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package com.app.common.encrypt;

import java.io.UnsupportedEncodingException;

/**
 * @Description
 * @Author  
 * @Date
 **/
public class StringCoder {

    public StringCoder() {
    }

    public static byte[] toByteArray(String str) {
        try {
            byte[] buf = str.getBytes("UTF-8");
            return buf;
        } catch (UnsupportedEncodingException var2) {
            var2.printStackTrace();
            return null;
        }
    }

    public static String fromByteArray(byte[] array) {
        try {
            String result = new String(array, "UTF-8");
            return result;
        } catch (UnsupportedEncodingException var2) {
            var2.printStackTrace();
            return null;
        }
    }

    public static String toBase64(byte[] array) {
        return new String(Base64Coder.encode(array));
    }

    public static byte[] fromBase64(String str) {
        return Base64Coder.decode(str);
    }

    public static String md5Hash(String str) {
        byte[] array = toByteArray(str);
        byte[] buf = Hash.md5(array);
        return toBase64(buf);
    }

    public static String shaHash(String str) {
        byte[] array = toByteArray(str);
        byte[] buf = Hash.sha(array);
        return toBase64(buf);
    }

    public static String zipToBase64(String str) {
        String result = str;
        byte[] buf = toByteArray(str);
        if (buf != null) {
            byte[] zip = GZip.zip(buf);
            if (zip != null) {
                result = toBase64(zip);
            }
        }

        return result;
    }

    public static String unzipFromBase64(String base64) {
        String result = base64;
        byte[] array = fromBase64(base64);
        if (array != null) {
            byte[] buf = GZip.unzip(array);
            if (buf != null) {
                result = fromByteArray(buf);
            }
        }

        return result;
    }

}