From 32c833822e51d362b08f6f5c8fa6ca42abd53bd6 Mon Sep 17 00:00:00 2001
From: Ruslan Sibgatullin <betterrus@gmail.com>
Date: Thu, 12 Jul 2018 23:13:31 +0300
Subject: [PATCH] LANG-1404 BooleanUtils.toBoolean(Integer) method added

---
 .../apache/commons/lang3/BooleanUtils.java    | 20 +++++++++++++++++++
 .../commons/lang3/BooleanUtilsTest.java       | 13 ++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/src/main/java/org/apache/commons/lang3/BooleanUtils.java b/src/main/java/org/apache/commons/lang3/BooleanUtils.java
index fdeff74a0d9..388091081d3 100644
--- a/src/main/java/org/apache/commons/lang3/BooleanUtils.java
+++ b/src/main/java/org/apache/commons/lang3/BooleanUtils.java
@@ -198,6 +198,26 @@ public static boolean toBoolean(final int value) {
         return value != 0;
     }
 
+    /**
+     * <p>Converts an Integer to a boolean using the convention that {@code zero}
+     * and {@code null} is {@code false}.</p>
+     *
+     * <pre>
+     *   BooleanUtils.toBoolean(null) = false
+     *   BooleanUtils.toBoolean(Integer.valueOf(0)) = false
+     *   BooleanUtils.toBoolean(Integer.valueOf(1)) = true
+     *   BooleanUtils.toBoolean(Integer.valueOf(2)) = true
+     * </pre>
+     *
+     * @param value  the int to convert
+     * @return {@code true} if non-zero and non-null,
+     * {@code false} otherwise
+     * @since 3.8
+     */
+    public static boolean toBoolean(final Integer value) {
+        return value != null && value != 0;
+    }
+
     /**
      * <p>Converts an int to a Boolean using the convention that {@code zero}
      * is {@code false}.</p>
diff --git a/src/test/java/org/apache/commons/lang3/BooleanUtilsTest.java b/src/test/java/org/apache/commons/lang3/BooleanUtilsTest.java
index 4fd3ad84154..0a70313698f 100644
--- a/src/test/java/org/apache/commons/lang3/BooleanUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/BooleanUtilsTest.java
@@ -109,6 +109,19 @@ public void test_toBoolean_int() {
         assertFalse(BooleanUtils.toBoolean(0));
     }
 
+    @Test
+    public void test_toBoolean_Integer() {
+        final Integer one = Integer.valueOf(1);
+        final Integer minusOne = Integer.valueOf(-1);
+        final Integer zero = Integer.valueOf(0);
+        final Integer nullInteger = null;
+
+        assertEquals(Boolean.TRUE, BooleanUtils.toBoolean(one));
+        assertEquals(Boolean.TRUE, BooleanUtils.toBoolean(minusOne));
+        assertEquals(Boolean.FALSE, BooleanUtils.toBoolean(zero));
+        assertEquals(Boolean.FALSE, BooleanUtils.toBoolean(nullInteger));
+    }
+
     @Test
     public void test_toBooleanObject_int() {
         assertEquals(Boolean.TRUE, BooleanUtils.toBooleanObject(1));