Package com.wavefront.ingester

Class StringParser

java.lang.Object

com.wavefront.ingester.StringParser

public class StringParser
extends Object

A lightweight parser custom-tailored to suit all of our supported line protocols.

Author:

vasily@wavefront.com

Constructor Summary

Constructors

Constructor	Description
StringParser(String input)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Checks whether there are more tokens available in the string.
String	next()	Retrieves the next available token and advances further.
String	peek()	Retrieves the next available token, but does not advance the further, so multiple calls to peek() return the same value.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringParser

public StringParser(@Nonnull
                    String input)

Parameters:

input - string to parse at instance creation

Method Detail

peek

@Nullable
public String peek()

Retrieves the next available token, but does not advance the further, so multiple calls to peek() return the same value. The value is cached so performance penalty for multiple peek() calls is negligible.

Returns:

next available token or null if end of line is reached

hasNext

public boolean hasNext()

Checks whether there are more tokens available in the string.

Returns:

true if more tokens available

next

@Nullable
public String next()

Retrieves the next available token and advances further.

Returns:

next available token or null if end of line is reached