TokenStream.CharacterStream (Debezium Core 1.3.0.Beta1 API)

All Known Implementing Classes:

TokenStream.CharacterArrayStream

Enclosing class:

TokenStream
```
public static interface TokenStream.CharacterStream
```
Interface used by a TokenStream.Tokenizer to iterate through the characters in the content input to the TokenStream.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`boolean`	`hasNext()` Determine if there is another character available in this stream.
`int`	`index()` Get the index for the last character returned from `next()`.
`boolean`	`isNext(char c)` Determine if the next character on the sream is the supplied value.
`boolean`	`isNext(char nextChar, char followingChar)` Determine if the next two characters on the stream match the supplied values.
`boolean`	`isNext(char nextChar, char nextChar2, char nextChar3)` Determine if the next three characters on the sream match the supplied values.
`boolean`	`isNextAnyOf(char[] characters)` Determine if the next character on the stream matches one of the supplied characters.
`boolean`	`isNextAnyOf(String characters)` Determine if the next character on the stream matches one of the supplied characters.
`boolean`	`isNextLetterOrDigit()` Determine if the next character on the stream is a `letter or digit`.
`boolean`	`isNextValidXmlCharacter()` Determine if the next character on the stream is a `valid XML character`.
`boolean`	`isNextValidXmlNameCharacter()` Determine if the next character on the sream is a `valid XML NCName character`.
`boolean`	`isNextValidXmlNcNameCharacter()` Determine if the next character on the sream is a `valid XML NCName character`.
`boolean`	`isNextWhitespace()` Determine if the next character on the stream is a `whitespace character`.
`char`	`next()` Obtain the next character value, and advance the stream.
`Position`	`position(int startIndex)` Get the position for the last character returned from `next()`.
`String`	`substring(int startIndex, int endIndex)` Get the content from the start position to the end position.

- Method Detail
  - hasNext
```
boolean hasNext()
```
    Determine if there is another character available in this stream.
    
    Returns:
    
    true if there is another character (and next() can be called), or false otherwise
  - next
```
char next()
```
    Obtain the next character value, and advance the stream.
    
    Returns:
    
    the next character
    
    Throws:
    
    NoSuchElementException - if there is no next character
  - index
```
int index()
```
    Get the index for the last character returned from next().
    
    Returns:
    
    the index of the last character returned
  - position
```
Position position(int startIndex)
```
    Get the position for the last character returned from next().
    
    Parameters:
    
    startIndex - the starting index
    
    Returns:
    
    the position of the last character returned; never null
  - substring
```
String substring(int startIndex,
                 int endIndex)
```
    Get the content from the start position to the end position.
    
    Parameters:
    
    startIndex - the starting index
    
    endIndex - the index after the last character to include
    
    Returns:
    
    the content
  - isNextWhitespace
```
boolean isNextWhitespace()
```
    Determine if the next character on the stream is a whitespace character. This method does not advance the stream.
    
    Returns:
    
    true if there is a next character and it is a whitespace character, or false otherwise
  - isNextLetterOrDigit
```
boolean isNextLetterOrDigit()
```
    Determine if the next character on the stream is a letter or digit. This method does not advance the stream.
    
    Returns:
    
    true if there is a next character and it is a letter or digit, or false otherwise
  - isNextValidXmlCharacter
```
boolean isNextValidXmlCharacter()
```
    Determine if the next character on the stream is a valid XML character. This method does not advance the stream.
    
    Returns:
    
    true if there is a next character and it is a valid XML character, or false otherwise
  - isNextValidXmlNameCharacter
```
boolean isNextValidXmlNameCharacter()
```
    Determine if the next character on the sream is a valid XML NCName character. This method does not advance the stream.
    
    Returns:
    
    true if there is a next character and it is a valid XML Name character, or false otherwise
  - isNextValidXmlNcNameCharacter
```
boolean isNextValidXmlNcNameCharacter()
```
    Determine if the next character on the sream is a valid XML NCName character. This method does not advance the stream.
    
    Returns:
    
    true if there is a next character and it is a valid XML NCName character, or false otherwise
  - isNext
```
boolean isNext(char c)
```
    Determine if the next character on the sream is the supplied value. This method does not advance the stream.
    
    Parameters:
    
    c - the character value to compare to the next character on the stream
    
    Returns:
    
    true if there is a next character and it is the supplied character, or false otherwise
  - isNext
```
boolean isNext(char nextChar,
               char followingChar)
```
    Determine if the next two characters on the stream match the supplied values. This method does not advance the stream.
    
    Parameters:
    
    nextChar - the character value to compare to the next character on the stream
    
    followingChar - the character value to compare to the character immediately after the next character on the stream
    
    Returns:
    
    true if there are at least two characters left on the stream and the first matches nextChar and the second matches followingChar
  - isNext
```
boolean isNext(char nextChar,
               char nextChar2,
               char nextChar3)
```
    Determine if the next three characters on the sream match the supplied values. This method does not advance the stream.
    
    Parameters:
    
    nextChar - the character value to compare to the next character on the stream
    
    nextChar2 - the character value to compare to the second character on the stream
    
    nextChar3 - the character value to compare to the second character on the stream
    
    Returns:
    
    true if there are at least two characters left on the stream and the first matches nextChar and the second matches followingChar
  - isNextAnyOf
```
boolean isNextAnyOf(char[] characters)
```
    Determine if the next character on the stream matches one of the supplied characters. This method does not advance the stream.
    
    Parameters:
    
    characters - the characters to match
    
    Returns:
    
    true if there is a next character and it does match one of the supplied characters, or false otherwise
  - isNextAnyOf
```
boolean isNextAnyOf(String characters)
```
    Determine if the next character on the stream matches one of the supplied characters. This method does not advance the stream.
    
    Parameters:
    
    characters - the characters to match
    
    Returns:
    
    true if there is a next character and it does match one of the supplied characters, or false otherwise

Interface TokenStream.CharacterStream

Method Summary

Method Detail

hasNext

next

index

position

substring

isNextWhitespace

isNextLetterOrDigit

isNextValidXmlCharacter

isNextValidXmlNameCharacter

isNextValidXmlNcNameCharacter

isNext

isNext

isNext

isNextAnyOf

isNextAnyOf