com.oracle.javafx.jmx.json.impl

Class JSONStreamReaderImpl

java.lang.Object

com.oracle.javafx.jmx.json.impl.JSONStreamReaderImpl

All Implemented Interfaces:

JSONReader, Iterable<JSONReader.EventType>, Iterator<JSONReader.EventType>

public class JSONStreamReaderImpl
extends Object
implements JSONReader

Nested Class Summary

Nested classes/interfaces inherited from interface com.oracle.javafx.jmx.json.JSONReader

JSONReader.EventType

Constructor Summary

Constructors

Constructor and Description
JSONStreamReaderImpl(Reader reader)

Method Summary

Modifier and Type	Method and Description
JSONDocument	build() Build an in-memory representation of the input JSON.
void	close() Close the underlying Reader when done reading.
int	column() The current column number in the JSON file.
int	depth() The reader's current depth in the JSON file.
boolean	hasNext()
Iterator<JSONReader.EventType>	iterator()
String	key() The name of the current JSON object.
int	line() The current line number in the JSON file.
JSONReader.EventType	next()
JSONReader.EventType	next(String objectName, int depth) Skips until the specified object is found at the specified depth.
long	offset() The current byte offset in the underlying Reader.
String[]	path() Returns the path from the root to the current position of the JSON file.
void	remove()
String	toString()
String	value() The value of the current JSON object or array element.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

JSONStreamReaderImpl

public JSONStreamReaderImpl(Reader reader)
                     throws JSONException

Throws:

JSONException

Method Detail

iterator

public Iterator<JSONReader.EventType> iterator()

Specified by:

iterator in interface Iterable<JSONReader.EventType>

next

public JSONReader.EventType next(String objectName,
                                 int depth)
                          throws JSONException

Skips until the specified object is found at the specified depth. If depth is negative, find the first occurrence of the specified object. If objectName is null, skip until the specified depth is reached.

Specified by:

next in interface JSONReader

Parameters:

objectName - the name of the object to find, may be null

depth - stop at the first element at this depth, ignored if negative

Returns:

the event at which this method stops, EventType.END_DOCUMENT if not found

Throws:

JSONException - in case of parse errors

next

public JSONReader.EventType next()
                          throws JSONException

Specified by:

next in interface Iterator<JSONReader.EventType>

Throws:

JSONException

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<JSONReader.EventType>

remove

public void remove()

Specified by:

remove in interface Iterator<JSONReader.EventType>

value

public String value()

Description copied from interface: JSONReader

The value of the current JSON object or array element.

Specified by:

value in interface JSONReader

Returns:

the value of the JSON object or array element.

line

public int line()

Description copied from interface: JSONReader

The current line number in the JSON file.

Specified by:

line in interface JSONReader

Returns:

the current line number in the JSON file

column

public int column()

Description copied from interface: JSONReader

The current column number in the JSON file.

Specified by:

column in interface JSONReader

Returns:

the current column number in the JSON file.

offset

public long offset()

Description copied from interface: JSONReader

The current byte offset in the underlying Reader. This is useful for computing percent completion.

Specified by:

offset in interface JSONReader

Returns:

the current byte offset

depth

public int depth()

Description copied from interface: JSONReader

The reader's current depth in the JSON file.

Specified by:

depth in interface JSONReader

Returns:

the current depth in the JSON file.

path

public String[] path()

Description copied from interface: JSONReader

Returns the path from the root to the current position of the JSON file.

Specified by:

path in interface JSONReader

Returns:

a String array containing the path.

key

public String key()

Description copied from interface: JSONReader

The name of the current JSON object.

Specified by:

key in interface JSONReader

Returns:

the name of a JSON object.

toString

public String toString()

Overrides:

toString in class Object

build

public JSONDocument build()

Description copied from interface: JSONReader

Build an in-memory representation of the input JSON. JSON Objects are represented with Maps and JSON Arrays are represented with Lists.

Specified by:

build in interface JSONReader

Returns:

a JSONDocument that contains a Map or a List representing the root of the input object

close

public void close()

Description copied from interface: JSONReader

Close the underlying Reader when done reading.

Specified by:

close in interface JSONReader