net.sf.beanform.util
Class StringCache

java.lang.Object
  net.sf.beanform.util.StringCache

public class StringCache
extends java.lang.Object

A thread-safe cache of strings that allows aliasing of long strings to smaller strings that can then be used to reverse the process.

Author:

Daniel Gredler

Field Summary

protected java.util.Map<java.lang.String,java.lang.String>	cacheByReal
protected java.util.Map<java.lang.String,java.lang.String>	cacheByShort
protected static char[]	CHARS
protected int	maxSize

Constructor Summary

StringCache(int maxSize)

Method Summary

protected static java.lang.String	getChars(char[] chars, int index)
java.lang.String	getRealVersion(java.lang.String shortVersion)
java.lang.String	getShortVersion(java.lang.String real)

Methods inherited from class java.lang.Object

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

Field Detail

CHARS

protected static final char[] CHARS

maxSize

protected int maxSize

cacheByShort

protected java.util.Map<java.lang.String,java.lang.String> cacheByShort

cacheByReal

protected java.util.Map<java.lang.String,java.lang.String> cacheByReal

Constructor Detail

StringCache

public StringCache(int maxSize)

Method Detail

getShortVersion

public java.lang.String getShortVersion(java.lang.String real)

getRealVersion

public java.lang.String getRealVersion(java.lang.String shortVersion)

getChars

protected static java.lang.String getChars(char[] chars,
                                           int index)