From 867e6cf16b24ebaf592245e3302eccf382f901a0 Mon Sep 17 00:00:00 2001
From: tangyao <tangyao@alibaba-inc.com>
Date: Fri, 23 Sep 2016 14:57:35 +0800
Subject: [PATCH] feat: dyadic-array

---
 index.js           | 45 +++++++++++++++++++++++++++++++++++++++++++++
 test/index.test.js | 30 ++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)

diff --git a/index.js b/index.js
index ef49903..d293d73 100644
--- a/index.js
+++ b/index.js
@@ -27,6 +27,20 @@ var combineArray = function (type, value) {
   };
 };
 
+var combineDyadicArray = function(type, value) {
+  var values = null;
+  if (value) {
+    values = [];
+    for (var i = 0, len = value.length; i < len; i++) {
+      values.push(combineArray(type, value[i]));
+    }
+  }
+  return {
+    $class: '[[' + (type.name || type),
+    $: values
+  };
+}
+
 /**
  * java('com.java.Object', {})
  * =>
@@ -180,6 +194,37 @@ exports.array = function (className, val) {
   return combineArray(className, val);
 };
 
+/**
+ * java.dyadicArray('Boolean', [[false]]);
+ * =>
+ * {
+ *   $class: '[[java.lang.Boolean',
+ *   $: [[false]]
+ * }
+ *
+ * @param {String} className class name in array
+ * @param {Array} val
+ */
+exports.dyadicArray = function(className, val) {
+  className = simpleTypeMap[className] || className;
+  return combineDyadicArray(className, val);
+}
+
+/**
+ * java.dyadicArray.Boolean([[false]]);
+ * =>
+ * {
+ *   $class: '[[java.lang.Boolean',
+ *   $: [[false]]
+ * }
+ */
+
+Object.keys(simpleTypeMap).forEach(function (key) {
+  exports.dyadicArray[key] = function (val) {
+    return combineDyadicArray(simpleTypeMap[key], val);
+  };
+});
+
 /**
  * java.array.Boolean([true, false]);
  * =>
diff --git a/test/index.test.js b/test/index.test.js
index 09ef15f..29c7f8e 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -123,6 +123,36 @@ describe('js to java', function () {
     java.revert(result).should.eql([1, 2, 3]);
   });
 
+  it('should dyadicArray work fine', function() {
+    var result = {
+      $class: '[[java.lang.Integer',
+      $: [{
+        $class: '[java.lang.Integer',
+        $: [
+          {
+            $class: 'java.lang.Integer',
+            $: 1,
+          }
+        ]
+      }]
+    };
+    var result2 = {
+      $class: '[[java.lang.Integer',
+      $: [{
+        $class: '[java.lang.Integer',
+        $: [
+          {
+            $class: 'java.lang.Integer',
+            $: null,
+          }
+        ]
+      }]
+    };
+    java.dyadicArray.Integer([[1]]).should.eql(result);
+    java.dyadicArray('java.lang.Integer', [['1']]).should.eql(result);
+    java.dyadicArray('java.lang.Integer', [[null]]).should.eql(result2);
+  });
+
   it('should abstractClass work ok', function () {
     var result = {
       $class: 'com.java.Object',