com.google.api.ads.adwords.awreporting.model.util.UrlHashUtil.java Source code

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Here is the source code for com.google.api.ads.adwords.awreporting.model.util.UrlHashUtil.java

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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.api.ads.adwords.awreporting.model.util;

import org.apache.commons.codec.binary.Hex;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * Util class for creating a Sha1 for URLs
 */
public class UrlHashUtil {

    /**
     * Creates a SHA-1 Hash of the url
     * 
     * @param url the url that needs to be hashed
     * @return a Stri g with a SHA-1 hash of the URL
     */
    public static String createUrlHash(String url) {
        String hash = null;
        MessageDigest messageDigest;
        try {
            messageDigest = MessageDigest.getInstance("SHA-1");
            messageDigest.reset();
            messageDigest.update(url.getBytes("UTF-8"));
            final byte[] resultByte = messageDigest.digest();
            hash = new String(Hex.encodeHex(resultByte));
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return hash;
    }
}