From 649b52222a4cecbb184eb7bea3cf685fac2801df Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Fri, 13 Apr 2018 21:52:26 +0200
Subject: ignore bookmark name of 'None'

---
 .../java/de/pixart/messenger/entities/Bookmark.java    | 18 +++++++++++++-----
 .../java/de/pixart/messenger/entities/Contact.java     | 11 ++++++-----
 .../de/pixart/messenger/entities/Conversation.java     | 13 +++++++------
 3 files changed, 26 insertions(+), 16 deletions(-)

(limited to 'src')

diff --git a/src/main/java/de/pixart/messenger/entities/Bookmark.java b/src/main/java/de/pixart/messenger/entities/Bookmark.java
index 46b5ace06..309c08e0f 100644
--- a/src/main/java/de/pixart/messenger/entities/Bookmark.java
+++ b/src/main/java/de/pixart/messenger/entities/Bookmark.java
@@ -2,6 +2,7 @@ package de.pixart.messenger.entities;
 
 import android.content.Context;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
@@ -55,18 +56,25 @@ public class Bookmark extends Element implements ListItem {
     @Override
     public String getDisplayName() {
         final Conversation c = getConversation();
+        final String name = getBookmarkName();
         if (c != null) {
             return c.getName().toString();
-        } else if (getBookmarkName() != null
-                && !getBookmarkName().trim().isEmpty()) {
-            return getBookmarkName().trim();
+        } else if (printableValue(name, false)) {
+            return name.trim();
         } else {
             Jid jid = this.getJid();
-            String name = jid != null ? jid.getLocal() : getAttribute("jid");
-            return name != null ? name : "";
+            return jid != null && jid.getLocal() != null ? jid.getLocal() : "";
         }
     }
 
+    public static boolean printableValue(@Nullable String value, boolean permitNone) {
+        return value != null && !value.trim().isEmpty() && (permitNone || !"None".equals(value));
+    }
+
+    public static boolean printableValue(@Nullable String value) {
+        return printableValue(value, true);
+    }
+
     @Override
     public int getOffline() {
         return 0;
diff --git a/src/main/java/de/pixart/messenger/entities/Contact.java b/src/main/java/de/pixart/messenger/entities/Contact.java
index 2af40e1fb..b69f421ff 100644
--- a/src/main/java/de/pixart/messenger/entities/Contact.java
+++ b/src/main/java/de/pixart/messenger/entities/Contact.java
@@ -5,6 +5,7 @@ import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
 import android.provider.ContactsContract;
+import android.text.TextUtils;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -112,13 +113,13 @@ public class Contact implements ListItem, Blockable {
     }
 
     public String getDisplayName() {
-        if (Config.X509_VERIFICATION && this.commonName != null && !this.commonName.isEmpty()) {
+        if (Config.X509_VERIFICATION && !TextUtils.isEmpty(this.commonName)) {
             return this.commonName;
-        } else if (this.systemName != null && !this.systemName.isEmpty()) {
+        } else if (!TextUtils.isEmpty(this.systemName)) {
             return this.systemName;
-        } else if (this.serverName != null && !this.serverName.isEmpty()) {
+        } else if (!TextUtils.isEmpty(this.serverName)) {
             return this.serverName;
-        } else if (this.presenceName != null && !this.presenceName.isEmpty() && mutualPresenceSubscription()) {
+        } else if (!TextUtils.isEmpty(this.presenceName) && mutualPresenceSubscription()) {
             return this.presenceName;
         } else if (jid.getLocal() != null) {
             return JidHelper.localPartOrFallback(jid);
@@ -155,7 +156,7 @@ public class Contact implements ListItem, Blockable {
     }
 
     public boolean match(Context context, String needle) {
-        if (needle == null || needle.isEmpty()) {
+        if (TextUtils.isEmpty(needle)) {
             return true;
         }
         needle = needle.toLowerCase(Locale.US).trim();
diff --git a/src/main/java/de/pixart/messenger/entities/Conversation.java b/src/main/java/de/pixart/messenger/entities/Conversation.java
index 91257c6ff..d10868bf7 100644
--- a/src/main/java/de/pixart/messenger/entities/Conversation.java
+++ b/src/main/java/de/pixart/messenger/entities/Conversation.java
@@ -32,6 +32,8 @@ import de.pixart.messenger.xmpp.chatstate.ChatState;
 import de.pixart.messenger.xmpp.mam.MamReference;
 import rocks.xmpp.addr.Jid;
 
+import static de.pixart.messenger.entities.Bookmark.printableValue;
+
 
 public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation> {
     public static final String TABLENAME = "conversations";
@@ -511,16 +513,15 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
     public CharSequence getName() {
         if (getMode() == MODE_MULTI) {
             final String subject = getMucOptions().getSubject();
-            Bookmark bookmark = getBookmark();
+            final Bookmark bookmark = getBookmark();
             final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
-
-            if (subject != null && !subject.trim().isEmpty()) {
+            if (printableValue(subject)) {
                 return subject;
-            } else if (bookmarkName != null && !bookmarkName.trim().isEmpty()) {
+            } else if (printableValue(bookmarkName, false)) {
                 return bookmarkName;
             } else {
-                String generatedName = getMucOptions().createNameFromParticipants();
-                if (generatedName != null) {
+                final String generatedName = getMucOptions().createNameFromParticipants();
+                if (printableValue(generatedName)) {
                     return generatedName;
                 } else {
                     return getJid().getLocal();
-- 
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