79 lines
2.4 KiB
Java
79 lines
2.4 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.discovery.element;
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import org.jivesoftware.smack.packet.NamedElement;
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import org.jivesoftware.smack.util.Objects;
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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 class Tag implements NamedElement {
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public enum Type {
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str,
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num
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}
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private final String name;
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private final Type type;
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private final String value;
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public Tag(String name, Type type, String value) {
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// TODO According to XEP-0347 § 5.2 names are case insensitive. Uppercase them all?
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this.name = StringUtils.requireNotNullOrEmpty(name, "name must not be null or empty");
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this.type = Objects.requireNonNull(type);
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this.value = StringUtils.requireNotNullOrEmpty(value, "value must not be null or empty");
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if (this.name.length() > 32) {
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throw new IllegalArgumentException("Meta Tag names must not be longer then 32 characters (XEP-0347 § 5.2");
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}
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if (this.type == Type.str && this.value.length() > 128) {
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throw new IllegalArgumentException("Meta Tag string values must not be longer then 128 characters (XEP-0347 § 5.2");
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}
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}
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public String getName() {
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return name;
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}
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public Type getType() {
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return type;
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}
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public String getValue() {
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return value;
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}
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@Override
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public XmlStringBuilder toXML() {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.attribute("name", name);
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xml.attribute("value", value);
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xml.closeEmptyElement();
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return xml;
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}
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@Override
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public String getElementName() {
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return getType().toString();
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}
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@Override
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public String toString() {
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return name + '(' + type + "):" + value;
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}
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}
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