Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.net.Uri;

import android.util.Base64;

import java.io.UnsupportedEncodingException;

import java.net.URLEncoder;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

public class Main {
    public static String sign(String paramString1, String paramString2, String paramString3) {
        if (paramString3 == null)
            paramString3 = "";
        try {
            SecretKeySpec localSecretKeySpec = new SecretKeySpec(
                    (urlencode(paramString2, "UTF8") + '&' + urlencode(paramString3, "UTF8")).getBytes("UTF8"),
                    "HmacSHA1");
            Mac localMac = Mac.getInstance("HmacSHA1");
            localMac.init(localSecretKeySpec);
            String str = urlencode(
                    new String(Base64.encode(localMac.doFinal(paramString1.getBytes("UTF8")), 0), "UTF8"), "UTF8");
            return str;
        } catch (InvalidKeyException localInvalidKeyException) {
            return "";
        } catch (NoSuchAlgorithmException localNoSuchAlgorithmException) {
            return "";
        } catch (UnsupportedEncodingException localUnsupportedEncodingException) {
        }
        return "";
    }

    public static String urlencode(String paramString1, String paramString2) {
        if (paramString1 == null)
            return "";
        try {
            String str = URLEncoder.encode(paramString1, paramString2);
            return str;
        } catch (UnsupportedEncodingException localUnsupportedEncodingException) {
            throw new RuntimeException(localUnsupportedEncodingException.getMessage(),
                    localUnsupportedEncodingException);
        }
    }

    public static String encode(String paramString) {
        if (paramString == null)
            return "";
        return Uri.encode(paramString);
    }
}