X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Futils%2FMisc.java;h=927a34d936b44326cfeed93aa9866ccd64ff770f;hb=1c7d5db534b9c31c30f5a98074b0bcaeb1c0b4a9;hp=4443f2303dfe3eff7aee5e779cd2bcbfd8c03589;hpb=ed3a0407224af69a5dce6beabc1a34a4ebc17fa5;p=mobile-ledger.git

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
index 4443f230..927a34d9 100644
--- a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 Damyan Ivanov.
  * This file is part of MoLe.
  * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
@@ -19,11 +19,15 @@ package net.ktnx.mobileledger.utils;
 
 import android.app.Activity;
 import android.content.res.Configuration;
+import android.text.Editable;
 import android.view.WindowManager;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 
+import org.jetbrains.annotations.Contract;
+
 public class Misc {
     public static boolean isZero(float f) {
         return (f < 0.005) && (f > -0.005);
@@ -62,8 +66,35 @@ public class Misc {
     public static String nullIsEmpty(String str) {
         return (str == null) ? "" : str;
     }
-    public static boolean isEmptyOrNull (String str) {
-        if (str == null) return true;
-        return str.isEmpty();
+    public static String nullIsEmpty(Editable e) {
+        if (e == null)
+            return "";
+        return e.toString();
+    }
+    public static boolean equalStrings(String u, CharSequence text) {
+        return nullIsEmpty(u).equals(text.toString());
+    }
+    public static boolean equalStrings(String a, String b) {
+        return nullIsEmpty(a).equals(nullIsEmpty(b));
+    }
+    public static String trim(@Nullable String string) {
+        if (string == null)
+            return null;
+
+        return string.trim();
+    }
+    @Contract(value = "null, null -> true; null, !null -> false; !null, null -> false", pure = true)
+    public static boolean equalIntegers(Integer a, Integer b) {
+        if ( a == null && b == null) return true;
+        if (a == null || b == null) return false;
+
+        return a.equals(b);
+    }
+    @Contract(value = "null, null -> true; null, !null -> false; !null, null -> false", pure = true)
+    public static boolean equalLongs(Long a, Long b) {
+        if ( a == null && b == null) return true;
+        if (a == null || b == null) return false;
+
+        return a.equals(b);
     }
 }