Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/sid/element/StableAndUniqueIdElement.java

45 lines
1.3 KiB
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 java.util.UUID;
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 = UUID.randomUUID().toString();
}
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;
}
}