org.beanio.stream.json
Class JsonReaderSupport

java.lang.Object
  org.beanio.stream.json.JsonReaderSupport

Direct Known Subclasses:

JsonReader, JsonRecordUnmarshaller

public abstract class JsonReaderSupport
extends Object

Base class for reading a JSON formatted stream.

Since:

2.0

Author:

Kevin Seim

See Also:

JsonRecordParserFactory

Field Summary

protected boolean	eof Flag indicating the end of the stream was reached
protected Reader	in The Reader to read from

Method Summary

protected boolean	isWhitespace(char c) Returns whether the given character is whitespace.
protected Object	parseValue(String text) Parses a null, boolean or numeric value from the given text.
protected List<Object>	readArray() Reads a JSON array from the input stream.
protected Map<String,Object>	readObject() Reads the next JSON object from the stream.
protected String	readString() Reads a JSON string value from the input stream.
protected char	readUnicode() Reads a Unicode character in JSON format.
protected void	setReader(Reader in) Set the Reader to read from.

Methods inherited from class java.lang.Object

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

Field Detail

in

protected Reader in

The Reader to read from

eof

protected boolean eof

Flag indicating the end of the stream was reached

Method Detail

setReader

protected void setReader(Reader in)

Set the Reader to read from.

Parameters:

in - the Reader

readObject

protected Map<String,Object> readObject()
                                 throws IOException

Reads the next JSON object from the stream.

Returns:

the JSON object Map

Throws:

IOException

readArray

protected List<Object> readArray()
                          throws IOException

Reads a JSON array from the input stream.

Returns:

the parsed JSON array

Throws:

IOException

parseValue

protected Object parseValue(String text)
                     throws IOException

Parses a null, boolean or numeric value from the given text.

Parameters:

text - the text to parse

Returns:

the parsed value: either null, Boolean, Double, Long or Integer

Throws:

IOException

readString

protected String readString()
                     throws IOException

Reads a JSON string value from the input stream.

Returns:

the JSON string value

Throws:

IOException

readUnicode

protected char readUnicode()
                    throws IOException

Reads a Unicode character in JSON format.

Returns:

the Unicode character

Throws:

IOException

isWhitespace

protected boolean isWhitespace(char c)

Returns whether the given character is whitespace.

Parameters:

c - the character to test

Returns:

true if whitespace, false othereise