org.apache.jackrabbit.oak.commons.json
Class JsopStream

java.lang.Object
  org.apache.jackrabbit.oak.commons.json.JsopStream

All Implemented Interfaces:

JsopReader, JsopWriter

public class JsopStream
extends Object
implements JsopReader, JsopWriter

A fast Jsop writer / reader.

Field Summary

Fields inherited from interface org.apache.jackrabbit.oak.commons.json.JsopReader

COMMENT, END, ERROR, FALSE, IDENTIFIER, NULL, NUMBER, STRING, TRUE

Constructor Summary

JsopStream()

Method Summary

JsopStream	append(JsopWriter w) Append all entries of the given writer.
JsopStream	array() Append '['.
JsopStream	encodedValue(String raw) Append an already encoded value.
JsopStream	endArray() Append ']'.
JsopStream	endObject() Append '}'.
String	getToken() Get the last token value if the the token type was STRING or NUMBER.
int	getTokenType() Get the token type of the last token.
JsopStream	key(String key) Append the key (in quotes) plus a colon.
boolean	matches(int type) Read a token which must match a given token type.
JsopStream	newline() Append a newline character.
JsopStream	object() Append '{'.
int	read() Read a token and return the token type.
String	read(int type) Read a token which must match a given token type.
String	readRawValue() Return the row (escaped) token.
String	readString() Read a string.
void	resetReader() Reset the position to 0, so that to restart reading.
void	resetWriter() Resets this instance, so that all data is discarded.
void	setLineLength(int i) Set the line length, after which a newline is added (to improve readability).
JsopStream	tag(char tag) Append a Jsop tag character.
String	toString()
JsopStream	value(boolean b) Append the boolean value 'true' or 'false'.
JsopStream	value(long x) Append a number.
JsopStream	value(String value) Append a string or null.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsopStream

public JsopStream()

Method Detail

append

public JsopStream append(JsopWriter w)

Description copied from interface: JsopWriter

Append all entries of the given writer.

Specified by:

append in interface JsopWriter

Parameters:

w - the writer

Returns:

this

tag

public JsopStream tag(char tag)

Description copied from interface: JsopWriter

Append a Jsop tag character.

Specified by:

tag in interface JsopWriter

Parameters:

tag - the string to append

Returns:

this

array

public JsopStream array()

Description copied from interface: JsopWriter

Append '['. A comma is appended first if needed.

Specified by:

array in interface JsopWriter

Returns:

this

encodedValue

public JsopStream encodedValue(String raw)

Description copied from interface: JsopWriter

Append an already encoded value. A comma is appended first if needed.

Specified by:

encodedValue in interface JsopWriter

Parameters:

raw - the value

Returns:

this

endArray

public JsopStream endArray()

Description copied from interface: JsopWriter

Append ']'.

Specified by:

endArray in interface JsopWriter

Returns:

this

endObject

public JsopStream endObject()

Description copied from interface: JsopWriter

Append '}'.

Specified by:

endObject in interface JsopWriter

Returns:

this

key

public JsopStream key(String key)

Description copied from interface: JsopWriter

Append the key (in quotes) plus a colon. A comma is appended first if needed.

Specified by:

key in interface JsopWriter

Parameters:

key - the key

Returns:

this

newline

public JsopStream newline()

Description copied from interface: JsopWriter

Append a newline character.

Specified by:

newline in interface JsopWriter

Returns:

this

object

public JsopStream object()

Description copied from interface: JsopWriter

Append '{'. A comma is appended first if needed.

Specified by:

object in interface JsopWriter

Returns:

this

value

public JsopStream value(String value)

Description copied from interface: JsopWriter

Append a string or null. A comma is appended first if needed.

Specified by:

value in interface JsopWriter

Parameters:

value - the value

Returns:

this

value

public JsopStream value(long x)

Description copied from interface: JsopWriter

Append a number. A comma is appended first if needed.

Specified by:

value in interface JsopWriter

Parameters:

x - the value

Returns:

this

value

public JsopStream value(boolean b)

Description copied from interface: JsopWriter

Append the boolean value 'true' or 'false'. A comma is appended first if needed.

Specified by:

value in interface JsopWriter

Parameters:

b - the value

Returns:

this

resetReader

public void resetReader()

Description copied from interface: JsopReader

Reset the position to 0, so that to restart reading.

Specified by:

resetReader in interface JsopReader

resetWriter

public void resetWriter()

Description copied from interface: JsopWriter

Resets this instance, so that all data is discarded.

Specified by:

resetWriter in interface JsopWriter

setLineLength

public void setLineLength(int i)

Description copied from interface: JsopWriter

Set the line length, after which a newline is added (to improve readability).

Specified by:

setLineLength in interface JsopWriter

Parameters:

i - the length

getToken

public String getToken()

Description copied from interface: JsopReader

Get the last token value if the the token type was STRING or NUMBER. For STRING, the text is decoded; for NUMBER, it is returned as parsed. In all other cases the result is undefined.

Specified by:

getToken in interface JsopReader

Returns:

the token

getTokenType

public int getTokenType()

Description copied from interface: JsopReader

Get the token type of the last token. The token type is one of the known types (END, STRING, NUMBER,...), or, for Jsop tags such as "+", "-", it is the Unicode character code of the tag.

Specified by:

getTokenType in interface JsopReader

Returns:

the token type

matches

public boolean matches(int type)

Description copied from interface: JsopReader

Read a token which must match a given token type.

Specified by:

matches in interface JsopReader

Parameters:

type - the token type

Returns:

true if there was a match

read

public String read(int type)

Description copied from interface: JsopReader

Read a token which must match a given token type.

Specified by:

read in interface JsopReader

Parameters:

type - the token type

Returns:

the token (null when reading a null value)

read

public int read()

Description copied from interface: JsopReader

Read a token and return the token type.

Specified by:

read in interface JsopReader

Returns:

the token type

readRawValue

public String readRawValue()

Description copied from interface: JsopReader

Return the row (escaped) token.

Specified by:

readRawValue in interface JsopReader

Returns:

the escaped string (null when reading a null value)

readString

public String readString()

Description copied from interface: JsopReader

Read a string.

Specified by:

readString in interface JsopReader

Returns:

the de-escaped string (null when reading a null value)

toString

public String toString()

Overrides:

toString in class Object