Expression.Tokenizer

java.lang.Object
- org.apache.felix.gogo.runtime.Expression.Tokenizer

All Implemented Interfaces:

java.util.Iterator<java.lang.String>

Enclosing class:

Expression
```
private class Expression.Tokenizer
extends java.lang.Object
implements java.util.Iterator<java.lang.String>
```
Expression tokenizer that allows to iterate over a String expression token by token. Blank characters will be skipped.

Field Summary

Fields
Modifier and Type	Field	Description
`private java.lang.String`	`input`	The original input expression.
`private int`	`pos`	Actual position in expression string.
`private java.lang.String`	`previousToken`	The previous token or `null` if none.

Constructor Summary

Constructors
Constructor Description

Tokenizer(java.lang.String input)
Creates a new tokenizer for an expression.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getPos()`	Get the actual character position in the string.
`boolean`	`hasNext()`
`java.lang.String`	`next()`
`private char`	`peekNextChar()`	Peek at the next character, without advancing the iterator.
`void`	`remove()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator
forEachRemaining

- Field Detail
  - pos
```
private int pos
```
    Actual position in expression string.
  - input
```
private java.lang.String input
```
    The original input expression.
  - previousToken
```
private java.lang.String previousToken
```
    The previous token or null if none.
- Constructor Detail
  - Tokenizer
```
public Tokenizer(java.lang.String input)
```
    Creates a new tokenizer for an expression.
    
    Parameters:
    
    input - The expression string.
- Method Detail
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface java.util.Iterator<java.lang.String>
  - peekNextChar
```
private char peekNextChar()
```
    Peek at the next character, without advancing the iterator.
    
    Returns:
    
    The next character or character 0, if at end of string.
  - next
```
public java.lang.String next()
```
    Specified by:
    
    next in interface java.util.Iterator<java.lang.String>
  - remove
```
public void remove()
```
    Specified by:
    
    remove in interface java.util.Iterator<java.lang.String>
  - getPos
```
public int getPos()
```
    Get the actual character position in the string.
    
    Returns:
    
    The actual character position.