各种格式的编码解码工具类.
集成Commons-Codec,Commons-Lang及JDK提供的编解码方法
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
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;
public class EncodeUtils {
private static final String DEFAULT_URL_ENCODING = "UTF-8";
public static byte[] hexDecode(String input) {
try {
return Hex.decodeHex(input.toCharArray());
} catch (DecoderException e) {
throw new IllegalStateException("Hex Decoder exception", e);
}
}
public static String base64Encode(byte[] input) {
return new String(Base64.encodeBase64(input));
}
public static String base64UrlSafeEncode(byte[] input) {
return Base64.encodeBase64URLSafeString(input);
}
public static byte[] base64Decode(String input) {
return Base64.decodeBase64(input);
}
public static String urlEncode(String input) {
try {
return URLEncoder.encode(input, DEFAULT_URL_ENCODING);
} catch (UnsupportedEncodingException e) {
throw new IllegalArgumentException("Unsupported Encoding Exception", e);
}
}
public static String urlDecode(String input) {
try {
return URLDecoder.decode(input, DEFAULT_URL_ENCODING);
} catch (UnsupportedEncodingException e) {
throw new IllegalArgumentException("Unsupported Encoding Exception", e);
}
}
public static String htmlEscape(String html) {
return StringEscapeUtils.escapeHtml(html);
}
public static String htmlUnescape(String htmlEscaped) {
return StringEscapeUtils.unescapeHtml(htmlEscaped);
}
public static String xmlEscape(String xml) {
return StringEscapeUtils.escapeXml(xml);
}
public static String xmlUnescape(String xmlEscaped) {
return StringEscapeUtils.unescapeXml(xmlEscaped);
}
}
