Merge pull request #3268 from lichengwu/master

fix kotlin isXx property name

Author: wenshao

src/main/java/com/alibaba/fastjson/util/JavaBeanInfo.java

@@ -771,11 +771,7 @@ public static JavaBeanInfo build(Class<?> clazz //
                 // 因此如果是kotlin的话还需要进行不一样的判断, 判断的方式是通过get方法进行判断, isAbc的get方法名为isAbc(), abc的get方法名为getAbc()
                 if (kotlin) {
                     String getMethodName = "g" + methodName.substring(1);
-                    if (getMethodNameList.contains(getMethodName)) {
-                        propertyName = TypeUtils.getPropertyNameByMethodName(getMethodName);
-                    } else {
-                        propertyName = "is" + getMethodName.substring(3);
-                    }
+                    propertyName = TypeUtils.getPropertyNameByMethodName(getMethodName);
                 } else {
                     if (TypeUtils.compatibleWithJavaBean) {
                         propertyName = TypeUtils.decapitalize(methodName.substring(3));

src/test/java/com/alibaba/fastjson/deserializer/issue3248/TestIssue3248.kt

@@ -15,15 +15,19 @@ class TestIssue3248 {
     @JSONField(name = "namex")
     var name = ""
 
+    var isTest: Boolean = false
+
     @Test
     fun test() {
 
         val test = TestIssue3248().also {
             it.name = "my name"
+            it.isTest = true
         }
         val raw = JSON.toJSONString(test)
         val parsed = JSON.parseObject(raw, TestIssue3248::class.java)
         Assert.assertEquals(test.name, parsed.name)
+        Assert.assertEquals(test.isTest, parsed.isTest)
 
     }
 }