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Add support for XEP-0372: References
Add support for XEP-0372: References Fixes SMACK-799
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@ -94,6 +94,7 @@ Experimental Smack Extensions and currently supported XEPs of smack-experimental
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| [Push Notifications](pushnotifications.md) | [XEP-0357](http://xmpp.org/extensions/xep-0357.html) | Defines a way to manage push notifications from an XMPP Server. |
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| Stable and Unique Stanza IDs | [XEP-0359](http://xmpp.org/extensions/xep-0359.html) | This specification describes unique and stable IDs for messages. |
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| HTTP File Upload | [XEP-0363](http://xmpp.org/extensions/xep-0363.html) | Protocol to request permissions to upload a file to an HTTP server and get a shareable URL. |
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| References | [XEP-0372](http://xmpp.org/extensions/xep-0363.html) | Add references like mentions or external data to stanzas. |
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| [Spoiler Messages](spoiler.md) | [XEP-0382](http://xmpp.org/extensions/xep-0382.html) | Indicate that the body of a message should be treated as a spoiler |
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| [Multi-User Chat Light](muclight.md) | [XEP-xxxx](http://mongooseim.readthedocs.io/en/latest/open-extensions/xeps/xep-muc-light.html) | Multi-User Chats for mobile XMPP applications and specific enviroment. |
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| [OMEMO Multi End Message and Object Encryption](omemo.md) | [XEP-XXXX](https://conversations.im/omemo/xep-omemo.html) | Encrypt messages using OMEMO encryption (currently only with smack-omemo-signal -> GPLv3). |
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19
documentation/extensions/references.md
Normal file
19
documentation/extensions/references.md
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@ -0,0 +1,19 @@
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References
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==========
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[Back](index.md)
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References are a way to refer to other entities like users, other messages or external data from within a message.
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Typical use-cases are mentioning other users by name, but referencing to their BareJid, or linking to a sent file.
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## Usage
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Mention a user and link to their bare jid.
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```
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Message message = new Message("Alice is a realy nice person.");
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BareJid alice = JidCreate.bareFrom("alice@capulet.lit");
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ReferenceManager.addMention(message, 0, 5, alice);
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```
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TODO: Add more use cases (for example for MIX, SIMS...)
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@ -0,0 +1,62 @@
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/**
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*
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* Copyright 2018 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.reference;
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import java.util.Map;
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import java.util.WeakHashMap;
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import org.jivesoftware.smack.ConnectionCreationListener;
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import org.jivesoftware.smack.Manager;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPConnectionRegistry;
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import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
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public final class ReferenceManager extends Manager {
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public static final String NAMESPACE = "urn:xmpp:reference:0";
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private static final Map<XMPPConnection, ReferenceManager> INSTANCES = new WeakHashMap<>();
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static {
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XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() {
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@Override
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public void connectionCreated(XMPPConnection connection) {
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getInstanceFor(connection);
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}
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});
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}
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private ReferenceManager(XMPPConnection connection) {
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super(connection);
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ServiceDiscoveryManager.getInstanceFor(connection).addFeature(NAMESPACE);
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}
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/**
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* Return a new instance of the ReferenceManager for the given connection.
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*
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* @param connection xmpp connection
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* @return reference manager instance
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*/
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public static ReferenceManager getInstanceFor(XMPPConnection connection) {
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ReferenceManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new ReferenceManager(connection);
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INSTANCES.put(connection, manager);
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}
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return manager;
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}
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}
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@ -0,0 +1,193 @@
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/**
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*
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* Copyright 2018 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.reference.element;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.ArrayList;
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import java.util.List;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smack.util.Objects;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jivesoftware.smackx.reference.ReferenceManager;
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import org.jxmpp.jid.BareJid;
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public class ReferenceElement implements ExtensionElement {
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public static final String ELEMENT = "reference";
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public static final String ATTR_BEGIN = "begin";
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public static final String ATTR_END = "end";
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public static final String ATTR_TYPE = "type";
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public static final String ATTR_ANCHOR = "anchor";
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public static final String ATTR_URI = "uri";
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public enum Type {
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mention,
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data
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}
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private final Integer begin;
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private final Integer end;
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private final Type type;
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private final String anchor;
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private final URI uri;
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// Non-XEP-compliant, but needed for SIMS
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private final ExtensionElement child;
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/**
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* XEP-incompliant (v0.2) constructor. This is needed for SIMS.
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*
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* @param begin
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* @param end
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* @param type
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* @param anchor
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* @param uri
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* @param child
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*/
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public ReferenceElement(Integer begin, Integer end, Type type, String anchor, URI uri, ExtensionElement child) {
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if (begin != null && begin < 0) {
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throw new IllegalArgumentException("Attribute 'begin' MUST NOT be smaller than 0.");
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}
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if (end != null && end < 0) {
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throw new IllegalArgumentException("Attribute 'end' MUST NOT be smaller than 0.");
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}
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if (begin != null && end != null && begin >= end) {
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throw new IllegalArgumentException("Attribute 'begin' MUST be smaller than attribute 'end'.");
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}
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Objects.requireNonNull(type);
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// TODO: The uri attribute is not mandatory according to SIMS, but it is according to references.
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/*if (uri == null) {
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throw new NullPointerException("Attribute 'uri' MUST NOT be null.");
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}*/
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this.begin = begin;
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this.end = end;
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this.type = type;
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this.anchor = anchor;
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this.uri = uri;
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this.child = child;
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}
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/**
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* XEP-Compliant constructor.
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*
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* @param begin
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* @param end
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* @param type
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* @param anchor
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* @param uri
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*/
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public ReferenceElement(Integer begin, Integer end, Type type, String anchor, URI uri) {
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this(begin, end, type, anchor, uri, null);
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}
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public Integer getBegin() {
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return begin;
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}
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public Integer getEnd() {
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return end;
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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 getAnchor() {
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return anchor;
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}
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public URI getUri() {
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return uri;
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}
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/**
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* Add a reference to another users bare jid to a stanza.
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*
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* @param stanza stanza.
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* @param begin start index of the mention in the messages body.
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* @param end end index of the mention in the messages body.
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* @param jid referenced jid.
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*/
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public static void addMention(Stanza stanza, int begin, int end, BareJid jid) {
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URI uri;
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try {
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uri = new URI("xmpp:" + jid.toString());
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} catch (URISyntaxException e) {
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throw new AssertionError("Cannot create URI from bareJid.");
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}
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ReferenceElement reference = new ReferenceElement(begin, end, ReferenceElement.Type.mention, null, uri);
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stanza.addExtension(reference);
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}
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/**
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* Return a list of all reference extensions contained in a stanza.
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* If there are no reference elements, return an empty list.
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*
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* @param stanza stanza
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* @return list of all references contained in the stanza
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*/
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public static List<ReferenceElement> getReferencesFromStanza(Stanza stanza) {
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List<ReferenceElement> references = new ArrayList<>();
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List<ExtensionElement> extensions = stanza.getExtensions(ReferenceElement.ELEMENT, ReferenceManager.NAMESPACE);
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for (ExtensionElement e : extensions) {
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references.add((ReferenceElement) e);
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}
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return references;
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}
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/**
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* Return true, if the stanza contains at least one reference extension.
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*
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* @param stanza stanza
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* @return true if stanza contains references
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*/
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public static boolean containsReferences(Stanza stanza) {
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return getReferencesFromStanza(stanza).size() > 0;
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}
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@Override
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public String getNamespace() {
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return ReferenceManager.NAMESPACE;
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}
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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 XmlStringBuilder toXML() {
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XmlStringBuilder xml = new XmlStringBuilder(this)
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.optIntAttribute(ATTR_BEGIN, begin != null ? begin : -1)
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.optIntAttribute(ATTR_END, end != null ? end : -1)
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.attribute(ATTR_TYPE, type.toString())
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.optAttribute(ATTR_ANCHOR, anchor)
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.optAttribute(ATTR_URI, uri != null ? uri.toString() : null);
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if (child == null) {
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return xml.closeEmptyElement();
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} else {
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return xml.rightAngleBracket()
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.append(child.toXML())
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.closeElement(this);
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}
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}
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}
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@ -0,0 +1,20 @@
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/**
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*
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* Copyright 2018 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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/**
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* Smack's API for XEP-0372: References.
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*/
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package org.jivesoftware.smackx.reference.element;
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@ -0,0 +1,20 @@
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/**
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*
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* Copyright 2018 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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/**
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* Smack's API for XEP-0372: References.
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*/
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package org.jivesoftware.smackx.reference;
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@ -0,0 +1,60 @@
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/**
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*
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* Copyright 2018 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.reference.provider;
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import java.net.URI;
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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.provider.ProviderManager;
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import org.jivesoftware.smack.util.ParserUtils;
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import org.jivesoftware.smackx.reference.element.ReferenceElement;
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import org.xmlpull.v1.XmlPullParser;
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public class ReferenceProvider extends ExtensionElementProvider<ReferenceElement> {
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public static final ReferenceProvider TEST_PROVIDER = new ReferenceProvider();
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@Override
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public ReferenceElement parse(XmlPullParser parser, int initialDepth) throws Exception {
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Integer begin = ParserUtils.getIntegerAttribute(parser, ReferenceElement.ATTR_BEGIN);
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Integer end = ParserUtils.getIntegerAttribute(parser, ReferenceElement.ATTR_END);
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String typeString = parser.getAttributeValue(null, ReferenceElement.ATTR_TYPE);
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ReferenceElement.Type type = ReferenceElement.Type.valueOf(typeString);
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String anchor = parser.getAttributeValue(null, ReferenceElement.ATTR_ANCHOR);
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String uriString = parser.getAttributeValue(null, ReferenceElement.ATTR_URI);
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URI uri = uriString != null ? new URI(uriString) : null;
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ExtensionElement child = null;
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outerloop: while (true) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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ExtensionElementProvider<?> provider = ProviderManager.getExtensionProvider(elementName, namespace);
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if (provider != null) {
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child = provider.parse(parser);
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}
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}
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if (eventType == XmlPullParser.END_TAG) {
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break outerloop;
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}
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}
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return new ReferenceElement(begin, end, type, anchor, uri, child);
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}
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}
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@ -0,0 +1,20 @@
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/**
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*
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* Copyright 2018 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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/**
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* Smack's API for XEP-0372: References.
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*/
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package org.jivesoftware.smackx.reference.provider;
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@ -289,6 +289,13 @@
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<className>org.jivesoftware.smackx.httpfileupload.provider.FileTooLargeErrorProvider</className>
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</extensionProvider>
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<!-- XEP-0372: References -->
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<extensionProvider>
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<elementName>reference</elementName>
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<namespace>urn:xmpp:reference:0</namespace>
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<className>org.jivesoftware.smackx.reference.provider.ReferenceProvider</className>
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</extensionProvider>
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<!-- XEP-0380: Explicit Message Encryption -->
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<extensionProvider>
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<elementName>encryption</elementName>
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|
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@ -0,0 +1,106 @@
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/**
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*
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* Copyright 2018 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.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
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*/
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package org.jivesoftware.smackx.reference;
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import static junit.framework.TestCase.assertEquals;
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import static junit.framework.TestCase.assertNull;
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import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
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import java.net.URI;
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import java.net.URISyntaxException;
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import org.jivesoftware.smack.test.util.SmackTestSuite;
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import org.jivesoftware.smack.test.util.TestUtils;
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import org.jivesoftware.smackx.reference.element.ReferenceElement;
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import org.jivesoftware.smackx.reference.provider.ReferenceProvider;
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import org.junit.Test;
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public class ReferenceTest extends SmackTestSuite {
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@Test
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public void providerMentionTest() throws Exception {
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String xml = "<reference xmlns='urn:xmpp:reference:0' " +
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"begin='72' " +
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"end='78' " +
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"type='mention' " +
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"uri='xmpp:juliet@capulet.lit' />";
|
||||
URI uri = new URI("xmpp:juliet@capulet.lit");
|
||||
ReferenceElement element = new ReferenceElement(72, 78, ReferenceElement.Type.mention, null, uri);
|
||||
assertXMLEqual(xml, element.toXML().toString());
|
||||
assertEquals(72, (int) element.getBegin());
|
||||
assertEquals(78, (int) element.getEnd());
|
||||
assertEquals(ReferenceElement.Type.mention, element.getType());
|
||||
assertNull(element.getAnchor());
|
||||
assertEquals(uri, element.getUri());
|
||||
|
||||
ReferenceElement parsed = ReferenceProvider.TEST_PROVIDER.parse(TestUtils.getParser(xml));
|
||||
assertXMLEqual(xml, parsed.toXML().toString());
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: The uri might not be following the XMPP schema.
|
||||
* That shouldn't matter though.
|
||||
* @throws Exception
|
||||
*/
|
||||
@Test
|
||||
public void providerDataTest() throws Exception {
|
||||
String xml = "<reference xmlns='urn:xmpp:reference:0' " +
|
||||
"type='data' " +
|
||||
"uri='xmpp:fdp.shakespeare.lit?;node=fdp/submitted/stan.isode.net/accidentreport;item=ndina872be' />";
|
||||
URI uri = new URI("xmpp:fdp.shakespeare.lit?;node=fdp/submitted/stan.isode.net/accidentreport;item=ndina872be");
|
||||
ReferenceElement element = new ReferenceElement(null, null, ReferenceElement.Type.data, null, uri);
|
||||
assertXMLEqual(xml, element.toXML().toString());
|
||||
|
||||
assertNull(element.getBegin());
|
||||
assertNull(element.getEnd());
|
||||
assertNull(element.getAnchor());
|
||||
assertEquals(ReferenceElement.Type.data, element.getType());
|
||||
assertEquals(uri, element.getUri());
|
||||
|
||||
ReferenceElement parsed = ReferenceProvider.TEST_PROVIDER.parse(TestUtils.getParser(xml));
|
||||
assertXMLEqual(xml, parsed.toXML().toString());
|
||||
}
|
||||
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void beginGreaterEndIllegalTest() throws URISyntaxException {
|
||||
new ReferenceElement(100, 10, ReferenceElement.Type.mention, null, new URI("xmpp:test@test.test"));
|
||||
}
|
||||
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void beginSmallerZeroTest() throws URISyntaxException {
|
||||
new ReferenceElement(-1, 12, ReferenceElement.Type.data, null, new URI("xmpp:test@test.test"));
|
||||
}
|
||||
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void endSmallerZeroTest() throws URISyntaxException {
|
||||
new ReferenceElement(12, -2, ReferenceElement.Type.mention, null, new URI("xmpp:test@test.test"));
|
||||
}
|
||||
|
||||
@Test(expected = NullPointerException.class)
|
||||
public void typeArgumentNullTest() throws URISyntaxException {
|
||||
new ReferenceElement(1, 2, null, null, new URI("xmpp:test@test.test"));
|
||||
}
|
||||
|
||||
/*
|
||||
* TODO: Later maybe remove this test in case the uri attribute becomes optional.
|
||||
@Test(expected = NullPointerException.class)
|
||||
public void uriArgumentNullTest() {
|
||||
new ReferenceElement(1, 2, ReferenceElement.Type.mention, null, null);
|
||||
}
|
||||
*/
|
||||
}
|
Loading…
Reference in a new issue