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Code Issues Releases Wiki Activity

disco: allow multiple data forms for extended discovery information

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Previously Smack only supported a single data form as extended
discovery information.
This commit is contained in:
Florian Schmaus 2020-04-18 19:04:21 +02:00
parent cdc5396f6c
commit dc443bccd4
4 changed files with 77 additions and 33 deletions
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4
smack-extensions/src/main/java/org/jivesoftware/smackx/caps/EntityCapsManager.java
View file

@ -548,7 +548,7 @@ public final class EntityCapsManager extends Manager {
final List<Identity> identities = new LinkedList<>(ServiceDiscoveryManager.getInstanceFor(connection).getIdentities());
sdm.setNodeInformationProvider(localNodeVer, new AbstractNodeInformationProvider() {
List<String> features = sdm.getFeatures();
List<ExtensionElement> packetExtensions = sdm.getExtendedInfoAsList();
List<DataForm> packetExtensions = sdm.getExtendedInfo();
@Override
public List<String> getNodeFeatures() {
return features;
@ -558,7 +558,7 @@ public final class EntityCapsManager extends Manager {
return identities;
}
@Override
public List<ExtensionElement> getNodePacketExtensions() {
public List<DataForm> getNodePacketExtensions() {
return packetExtensions;
}
});

4
smack-extensions/src/main/java/org/jivesoftware/smackx/disco/AbstractNodeInformationProvider.java
View file

@ -1,6 +1,6 @@
/**
*
* Copyright © 2014 Florian Schmaus
* Copyright © 2014-2020 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -42,7 +42,7 @@ public abstract class AbstractNodeInformationProvider implements NodeInformation
}
@Override
public List<ExtensionElement> getNodePacketExtensions() {
public List<? extends ExtensionElement> getNodePacketExtensions() {
return null;
}

2
smack-extensions/src/main/java/org/jivesoftware/smackx/disco/NodeInformationProvider.java
View file

@ -68,5 +68,5 @@ public interface NodeInformationProvider {
*
* @return a list of the stanza extensions defined in the node.
*/
List<ExtensionElement> getNodePacketExtensions();
List<? extends ExtensionElement> getNodePacketExtensions();
}

100
smack-extensions/src/main/java/org/jivesoftware/smackx/disco/ServiceDiscoveryManager.java
View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2003-2007 Jive Software, 2018-2019 Florian Schmaus.
* Copyright 2003-2007 Jive Software, 2018-2020 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -38,10 +38,10 @@ import org.jivesoftware.smack.XMPPConnectionRegistry;
import org.jivesoftware.smack.XMPPException.XMPPErrorException;
import org.jivesoftware.smack.iqrequest.AbstractIqRequestHandler;
import org.jivesoftware.smack.iqrequest.IQRequestHandler.Mode;
import org.jivesoftware.smack.packet.ExtensionElement;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.Stanza;
import org.jivesoftware.smack.packet.StanzaError;
import org.jivesoftware.smack.util.CollectionUtil;
import org.jivesoftware.smack.util.Objects;
import org.jivesoftware.smack.util.StringUtils;
@ -88,7 +88,7 @@ public final class ServiceDiscoveryManager extends Manager {
private static final Map<XMPPConnection, ServiceDiscoveryManager> instances = new WeakHashMap<>();
private final Set<String> features = new HashSet<>();
private DataForm extendedInfo = null;
private List<DataForm> extendedInfos = new ArrayList<>(2);
private final Map<String, NodeInformationProvider> nodeInformationProviders = new ConcurrentHashMap<>();
// Create a new ServiceDiscoveryManager on every established connection
@ -307,9 +307,8 @@ public final class ServiceDiscoveryManager extends Manager {
for (String feature : getFeatures()) {
response.addFeature(feature);
}
if (extendedInfo != null) {
response.addExtension(extendedInfo);
}
response.addExtensions(extendedInfos);
}
/**
@ -427,25 +426,59 @@ public final class ServiceDiscoveryManager extends Manager {
* configure the extended info before logging to the server so that the
* information is already available if it is required upon login.
*
* @param info TODO javadoc me please
* the data form that contains the extend service discovery
* @param info the data form that contains the extend service discovery
* information.
* @deprecated use {@link #addExtendedInfo(DataForm)} instead.
*/
// TODO: Remove in Smack 4.5
@Deprecated
public synchronized void setExtendedInfo(DataForm info) {
extendedInfo = info;
// Notify others of a state change of SDM. In order to keep the state consistent, this
// method is synchronized
renewEntityCapsVersion();
addExtendedInfo(info);
}
/**
* Returns the data form that is set as extended information for this Service Discovery instance (XEP-0128).
* Registers extended discovery information of this XMPP entity. When this
* client is queried for its information this data form will be returned as
* specified by XEP-0128.
* <p>
*
* @see <a href="http://xmpp.org/extensions/xep-0128.html">XEP-128: Service Discovery Extensions</a>
* @return the data form
* Since no stanza is actually sent to the server it is safe to perform this
* operation before logging to the server. In fact, you may want to
* configure the extended info before logging to the server so that the
* information is already available if it is required upon login.
*
* @param extendedInfo the data form that contains the extend service discovery information.
* @return the old data form which got replaced (if any)
* @since 4.4.0
*/
public DataForm getExtendedInfo() {
return extendedInfo;
public DataForm addExtendedInfo(DataForm extendedInfo) {
String formType = extendedInfo.getFormType();
StringUtils.requireNotNullNorEmpty(formType, "The data form must have a form type set");
DataForm removedDataForm;
synchronized (this) {
removedDataForm = DataForm.remove(extendedInfos, formType);
extendedInfos.add(extendedInfo);
// Notify others of a state change of SDM. In order to keep the state consistent, this
// method is synchronized
renewEntityCapsVersion();
}
return removedDataForm;
}
/**
* Remove the extended discovery information of the given form type.
*
* @param formType the type of the data form with the extended discovery information to remove.
* @since 4.4.0
*/
public synchronized void removeExtendedInfo(String formType) {
DataForm removedForm = DataForm.remove(extendedInfos, formType);
if (removedForm != null) {
renewEntityCapsVersion();
}
}
/**
@ -454,13 +487,21 @@ public final class ServiceDiscoveryManager extends Manager {
*
* @return the data form as List of PacketExtensions
*/
public List<ExtensionElement> getExtendedInfoAsList() {
List<ExtensionElement> res = null;
if (extendedInfo != null) {
res = new ArrayList<>(1);
res.add(extendedInfo);
}
return res;
public synchronized List<DataForm> getExtendedInfo() {
return CollectionUtil.newListWith(extendedInfos);
}
/**
* Returns the data form as List of PacketExtensions, or null if no data form is set.
* This representation is needed by some classes (e.g. EntityCapsManager, NodeInformationProvider)
*
* @return the data form as List of PacketExtensions
* @deprecated use {@link #getExtendedInfo()} instead.
*/
// TODO: Remove in Smack 4.5
@Deprecated
public List<DataForm> getExtendedInfoAsList() {
return getExtendedInfo();
}
/**
@ -471,10 +512,13 @@ public final class ServiceDiscoveryManager extends Manager {
* operation before logging to the server.
*/
public synchronized void removeExtendedInfo() {
extendedInfo = null;
// Notify others of a state change of SDM. In order to keep the state consistent, this
// method is synchronized
renewEntityCapsVersion();
int extendedInfosCount = extendedInfos.size();
extendedInfos.clear();
if (extendedInfosCount > 0) {
// Notify others of a state change of SDM. In order to keep the state consistent, this
// method is synchronized
renewEntityCapsVersion();
}
}
/**