Spring Rest API and Mongodb with GridFS

Reference: https://github.com/vishwakarmarhl

RDataServer

Hello draft of the Mongo DB based file data store service

GIT USAGE

There are two more branches apart from the master branch which have the file upload functionality

  1. Checkout the branch
  2. Pull the current branch
    git pull
  3. After making changes in any of them index and commit
    git add .
    git commit -m “Updated the code and added a message”
  4. Push changes to the github repository
    git push origin FileUploadGridFSSpring
    git push origin MultiPartFileUpload

SETUP & START MONGO DB WIN x64

Download : http://www.mongodb.org/dr/downloads.mongodb.org/win32/mongodb-win32-x86_64-2.4.5.zip/download

  1. Unzip the zip contents in C:\mongodb\
  2. create C:\data\db
  3. Execute the C:\mongodb\bin\mongod.exe –dbpath C:\data\db

CREATE SAMPLE DATA

//The following command simply pre-allocates a 2 gigabyte, uncapped collection named people. db.createCollection(“files”, { size: 2147483648 }) db.files.save( { fileId: ‘1235’, fileName: ‘V_XXX.EXE’, filePath: ‘/opt/storage/rhldata’, fileSizeInKB: 123342, fileExtensionType: ‘EXE’ })

PROJECT USAGE

  1. Start the mongod.exe standalone server
  2. Import the source as a maven project in Eclipse STS IDE
  3. MVN PACKAGE
  4. Deploy on a tomcat instance to see the data from mongodb
  5. An alternate plugin for tomcat enables maven based initialization. mvn tomcat7:run
  6. Open up http://localhost:8088/RDataServe to checkout the grid for file data

APPENDIX/REFERENCE

Mongo Shell Cmds

show dbs show collections

//This command creates a collection named file with a maximum size of 5 megabytes and a maximum of 5000 documents. db.createCollection(“files”, { capped : true, size : 5242880, max : 5000 } )

//The following command simply pre-allocates a 2 gigabyte, uncapped collection named people. db.createCollection(“files”, { size: 2147483648 })

//Drop a collection capped db.files.drop()

//Insert db.files.insert( { _id: 1, fileId: 1234, fileName: ‘R_XXX.EXE’, filePath: ‘/opt/storage/rhldata’, fileSizeInKB: 123412, fileExtensionType: ‘EXE’ })

db.files.save( { fileId: ‘1235’, fileName: ‘V_XXX.EXE’, filePath: ‘/opt/storage/rhldata’, fileSizeInKB: 123342, fileExtensionType: ‘EXE’ })

//Query db.files.find({fileId:1234})

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