org.apache.jasper.xmlparser

Class XMLString

java.lang.Object

org.apache.jasper.xmlparser.XMLString

Direct Known Subclasses:

XMLStringBuffer

public class XMLString
extends Object

This class is used as a structure to pass text contained in the underlying character buffer of the scanner. The offset and length fields allow the buffer to be re-used without creating new character arrays.

Note: Methods that are passed an XMLString structure should consider the contents read-only and not make any modifications to the contents of the buffer. The method receiving this structure should also not modify the offset and length if this structure (or the values of this structure) are passed to another method.

Note: Methods that are passed an XMLString structure are required to copy the information out of the buffer if it is to be saved for use beyond the scope of the method. The contents of the structure are volatile and the contents of the character buffer cannot be assured once the method that is passed this structure returns. Therefore, methods passed this structure should not save any reference to the structure or the character array contained in the structure.

Version:

$Id: XMLString.java,v 1.2 2005/12/08 01:29:02 kchung Exp $

Author:

Eric Ye, IBM, Andy Clark, IBM

Field Summary

Fields

Modifier and Type	Field and Description
char[]	ch The character array.
int	length The length of characters from the offset.
int	offset The offset into the character array.

Constructor Summary

Constructors

Constructor and Description
XMLString() Default constructor.
XMLString(char[] ch, int offset, int length) Constructs an XMLString structure preset with the specified values.
XMLString(XMLString string) Constructs an XMLString structure with copies of the values in the given structure.

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Resets all of the values to their defaults.
boolean	equals(char[] ch, int offset, int length) Returns true if the contents of this XMLString structure and the specified array are equal.
boolean	equals(String s) Returns true if the contents of this XMLString structure and the specified string are equal.
void	setValues(char[] ch, int offset, int length) Initializes the contents of the XMLString structure with the specified values.
void	setValues(XMLString s) Initializes the contents of the XMLString structure with copies of the given string structure.
String	toString() Returns a string representation of this object.

Methods inherited from class java.lang.Object

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

Field Detail

ch

public char[] ch

The character array.

offset

public int offset

The offset into the character array.

length

public int length

The length of characters from the offset.

Constructor Detail

XMLString

public XMLString()

Default constructor.

XMLString

public XMLString(char[] ch,
         int offset,
         int length)

Constructs an XMLString structure preset with the specified values.

Parameters:

ch - The character array.

offset - The offset into the character array.

length - The length of characters from the offset.

XMLString

public XMLString(XMLString string)

Constructs an XMLString structure with copies of the values in the given structure.

Note: This does not copy the character array; only the reference to the array is copied.

Parameters:

string - The XMLString to copy.

Method Detail

setValues

public void setValues(char[] ch,
             int offset,
             int length)

Initializes the contents of the XMLString structure with the specified values.

Parameters:

ch - The character array.

offset - The offset into the character array.

length - The length of characters from the offset.

setValues

public void setValues(XMLString s)

Initializes the contents of the XMLString structure with copies of the given string structure.

Note: This does not copy the character array; only the reference to the array is copied.

Parameters:

s -

clear

public void clear()

Resets all of the values to their defaults.

equals

public boolean equals(char[] ch,
             int offset,
             int length)

Returns true if the contents of this XMLString structure and the specified array are equal.

Parameters:

ch - The character array.

offset - The offset into the character array.

length - The length of characters from the offset.

equals

public boolean equals(String s)

Returns true if the contents of this XMLString structure and the specified string are equal.

Parameters:

s - The string to compare.

toString

public String toString()

Returns a string representation of this object.

Overrides:

toString in class Object