org.yuanheng.cookjson

Class BsonParser

java.lang.Object

org.yuanheng.cookjson.BsonParser

All Implemented Interfaces:

Closeable, AutoCloseable, JsonParser, CookJsonParser

public class BsonParser
extends Object
implements CookJsonParser

This is a simple implementation of JsonParser for BSON format.

Due to the fact that BSON has a lot of types that are MongoDB specific, only the following types are supported by this JsonParser.

• document
• array
• int32
• int64 - UTC Date/Time, Timestamp are treated as longs.
• string - JavaScript code, Deprecated are treated as strings.
• double
• null
• true
• false
• binary - binary subtype information is ignored. ObjectId is treated as binary.

Author:

Heng Yuan

Nested Class Summary

Nested classes/interfaces inherited from interface javax.json.stream.JsonParser

JsonParser.Event

Constructor Summary

Constructors

Constructor and Description
BsonParser(InputStream is)

Method Summary

Modifier and Type	Method and Description
void	close()
BigDecimal	getBigDecimal()
int	getBinaryFormat() Gets the binary format for storing byte[].
byte[]	getBytes() Returns the byte[] value if the parser state is JsonParser.Event.VALUE_STRING and the data is actually a binary data.
JsonParser.Event	getEvent() Gets the current event.
int	getInt()
JsonLocation	getLocation()
long	getLong()
String	getString()
JsonValue	getValue() Based on the current event, retrieve the JsonValue.
boolean	hasNext()
boolean	isBinary() Returns true if the current JSON value at the current parser state is actually a binary data.
boolean	isIntegralNumber()
boolean	isRootAsArray() Gets the status of treating root as array.
JsonParser.Event	next()
void	setBinaryFormat(int binaryFormat) Sets the binary format for storing byte[].
void	setRootAsArray(boolean b) Treats the root as Array rather than Document.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BsonParser

public BsonParser(InputStream is)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface JsonParser

getEvent

public JsonParser.Event getEvent()

Description copied from interface: CookJsonParser

Gets the current event.

Specified by:

getEvent in interface CookJsonParser

Returns:

the current event.

getValue

public JsonValue getValue()

Description copied from interface: CookJsonParser

Based on the current event, retrieve the JsonValue.

In case of START_OBJECT and START_ARRAY, JsonObject and JsonArray objects are returned. This feature is to allow the mixing of streaming and model based APIs.

Specified by:

getValue in interface CookJsonParser

Returns:

the JsonValue associated with the current event.

next

public JsonParser.Event next()

Specified by:

next in interface JsonParser

getString

public String getString()

Specified by:

getString in interface JsonParser

isBinary

public boolean isBinary()

Description copied from interface: CookJsonParser

Returns true if the current JSON value at the current parser state is actually a binary data.

Specified by:

isBinary in interface CookJsonParser

Returns:

true if the String value is actually a binary.

getBytes

public byte[] getBytes()

Description copied from interface: CookJsonParser

Returns the byte[] value if the parser state is JsonParser.Event.VALUE_STRING and the data is actually a binary data.

Specified by:

getBytes in interface CookJsonParser

Returns:

the binary value.

isIntegralNumber

public boolean isIntegralNumber()

Specified by:

isIntegralNumber in interface JsonParser

getInt

public int getInt()

Specified by:

getInt in interface JsonParser

getLong

public long getLong()

Specified by:

getLong in interface JsonParser

getBigDecimal

public BigDecimal getBigDecimal()

Specified by:

getBigDecimal in interface JsonParser

getLocation

public JsonLocation getLocation()

Specified by:

getLocation in interface JsonParser

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface JsonParser

isRootAsArray

public boolean isRootAsArray()

Gets the status of treating root as array.

Returns:

the status of treating root as array.

setRootAsArray

public void setRootAsArray(boolean b)

Treats the root as Array rather than Document.

By default, the root is treated as Document (Object in JSON). With this flag set, the root is treated as array, and field names are ignored as the result.

Parameters:

b - true or false.

getBinaryFormat

public int getBinaryFormat()

Gets the binary format for storing byte[].

It is one of BinaryFormat.BINARY_FORMAT_BASE64 and BinaryFormat.BINARY_FORMAT_HEX.

Returns:

the binaryFormat

setBinaryFormat

public void setBinaryFormat(int binaryFormat)

Sets the binary format for storing byte[]. The default is Base64.

It is one of BinaryFormat.BINARY_FORMAT_BASE64 and BinaryFormat.BINARY_FORMAT_HEX.

Parameters:

binaryFormat - the binary format