com.yahoo.prelude.query

Class Substring

java.lang.Object

com.yahoo.prelude.query.Substring

public class Substring
extends Object

An substring which also provides access to the full (query) string it is a substring of. This is immutable.

Author:

bratseth

Field Summary

Fields

Modifier and Type	Field and Description
int	end The end of the substring
int	start The start of the substring
String	string The string this is a substring of

Constructor Summary

Constructors

Constructor and Description
Substring(int start, int end, String string)

Method Summary

Modifier and Type	Method and Description
char	charAfter(int n) Returns the character n places (0 base) after the end of the value substring into the superstring.
char	charBefore(int n) Returns the character n places (0 base) before the start of the value substring into the superstring.
String	getSuperstring() Returns the entire string this is a substring of.
String	getValue()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

start

public final int start

The start of the substring

end

public final int end

The end of the substring

string

public final String string

The string this is a substring of

Constructor Detail

Substring

public Substring(int start,
                 int end,
                 String string)

Method Detail

getValue

public String getValue()

getSuperstring

public String getSuperstring()

Returns the entire string this is a substring of. The start and end offsets are into this string.

charAfter

public char charAfter(int n)

Returns the character n places (0 base) after the end of the value substring into the superstring. For example charAfter(0) returns the first character after the end of the substring

Returns:

the char n planes after the end of the substring

Throws:

IndexOutOfBoundsException - if the string is not long enough to have a character at this position

charBefore

public char charBefore(int n)

Returns the character n places (0 base) before the start of the value substring into the superstring. For example charBefore(0) returns the first character before the start of the substring

Returns:

the char n planes before the start of the substring

Throws:

IndexOutOfBoundsException - if the string does not have a character at this position

toString

public String toString()

Overrides:

toString in class Object