
        notifyObservers();
    }
}