org.apache.jackrabbit.mk.json
Class JsopTokenizer

java.lang.Object
  org.apache.jackrabbit.mk.json.JsopTokenizer

All Implemented Interfaces:

JsopReader

public class JsopTokenizer
extends Object
implements JsopReader

A tokenizer for Json and Jsop strings.

Field Summary

static int	COMMENT
static int	END
static int	ERROR
static int	FALSE
static int	IDENTIFIER
static int	NULL
static int	NUMBER
static int	STRING
static int	TRUE

Constructor Summary

JsopTokenizer(String json)

JsopTokenizer(String json, int pos)

Method Summary

static String	decode(String s) Decode a Json string.
static String	decodeQuoted(String s) Decode a quoted Json string.
String	getEscapedToken() Get the last encoded (raw) string, including escape sequences.
int	getLastPos()
int	getPos()
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.
boolean	matches(int type) Read a token which must match a given token type.
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() Read a value and return the raw Json representation.
String	readString() Read a string.
void	resetReader()
void	setPos(int pos)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

END

public static final int END

See Also:

Constant Field Values

STRING

public static final int STRING

See Also:

Constant Field Values

NUMBER

public static final int NUMBER

See Also:

Constant Field Values

TRUE

public static final int TRUE

See Also:

Constant Field Values

FALSE

public static final int FALSE

See Also:

Constant Field Values

NULL

public static final int NULL

See Also:

Constant Field Values

ERROR

public static final int ERROR

See Also:

Constant Field Values

IDENTIFIER

public static final int IDENTIFIER

See Also:

Constant Field Values

COMMENT

public static final int COMMENT

See Also:

Constant Field Values

Constructor Detail

JsopTokenizer

public JsopTokenizer(String json,
                     int pos)

JsopTokenizer

public JsopTokenizer(String json)

Method Detail

resetReader

public void resetReader()

Specified by:

resetReader in interface JsopReader

toString

public String toString()

Overrides:

toString in class Object

getTokenType

public int getTokenType()

Get the token type of the last token.

Specified by:

getTokenType in interface JsopReader

Returns:

the token type

getToken

public String getToken()

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

getEscapedToken

public String getEscapedToken()

Get the last encoded (raw) string, including escape sequences.

Returns:

the encoded string

read

public String read(int type)

Read a token which must match a given token type.

Specified by:

read in interface JsopReader

Parameters:

type - the token type

Returns:

the token (a null object when reading a null value)

Throws:

IllegalStateException - if the token type doesn't match

readString

public String readString()

Read a string.

Specified by:

readString in interface JsopReader

Returns:

the de-escaped string

Throws:

IllegalStateException - if the token type doesn't match

matches

public boolean matches(int type)

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 int read()

Read a token and return the token type.

Specified by:

read in interface JsopReader

Returns:

the token type

decodeQuoted

public static String decodeQuoted(String s)

Decode a quoted Json string.

Parameters:

s - the encoded string, with double quotes

Returns:

the string

decode

public static String decode(String s)

Decode a Json string.

Parameters:

s - the encoded string, without double quotes

Returns:

the string

readRawValue

public String readRawValue()

Read a value and return the raw Json representation.

Specified by:

readRawValue in interface JsopReader

Returns:

the Json representation of the value

getPos

public int getPos()

getLastPos

public int getLastPos()

setPos

public void setPos(int pos)