diff --git a/build/resources/META-INF/smack.providers b/build/resources/META-INF/smack.providers
index 5efdca4d3..e336fc42d 100644
--- a/build/resources/META-INF/smack.providers
+++ b/build/resources/META-INF/smack.providers
@@ -44,4 +44,18 @@
org.jivesoftware.smackx.GroupChatInvitation$Provider
+
+
+ query
+ http://jabber.org/protocol/disco#items
+ org.jivesoftware.smackx.provider.DiscoverItemsProvider
+
+
+
+
+ query
+ http://jabber.org/protocol/disco#info
+ org.jivesoftware.smackx.provider.DiscoverInfoProvider
+
+
\ No newline at end of file
diff --git a/source/org/jivesoftware/smackx/XHTMLManager.java b/source/org/jivesoftware/smackx/XHTMLManager.java
index eee45c568..8654c081a 100644
--- a/source/org/jivesoftware/smackx/XHTMLManager.java
+++ b/source/org/jivesoftware/smackx/XHTMLManager.java
@@ -54,7 +54,10 @@ package org.jivesoftware.smackx;
import java.util.Iterator;
+import org.jivesoftware.smack.XMPPConnection;
+import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Message;
+import org.jivesoftware.smackx.packet.DiscoverInfo;
import org.jivesoftware.smackx.packet.XHTMLExtension;
/**
@@ -66,6 +69,8 @@ import org.jivesoftware.smackx.packet.XHTMLExtension;
*/
public class XHTMLManager {
+ private final static String namespace = "http://jabber.org/protocol/xhtml-im";
+
/**
* Returns an Iterator for the XHTML bodies in the message. Returns null if
* the message does not contain an XHTML extension.
@@ -74,8 +79,7 @@ public class XHTMLManager {
* @return an Iterator for the bodies in the message or null if none.
*/
public static Iterator getBodies(Message message) {
- XHTMLExtension xhtmlExtension =
- (XHTMLExtension) message.getExtension("html", "http://jabber.org/protocol/xhtml-im");
+ XHTMLExtension xhtmlExtension = (XHTMLExtension) message.getExtension("html", namespace);
if (xhtmlExtension != null)
return xhtmlExtension.getBodies();
else
@@ -89,8 +93,7 @@ public class XHTMLManager {
* @param body the string to add as an XHTML body to the message
*/
public static void addBody(Message message, String body) {
- XHTMLExtension xhtmlExtension =
- (XHTMLExtension) message.getExtension("html", "http://jabber.org/protocol/xhtml-im");
+ XHTMLExtension xhtmlExtension = (XHTMLExtension) message.getExtension("html", namespace);
if (xhtmlExtension == null) {
// Create an XHTMLExtension and add it to the message
xhtmlExtension = new XHTMLExtension();
@@ -107,7 +110,54 @@ public class XHTMLManager {
* @return a boolean indicating whether the message is an XHTML message
*/
public static boolean isXHTMLMessage(Message message) {
- return message.getExtension("html", "http://jabber.org/protocol/xhtml-im") != null;
+ return message.getExtension("html", namespace) != null;
}
+ /**
+ * Enables or disables the XHTML support on a given connection.
+ *
+ * Before starting to send XHTML messages to a user, check that the user can handle XHTML
+ * messages. Enable the XHTML support to indicate that this client handles XHTML messages.
+ *
+ * @param connection the connection where the service will be enabled or disabled
+ * @param enabled indicates if the service will be enabled or disabled
+ */
+ public synchronized static void setServiceEnabled(XMPPConnection connection, boolean enabled) {
+ if (isServiceEnabled(connection) == enabled)
+ return;
+
+ if (enabled) {
+ ServiceDiscoveryManager.getInstanceFor(connection).addFeature(namespace);
+ } else {
+ ServiceDiscoveryManager.getInstanceFor(connection).removeFeature(namespace);
+ }
+ }
+
+ /**
+ * Returns true if the XHTML support is enabled for the given connection.
+ *
+ * @param connection the connection to look for XHTML support
+ * @return a boolean indicating if the XHTML support is enabled for the given connection
+ */
+ public static boolean isServiceEnabled(XMPPConnection connection) {
+ return ServiceDiscoveryManager.getInstanceFor(connection).includesFeature(namespace);
+ }
+
+ /**
+ * Returns true if the specified user handles XHTML messages.
+ *
+ * @param connection the connection to use to perform the service discovery
+ * @param userID the user to check. A fully qualified xmpp ID, e.g. jdoe@example.com
+ * @return a boolean indicating whether the specified user handles XHTML messages
+ */
+ public static boolean isServiceEnabled(XMPPConnection connection, String userID) {
+ try {
+ DiscoverInfo result =
+ ServiceDiscoveryManager.getInstanceFor(connection).discoverInfo(userID);
+ return result.containsFeature(namespace);
+ } catch (XMPPException e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
}