Example usage for java.io FileOutputStream flush

Introduction

In this page you can find the example usage for java.io FileOutputStream flush.

Prototype

public void flush() throws IOException

Source Link

Document

Flushes this output stream and forces any buffered output bytes to be written out.

Usage

From source file:net.pms.medialibrary.commons.helpers.FileImportHelper.java

/**
 * Saves the file specified by the url to the file saveFileName
 * @param url url of the file to save/* ww  w  .  j a  v  a2  s  .co m*/
 * @param saveFileName absolute path to save the file to
 * @throws IOException thrown if the save operation failed or the content type of the file was of type text
 */
public static void saveUrlToFile(String url, String saveFileName) throws IOException {
    URL u = new URL(url);
    URLConnection uc = u.openConnection();
    String contentType = uc.getContentType();
    int contentLength = uc.getContentLength();
    if (contentType.startsWith("text/") || contentLength == -1) {
        throw new IOException("This is not a binary file.");
    }
    InputStream raw = uc.getInputStream();
    InputStream in = new BufferedInputStream(raw);
    byte[] data = new byte[contentLength];
    int bytesRead = 0;
    int offset = 0;
    while (offset < contentLength) {
        bytesRead = in.read(data, offset, data.length - offset);
        if (bytesRead == -1)
            break;
        offset += bytesRead;
    }
    in.close();

    if (offset != contentLength) {
        throw new IOException("Only read " + offset + " bytes; Expected " + contentLength + " bytes");
    }

    FileOutputStream out = new FileOutputStream(saveFileName);
    out.write(data);
    out.flush();
    out.close();

    log.debug(String.format("Saved url='%s' to file='%s'", url, saveFileName));
}

From source file:com.aliyun.odps.ogg.handler.datahub.BadOperateWriterTest.java

@Test
public void testCheckFileSize() throws IOException {

    for (int i = 0; i < 2; i++) {
        String content = "hello,world";

        if (i == 1) {
            content = "hello,liangyf";
        }// ww w.  j ava  2s  . co  m

        String fileName = "1.txt";

        File file = new File(fileName);

        FileOutputStream outputStream = FileUtils.openOutputStream(file);

        outputStream.write(content.getBytes());
        outputStream.flush();
        outputStream.close();

        BadOperateWriter.checkFileSize(fileName, 1);

        Assert.assertTrue(!file.exists());

        BufferedReader br = new BufferedReader(new FileReader(fileName + ".bak"));

        String line = "";
        StringBuffer buffer = new StringBuffer();
        while ((line = br.readLine()) != null) {
            buffer.append(line);
        }

        br.close();

        String fileContent = buffer.toString();

        Assert.assertEquals(content, fileContent);
    }

    FileUtils.deleteQuietly(new File("1.txt"));
    FileUtils.deleteQuietly(new File("1.txt.bak"));
}

From source file:at.tugraz.sss.serv.util.SSFileU.java

public static void writeFileBytes(final FileOutputStream fileOut, final InputStream streamIn,
        final Integer transmissionSize) throws SSErr {

    try {//w  w w. jav  a  2  s  .  c  om

        final byte[] fileBytes = new byte[transmissionSize];
        int read;
        while ((read = streamIn.read(fileBytes)) != -1) {

            if (fileBytes.length == 0 || read <= 0) {

                fileOut.write(new byte[0]);
                fileOut.flush();
                break;
            }

            fileOut.write(fileBytes, 0, read);
            fileOut.flush();
        }
    } catch (Exception error) {
        SSServErrReg.regErrThrow(error);
    } finally {

        if (fileOut != null) {
            try {
                fileOut.close();
            } catch (IOException ex) {
                SSLogU.err(ex);
            }
        }

        if (streamIn != null) {
            try {
                streamIn.close();
            } catch (IOException ex) {
                SSLogU.err(ex);
            }
        }
    }
}

From source file:it.unisannio.srss.dame.android.services.FTPService.java

public void downloadFile(String remoteFilePath, String localFilePath) {
    File file = new File(localFilePath);
    File parentFile = file.getParentFile();
    if (!parentFile.isDirectory() && !file.getParentFile().mkdirs()) {
        Log.e(TAG, "Unable to create the directory " + parentFile.getAbsolutePath());
        return;/*from  w  w w  .  ja va 2  s  . c o m*/
    }
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(file);
        this.ftp.retrieveFile(remoteFilePath, fos);
        fos.flush();
    } catch (FileNotFoundException e) {
        Log.e(TAG, "Unable to open " + file.getAbsolutePath() + " for writing.", e);
    } catch (IOException e) {
        Log.e(TAG, "Error while downloading the payloads.", e);
    } finally {
        if (fos != null)
            try {
                fos.close();
            } catch (Exception e) {
            }
    }
}

From source file:com.actelion.research.mapReduceExecSpark.executors.MapReduceExecutorSparkProxy.java

public void writeToFile(String path, String serUUID, byte[] bytes) {
    //String path = httproot + File.separator + serUUID;
    System.out.println("serializing map-reduce task to " + path);
    try {//from  w  ww  . j  a  va  2 s. com
        FileOutputStream fileOutputStream = new FileOutputStream(path);
        fileOutputStream.write(bytes);
        fileOutputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.wuliu.biz.util.export.strategy.CarIndexExport.java

public String export(String folderPath, String templateName, List<WuliuMergedOrderModel> mergedOrders)
        throws Exception {

    List<List<WuliuMergedOrderModel>> mergedOrderLists = split(mergedOrders);

    if (CollectionUtils.isEmpty(mergedOrderLists)) {
        return null;
    }//from ww w .ja v a  2 s  .c om

    File template = new File(this.getClass().getClassLoader().getResource(templateName).getFile());
    InputStream inp = new FileInputStream(template);
    Workbook wb = WorkbookFactory.create(inp);
    Sheet sheet = wb.getSheetAt(0);
    fillSheet(sheet, mergedOrders);

    File file = new File(folderPath, getName(mergedOrders));
    try {
        FileOutputStream outputStream = new FileOutputStream(file);
        wb.write(outputStream);
        outputStream.flush();
        outputStream.close();
        wb.close();
        System.out.println("success");
    } catch (Exception e) {
        System.out.println("It cause Error on WRITTING excel workbook: ");
        e.printStackTrace();
    }
    return file.getAbsolutePath();
}

From source file:hu.sztaki.lpds.dcibridge.util.io.HttpHandler.java

public void read(String pURL, String pPath) throws Exception {
    File f = new File(pPath);
    f.createNewFile();//w ww. j a v a 2 s  . c om
    open(pURL);
    InputStream is = getStream(new Hashtable<String, String>());
    FileOutputStream outFile = new FileOutputStream(f);
    byte[] b = new byte[5120];
    int ln = 0;
    while ((ln = is.read(b)) > 0) {
        outFile.write(b, 0, ln);
        outFile.flush();
    }

    outFile.close();
    is.close();
    close();
}

From source file:com.google.code.maven.plugin.http.client.transformer.ResponseToFileResource.java

@Override
protected Resource transform(HttpResponse response) throws Exception {
    InputStream in = getContentInputStream(response.getEntity());
    File file = FileResourceUtils.create(target, overwrite);
    FileOutputStream out = new FileOutputStream(file);
    byte buffer[] = new byte[256];
    int size;/*from   w w w  .j  a  v  a2 s .c o m*/
    while ((size = in.read(buffer)) > 0) {
        out.write(buffer, 0, size);
        out.flush();
    }
    out.close();
    in.close();
    return target;
}

From source file:com.galenframework.actions.GalenActionConfig.java

@Override
public void execute() throws IOException {
    File file = new File("config");

    if (!file.exists()) {
        file.createNewFile();//from w ww . ja  v  a 2 s.c  om
        FileOutputStream fos = new FileOutputStream(file);

        StringWriter writer = new StringWriter();
        IOUtils.copy(getClass().getResourceAsStream("/config-template.conf"), writer, "UTF-8");
        IOUtils.write(writer.toString(), fos, "UTF-8");
        fos.flush();
        fos.close();
        outStream.println("Created config file");
    } else {
        errStream.println("Config file already exists");
    }
}

From source file:MainServer.ImageUploadServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    try {/* ww w.  j a  v a  2  s.  c  o m*/
        List<FileItem> items = this.upload.parseRequest(request);
        if (items != null && !items.isEmpty()) {
            for (FileItem item : items) {
                String filename = item.getName();
                String filepath = fileDir + File.separator + filename;
                System.out.println("File path: " + filepath);
                File file = new File(filepath);
                InputStream inputStream = item.getInputStream();
                BufferedInputStream bis = new BufferedInputStream(inputStream);
                FileOutputStream fos = new FileOutputStream(file);
                int f;
                while ((f = bis.read()) != -1) {
                    fos.write(f);
                }
                fos.flush();
                fos.close();
                bis.close();
                inputStream.close();
                System.out.println("File: " + filename + "Uploaded");
            }
        }
        System.out.println("Uploaded!");
        out.write("Uploaded!");
    } catch (FileUploadException | IOException e) {
        System.out.println(e);
        out.write(fileDir);
    }
}