com.linkedin.urls.detection

Class InputTextReader

java.lang.Object

com.linkedin.urls.detection.InputTextReader

public class InputTextReader
extends Object

Class used to read a text input character by character. This also gives the ability to backtrack.

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	MAX_BACKTRACK_MULTIPLIER The number of times something can be backtracked is this multiplier times the length of the string.

Constructor Summary

Constructors

Constructor and Description
InputTextReader(String content) Creates a new instance of the InputTextReader using the content to read.

Method Summary

Modifier and Type	Method and Description
boolean	canReadChars(int numberChars) Returns true if the reader has more the specified number of chars.
boolean	eof() Checks if the current stream is at the end.
int	getBacktrackedCount() Gets the total number of characters that were backtracked when reading.
int	getPosition() Gets the current position in the stream.
void	goBack() Goes back a single character.
String	peek(int numberChars) Peeks at the next number of chars and returns as a string without incrementing the current index.
char	peekChar(int offset) Gets the character in the array offset by the current index.
char	read() Reads a single char from the content stream and increments the index.
void	seek(int position) Moves the index to the specified position.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BACKTRACK_MULTIPLIER

protected static final int MAX_BACKTRACK_MULTIPLIER

The number of times something can be backtracked is this multiplier times the length of the string.

See Also:

Constant Field Values

Constructor Detail

InputTextReader

public InputTextReader(String content)

Creates a new instance of the InputTextReader using the content to read.

Parameters:

content - The content to read.

Method Detail

read

public char read()

Reads a single char from the content stream and increments the index.

Returns:

The next available character.

peek

public String peek(int numberChars)

Peeks at the next number of chars and returns as a string without incrementing the current index.

Parameters:

numberChars - The number of chars to peek.

peekChar

public char peekChar(int offset)

Gets the character in the array offset by the current index.

Parameters:

offset - The number of characters to offset.

Returns:

The character at the location of the index plus the provided offset.

canReadChars

public boolean canReadChars(int numberChars)

Returns true if the reader has more the specified number of chars.

Parameters:

numberChars - The number of chars to see if we can read.

Returns:

True if we can read this number of chars, else false.

eof

public boolean eof()

Checks if the current stream is at the end.

Returns:

True if the stream is at the end and no more can be read.

getPosition

public int getPosition()

Gets the current position in the stream.

Returns:

The index to the current position.

getBacktrackedCount

public int getBacktrackedCount()

Gets the total number of characters that were backtracked when reading.

seek

public void seek(int position)

Moves the index to the specified position.

Parameters:

position - The position to set the index to.

goBack

public void goBack()

Goes back a single character.