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This project contains some common utilities used in different projects from theMatchBox.

There is a newer version: 2.0.2

package com.thematchbox.db;

/* Copyright 2015 theMatchBox

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/


import org.bson.types.ObjectId;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

public class MemoryFile extends AbstractFile {
    private byte[] bytes;

    public MemoryFile(byte[] bytes) {
        this.bytes = bytes;
    }

    @Override
    public InputStream getInputStream(MongoDBConnection dbConnection) {
        return new ByteArrayInputStream(bytes);
    }

    @Override
    public MongoFile asMongoFile(MongoDBConnection dbConnection) throws MongoDBException {

        ObjectId objectId = dbConnection.writeFile(getInputStream(dbConnection));

        return new MongoFile(objectId);
    }

    @Override
    public boolean isEmpty() {
        return bytes == null || bytes.length == 0;
    }

    @Override
    public void remove(MongoDBConnection dbConnection) {
        bytes = null;
    }
}