add model for MAM result + MAM manager

src/main/java/eu/siacs/conversations/xml/Namespace.java

@@ -91,6 +91,7 @@ public final class Namespace {
     public static final String SASL_2 = "urn:xmpp:sasl:2";
     public static final String STANZAS = "urn:ietf:params:xml:ns:xmpp-stanzas";
     public static final String STANZA_IDS = "urn:xmpp:sid:0";
+    public static final String MESSAGE_ARCHIVE_MANAGEMENT = "urn:xmpp:mam:2";
     public static final String STREAMS = "http://etherx.jabber.org/streams";
     public static final String STREAM_MANAGEMENT = "urn:xmpp:sm:3";
     public static final String SYNCHRONIZATION = "im.quicksy.synchronization:0";

src/main/java/im/conversations/android/xmpp/Managers.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import com.google.common.collect.ClassToInstanceMap;
 import com.google.common.collect.ImmutableClassToInstanceMap;
 import im.conversations.android.xmpp.manager.AbstractManager;
+import im.conversations.android.xmpp.manager.ArchiveManager;
 import im.conversations.android.xmpp.manager.AvatarManager;
 import im.conversations.android.xmpp.manager.AxolotlManager;
 import im.conversations.android.xmpp.manager.BlockingManager;
@@ -25,6 +26,7 @@ public final class Managers {
     public static ClassToInstanceMap<AbstractManager> initialize(
             final Context context, final XmppConnection connection) {
         return new ImmutableClassToInstanceMap.Builder<AbstractManager>()
+                .put(ArchiveManager.class, new ArchiveManager(context, connection))
                 .put(AvatarManager.class, new AvatarManager(context, connection))
                 .put(AxolotlManager.class, new AxolotlManager(context, connection))
                 .put(BlockingManager.class, new BlockingManager(context, connection))

src/main/java/im/conversations/android/xmpp/mam/Result.java

@@ -0,0 +1,25 @@
+package im.conversations.android.xmpp.mam;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+import im.conversations.android.xmpp.model.forward.Forwarded;
+
+@XmlElement
+public class Result extends Extension {
+
+    public Result() {
+        super(Result.class);
+    }
+
+    public Forwarded getForwarded() {
+        return this.getExtension(Forwarded.class);
+    }
+
+    public String getId() {
+        return this.getAttribute("id");
+    }
+
+    public String getQueryId() {
+        return this.getAttribute("queryid");
+    }
+}

src/main/java/im/conversations/android/xmpp/mam/package-info.java

@@ -0,0 +1,5 @@
+@XmlPackage(namespace = Namespace.MESSAGE_ARCHIVE_MANAGEMENT)
+package im.conversations.android.xmpp.mam;
+
+import eu.siacs.conversations.xml.Namespace;
+import im.conversations.android.annotation.XmlPackage;

src/main/java/im/conversations/android/xmpp/manager/ArchiveManager.java

@@ -0,0 +1,32 @@
+package im.conversations.android.xmpp.manager;
+
+import android.content.Context;
+import com.google.common.base.Preconditions;
+import im.conversations.android.xmpp.XmppConnection;
+import im.conversations.android.xmpp.mam.Result;
+import im.conversations.android.xmpp.model.stanza.Message;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ArchiveManager extends AbstractManager {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ArchiveManager.class);
+
+    public ArchiveManager(Context context, XmppConnection connection) {
+        super(context, connection);
+    }
+
+    public void handle(final Message message) {
+        final var result = message.getExtension(Result.class);
+        Preconditions.checkArgument(result != null, "The message needs to contain a MAM result");
+        final var from = message.getFrom();
+        final var queryId = result.getQueryId();
+        final var forwarded = result.getForwarded();
+        final var forwardedMessage = forwarded == null ? null : forwarded.getMessage();
+        if (forwardedMessage == null || queryId == null) {
+            LOGGER.info("Received invalid MAM result from {} ", from);
+            return;
+        }
+        // TODO
+    }
+}

src/main/java/im/conversations/android/xmpp/manager/ChatStateManager.java

@@ -1,15 +1,13 @@
 package im.conversations.android.xmpp.manager;
 
 import android.content.Context;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import eu.siacs.conversations.xmpp.Jid;
 import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.model.state.ChatStateNotification;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-public class ChatStateManager extends AbstractManager{
+public class ChatStateManager extends AbstractManager {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ChatStateManager.class);
 

src/main/java/im/conversations/android/xmpp/processor/MessageProcessor.java

@@ -3,6 +3,8 @@ package im.conversations.android.xmpp.processor;
 import android.content.Context;
 import eu.siacs.conversations.xmpp.Jid;
 import im.conversations.android.xmpp.XmppConnection;
+import im.conversations.android.xmpp.mam.Result;
+import im.conversations.android.xmpp.manager.ArchiveManager;
 import im.conversations.android.xmpp.manager.CarbonsManager;
 import im.conversations.android.xmpp.manager.ChatStateManager;
 import im.conversations.android.xmpp.manager.PubSubManager;
@@ -13,7 +15,6 @@ import im.conversations.android.xmpp.model.carbons.Sent;
 import im.conversations.android.xmpp.model.pubsub.event.Event;
 import im.conversations.android.xmpp.model.stanza.Message;
 import im.conversations.android.xmpp.model.state.ChatStateNotification;
-
 import java.util.function.Consumer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -52,22 +53,26 @@ public class MessageProcessor extends XmppConnection.Delegate implements Consume
             return;
         }
 
+        if (isRoot() && message.hasExtension(Result.class)) {
+            getManager(ArchiveManager.class).handle(message);
+            return;
+        }
+
         final String id = message.getId();
         final Jid from = message.getFrom();
 
         LOGGER.info("Message received {}", message.getExtensionIds());
 
         // TODO only do this if transformation was successful or nothing to transform
-        if (isRealtimeProcessor()) {
         final var requests = message.getExtensions(DeliveryReceiptRequest.class);
         getManager(ReceiptManager.class).received(from, id, requests);
+
         final var chatState = message.getExtension(ChatStateNotification.class);
         if (chatState != null) {
             getManager(ChatStateManager.class).handle(from, chatState);
         }
-        }
 
-        // TODO parse chat states
+        // TODO parse and validate stanza-id
 
         // TODO collect Extensions that require transformation (everything that will end up in the
         // message tables)
@@ -79,13 +84,9 @@ public class MessageProcessor extends XmppConnection.Delegate implements Consume
         return this.level == Level.ROOT;
     }
 
-    private boolean isRealtimeProcessor() {
-        return this.level != Level.ARCHIVE;
-    }
-
     public enum Level {
         ROOT,
         CARBON,
-        ARCHIVE
+        STANZA_CONTENT_ENCRYPTION
     }
 }