Package com.alibaba.druid.filter.encoding

Class CharsetConvert

java.lang.Object

com.alibaba.druid.filter.encoding.CharsetConvert

public class CharsetConvert
extends Object

字符编码转换器

Author:

xianmao.hexm 2007-3-5 09:51:33

Constructor Summary

Constructors

Constructor	Description
CharsetConvert(String clientEncoding, String serverEncoding)

Method Summary

Modifier and Type	Method	Description
String	decode(String s)	Decodes the specified string using the specified server and client encodings, if enabled.
String	encode(String s)	Encodes the specified string using the specified client and server encodings, if enabled.
boolean	isEmpty(String s)	Determines whether the specified string is null or empty.

Methods inherited from class java.lang.Object

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

Constructor Detail

CharsetConvert

public CharsetConvert(String clientEncoding,
                      String serverEncoding)

Method Detail

encode

public String encode(String s)
              throws UnsupportedEncodingException

Encodes the specified string using the specified client and server encodings, if enabled. If encoding is not enabled or the input string is empty, the original string is returned unchanged.

Parameters:

s - the string to be encoded

Returns:

the encoded string, or the original string if encoding is not enabled or the input string is empty

Throws:

UnsupportedEncodingException - if the specified encoding is not supported

decode

public String decode(String s)
              throws UnsupportedEncodingException

Decodes the specified string using the specified server and client encodings, if enabled. If decoding is not enabled or the input string is empty, the original string is returned unchanged.

Parameters:

s - the string to be decoded

Returns:

the decoded string, or the original string if decoding is not enabled or the input string is empty

Throws:

UnsupportedEncodingException - if the specified encoding is not supported

isEmpty

public boolean isEmpty(String s)

Determines whether the specified string is null or empty.

Parameters:

s - the string to be checked

Returns:

true if the specified string is null or empty, false otherwise