co.cask.cdap.format.io

Class JsonEncoder

java.lang.Object

co.cask.cdap.format.io.JsonEncoder

All Implemented Interfaces:

Encoder

public final class JsonEncoder
extends Object
implements Encoder

An Encoder that encodes using JsonWriter.

Constructor Summary

Constructors

Constructor and Description
JsonEncoder(com.google.gson.stream.JsonWriter jsonWriter)

Method Summary

Modifier and Type	Method and Description
Encoder	writeBool(boolean b) Writes out a boolean value.
Encoder	writeBytes(byte[] bytes) Writes out a byte array.
Encoder	writeBytes(byte[] bytes, int off, int len) Writes out a byte array.
Encoder	writeBytes(ByteBuffer bytes) Writes out the remaining bytes in ByteBuffer.
Encoder	writeDouble(double d) Writes out a double value.
Encoder	writeFloat(float f) Writes out a float value.
Encoder	writeInt(int i) Writes out a int value.
Encoder	writeLong(long l) Writes out a long value.
Encoder	writeNull() Writes out a null value.
Encoder	writeString(String s) Writes out a string value.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonEncoder

public JsonEncoder(com.google.gson.stream.JsonWriter jsonWriter)

Method Detail

writeNull

public Encoder writeNull()
                  throws IOException

Description copied from interface: Encoder

Writes out a null value.

Specified by:

writeNull in interface Encoder

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeBool

public Encoder writeBool(boolean b)
                  throws IOException

Description copied from interface: Encoder

Writes out a boolean value.

Specified by:

writeBool in interface Encoder

Parameters:

b - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeInt

public Encoder writeInt(int i)
                 throws IOException

Description copied from interface: Encoder

Writes out a int value.

Specified by:

writeInt in interface Encoder

Parameters:

i - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeLong

public Encoder writeLong(long l)
                  throws IOException

Description copied from interface: Encoder

Writes out a long value.

Specified by:

writeLong in interface Encoder

Parameters:

l - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeFloat

public Encoder writeFloat(float f)
                   throws IOException

Description copied from interface: Encoder

Writes out a float value.

Specified by:

writeFloat in interface Encoder

Parameters:

f - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeDouble

public Encoder writeDouble(double d)
                    throws IOException

Description copied from interface: Encoder

Writes out a double value.

Specified by:

writeDouble in interface Encoder

Parameters:

d - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeString

public Encoder writeString(String s)
                    throws IOException

Description copied from interface: Encoder

Writes out a string value.

Specified by:

writeString in interface Encoder

Parameters:

s - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeBytes

public Encoder writeBytes(byte[] bytes)
                   throws IOException

Description copied from interface: Encoder

Writes out a byte array.

Specified by:

writeBytes in interface Encoder

Parameters:

bytes - the value to write

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeBytes

public Encoder writeBytes(byte[] bytes,
                          int off,
                          int len)
                   throws IOException

Description copied from interface: Encoder

Writes out a byte array.

Specified by:

writeBytes in interface Encoder

Parameters:

bytes - the value to write

off - the starting offset in the byte array to write

len - number of bytes to write, starting from the given offset

Returns:

this Encoder

Throws:

IOException - if failed to encode

writeBytes

public Encoder writeBytes(ByteBuffer bytes)
                   throws IOException

Description copied from interface: Encoder

Writes out the remaining bytes in ByteBuffer. The given ByteBuffer is untounch after this method is returned (i.e. same position and limit).

Specified by:

writeBytes in interface Encoder

Parameters:

bytes - bytes to write

Returns:

this Encoder

Throws:

IOException - if failed to encode