public abstract class JsonGenerator implements Closeable, Flushable
Abstract low-level JSON serializer.
Implementation has no fields and therefore thread-safe, but sub-classes are not necessarily
thread-safe.
Inheritance
Object >
JsonGenerator
Constructors
JsonGenerator()
Methods
close()
public abstract void close()
Closes the serializer and the underlying output stream or writer, and releases any memory
associated with it.
enablePrettyPrint()
public void enablePrettyPrint()
Requests that the output be pretty printed (by default it is not).
Default implementation does nothing, but implementations may override to provide actual
pretty printing.
| Exceptions |
| Type |
Description |
IOException |
possible I/O exception (unused in default implementation)
|
flush()
public abstract void flush()
Flushes any buffered content to the underlying output stream or writer.
getFactory()
public abstract JsonFactory getFactory()
Returns the JSON factory from which this generator was created.
serialize(Object value)
public final void serialize(Object value)
Serializes the given JSON value object, or if value is null it does no
serialization.
| Parameter |
| Name |
Description |
value |
Object
|
writeBoolean(boolean state)
public abstract void writeBoolean(boolean state)
Writes a literal JSON boolean value ('true' or 'false').
| Parameter |
| Name |
Description |
state |
boolean
|
writeEndArray()
public abstract void writeEndArray()
Writes a JSON end array character ']'.
writeEndObject()
public abstract void writeEndObject()
Writes a JSON end object character '}'.
writeFieldName(String name)
public abstract void writeFieldName(String name)
Writes a JSON quoted field name.
| Parameter |
| Name |
Description |
name |
String
|
writeNull()
public abstract void writeNull()
Writes a literal JSON null value.
writeNumber(double v)
public abstract void writeNumber(double v)
Writes a JSON double value.
| Parameter |
| Name |
Description |
v |
double
|
writeNumber(float v)
public abstract void writeNumber(float v)
Writes a JSON float value.
| Parameter |
| Name |
Description |
v |
float
|
writeNumber(int v)
public abstract void writeNumber(int v)
| Parameter |
| Name |
Description |
v |
int
|
writeNumber(String encodedValue)
public abstract void writeNumber(String encodedValue)
Writes a JSON numeric value that has already been encoded properly.
| Parameter |
| Name |
Description |
encodedValue |
String
|
writeNumber(BigDecimal v)
public abstract void writeNumber(BigDecimal v)
Writes a JSON big decimal value.
writeNumber(BigInteger v)
public abstract void writeNumber(BigInteger v)
Writes a JSON big integer value.
writeNumber(long v)
public abstract void writeNumber(long v)
Writes a JSON long value.
| Parameter |
| Name |
Description |
v |
long
|
writeStartArray()
public abstract void writeStartArray()
Writes a JSON start array character '['.
writeStartObject()
public abstract void writeStartObject()
Writes a JSON start object character '{'.
writeString(String value)
public abstract void writeString(String value)
Writes a JSON quoted string value.
| Parameter |
| Name |
Description |
value |
String
|
