Main.java Source code

Introduction

Here is the source code for Main.java

Source

  FileShortTitle:Insert images in mongoDB FileLongTitle:Insert images in mongoDB FileTag:Transfer===SectionShortTitle:Question SectionLongTitle:Question SectionContent:

  <p>We would like to know how to insert images in mongoDB.</p>===SectionShortTitle:Answer SectionLongTitle:Answer SectionContent:

  <myPreCode>

  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;

  import com.mongodb.BasicDBObject;
  import com.mongodb.DB;
  import com.mongodb.MongoClient;
  import com.mongodb.gridfs.GridFS;
  import com.mongodb.gridfs.GridFSDBFile;
  import com.mongodb.gridfs.GridFSInputFile;

  public class Main {

      public static byte[] LoadImage(String filePath) throws Exception {
          File file = new File(filePath);
          int size = (int) file.length();
          byte[] buffer = new byte[size];
          FileInputStream in = new FileInputStream(file);
          in.read(buffer);
          in.close();
          return buffer;
      }

public static void main(String[] args) throws Exception {
  byte[] imageBytes = LoadImage("C:/Java_Dev/bear.png");
  MongoClient mongo = new MongoClient("127.0.0.1");
  String dbName = "GridFSTestJava";
  DB db = mongo.getDB(dbName);

  GridFS fs = new GridFS(db);
  GridFSInputFile in = fs.createFile(imageBytes);
  in.save();

  GridFSDBFile out = fs.findOne(new BasicDBObject("_id", in.getId()));

  FileOutputStream outputImage = new FileOutputStream("C:/Temp/bearCopy.bmp");
  out.writeTo(outputImage);
  outputImage.close();
}
  }</myPreCode>

  ===