Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/mucroomlookuptask.cc

Index: webrtc/libjingle/xmpp/mucroomlookuptask.cc
diff --git a/webrtc/libjingle/xmpp/mucroomlookuptask.cc b/webrtc/libjingle/xmpp/mucroomlookuptask.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a52491c9184e4f5b4c0eb591d5815a07d9bd1e5d
--- /dev/null
+++ b/webrtc/libjingle/xmpp/mucroomlookuptask.cc
@@ -0,0 +1,158 @@
+/*
+ *  Copyright 2011 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/libjingle/xmpp/mucroomlookuptask.h"
+
+#include "webrtc/libjingle/xmpp/constants.h"
+#include "webrtc/base/logging.h"
+
+
+namespace buzz {
+
+MucRoomLookupTask*
+MucRoomLookupTask::CreateLookupTaskForRoomName(XmppTaskParentInterface* parent,
+                                     const Jid& lookup_server_jid,
+                                     const std::string& room_name,
+                                     const std::string& room_domain) {
+  return new MucRoomLookupTask(parent, lookup_server_jid,
+                               MakeNameQuery(room_name, room_domain));
+}
+
+MucRoomLookupTask*
+MucRoomLookupTask::CreateLookupTaskForRoomJid(XmppTaskParentInterface* parent,
+                                              const Jid& lookup_server_jid,
+                                              const Jid& room_jid) {
+  return new MucRoomLookupTask(parent, lookup_server_jid,
+                               MakeJidQuery(room_jid));
+}
+
+MucRoomLookupTask*
+MucRoomLookupTask::CreateLookupTaskForHangoutId(XmppTaskParentInterface* parent,
+                                                const Jid& lookup_server_jid,
+                                                const std::string& hangout_id) {
+  return new MucRoomLookupTask(parent, lookup_server_jid,
+                               MakeHangoutIdQuery(hangout_id));
+}
+
+MucRoomLookupTask*
+MucRoomLookupTask::CreateLookupTaskForExternalId(
+    XmppTaskParentInterface* parent,
+    const Jid& lookup_server_jid,
+    const std::string& external_id,
+    const std::string& type) {
+  return new MucRoomLookupTask(parent, lookup_server_jid,
+                               MakeExternalIdQuery(external_id, type));
+}
+
+MucRoomLookupTask::MucRoomLookupTask(XmppTaskParentInterface* parent,
+                                     const Jid& lookup_server_jid,
+                                     XmlElement* query)
+    : IqTask(parent, STR_SET, lookup_server_jid, query) {
+}
+
+XmlElement* MucRoomLookupTask::MakeNameQuery(
+    const std::string& room_name, const std::string& room_domain) {
+  XmlElement* name_elem = new XmlElement(QN_SEARCH_ROOM_NAME, false);
+  name_elem->SetBodyText(room_name);
+
+  XmlElement* domain_elem = new XmlElement(QN_SEARCH_ROOM_DOMAIN, false);
+  domain_elem->SetBodyText(room_domain);
+
+  XmlElement* query = new XmlElement(QN_SEARCH_QUERY, true);
+  query->AddElement(name_elem);
+  query->AddElement(domain_elem);
+  return query;
+}
+
+XmlElement* MucRoomLookupTask::MakeJidQuery(const Jid& room_jid) {
+  XmlElement* jid_elem = new XmlElement(QN_SEARCH_ROOM_JID);
+  jid_elem->SetBodyText(room_jid.Str());
+
+  XmlElement* query = new XmlElement(QN_SEARCH_QUERY);
+  query->AddElement(jid_elem);
+  return query;
+}
+
+XmlElement* MucRoomLookupTask::MakeExternalIdQuery(
+    const std::string& external_id, const std::string& type) {
+  XmlElement* external_id_elem = new XmlElement(QN_SEARCH_EXTERNAL_ID);
+  external_id_elem->SetAttr(QN_TYPE, type);
+  external_id_elem->SetBodyText(external_id);
+
+  XmlElement* query = new XmlElement(QN_SEARCH_QUERY);
+  query->AddElement(external_id_elem);
+  return query;
+}
+
+// Construct a stanza to lookup the muc jid for a given hangout id. eg:
+//
+// <query xmlns="jabber:iq:search">
+//   <hangout-id>0b48ad092c893a53b7bfc87422caf38e93978798e</hangout-id>
+// </query>
+XmlElement* MucRoomLookupTask::MakeHangoutIdQuery(
+    const std::string& hangout_id) {
+  XmlElement* hangout_id_elem = new XmlElement(QN_SEARCH_HANGOUT_ID, false);
+  hangout_id_elem->SetBodyText(hangout_id);
+
+  XmlElement* query = new XmlElement(QN_SEARCH_QUERY, true);
+  query->AddElement(hangout_id_elem);
+  return query;
+}
+
+// Handle a response like the following:
+//
+// <query xmlns="jabber:iq:search">
+//   <item jid="muvc-private-chat-guid@groupchat.google.com">
+//     <room-name>0b48ad092c893a53b7bfc87422caf38e93978798e</room-name>
+//     <room-domain>hangout.google.com</room-domain>
+//   </item>
+// </query>
+void MucRoomLookupTask::HandleResult(const XmlElement* stanza) {
+  const XmlElement* query_elem = stanza->FirstNamed(QN_SEARCH_QUERY);
+  if (query_elem == NULL) {
+    SignalError(this, stanza);
+    return;
+  }
+
+  const XmlElement* item_elem = query_elem->FirstNamed(QN_SEARCH_ITEM);
+  if (item_elem == NULL) {
+    SignalError(this, stanza);
+    return;
+  }
+
+  MucRoomInfo room;
+  room.jid = Jid(item_elem->Attr(buzz::QN_JID));
+  if (!room.jid.IsValid()) {
+    SignalError(this, stanza);
+    return;
+  }
+
+  const XmlElement* room_name_elem =
+      item_elem->FirstNamed(QN_SEARCH_ROOM_NAME);
+  if (room_name_elem != NULL) {
+    room.name = room_name_elem->BodyText();
+  }
+
+  const XmlElement* room_domain_elem =
+      item_elem->FirstNamed(QN_SEARCH_ROOM_DOMAIN);
+  if (room_domain_elem != NULL) {
+    room.domain = room_domain_elem->BodyText();
+  }
+
+  const XmlElement* hangout_id_elem =
+      item_elem->FirstNamed(QN_SEARCH_HANGOUT_ID);
+  if (hangout_id_elem != NULL) {
+    room.hangout_id = hangout_id_elem->BodyText();
+  }
+
+  SignalResult(this, room);
+}
+
+}  // namespace buzz