66 lines
2.4 KiB
Java
66 lines
2.4 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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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.jet.provider;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smack.util.Objects;
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import org.jivesoftware.smackx.jet.JetManager;
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import org.jivesoftware.smackx.jet.component.JetSecurity;
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import org.jivesoftware.smackx.jet.element.JetSecurityElement;
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import org.jivesoftware.smackx.jingle.provider.JingleContentSecurityProvider;
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import org.xmlpull.v1.XmlPullParser;
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/**
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* Provider for the Jingle security element for XEP-XXXX (Jingle Encrypted Transfers).
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*/
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public class JetSecurityProvider extends JingleContentSecurityProvider<JetSecurityElement> {
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private static final Logger LOGGER = Logger.getLogger(JetSecurityProvider.class.getName());
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@Override
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public JetSecurityElement parse(XmlPullParser parser, int initialDepth) throws Exception {
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String name = parser.getAttributeValue("", JetSecurityElement.ATTR_CONTENT_NAME);
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String cipher = parser.getAttributeValue("", JetSecurityElement.ATTR_CIPHER_TYPE);
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String type = parser.getAttributeValue("", JetSecurityElement.ATTR_ENVELOPE_TYPE);
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ExtensionElement child;
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Objects.requireNonNull(type);
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Objects.requireNonNull(cipher);
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ExtensionElementProvider<?> encryptionElementProvider =
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JetManager.getEnvelopeProvider(type);
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if (encryptionElementProvider != null) {
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child = encryptionElementProvider.parse(parser);
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} else {
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LOGGER.log(Level.WARNING, "Unknown child element in JetSecurityElement: " + type);
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return null;
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}
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return new JetSecurityElement(name, cipher, child);
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}
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@Override
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public String getNamespace() {
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return JetSecurity.NAMESPACE;
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}
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}
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