import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
/**
 * @param dis
 * @throws IOException
 * @throws JsonParseException
 * @throws JsonMappingException
 */
private void readFileHeader(DataInputStream dis) throws IOException, JsonParseException, JsonMappingException {
	BsonFactory factory = new BsonFactory();
	ObjectMapper mapper = new ObjectMapper(factory);
	JsonNode rootNode = mapper.readValue(RogReaderUtils.readBytesArray(dis), JsonNode.class);
	JsonNode version = rootNode.findValue(RogReaderUtils.VERSION_KEY);
	int rogversion =version.asInt();
	if(rogversion > RogReaderUtils.RENDER_GEOMETRY_FILE_VERSION){
		throw new RuntimeException(RogReaderUtils.RENDER_GEOMETRY_FILE_EXT + " cannot be read as it is made for a newer version of ODL Studio.");
	}
	
	JsonNode isNOLP = rootNode.findValue(RogReaderUtils.IS_NOPL_KEY);
	if(isNOLP!=null){
		this.isNOLP = isNOLP.asBoolean();
	}else{
		this.isNOLP = false;
	}
}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
private void writeBJSONFileHeader(boolean isNOLPL,DataOutputStream dos){
	try {
	    ByteArrayOutputStream baos = new ByteArrayOutputStream();
	    BsonFactory factory = new BsonFactory();
	    JsonGenerator gen = factory.createJsonGenerator(baos);

	    gen.writeStartObject();
	    gen.writeFieldName(RogReaderUtils.VERSION_KEY);
	    gen.writeNumber(RogReaderUtils.RENDER_GEOMETRY_FILE_VERSION);

	    gen.writeFieldName(RogReaderUtils.IS_NOPL_KEY);
	    gen.writeBoolean(isNOLPL);
	    
	    gen.writeEndObject();
	    gen.close();
	   
	    ROGWriterUtils.writeByteArray(baos.toByteArray(), dos);
	} catch (Exception e) {
		throw new RuntimeException(e);
	}

}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
@Benchmark
public void testBson4Jackson () throws IOException
{
	BsonFactory bsonFactory = new BsonFactory();
	de.undercouch.bson4jackson.BsonParser p = bsonFactory.createParser (getInputStream ());
	perfTest2 (p);
	p.close ();
}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
/**
 * Initialize the servlet
 *
 * @param config
 * @throws ServletException
 */
@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    mJsonMapper = new ObjectMapper(new JsonFactory());
    mBsonMapper = new ObjectMapper(new BsonFactory());
}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
public BsonJackson() {
	super(new ObjectMapper(new BsonFactory()));
	
	// Install MongoDB / BSON serializers
	tryToAddSerializers("io.datatree.dom.adapters.BsonJacksonBsonSerializers", mapper);
}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
@Test
public void testWffBinaryMessageBytesLengthIsLowerThanBson() throws Exception {
    
    List<NameValue> nameValues = getProducedNameValues();

    byte[] message = WffBinaryMessageUtil.VERSION_1.getWffBinaryMessageBytes(nameValues);
    
    Map<String, List<String>> jsonObject = getProducedJsonObject();
    
    ObjectMapper bsonMapper = new ObjectMapper(
            new BsonFactory());

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bsonMapper.writeValue(baos, jsonObject);
    byte[] bsonBytes = baos.toByteArray();
    assertTrue(message.length < bsonBytes.length);
    
    if (message.length < bsonBytes.length) {
        System.out.println("the length of wff binary message is lower than bson bytes, the ratio wff binary message:bson = " + (message.length + ":" + bsonBytes.length)+ ", gain is " + (bsonBytes.length - message.length) + " bytes");
    }
    
}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
public static ObjectMapper createObjectMapper() {
    BsonFactory bsonFactory = new BsonFactory();
    bsonFactory.enable(BsonParser.Feature.HONOR_DOCUMENT_LENGTH);

    return new ObjectMapper(bsonFactory);
}
 

import de.undercouch.bson4jackson.BsonFactory; //导入依赖的package包/类
@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    mJsonMapper = new ObjectMapper(new JsonFactory());
    mBsonMapper = new ObjectMapper(new BsonFactory());
}