Java Json to Object decodeCommandAsJson(final BsonInput bsonInput)

Description

decode Command As Json

License

Apache License

Declaration

public static String decodeCommandAsJson(final BsonInput bsonInput) 

Method Source Code

//package com.java2s;
/*/*from   w  ww  .j  a  va 2 s.c o m*/
 * Copyright 2014 MongoDB, Inc.
 *
 * 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.BsonBinaryReader;

import org.bson.BsonDocument;

import org.bson.codecs.BsonDocumentCodec;
import org.bson.codecs.DecoderContext;
import org.bson.codecs.EncoderContext;

import org.bson.io.BsonInput;

import org.bson.json.JsonWriter;
import java.io.StringWriter;

public class Main {
    public static String decodeCommandAsJson(final BsonInput bsonInput) {
        bsonInput.readInt32(); // length
        bsonInput.readInt32(); //requestId
        bsonInput.readInt32(); //responseTo
        bsonInput.readInt32(); // opcode
        bsonInput.readInt32(); // flags
        bsonInput.readCString(); //collectionName
        bsonInput.readInt32(); // numToSkip
        bsonInput.readInt32(); // numToReturn

        BsonBinaryReader reader = new BsonBinaryReader(bsonInput);
        BsonDocumentCodec codec = new BsonDocumentCodec();
        BsonDocument document = codec.decode(reader, DecoderContext.builder().build());
        StringWriter writer = new StringWriter();
        JsonWriter jsonWriter = new JsonWriter(writer);
        codec.encode(jsonWriter, document, EncoderContext.builder().build());
        return writer.toString();
    }
}

Related

1. decode(String httpMessageBody, Class objectClass)
2. decode(String input)
3. decode(String json, Class clazz)
4. decode(String json, Class clazz)
5. deserialize(JsonReader reader, Class type)
6. deserialize(String json, Class clazz)
7. deserialize(String json, Class targetType)
8. deserialize(String jsonData, Class typeOfT)