SMACK-441 ServiceDiscoveryManager identities should be non-static and kept in a Set to allow multiple identities as per XEP-0030

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@13783 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/ServiceDiscoveryManager.java

@@ -54,7 +54,8 @@ public class ServiceDiscoveryManager {
     private static final String DEFAULT_IDENTITY_CATEGORY = "client";
     private static final String DEFAULT_IDENTITY_TYPE = "pc";
 
-    private static List<DiscoverInfo.Identity> identities = new LinkedList<DiscoverInfo.Identity>();
+    private Set<DiscoverInfo.Identity> identities = new HashSet<DiscoverInfo.Identity>();
+    private DiscoverInfo.Identity identity = new Identity(DEFAULT_IDENTITY_CATEGORY, DEFAULT_IDENTITY_NAME, DEFAULT_IDENTITY_TYPE);
 
     private EntityCapsManager capsManager;
 
@@ -74,7 +75,6 @@ public class ServiceDiscoveryManager {
                 new ServiceDiscoveryManager(connection);
             }
         });
-        identities.add(new Identity(DEFAULT_IDENTITY_CATEGORY, DEFAULT_IDENTITY_NAME, DEFAULT_IDENTITY_TYPE));
     }
 
     /**
@@ -86,6 +86,7 @@ public class ServiceDiscoveryManager {
      */
     public ServiceDiscoveryManager(Connection connection) {
         this.connection = connection;
+        identities.add(identity);
 
         init();
     }
@@ -107,13 +108,8 @@ public class ServiceDiscoveryManager {
      * @return the name of the client that will be returned when asked for the client identity
      *          in a disco request.
      */
-    public static String getIdentityName() {
-        DiscoverInfo.Identity identity = identities.get(0);
-        if (identity != null) {
+    public String getIdentityName() {
         return identity.getName();
-        } else {
-            return null;
-        }
     }
 
     /**
@@ -123,10 +119,8 @@ public class ServiceDiscoveryManager {
      * @param name the name of the client that will be returned when asked for the client identity
      *          in a disco request.
      */
-    public static void setIdentityName(String name) {
-        DiscoverInfo.Identity identity = identities.remove(0);
-        identity = new DiscoverInfo.Identity(DEFAULT_IDENTITY_CATEGORY, name, DEFAULT_IDENTITY_TYPE);
-        identities.add(identity);
+    public void setIdentityName(String name) {
+        identity.setName(name);
     }
 
     /**
@@ -137,13 +131,8 @@ public class ServiceDiscoveryManager {
      * @return the type of client that will be returned when asked for the client identity in a 
      *          disco request.
      */
-    public static String getIdentityType() {
-        DiscoverInfo.Identity identity = identities.get(0);
-        if (identity != null) {
+    public String getIdentityType() {
         return identity.getType();
-        } else {
-            return null;
-        }
     }
 
     /**
@@ -154,14 +143,30 @@ public class ServiceDiscoveryManager {
      * @param type the type of client that will be returned when asked for the client identity in a 
      *          disco request.
      */
-    public static void setIdentityType(String type) {
-        DiscoverInfo.Identity identity = identities.get(0);
-        if (identity != null) {
+    public void setIdentityType(String type) {
         identity.setType(type);
-        } else {
-            identity = new DiscoverInfo.Identity(DEFAULT_IDENTITY_CATEGORY, DEFAULT_IDENTITY_NAME, type);
+    }
+    
+    /**
+     * Add an identity to the client.
+     * 
+     * @param identity
+     */
+    public void addIdentity(DiscoverInfo.Identity identity) {
         identities.add(identity);
     }
+    
+    /**
+     * Remove an identity from the client. Note that the client needs at least one identity, the default identity, which
+     * can not be removed.
+     * 
+     * @param identity
+     * @return true, if successful. Otherwise the default identity was given.
+     */
+    public boolean removeIdentity(DiscoverInfo.Identity identity) {
+        if (identity.equals(this.identity)) return false;
+        identities.remove(identity);
+        return true;
     }
 
     /**
@@ -169,8 +174,8 @@ public class ServiceDiscoveryManager {
      * 
      * @return
      */
-    public static List<DiscoverInfo.Identity> getIdentities() {
-        return Collections.unmodifiableList(identities);
+    public Set<DiscoverInfo.Identity> getIdentities() {
+        return Collections.unmodifiableSet(identities);
     }
 
     /**

source/org/jivesoftware/smackx/entitycaps/EntityCapsManager.java

@@ -56,6 +56,7 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Queue;
+import java.util.Set;
 import java.util.SortedSet;
 import java.util.TreeSet;
 import java.util.WeakHashMap;
@@ -457,9 +458,9 @@ public class EntityCapsManager {
         if (connection != null)
             jidCaps.put(connection.getUser(), new NodeVerHash(ENTITY_NODE, currentCapsVersion, "sha-1"));
 
+        final List<Identity> identities = new LinkedList<Identity>(ServiceDiscoveryManager.getInstanceFor(connection).getIdentities());
         sdm.setNodeInformationProvider(ENTITY_NODE + '#' + currentCapsVersion, new NodeInformationProvider() {
             List<String> features = sdm.getFeaturesList();
-            List<Identity> identities = new LinkedList<Identity>(ServiceDiscoveryManager.getIdentities());
             List<PacketExtension> packetExtensions = sdm.getExtendedInfoAsList();
 
             @Override

source/org/jivesoftware/smackx/packet/DiscoverInfo.java

@@ -313,6 +313,15 @@ public class DiscoverInfo extends IQ {
             return name;
         }
         
+        /**
+         * Set the identity's name.
+         * 
+         * @param name
+         */
+        public void setName(String name) {
+            this.name = name;
+        }
+        
         /**
          * Returns the entity's type. To get the official registry of values for the 
          * 'type' attribute refer to <a href="http://www.jabber.org/registrar/disco-categories.html">Jabber::Registrar</a> 

test/org/jivesoftware/smackx/ServiceDiscoveryManagerTest.java

@@ -53,10 +53,10 @@ public class ServiceDiscoveryManagerTest extends SmackTestCase {
             Iterator<Identity> identities = info.getIdentities();
             assertTrue("No identities were found", identities.hasNext());
             Identity identity = identities.next();
-            assertEquals("Name in identity is wrong", ServiceDiscoveryManager.getIdentityName(),
+            assertEquals("Name in identity is wrong", discoManager.getIdentityName(),
                     identity.getName());
             assertEquals("Category in identity is wrong", "client", identity.getCategory());
-            assertEquals("Type in identity is wrong", ServiceDiscoveryManager.getIdentityType(),
+            assertEquals("Type in identity is wrong", discoManager.getIdentityType(),
                     identity.getType());
             assertFalse("More identities were found", identities.hasNext());
         }