Example usage for java.io BufferedOutputStream write

Introduction

In this page you can find the example usage for java.io BufferedOutputStream write.

Prototype

@Override
public synchronized void write(byte b[], int off, int len) throws IOException

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this buffered output stream.

Usage

From source file:gov.nasa.ensemble.common.io.RemotableFile.java

private void getRemoteFileFromStream(InputStream is) throws IOException, FileNotFoundException {
    // create localFile that we will write to
    // - create directories if necessary
    // - overwrite if already exists
    String urlPath = remoteFile.getPath();
    urlPath = urlPath.substring(getRemoteRootDirectory().length());
    try {//from www. jav  a2  s .  c o m
        int urlPathLength = urlPath.lastIndexOf('/');
        if (urlPathLength == -1)
            urlPathLength = 0;
        String dir = getLocalRootPath();
        if (!dir.endsWith("/") && !dir.endsWith("\\"))
            dir += File.separator;
        dir += urlPath.substring(0, urlPathLength);
        File dirs = new File(dir);
        dirs.mkdirs();
        if (!dirs.exists()) {
            trace.warn("Could not create directory" + dirs.getAbsolutePath());
        }
        localFile.createNewFile();
    } catch (IOException e) {
        trace.error("Error creating the file " + localFile + " on the local file system: " + e);
        return;
    }
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(localFile));
    try {
        byte[] buffer = new byte[4096];
        int bytesRead = 0;
        while (bytesRead != -1) {
            bytesRead = is.read(buffer, 0, 4096);
            if (bytesRead == -1)
                continue;
            bos.write(buffer, 0, bytesRead);
        }
    } finally {
        bos.close();
        closeRemoteFileStream(is);
    }
    remoteFileRetrieved();
}

From source file:com.glaf.core.util.ZipUtils.java

public static void unzip(java.io.InputStream inputStream, String path, List<String> excludes) throws Exception {
    File file = new File(path);
    FileUtils.mkdirsWithExistsCheck(file);
    ZipInputStream zipInputStream = null;
    FileOutputStream fileoutputstream = null;
    BufferedOutputStream bufferedoutputstream = null;
    try {//from  w w  w.  j  av  a 2 s  .co m
        zipInputStream = new ZipInputStream(inputStream);
        java.util.zip.ZipEntry zipEntry;
        while ((zipEntry = zipInputStream.getNextEntry()) != null) {
            boolean isDirectory = zipEntry.isDirectory();
            byte abyte0[] = new byte[BUFFER];
            String s1 = zipEntry.getName();
            String ext = FileUtils.getFileExt(s1);
            if (excludes.contains(ext) || excludes.contains(ext.toLowerCase())) {
                continue;
            }

            s1 = convertEncoding(s1);

            String s2 = path + sp + s1;
            s2 = FileUtils.getJavaFileSystemPath(s2);

            if (s2.indexOf('/') != -1 || isDirectory) {
                String s4 = s2.substring(0, s2.lastIndexOf('/'));
                File file2 = new File(s4);
                FileUtils.mkdirsWithExistsCheck(file2);
            }
            if (isDirectory) {
                continue;
            }
            fileoutputstream = new FileOutputStream(s2);
            bufferedoutputstream = new BufferedOutputStream(fileoutputstream, BUFFER);
            int i = 0;
            while ((i = zipInputStream.read(abyte0, 0, BUFFER)) != -1) {
                bufferedoutputstream.write(abyte0, 0, i);
            }
            bufferedoutputstream.flush();
            IOUtils.closeStream(fileoutputstream);
            IOUtils.closeStream(bufferedoutputstream);
        }

    } catch (Exception ex) {
        throw new RuntimeException(ex);
    } finally {
        IOUtils.closeStream(zipInputStream);
        IOUtils.closeStream(fileoutputstream);
        IOUtils.closeStream(bufferedoutputstream);
    }
}

From source file:com.glaf.core.util.ZipUtils.java

public static void unzip(File zipFile, String dir) throws Exception {
    File file = new File(dir);
    FileUtils.mkdirsWithExistsCheck(file);
    FileInputStream fileInputStream = null;
    ZipInputStream zipInputStream = null;
    FileOutputStream fileoutputstream = null;
    BufferedOutputStream bufferedoutputstream = null;
    try {/*from   w  w w. ja  v  a  2s .  com*/
        fileInputStream = new FileInputStream(zipFile);
        zipInputStream = new ZipInputStream(fileInputStream);
        fileInputStream = new FileInputStream(zipFile);
        zipInputStream = new ZipInputStream(fileInputStream);
        java.util.zip.ZipEntry zipEntry;
        while ((zipEntry = zipInputStream.getNextEntry()) != null) {
            boolean isDirectory = zipEntry.isDirectory();
            byte abyte0[] = new byte[BUFFER];
            String s1 = zipEntry.getName();
            s1 = convertEncoding(s1);

            String s2 = dir + "/" + s1;
            s2 = FileUtils.getJavaFileSystemPath(s2);

            if (s2.indexOf('/') != -1 || isDirectory) {
                String s4 = s2.substring(0, s2.lastIndexOf('/'));
                File file2 = new File(s4);
                FileUtils.mkdirsWithExistsCheck(file2);
            }

            if (isDirectory) {
                continue;
            }

            fileoutputstream = new FileOutputStream(s2);
            bufferedoutputstream = new BufferedOutputStream(fileoutputstream, BUFFER);
            int i = 0;
            while ((i = zipInputStream.read(abyte0, 0, BUFFER)) != -1) {
                bufferedoutputstream.write(abyte0, 0, i);
            }
            bufferedoutputstream.flush();
            IOUtils.closeStream(fileoutputstream);
            IOUtils.closeStream(bufferedoutputstream);
        }

    } catch (Exception ex) {
        throw new RuntimeException(ex);
    } finally {
        IOUtils.closeStream(fileInputStream);
        IOUtils.closeStream(zipInputStream);
        IOUtils.closeStream(fileoutputstream);
        IOUtils.closeStream(bufferedoutputstream);
    }
}

From source file:com.alphabetbloc.accessmrs.services.SyncAdapter.java

/**
 * Downloads a stream of Patient Table and Obs Table from OpenMRS, stores it
 * to temp file/*from   ww  w  .  j  a  v  a  2s.c o m*/
 * 
 * @param httpclient
 * 
 * @return the temporary file
 */
private File downloadObsStream(HttpClient client, SyncResult syncResult) {

    // No accurate download size on stream, so hack periodic update
    SyncManager.sLoopCount.set(10);
    SyncManager.sLoopProgress.set(0);
    mExecutor.schedule(new Runnable() {
        public void run() {
            // increase 1%/7s (i.e. slower than 1min timeout)
            SyncManager.sLoopProgress.getAndIncrement();
            if (SyncManager.sLoopProgress.get() < 9)
                mExecutor.schedule(this, 7000, TimeUnit.MILLISECONDS);
        }
    }, 1000, TimeUnit.MILLISECONDS);

    // Download File
    File tempFile = null;
    try {
        tempFile = File.createTempFile(".omrs", "-stream", mContext.getFilesDir());
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(tempFile));
        DataInputStream dis = NetworkUtils.getOdkStream(client, NetworkUtils.getPatientDownloadUrl());

        if (App.DEBUG)
            Log.v("SYNC BENCHMARK", "Download with buffer size=\n" + 8192);
        if (dis != null) {

            byte[] buffer = new byte[8192]; // increasing this from 4096 to
            // improve performance (testing)
            int count = 0;
            while ((count = dis.read(buffer)) > 0) {
                bos.write(buffer, 0, count);
            }

            bos.close();
            dis.close();
        }

    } catch (Exception e) {
        FileUtils.deleteFile(tempFile.getAbsolutePath());
        e.printStackTrace();
        ++syncResult.stats.numIoExceptions;
        return null;
    }

    return tempFile;
}