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https://codeberg.org/Mercury-IM/Smack
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SMACK-289 Added functionality for retrieving items when the user has multiple subscriptions
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11579 b35dd754-fafc-0310-a699-88a17e54d16e
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6 changed files with 189 additions and 26 deletions
85
source/org/jivesoftware/smackx/pubsub/GetItemsRequest.java
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85
source/org/jivesoftware/smackx/pubsub/GetItemsRequest.java
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@ -0,0 +1,85 @@
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/**
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* All rights reserved. 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.pubsub;
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/**
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* Represents a request to subscribe to a node.
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*
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* @author Robin Collier
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*/
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public class GetItemsRequest extends NodeExtension
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{
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protected String subId;
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protected int maxItems;
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public GetItemsRequest(String nodeId)
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{
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super(PubSubElementType.ITEMS, nodeId);
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}
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public GetItemsRequest(String nodeId, String subscriptionId)
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{
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super(PubSubElementType.ITEMS, nodeId);
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subId = subscriptionId;
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}
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public GetItemsRequest(String nodeId, int maxItemsToReturn)
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{
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super(PubSubElementType.ITEMS, nodeId);
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maxItems = maxItemsToReturn;
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}
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public GetItemsRequest(String nodeId, String subscriptionId, int maxItems)
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{
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super(PubSubElementType.ITEMS, nodeId);
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subId = subscriptionId;
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}
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public String getSubscriptionId()
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{
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return subId;
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}
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public int getMaxItems()
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{
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return maxItems;
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}
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@Override
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public String toXML()
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{
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StringBuilder builder = new StringBuilder("<");
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builder.append(getElementName());
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builder.append(" node='");
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builder.append(getNode());
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builder.append("'");
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if (getSubscriptionId() != null)
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{
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builder.append(" subid='");
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builder.append(getSubscriptionId());
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builder.append("'/>");
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}
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if (getMaxItems() > 0)
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{
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builder.append(" max_items='");
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builder.append(getMaxItems());
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builder.append("'/>");
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}
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builder.append("/>");
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return builder.toString();
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}
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}
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@ -32,7 +32,7 @@ import org.jivesoftware.smack.packet.PacketExtension;
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public class ItemsExtension extends NodeExtension implements EmbeddedPacketExtension
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{
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protected ItemsElementType type;
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protected String attValue;
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protected Boolean notify;
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protected List<? extends PacketExtension> items;
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public enum ItemsElementType
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@ -81,24 +81,37 @@ public class ItemsExtension extends NodeExtension implements EmbeddedPacketExten
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* @param items The list of {@link Item} or {@link RetractItem}
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* @param attributeValue The value of the <b>max_items</b>
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*/
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public ItemsExtension(ItemsElementType itemsType, String nodeId, List<? extends PacketExtension> items, String attributeValue)
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public ItemsExtension(ItemsElementType itemsType, String nodeId, List<? extends PacketExtension> items)
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{
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super(itemsType.getNodeElement(), nodeId);
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type = itemsType;
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this.items = items;
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attValue = attributeValue;
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}
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/**
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* Constructs a request to get items from the node as defined in the first scenario
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* in {@link #ItemsExtension(ItemsElementType, String, List, String)}
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* Construct an instance with a list representing items that have been published or deleted.
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*
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* @param nodeId The node the items will be requested from
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* @param maxItems The limit on the number of items to retrieve (null for all)
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* <p>Valid scenarios are:
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* <li>Request items from node - itemsType = {@link ItemsElementType#items}, items = list of {@link Item} and an
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* optional value for the <b>max_items</b> attribute.
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* <li>Request to delete items - itemsType = {@link ItemsElementType#retract}, items = list of {@link Item} containing
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* only id's and an optional value for the <b>notify</b> attribute.
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* <li>Items published event - itemsType = {@link ItemsElementType#items}, items = list of {@link Item} and
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* attributeValue = <code>null</code>
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* <li>Items deleted event - itemsType = {@link ItemsElementType#items}, items = list of {@link RetractItem} and
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* attributeValue = <code>null</code>
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*
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* @param itemsType Type of representation
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* @param nodeId The node to which the items are being sent or deleted
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* @param items The list of {@link Item} or {@link RetractItem}
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* @param attributeValue The value of the <b>max_items</b>
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*/
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public ItemsExtension(String nodeId, Integer maxItems)
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public ItemsExtension(String nodeId, List<? extends PacketExtension> items, boolean notify)
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{
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this(ItemsElementType.items, nodeId, null, maxItems == null ? null : maxItems.toString());
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super(ItemsElementType.retract.getNodeElement(), nodeId);
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type = ItemsElementType.retract;
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this.items = items;
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this.notify = notify;
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}
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/**
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@ -131,15 +144,15 @@ public class ItemsExtension extends NodeExtension implements EmbeddedPacketExten
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*
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* @return The attribute value
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*/
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public String getAttributeValue()
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public boolean getNotify()
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{
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return attValue;
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return notify;
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}
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@Override
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public String toXML()
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{
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if (((items == null) || (items.size() == 0)) && (attValue == null))
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if ((items == null) || (items.size() == 0))
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{
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return super.toXML();
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}
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@ -150,12 +163,12 @@ public class ItemsExtension extends NodeExtension implements EmbeddedPacketExten
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builder.append(" node='");
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builder.append(getNode());
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if (attValue != null)
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if (notify != null)
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{
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builder.append("' ");
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builder.append(type.getElementAttribute());
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builder.append("='");
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builder.append(attValue);
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builder.append(notify.equals(Boolean.TRUE) ? 1 : 0);
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builder.append("'>");
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}
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else
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@ -66,13 +66,34 @@ public class LeafNode extends Node
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public <T extends Item> List<T> getItems()
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throws XMPPException
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{
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PubSub request = createPubsubPacket(Type.GET, new NodeExtension(PubSubElementType.ITEMS, getId()));
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PubSub request = createPubsubPacket(Type.GET, new GetItemsRequest(getId()));
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PubSub result = (PubSub)SyncPacketSend.getReply(con, request);
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ItemsExtension itemsElem = (ItemsExtension)result.getExtension(PubSubElementType.ITEMS);
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return (List<T>)itemsElem.getItems();
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}
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/**
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* Get the current items stored in the node based
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* on the subscription associated with the provided
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* subscription id.
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*
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* @param subscriptionId - The subscription id for the
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* associated subscription.
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* @return List of {@link Item} in the node
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*
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* @throws XMPPException
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*/
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public <T extends Item> List<T> getItems(String subscriptionId)
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throws XMPPException
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{
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PubSub request = createPubsubPacket(Type.GET, new GetItemsRequest(getId(), subscriptionId));
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PubSub result = (PubSub)SyncPacketSend.getReply(con, request);
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ItemsExtension itemsElem = (ItemsExtension)result.getExtension(PubSubElementType.ITEMS);
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return (List<T>)itemsElem.getItems();
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}
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/**
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* Get the items specified from the node. This would typically be
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* used when the server does not return the payload due to size
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@ -95,7 +116,7 @@ public class LeafNode extends Node
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{
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itemList.add(new Item(id));
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}
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PubSub request = createPubsubPacket(Type.GET, new ItemsExtension(ItemsExtension.ItemsElementType.items, getId(), itemList, null));
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PubSub request = createPubsubPacket(Type.GET, new ItemsExtension(ItemsExtension.ItemsElementType.items, getId(), itemList));
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PubSub result = (PubSub)SyncPacketSend.getReply(con, request);
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ItemsExtension itemsElem = (ItemsExtension)result.getExtension(PubSubElementType.ITEMS);
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@ -114,7 +135,29 @@ public class LeafNode extends Node
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public <T extends Item> List<T> getItems(int maxItems)
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throws XMPPException
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{
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PubSub request = createPubsubPacket(Type.GET, new ItemsExtension(getId(), Integer.valueOf(maxItems)));
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PubSub request = createPubsubPacket(Type.GET, new GetItemsRequest(getId(), maxItems));
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PubSub result = (PubSub)SyncPacketSend.getReply(con, request);
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ItemsExtension itemsElem = (ItemsExtension)result.getExtension(PubSubElementType.ITEMS);
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return (List<T>)itemsElem.getItems();
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}
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/**
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* Get items persisted on the node, limited to the specified number
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* based on the subscription associated with the provided subscriptionId.
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*
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* @param maxItems Maximum number of items to return
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* @param subscriptionId The subscription which the retrieval is based
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* on.
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*
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* @return List of {@link Item}
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*
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* @throws XMPPException
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*/
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public <T extends Item> List<T> getItems(int maxItems, String subscriptionId)
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throws XMPPException
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{
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PubSub request = createPubsubPacket(Type.GET, new GetItemsRequest(getId(), subscriptionId, maxItems));
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PubSub result = (PubSub)SyncPacketSend.getReply(con, request);
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ItemsExtension itemsElem = (ItemsExtension)result.getExtension(PubSubElementType.ITEMS);
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{
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items.add(new Item(id));
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}
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PubSub request = createPubsubPacket(Type.SET, new ItemsExtension(ItemsExtension.ItemsElementType.retract, getId(), items, null));
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PubSub request = createPubsubPacket(Type.SET, new ItemsExtension(ItemsExtension.ItemsElementType.retract, getId(), items));
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SyncPacketSend.getReply(con, request);
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}
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}
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@ -32,7 +32,7 @@ public class ItemsProvider extends EmbeddedExtensionProvider
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@Override
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protected PacketExtension createReturnExtension(String currentElement, String currentNamespace, Map<String, String> attributeMap, List<? extends PacketExtension> content)
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{
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return new ItemsExtension(ItemsExtension.ItemsElementType.items, attributeMap.get("node"), content, null);
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return new ItemsExtension(ItemsExtension.ItemsElementType.items, attributeMap.get("node"), content);
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}
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}
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@ -1,8 +1,10 @@
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package org.jivesoftware.smackx.pubsub;
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import java.util.Collection;
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import java.util.List;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.packet.XMPPError;
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import org.jivesoftware.smackx.pubsub.test.PubSubTestCase;
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public class MultiUserSubscriptionUseCases extends PubSubTestCase
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Collection<? extends Item> items = user2Node.getItems();
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assertTrue(items.size() == 5);
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}
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public void testGetItemsWithMultiSubscription() throws XMPPException
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{
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LeafNode node = getRandomPubnode(getManager(0), true, false);
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node.send((Item)null);
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node.send((Item)null);
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node.send((Item)null);
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node.send((Item)null);
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node.send((Item)null);
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LeafNode user2Node = (LeafNode) getManager(1).getNode(node.getId());
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Subscription sub1 = user2Node.subscribe(getBareJID(1));
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Subscription sub2 = user2Node.subscribe(getBareJID(1));
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try
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{
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user2Node.getItems();
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}
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catch (XMPPException exc)
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{
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assertEquals("bad-request", exc.getXMPPError().getCondition());
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assertEquals(XMPPError.Type.MODIFY, exc.getXMPPError().getType());
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}
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List<Item> items = user2Node.getItems(sub1.getId());
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assertTrue(items.size() == 5);
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}
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}
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@ -130,13 +130,6 @@ public class SubscriberUseCases extends SingleUserTestCase
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// }
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//
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public void testGetItemsWithSingleSubscription() throws XMPPException
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{
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LeafNode node = getPubnode(true, false);
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node.subscribe(getBareJID(0));
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runNodeTests(node);
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}
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public void testGetItems() throws XMPPException
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{
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LeafNode node = getPubnode(true, false);
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