48 lines
1.6 KiB
Java
48 lines
1.6 KiB
Java
/**
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*
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* Copyright © 2014-2021 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.smack.util;
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import java.util.Collection;
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import org.jivesoftware.smack.packet.XmlElement;
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public class PacketUtil {
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/**
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* Get a extension element from a collection.
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*
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* @param collection Collection of ExtensionElements.
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* @param element name of the targeted ExtensionElement.
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* @param namespace namespace of the targeted ExtensionElement.
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* @param <PE> Type of the ExtensionElement
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*
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* @return the extension element
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*/
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@SuppressWarnings("unchecked")
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public static <PE extends XmlElement> PE extensionElementFrom(Collection<XmlElement> collection,
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String element, String namespace) {
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for (XmlElement packetExtension : collection) {
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if ((element == null || packetExtension.getElementName().equals(
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element))
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&& packetExtension.getNamespace().equals(namespace)) {
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return (PE) packetExtension;
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}
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}
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return null;
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}
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}
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