StableAndUniqueIdElement.java
- /**
- *
- * Copyright 2018 Paul Schaub
- *
- * 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.sid.element;
- import org.jivesoftware.smack.packet.ExtensionElement;
- import org.jivesoftware.smack.util.StringUtils;
- public abstract class StableAndUniqueIdElement implements ExtensionElement {
- public static final String ATTR_ID = "id";
- private final String id;
- public StableAndUniqueIdElement() {
- this.id = StringUtils.secureUniqueRandomString();
- }
- public String getId() {
- return id;
- }
- public StableAndUniqueIdElement(String id) {
- if (StringUtils.isNullOrEmpty(id)) {
- throw new IllegalArgumentException("Argument 'id' cannot be null or empty.");
- }
- this.id = id;
- }
- }