Examples with MongoGridFSException com.mongodb.MongoGridFSException used on opensource projects

Example 1 with MongoGridFSException

use of com.mongodb.MongoGridFSException in project mongo-java-driver by mongodb.

the class GridFSBucketImpl method readAndWriteInputStream.

private void readAndWriteInputStream(final AsyncInputStream source, final GridFSUploadStream uploadStream, final ByteBuffer buffer, final SingleResultCallback<Void> callback) {
    buffer.clear();
    source.read(buffer, new SingleResultCallback<Integer>() {

        @Override
        public void onResult(final Integer result, final Throwable t) {
            if (t != null) {
                if (t instanceof IOException) {
                    uploadStream.abort(new SingleResultCallback<Void>() {

                        @Override
                        public void onResult(final Void result, final Throwable abortException) {
                            if (abortException != null) {
                                callback.onResult(null, abortException);
                            } else {
                                callback.onResult(null, new MongoGridFSException("IOException when reading from the InputStream", t));
                            }
                        }
                    });
                } else {
                    callback.onResult(null, t);
                }
            } else if (result > 0) {
                buffer.flip();
                uploadStream.write(buffer, new SingleResultCallback<Integer>() {

                    @Override
                    public void onResult(final Integer result, final Throwable t) {
                        if (t != null) {
                            callback.onResult(null, t);
                        } else {
                            readAndWriteInputStream(source, uploadStream, buffer, callback);
                        }
                    }
                });
            } else {
                uploadStream.close(callback);
            }
        }
    });
}

Example 2 with MongoGridFSException

use of com.mongodb.MongoGridFSException in project mongo-java-driver by mongodb.

the class GridFSBucketImpl method rename.

@Override
public void rename(final BsonValue id, final String newFilename, final SingleResultCallback<Void> callback) {
    notNull("id", id);
    notNull("newFilename", newFilename);
    notNull("callback", callback);
    final SingleResultCallback<Void> errHandlingCallback = errorHandlingCallback(callback, LOGGER);
    filesCollection.updateOne(new BsonDocument("_id", id), new BsonDocument("$set", new BsonDocument("filename", new BsonString(newFilename))), new SingleResultCallback<UpdateResult>() {

        @Override
        public void onResult(final UpdateResult result, final Throwable t) {
            if (t != null) {
                errHandlingCallback.onResult(null, t);
            } else if (result.wasAcknowledged() && result.getMatchedCount() == 0) {
                errHandlingCallback.onResult(null, new MongoGridFSException(format("No file found with the ObjectId: %s", id)));
            } else {
                errHandlingCallback.onResult(null, null);
            }
        }
    });
}

Example 3 with MongoGridFSException

use of com.mongodb.MongoGridFSException in project mongo-java-driver by mongodb.

the class GridFSUploadStreamImpl method writeChunk.

private void writeChunk(final SingleResultCallback<Void> callback) {
    if (md5 == null) {
        callback.onResult(null, new MongoGridFSException("No MD5 message digest available, cannot upload file"));
    } else if (bufferOffset > 0) {
        chunksCollection.insertOne(new Document("files_id", fileId).append("n", chunkIndex).append("data", getData()), new SingleResultCallback<Void>() {

            @Override
            public void onResult(final Void result, final Throwable t) {
                if (t != null) {
                    callback.onResult(null, t);
                } else {
                    md5.update(buffer);
                    chunkIndex++;
                    bufferOffset = 0;
                    callback.onResult(null, null);
                }
            }
        });
    } else {
        callback.onResult(null, null);
    }
}

Example 4 with MongoGridFSException

use of com.mongodb.MongoGridFSException in project mongo-java-driver by mongodb.

the class GridFSBucketImpl method delete.

@Override
public void delete(final BsonValue id) {
    DeleteResult result = filesCollection.deleteOne(new BsonDocument("_id", id));
    chunksCollection.deleteMany(new BsonDocument("files_id", id));
    if (result.wasAcknowledged() && result.getDeletedCount() == 0) {
        throw new MongoGridFSException(format("No file found with the id: %s", id));
    }
}

Example 5 with MongoGridFSException

use of com.mongodb.MongoGridFSException in project mongo-java-driver by mongodb.

the class GridFSBucketImpl method uploadFromStream.

@Override
public void uploadFromStream(final BsonValue id, final String filename, final InputStream source, final GridFSUploadOptions options) {
    GridFSUploadStream uploadStream = openUploadStream(id, filename, options);
    int chunkSize = options.getChunkSizeBytes() == null ? chunkSizeBytes : options.getChunkSizeBytes();
    byte[] buffer = new byte[chunkSize];
    int len;
    try {
        while ((len = source.read(buffer)) != -1) {
            uploadStream.write(buffer, 0, len);
        }
        uploadStream.close();
    } catch (IOException e) {
        uploadStream.abort();
        throw new MongoGridFSException("IOException when reading from the InputStream", e);
    }
}