package cc.mrbird.febs.common.utils;
|
|
import java.security.MessageDigest;
|
import java.util.Iterator;
|
import java.util.Map;
|
import java.util.Set;
|
|
/**
|
* 处理请求数据
|
* @author submail
|
*
|
*/
|
public class RequestEncoder {
|
|
private static final char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5',
|
'6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
|
public static final String MD5 = "MD5";
|
public static final String SHA1 = "SHA1";
|
/**
|
* 编码的字符串
|
*
|
* @param algorithm
|
* @param str
|
* @return String
|
*/
|
public static String encode(String algorithm, String str) {
|
if (str == null) {
|
return null;
|
}
|
try {
|
MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
|
messageDigest.update(str.getBytes("UTF-8"));
|
return getFormattedText(messageDigest.digest());
|
} catch (Exception e) {
|
throw new RuntimeException(e);
|
}
|
|
}
|
|
/**
|
*获取原始字节并将其格式化。
|
* @param bytes
|
* the raw bytes from the digest.
|
* @return the formatted bytes.
|
*/
|
private static String getFormattedText(byte[] bytes) {
|
int len = bytes.length;
|
StringBuilder buf = new StringBuilder(len * 2);
|
for (int j = 0; j < len; j++) { buf.append(HEX_DIGITS[(bytes[j] >> 4) & 0x0f]);
|
buf.append(HEX_DIGITS[bytes[j] & 0x0f]);
|
}
|
return buf.toString();
|
}
|
|
public static String formatRequest(Map<String, Object> data){
|
Set<String> keySet = data.keySet();
|
Iterator<String> it = keySet.iterator();
|
StringBuffer sb = new StringBuffer();
|
while(it.hasNext()){
|
String key = it.next();
|
Object value = data.get(key);
|
if(value instanceof String){
|
sb.append(key + "=" + value + "&");
|
}
|
}
|
if(sb.length() != 0){
|
return sb.substring(0, sb.length() - 1);
|
}
|
return null;
|
}
|
}
|
