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Program to Insert JSON In Collection In MongoDb in java >

Program to Insert JSON In Collection In MongoDb in java >

package insertDocumentInCollectionInMongoDB;

/**

* Write a program to Insert JSON In Collection In MongoDb in java

import com.mongodb.BasicDBObject;

import com.mongodb.DB;

import com.mongodb.DBCollection;

import com.mongodb.DBCursor;

import com.mongodb.DBObject;

import com.mongodb.MongoClient;

import com.mongodb.MongoClientURI;

import com.mongodb.util.JSON;

public class InsertDocumentInCollectionInMongoDb2_Json {

public static void main(String[] args) {

/* Connect to MongoDB */

MongoClient mongoClient =

new MongoClient(new MongoClientURI("mongodb://localhost:27017"));

/* Connect to DATABASE */

//If in case database doesn't exists, it will be created at runtime

DB db = mongoClient.getDB("mydb");

/* Get the COLLECTION (TABLE) */

//If in case collection (Table) doesn't exists, it will be created at runtime

DBCollection dbCollection = db.getCollection("employee");

/*If collection already exists, you may remove everything

from collection for perfect OUTPUT of program*/

//dbCollection.remove(new BasicDBObject()); //Not Mandatory

/** Create JSON 1 */

String json1= "{id : 1, firstName:'ankit'}";

DBObject dbObject1 = (DBObject)JSON.parse(json1);

/** INSERT JSON1 in COLLECTION in MongoDB */

System.out.println("INSERT JSON1 >");

dbCollection.insert(dbObject1);

/** Create JSON 2 */

String json2= "{id : 2, firstName:'sam'}";

DBObject dbObject2 = (DBObject)JSON.parse(json2);

/** INSERT JSON2 in COLLECTION in MongoDB */

System.out.println("INSERT JSON1 >");

dbCollection.insert(dbObject2);

/* Display documents of COLLECTION in MongoDB */

System.out.println("Display documents of COLLECTION in MongoDB >");

DBCursor cursor = dbCollection.find();

while (cursor.hasNext()) {

System.out.println(cursor.next());

}

/* OUTPUT

INSERT JSON1 >

Display documents of COLLECTION in MongoDB >

{ "_id" : { "$oid" : "585c102a7dbba63084e26c1c"} , "id" : 1 , "firstName" : "ankit"}

{ "_id" : { "$oid" : "585c102a7dbba63084e26c1d"} , "id" : 2 , "firstName" : "sam"}

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Summary -

So in this MongoDB tutorial we learned with example and program how to to Insert JSON In Collection In MongoDb in java.

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