From 5814ac70f7d2499ce253a300b50e93d36c52c5a6 Mon Sep 17 00:00:00 2001
From: Tobrun <tobrun.van.nuland@gmail.com>
Date: Thu, 22 Mar 2018 18:41:30 -0400
Subject: [android] - add convenience methods for string, number, object

---
 .../mapboxsdk/style/expressions/Expression.java    | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java
index dee8b043b8..4509919992 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java
@@ -1361,6 +1361,19 @@ public class Expression {
     return new Expression("string", input);
   }
 
+  /**
+   * Asserts that the input value is a string.
+   * If multiple values are provided, each one is evaluated in order until a string value is obtained.
+   * If none of the inputs are strings, the expression is an error.
+   *
+   * @param input expression input
+   * @return expression
+   * @see <a href="https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions-types-string">Style specification</a>
+   */
+  public static Expression string(@NonNull String input) {
+    return string(literal(input));
+  }
+
   /**
    * Asserts that the input value is a number.
    * If multiple values are provided, each one is evaluated in order until a number value is obtained.
@@ -1374,6 +1387,19 @@ public class Expression {
     return new Expression("number", input);
   }
 
+  /**
+   * Asserts that the input value is a number.
+   * If multiple values are provided, each one is evaluated in order until a number value is obtained.
+   * If none of the inputs are numbers, the expression is an error.
+   *
+   * @param input expression input
+   * @return expression
+   * @see <a href="https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions-types-number">Style specification</a>
+   */
+  public static Expression number(@NonNull Number input) {
+    return number(literal(input));
+  }
+
   /**
    * Asserts that the input value is a boolean.
    * If multiple values are provided, each one is evaluated in order until a boolean value is obtained.
@@ -1387,6 +1413,19 @@ public class Expression {
     return new Expression("boolean", input);
   }
 
+  /**
+   * Asserts that the input value is a boolean.
+   * If multiple values are provided, each one is evaluated in order until a boolean value is obtained.
+   * If none of the inputs are booleans, the expression is an error.
+   *
+   * @param input expression input
+   * @return expression
+   * @see <a href="https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions-types-boolean">Style specification</a>
+   */
+  public static Expression bool(@NonNull boolean input) {
+    return bool(literal(input));
+  }
+
   /**
    * Asserts that the input value is an object. If it is not, the expression is an error
    *
@@ -1398,6 +1437,17 @@ public class Expression {
     return new Expression("object", input);
   }
 
+  /**
+   * Asserts that the input value is an object. If it is not, the expression is an error
+   *
+   * @param input expression input
+   * @return expression
+   * @see <a href="https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions-types-object">Style specification</a>
+   */
+  public static Expression object(@NonNull Object input) {
+    return object(literal(input));
+  }
+
   /**
    * Converts the input value to a string.
    * If the input is null, the result is null.
-- 
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