ContentId.java
- /**
- *
- * Copyright 2016-2017 Fernando Ramirez, Florian Schmaus
- *
- * 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;
- import org.jivesoftware.smack.util.StringUtils;
- /**
- * Content-ID class.
- *
- * @author Fernando Ramirez
- * @author Florian Schmaus
- * @see <a href="https://tools.ietf.org/html/rfc2392">RFC 2392: Content-ID and Message-ID Uniform Resource Locators</a>
- */
- public class ContentId {
- private final String hash;
- private final String hashType;
- private final String cid;
- private ContentId(String hash, String hashType, String cid) {
- this.hash = StringUtils.requireNotNullNorEmpty(hash, "hash must not be null nor empty");
- this.hashType = StringUtils.requireNotNullNorEmpty(hashType, "hashType must not be null nor empty");
- this.cid = cid;
- }
- /**
- * BoB hash constructor.
- *
- * @param hash TODO javadoc me please
- * @param hashType TODO javadoc me please
- */
- public ContentId(String hash, String hashType) {
- this(hash, hashType, hashType + '+' + hash + "@bob.xmpp.org");
- }
- /**
- * 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:" + getCid();
- }
- /**
- * BoB hash to cid attribute string.
- *
- * @return cid attribute string
- */
- public String getCid() {
- return cid;
- }
- @Override
- public boolean equals(Object other) {
- if (other instanceof ContentId) {
- ContentId otherBob = (ContentId) other;
- return cid.equals(otherBob.cid);
- }
- return false;
- }
- @Override
- public int hashCode() {
- return cid.hashCode();
- }
- /**
- * Get BoB hash from src attribute string.
- *
- * @param src TODO javadoc me please
- * @return the BoB hash
- */
- public static ContentId 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 ContentId(hash, hashType);
- }
- /**
- * Get BoB hash from cid attribute string.
- *
- * @param cid TODO javadoc me please
- * @return the BoB hash
- */
- public static ContentId fromCid(String cid) {
- String hashType = cid.substring(0, cid.indexOf("+"));
- String hash = cid.substring(cid.indexOf("+") + 1, cid.indexOf("@bob.xmpp.org"));
- return new ContentId(hash, hashType, cid);
- }
- }