/** * * Copyright 2016 Fernando Ramirez * * 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 org.jivesoftware.smackx.bob; /** * Bits of Binary hash class. * * @author Fernando Ramirez * @see XEP-0231: Bits of * Binary */ public class BoBHash { private final String hash; private final String hashType; /** * BoB hash constructor. * * @param hash * @param hashType */ public BoBHash(String hash, String hashType) { this.hash = hash; this.hashType = hashType; } /** * Get the hash. * * @return the hash */ public String getHash() { return hash; } /** * Get the hash type. * * @return the hash type */ public String getHashType() { return hashType; } /** * BoB hash to src attribute string. * * @return src attribute string */ public String toSrc() { return "cid:" + toCid(); } /** * BoB hash to cid attribute string. * * @return cid attribute string */ public String toCid() { return this.hashType + "+" + this.hash + "@bob.xmpp.org"; } /** * Get BoB hash from src attribute string. * * @param src * @return the BoB hash */ public static BoBHash fromSrc(String src) { String hashType = src.substring(src.lastIndexOf("cid:") + 4, src.indexOf("+")); String hash = src.substring(src.indexOf("+") + 1, src.indexOf("@bob.xmpp.org")); return new BoBHash(hash, hashType); } /** * Get BoB hash from cid attribute string. * * @param cid * @return the BoB hash */ public static BoBHash fromCid(String cid) { String hashType = cid.substring(0, cid.indexOf("+")); String hash = cid.substring(cid.indexOf("+") + 1, cid.indexOf("@bob.xmpp.org")); return new BoBHash(hash, hashType); } }