ariba.util.io
Class TokenGenerator

java.lang.Object
  java.io.Reader
      java.io.FilterReader
          ariba.util.io.TokenGenerator

All Implemented Interfaces:

java.io.Closeable, java.lang.Readable

public class TokenGenerator
extends java.io.FilterReader

TokenGenerator is a private class that transform an ASCII byte stream in tokens. This is class is used by the Deserializer.

Field Summary

static char	ARRAY_BEGIN_TOKEN
static char	ARRAY_END_TOKEN
static char	GENERIC_SEP_TOKEN
static char	HASHTABLE_BEGIN_TOKEN
static char	HASHTABLE_END_TOKEN
static char	HASHTABLE_KEY_VALUE_END_TOKEN
static char	HASHTABLE_KEY_VALUE_SEP_TOKEN
static char	LAST_TOKEN_TYPE
static char	NULL_TOKEN
static char	NULL_VALUE_TOKEN
static char	STRING_TOKEN
static char	VECTOR_BEGIN_TOKEN
static char	VECTOR_END_TOKEN

Constructor Summary

TokenGenerator(java.io.Reader in)

Method Summary

char	charForLastToken() Returns the ASCII byte that matches a given token.
char[]	charsForLastToken() Return the bytes parsed to generate the last returned token.
boolean	hasMoreTokens()
int	lineForLastToken() Return the line number for the last returned token
int	nextToken()
int	peekNextToken()

Methods inherited from class java.io.FilterReader

close, mark, markSupported, read, read, ready, reset, skip

Methods inherited from class java.io.Reader

read, read

Methods inherited from class java.lang.Object

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

Field Detail

NULL_TOKEN

public static final char NULL_TOKEN

See Also:

Constant Field Values

STRING_TOKEN

public static final char STRING_TOKEN

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Constant Field Values

ARRAY_BEGIN_TOKEN

public static final char ARRAY_BEGIN_TOKEN

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Constant Field Values

ARRAY_END_TOKEN

public static final char ARRAY_END_TOKEN

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Constant Field Values

VECTOR_BEGIN_TOKEN

public static final char VECTOR_BEGIN_TOKEN

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Constant Field Values

VECTOR_END_TOKEN

public static final char VECTOR_END_TOKEN

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Constant Field Values

HASHTABLE_BEGIN_TOKEN

public static final char HASHTABLE_BEGIN_TOKEN

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Constant Field Values

HASHTABLE_KEY_VALUE_SEP_TOKEN

public static final char HASHTABLE_KEY_VALUE_SEP_TOKEN

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Constant Field Values

HASHTABLE_KEY_VALUE_END_TOKEN

public static final char HASHTABLE_KEY_VALUE_END_TOKEN

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Constant Field Values

HASHTABLE_END_TOKEN

public static final char HASHTABLE_END_TOKEN

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Constant Field Values

GENERIC_SEP_TOKEN

public static final char GENERIC_SEP_TOKEN

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Constant Field Values

NULL_VALUE_TOKEN

public static final char NULL_VALUE_TOKEN

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Constant Field Values

LAST_TOKEN_TYPE

public static final char LAST_TOKEN_TYPE

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Constant Field Values

Constructor Detail

TokenGenerator

public TokenGenerator(java.io.Reader in)

Method Detail

hasMoreTokens

public final boolean hasMoreTokens()
                            throws DeserializationException,
                                   java.io.IOException

Throws:

DeserializationException

java.io.IOException

nextToken

public final int nextToken()
                    throws DeserializationException,
                           java.io.IOException

Throws:

DeserializationException

java.io.IOException

peekNextToken

public final int peekNextToken()
                        throws DeserializationException,
                               java.io.IOException

Throws:

DeserializationException

java.io.IOException

charsForLastToken

public final char[] charsForLastToken()

Return the bytes parsed to generate the last returned token.

charForLastToken

public char charForLastToken()

Returns the ASCII byte that matches a given token. Use this method when the token is a separator (everything but a string).

lineForLastToken

public int lineForLastToken()

Return the line number for the last returned token