From ee4178f54999da83de69c7ee720267d92b7747dd Mon Sep 17 00:00:00 2001
From: Waldinar Oliveira Neto <mzp_woliveira@uolinc.com>
Date: Sat, 20 Jun 2015 18:21:47 -0700
Subject: [PATCH] Support isFoo for boolean properties.

This is addition to the existing getFoo support.
---
 .../samskivert/mustache/DefaultCollector.java  | 18 ++++++++++++++++--
 .../com/samskivert/mustache/MustacheTest.java  | 12 ++++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/samskivert/mustache/DefaultCollector.java b/src/main/java/com/samskivert/mustache/DefaultCollector.java
index ca59c56..13d1eec 100644
--- a/src/main/java/com/samskivert/mustache/DefaultCollector.java
+++ b/src/main/java/com/samskivert/mustache/DefaultCollector.java
@@ -81,9 +81,10 @@ public class DefaultCollector extends BasicCollector
         } catch (Exception e) {
             // fall through
         }
+
+        String upperName = Character.toUpperCase(name.charAt(0)) + name.substring(1);
         try {
-            m = clazz.getDeclaredMethod(
-                "get" + Character.toUpperCase(name.charAt(0)) + name.substring(1));
+            m = clazz.getDeclaredMethod("get" + upperName);
             if (!m.getReturnType().equals(void.class)) {
                 if (!m.isAccessible()) {
                     m.setAccessible(true);
@@ -94,6 +95,19 @@ public class DefaultCollector extends BasicCollector
             // fall through
         }
 
+        try {
+            m = clazz.getDeclaredMethod("is" + upperName);
+            if (m.getReturnType().equals(boolean.class) ||
+                m.getReturnType().equals(Boolean.class)) {
+                if (!m.isAccessible()) {
+                    m.setAccessible(true);
+                }
+                return m;
+            }
+        } catch (Exception e) {
+            // fall through
+        }
+
         Class<?> sclass = clazz.getSuperclass();
         if (sclass != Object.class && sclass != null) {
             return getMethod(clazz.getSuperclass(), name);
diff --git a/src/test/java/com/samskivert/mustache/MustacheTest.java b/src/test/java/com/samskivert/mustache/MustacheTest.java
index e144f37..67c5881 100644
--- a/src/test/java/com/samskivert/mustache/MustacheTest.java
+++ b/src/test/java/com/samskivert/mustache/MustacheTest.java
@@ -47,6 +47,18 @@ public class MustacheTest
         });
     }
 
+    @Test public void testBooleanPropertyVariable () {
+        test("true", "{{foo}}", new Object() {
+            Boolean isFoo () { return true; }
+        });
+    }
+
+    @Test public void testPrimitiveBooleanPropertyVariable () {
+        test("false", "{{foo}}", new Object() {
+            boolean isFoo () { return false; }
+        });
+    }
+
     @Test public void testSkipVoidReturn () {
         test("bar", "{{foo}}", new Object() {
             void foo () {}