import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.lang.StringEscapeUtils;
/**
* 各种格式的编码加码工具类.
*
* 集成Commons-Codec,Commons-Lang及JDK提供的编解码方法.
*
*
*/
public class EncodeUtils {
private static final String DEFAULT_URL_ENCODING = "UTF-8";
/**
* Hex编码.
*/
/*public static String hexEncode(byte[] input) {
return Hex.encodeHexString(input);
}*/
/**
* Hex解码.
*/
public static byte[] hexDecode(String input) {
try {
return Hex.decodeHex(input.toCharArray());
} catch (DecoderException e) {
throw new IllegalStateException("Hex Decoder exception", e);
}
}
/**
* Base64编码.
*/
public static String base64Encode(byte[] input) {
return new String(Base64.encodeBase64(input));
}
/**
* Base64编码, URL安全(将Base64中的URL非法字符�?,/=转为其他字符, 见RFC3548).
*/
public static String base64UrlSafeEncode(byte[] input) {
return Base64.encodeBase64URLSafeString(input);
}
/**
* Base64解码.
*/
public static byte[] base64Decode(String input) {
return Base64.decodeBase64(input);
}
/**
* URL 编码, Encode默认为UTF-8.
*/
public static String urlEncode(String input) {
try {
return URLEncoder.encode(input, DEFAULT_URL_ENCODING);
} catch (UnsupportedEncodingException e) {
throw new IllegalArgumentException("Unsupported Encoding Exception", e);
}
}
/**
* URL 解码, Encode默认为UTF-8.
*/
public static String urlDecode(String input) {
try {
return URLDecoder.decode(input, DEFAULT_URL_ENCODING);
} catch (UnsupportedEncodingException e) {
throw new IllegalArgumentException("Unsupported Encoding Exception", e);
}
}
/**
* Html 转码.
*/
public static String htmlEscape(String html) {
return StringEscapeUtils.escapeHtml(html);
}
/**
* Html 解码.
*/
public static String htmlUnescape(String htmlEscaped) {
return StringEscapeUtils.unescapeHtml(htmlEscaped);
}
/**
* Xml 转码.
*/
public static String xmlEscape(String xml) {
return StringEscapeUtils.escapeXml(xml);
}
/**
* Xml 解码.
*/
public static String xmlUnescape(String xmlEscaped) {
return StringEscapeUtils.unescapeXml(xmlEscaped);
}
}
