107 lines
3.1 KiB
Java
107 lines
3.1 KiB
Java
/**
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*
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* Copyright 2016 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.iot.element;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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public final class NodeInfo {
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public static final NodeInfo EMPTY = new NodeInfo();
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private final String nodeId;
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private final String sourceId;
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private final String cacheType;
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/**
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* The internal constructor for the {@link EMPTY} node info marker class.
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*/
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private NodeInfo() {
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this.nodeId = null;
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this.sourceId = null;
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this.cacheType = null;
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}
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public NodeInfo(String nodeId, String sourceId, String cacheType) {
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this.nodeId = StringUtils.requireNotNullOrEmpty(nodeId, "Node ID must not be null or empty");
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this.sourceId = sourceId;
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this.cacheType = cacheType;
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}
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public String getNodeId() {
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return nodeId;
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}
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public String getSourceId() {
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return sourceId;
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}
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public String getCacheType() {
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return cacheType;
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}
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public void appendTo(XmlStringBuilder xml) {
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if (nodeId == null) {
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return;
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}
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xml.attribute("nodeId", nodeId).optAttribute("sourceId", sourceId).optAttribute("cacheType", cacheType);
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}
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@Override
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@SuppressWarnings("ReferenceEquality")
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public int hashCode() {
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if (this == EMPTY) {
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return 0;
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}
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final int prime = 31;
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int result = 1;
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result = prime * result + nodeId.hashCode();
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result = prime * result + ((sourceId == null) ? 0 : sourceId.hashCode());
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result = prime * result + ((cacheType == null) ? 0 : cacheType.hashCode());
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return result;
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}
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@Override
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public boolean equals(Object other) {
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if (this == other) {
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return true;
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}
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if (other == null) {
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return false;
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}
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if (!(other instanceof NodeInfo)) {
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return false;
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}
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NodeInfo otherNodeInfo = (NodeInfo) other;
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if (!nodeId.equals(otherNodeInfo.nodeId)) {
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return false;
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}
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if (StringUtils.nullSafeCharSequenceEquals(sourceId, otherNodeInfo.sourceId)
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&& StringUtils.nullSafeCharSequenceEquals(cacheType, otherNodeInfo.cacheType)) {
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return true;
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}
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return false;
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}
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// public static void eventuallyAppend(NodeInfo nodeInfo, XmlStringBuilder xml) {
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// if (nodeInfo == null)
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// return;
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//
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// nodeInfo.appendTo(xml);
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// }
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}
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