1 files changed, 92 insertions, 0 deletions
diff --git a/src/org/jivesoftware/smackx/pubsub/provider/ItemProvider.java b/src/org/jivesoftware/smackx/pubsub/provider/ItemProvider.java
new file mode 100644
index 0000000..a6b8694
--- /dev/null
+++ b/src/org/jivesoftware/smackx/pubsub/provider/ItemProvider.java
@@ -0,0 +1,92 @@
+/**
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.jivesoftware.smackx.pubsub.provider;
+
+import org.jivesoftware.smack.packet.PacketExtension;
+import org.jivesoftware.smack.provider.PacketExtensionProvider;
+import org.jivesoftware.smack.provider.ProviderManager;
+import org.jivesoftware.smack.util.PacketParserUtils;
+import org.jivesoftware.smackx.pubsub.Item;
+import org.jivesoftware.smackx.pubsub.PayloadItem;
+import org.jivesoftware.smackx.pubsub.SimplePayload;
+import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ * Parses an <b>item</b> element as is defined in both the {@link PubSubNamespace#BASIC} and {@link PubSubNamespace#EVENT}
+ * namespaces.  To parse the item contents, it will use whatever {@link PacketExtensionProvider} is registered in
+ * <b>smack.providers</b> for its element name and namespace.  If no provider is registered, it will return a {@link SimplePayload}.
+ *
+ * @author Robin Collier
+ */
+public class ItemProvider implements PacketExtensionProvider {
+    public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
+        String id = parser.getAttributeValue(null, "id");
+        String node = parser.getAttributeValue(null, "node");
+        String elem = parser.getName();
+
+        int tag = parser.next();
+
+        if (tag == XmlPullParser.END_TAG) {
+            return new Item(id, node);
+        } else {
+            String payloadElemName = parser.getName();
+            String payloadNS = parser.getNamespace();
+
+            if (ProviderManager.getInstance().getExtensionProvider(payloadElemName, payloadNS) == null) {
+                StringBuilder payloadText = new StringBuilder();
+                boolean done = false;
+                boolean isEmptyElement = false;
+
+                // Parse custom payload
+                while (!done) {
+                    if (tag == XmlPullParser.END_TAG && parser.getName().equals(elem)) {
+                        done = true;
+                    } else if (parser.getEventType() == XmlPullParser.START_TAG) {
+                        payloadText.append("<").append(parser.getName());
+                        if (parser.getName().equals(payloadElemName) && (!"".equals(payloadNS))) {
+                            payloadText.append(" xmlns=\"").append(payloadNS).append("\"");
+                        }
+                        int n = parser.getAttributeCount();
+                        for (int i = 0; i < n; i++) {
+                            payloadText.append(" ").append(parser.getAttributeName(i)).append("=\"")
+                                    .append(parser.getAttributeValue(i)).append("\"");
+                        }
+                        if (parser.isEmptyElementTag()) {
+                            payloadText.append("/>");
+                            isEmptyElement = true;
+                        } else {
+                            payloadText.append(">");
+                        }
+                    } else if (parser.getEventType() == XmlPullParser.END_TAG) {
+                        if (isEmptyElement) {
+                            isEmptyElement = false;
+                        } else {
+                            payloadText.append("</").append(parser.getName()).append(">");
+                        }
+                    } else if (parser.getEventType() == XmlPullParser.TEXT) {
+                        payloadText.append(parser.getText());
+                    }
+
+                    tag = parser.next();
+                }
+                return new PayloadItem<SimplePayload>(id, node, new SimplePayload(payloadElemName, payloadNS,
+                        payloadText.toString()));
+            } else {
+                return new PayloadItem<PacketExtension>(id, node, PacketParserUtils.parsePacketExtension(
+                        payloadElemName, payloadNS, parser));
+            }
+        }
+    }
+}