77 lines
2.3 KiB
Java
77 lines
2.3 KiB
Java
/**
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*
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* Copyright 2016-2017 Fernando Ramirez
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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.blocking.element;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.Message;
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import org.jivesoftware.smack.packet.StanzaError;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jivesoftware.smackx.blocking.BlockingCommandManager;
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/**
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* Blocked error extension class.
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*
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* @author Fernando Ramirez
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* @see <a href="http://xmpp.org/extensions/xep-0191.html">XEP-0191: Blocking
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* Command</a>
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*/
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public class BlockedErrorExtension implements ExtensionElement {
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public static final String ELEMENT = "blocked";
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public static final String NAMESPACE = BlockingCommandManager.NAMESPACE + ":errors";
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@Override
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public String getElementName() {
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return ELEMENT;
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}
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@Override
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public String getNamespace() {
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return NAMESPACE;
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}
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@Override
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public CharSequence toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.closeEmptyElement();
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return xml;
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}
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public static BlockedErrorExtension from(Message message) {
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StanzaError error = message.getError();
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if (error == null) {
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return null;
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}
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return error.getExtension(ELEMENT, NAMESPACE);
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}
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/**
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* Check if a message contains a BlockedErrorExtension, which means that a
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* message was blocked because the JID blocked the sender, and that was
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* reflected back as an error message.
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*
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* @param message
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* @return true if the message contains a BlockedErrorExtension, false if
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* not
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*/
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public static boolean isInside(Message message) {
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return from(message) != null;
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}
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}
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