org.apache.myfaces.trinidadinternal.el
Class Tokenizer

java.lang.Object
  org.apache.myfaces.trinidadinternal.el.Tokenizer

All Implemented Interfaces:

java.util.Iterator<Tokenizer.Token>

public class Tokenizer
extends java.lang.Object
implements java.util.Iterator<Tokenizer.Token>

converts a EL expression into tokens.

Nested Class Summary

class

Tokenizer.Token

Field Summary

static int	EXP_END_TYPE Identifies the expression end character.
static int	EXP_START_TYPE Identifies the expression start string.
static int	NUMBER_TYPE identifies a number eg: "123", "321.321"
static int	OPER_TYPE Identifies an operator.
static int	QUOTED_TYPE Identifies a quotation.
static int	TEXT_TYPE Identifies some plain text
static int	VAR_TYPE Identifies a variable usage.
static int	WHITE_SPACE_TYPE Identifies a series of whitespace characters

Constructor Summary

Tokenizer(java.lang.String expression)
Creates a new Tokenizer

Method Summary

boolean	hasNext()
Tokenizer.Token	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

TEXT_TYPE

public static final int TEXT_TYPE

Identifies some plain text

See Also:

Constant Field Values

EXP_START_TYPE

public static final int EXP_START_TYPE

Identifies the expression start string. This string is two charaters long and is: "#{"

See Also:

Constant Field Values

EXP_END_TYPE

public static final int EXP_END_TYPE

Identifies the expression end character. This is character is "}"

See Also:

Constant Field Values

WHITE_SPACE_TYPE

public static final int WHITE_SPACE_TYPE

Identifies a series of whitespace characters

See Also:

Constant Field Values

QUOTED_TYPE

public static final int QUOTED_TYPE

Identifies a quotation. Eg: "quotation", 'quotation', 'he said, "foo!"' , "it's it". More examples: "foo \" bar" , 'foo \' bar'

See Also:

Constant Field Values

VAR_TYPE

public static final int VAR_TYPE

Identifies a variable usage. Eg: "row", "row.name", "foo.bar.baz"

See Also:

Constant Field Values

NUMBER_TYPE

public static final int NUMBER_TYPE

identifies a number eg: "123", "321.321"

See Also:

Constant Field Values

OPER_TYPE

public static final int OPER_TYPE

Identifies an operator. eg: ">", "[", "+", "?"

See Also:

Constant Field Values

Constructor Detail

Tokenizer

public Tokenizer(java.lang.String expression)

Creates a new Tokenizer

Parameters:

expression - the expression to tokenize

Method Detail

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<Tokenizer.Token>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<Tokenizer.Token>

next

public Tokenizer.Token next()

Specified by:

next in interface java.util.Iterator<Tokenizer.Token>