Java code to check domain and page authority using MOZ API. Check domain and page authority with MOZ API using java code.

DaPaChecker.java

import java.net.URL;
import java.net.URLEncoder;
import java.util.Base64;
import java.util.Scanner;

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

public class DaPaChecker {
	public static void main(String args[]) throws Exception{
		String moz_ID = "";
		String moz_key = "";
		String website = "";
		
		String requestUrl = getEncodedURL(moz_ID, moz_key, website);
		
		Scanner scan = new Scanner(new URL(requestUrl).openStream());
		String result = scan.nextLine();
		scan.close();
		
		System.out.println(result);
		
		String domainAuthority = result.split(",")[2].split(":")[1].replaceAll("}", "");
		String pageAuthority = result.split(",")[1].split(":")[1];
		
		System.out.println("Domain Authority = " + domainAuthority);
		System.out.println("Page Authority = " + pageAuthority);
		
	}
	
	public static String getEncodedURL(String accessID, String secretKey, String objectURL) throws Exception{
		long expires = (System.currentTimeMillis() / 1000L) + 300;
		String stringToSign = accessID + "\n" + expires;
		String binarySignature = generateSignature(stringToSign, secretKey);
		String urlSafeSignature = URLEncoder.encode(binarySignature, "UTF-8");
		String cols = "103079215108";
		return "http://lsapi.seomoz.com/linkscape/url-metrics/" + URLEncoder.encode(objectURL, "UTF-8") + "?Cols=" + cols + 
				"&AccessID=" + accessID + "&Expires=" + expires + "&Signature=" + urlSafeSignature;
	}
	
	public static String generateSignature (String stringToSign, String key) throws Exception {
		String encoded = "";
		String type = "HmacSHA1";	
		Mac HMAC = Mac.getInstance(type);
		SecretKeySpec secretKey = new SecretKeySpec((key).getBytes("UTF-8"), type);
		HMAC.init(secretKey);
		byte[] Hash = HMAC.doFinal((stringToSign).getBytes("UTF-8"));
		encoded = Base64.getEncoder().encodeToString(Hash);
		return encoded;
	}
}