Example usage for com.mongodb.gridfs GridFSInputFile getOutputStream

Introduction

In this page you can find the example usage for com.mongodb.gridfs GridFSInputFile getOutputStream.

Prototype

public OutputStream getOutputStream() 

Source Link

Document

After retrieving this java.io.OutputStream , this object will be capable of accepting successively written data to the output stream.

Usage

From source file:tango.mongo.MongoConnector.java

License:Open Source License

public synchronized boolean saveInputImage(ObjectId field_id, int fileRank, ImageHandler img,
        boolean flushImage) {
    if (img == null) {
        return false;
    }//  ww  w.  j ava 2 s.  c  o  m

    //IJ.log("file: "+img.getTitle()+" size:"+img.getSizeInMb()+ " available memory:"+Core.getAvailableMemory()+ " please free memory");
    double scaleZ = img.getScaleZ();
    String unit = img.getUnit();
    String title = img.getTitle();
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    try {
        byte[] data = img.getBinaryData();
        if (data == null) {
            IJ.log("couldn't save image:" + title);
            return false;
        }
        if (flushImage) {
            img.flush();
        }
        GridFSInputFile gfi = this.gfsField.createFile(data);
        data = null;
        gfi.setFilename(title);
        gfi.put("field_id", field_id);
        gfi.put("fileRank", fileRank);
        gfi.put("pixelDepth", scaleZ);
        gfi.put("unit", unit);
        removeInputImage(field_id, fileRank);
        gfi.save();
        gfi.getOutputStream().close();
        return true;
    } catch (Exception e) {
        exceptionPrinter.print(e, "Error while saving image: " + title, true);
    } catch (OutOfMemoryError e) {
        int MEGABYTE = (1024 * 1024);
        MemoryUsage heapUsage = memoryBean.getHeapMemoryUsage();
        long maxMemory = heapUsage.getMax() / MEGABYTE;
        long usedMemory = heapUsage.getUsed() / MEGABYTE;
        IJ.log("Error while saving image:" + title + " Out of memory. Memory Use :" + usedMemory + "M/"
                + maxMemory + "M");
    }
    return false;
}

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From source file:tango.mongo.MongoConnector.java

License:Open Source License

public synchronized void saveFieldThumbnail(ObjectId field_id, int fileIdx, byte[] thumbnail) {
    GridFSInputFile gfi = this.gfsFieldThumbnail.createFile(thumbnail);
    BasicDBObject query = new BasicDBObject("field_id", field_id).append("fileRank", fileIdx);
    gfsFieldThumbnail.remove(query);/* w w  w.  j av a2  s.  c  om*/
    gfi.put("field_id", field_id);
    gfi.put("fileRank", fileIdx);
    gfi.save();
    try {
        gfi.getOutputStream().close();
    } catch (Exception e) {
        exceptionPrinter.print(e, "", Core.GUIMode);
    }
}

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From source file:tango.mongo.MongoConnector.java

License:Open Source License

public synchronized void saveNucleusImage(ObjectId nucleus_id, int fileIdx, int fileType, ImageHandler img) {
    removeNucleusImage(nucleus_id, fileIdx, fileType);
    if (img == null) {
        System.out.println("set nucleus image null");
        return;//from  www .j  av a 2s .  c  o  m
    }
    try {
        GridFSInputFile gfi = this.gfsNucleus.createFile(img.getBinaryData());
        gfi.setFilename(img.getImagePlus().getShortTitle());
        gfi.put("nucleus_id", nucleus_id);
        gfi.put("fileIdx", fileIdx);
        gfi.put("fileType", fileType);
        gfi.put("pixelDepth", img.getScaleZ());
        gfi.put("unit", img.getUnit());
        gfi.put("offsetX", img.offsetX);
        gfi.put("offsetY", img.offsetY);
        gfi.put("offsetZ", img.offsetZ);
        gfi.save();
        if (gfi != null) {
            gfi.getOutputStream().close();
        }
    } catch (Exception e) {
        exceptionPrinter.print(e, "Error while saving image:" + img.getTitle(), Core.GUIMode);
    }
}

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