Example usage for com.mongodb.client.gridfs GridFSUploadStream write

Introduction

In this page you can find the example usage for com.mongodb.client.gridfs GridFSUploadStream write.

Prototype

@Override
    public abstract void write(byte[] b, int off, int len);

Source Link

Usage

From source file:UnitTest3.java

License:Open Source License

public static void testgridfs3() throws FileNotFoundException, IOException {

    long time1;//from  ww  w .  java 2s. c  o  m
    long time2;
    long time3;
    long time4;
    int n = 0;
    // "/home/anees/workspace/testdata/in/App3.class"
    String fileName = "makezip4.rar";

    MongoClient mongo = new MongoClient("localhost", 27017);
    //DB db = mongo.getDB("JFileDB");
    MongoDatabase db = mongo.getDatabase("JFileDB");
    GridFSBucket gridFSBucket = GridFSBuckets.create(db);

    // Get the input stream
    time1 = System.currentTimeMillis();
    InputStream streamToUploadFrom = new FileInputStream("/home/anees/workspace/testdata/in/" + fileName);

    // Create some custom options
    GridFSUploadOptions options = new GridFSUploadOptions().chunkSizeBytes(1024 * 1024)
            .metadata(new Document("type", "class"));

    byte data[] = new byte[64 * 1024 * 1024];
    GridFSUploadStream uploadStream = gridFSBucket.openUploadStream(fileName, options);

    while ((n = streamToUploadFrom.read(data)) > 0) {
        uploadStream.write(data, 0, n);
    }
    uploadStream.close();
    time2 = System.currentTimeMillis();

    time3 = System.currentTimeMillis();
    Date date = new Date();
    FileOutputStream streamToDownloadTo = new FileOutputStream(
            "/home/anees/workspace/testdata/out/" + fileName + "_" + date.toString());
    GridFSDownloadByNameOptions downloadOptions = new GridFSDownloadByNameOptions().revision(-1);

    GridFSDownloadStream downloadStream = gridFSBucket.openDownloadStreamByName(fileName, downloadOptions);
    long fileLength = downloadStream.getGridFSFile().getLength();
    byte[] bytesToWriteTo = new byte[64 * 1024 * 1024];

    while ((n = downloadStream.read(bytesToWriteTo)) > 0) {
        streamToDownloadTo.write(bytesToWriteTo, 0, n);
    }
    downloadStream.close();
    time4 = System.currentTimeMillis();

    System.out.println("The fileId of the uploaded file is: " + uploadStream.getFileId().toHexString());
    System.out.println("Upload time taken : time2 - time1 : " + (time2 - time1));
    System.out.println("Download time taken : time4 - time3 : " + (time4 - time3));

    streamToDownloadTo.close();
    streamToUploadFrom.close();
    mongo.close();
}

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From source file:com.dilmus.dilshad.scabi.db.DBackFile.java

License:Open Source License

public long put(String fileName, String fullFilePath, String type, String contentType)
        throws IOException, DScabiException, ParseException {
    long time1;//  ww w  . j  a v  a  2  s . c  om
    long time2;
    int n = 0;
    long total = 0;

    // Get the input stream
    time1 = System.currentTimeMillis();
    InputStream fromStream = new FileInputStream(fullFilePath);

    byte data[] = new byte[m_bufferSize];
    GridFSUploadStream uploadStream = m_gridFSBucket.openUploadStream(fileName, m_options);

    while ((n = fromStream.read(data)) > 0) {
        uploadStream.write(data, 0, n);
        total = total + n;
    }
    uploadStream.close();
    fromStream.close();

    updateMetaData(fileName, uploadStream.getFileId(), type, contentType);

    time2 = System.currentTimeMillis();

    log.debug("put() The fileId of the uploaded file is: " + uploadStream.getFileId().toHexString());
    log.debug("put() Upload time taken : time2 - time1 : " + (time2 - time1));

    return total;
}

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From source file:com.dilmus.dilshad.scabi.db.DBackFile.java

License:Open Source License

public long put(String fileName, InputStream fromStream, String type, String contentType)
        throws IOException, DScabiException, ParseException {
    long time1;//from w w  w.ja  va2 s. c o m
    long time2;
    int n = 0;
    long total = 0;

    time1 = System.currentTimeMillis();

    byte data[] = new byte[m_bufferSize];
    GridFSUploadStream uploadStream = m_gridFSBucket.openUploadStream(fileName, m_options);

    while ((n = fromStream.read(data)) > 0) {
        uploadStream.write(data, 0, n);
        total = total + n;
    }
    uploadStream.close();
    fromStream.close();

    updateMetaData(fileName, uploadStream.getFileId(), type, contentType);

    time2 = System.currentTimeMillis();

    log.debug("put() The fileId of the uploaded file is: " + uploadStream.getFileId().toHexString());
    log.debug("put() Upload time taken : time2 - time1 : " + (time2 - time1));

    return total;
}

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