bug fixed for List/Array parse support empty string. for issue alibaba#1150

wenshao · wenshao · commit a3661fc309ef · 2017-04-25T13:43:47.000+08:00
diff --git a/src/main/java/com/alibaba/fastjson/parser/ListTypeFieldDeserializer.java b/src/main/java/com/alibaba/fastjson/parser/ListTypeFieldDeserializer.java
@@ -37,7 +37,10 @@ public ListTypeFieldDeserializer(ParserConfig mapping, Class<?> clazz, FieldInfo
     @SuppressWarnings({ "rawtypes", "unchecked" })
     @Override
     public void parseField(DefaultJSONParser parser, Object object, Type objectType, Map<String, Object> fieldValues) {
-        if (parser.lexer.token == JSONToken.NULL) {
+        JSONLexer lexer = parser.lexer;
+        final int token = lexer.token();
+        if (token == JSONToken.NULL
+                || (token == JSONToken.LITERAL_STRING && lexer.stringVal().length() == 0)) {
             setValue(object, null);
             parser.lexer.nextToken();
             return;
diff --git a/src/test/java/com/alibaba/json/bvt/issue_1100/Issue1150.java b/src/test/java/com/alibaba/json/bvt/issue_1100/Issue1150.java
@@ -0,0 +1,33 @@
+package com.alibaba.json.bvt.issue_1100;
+
+import com.alibaba.fastjson.JSON;
+import junit.framework.TestCase;
+
+import java.util.List;
+
+/**
+ * Created by wenshao on 24/04/2017.
+ */
+public class Issue1150 extends TestCase {
+    public void test_for_issue() throws Exception {
+        Model model = JSON.parseObject("{\"values\":\"\"}", Model.class);
+        assertNull(model.values);
+    }
+
+    public void test_for_issue_array() throws Exception {
+        Model2 model = JSON.parseObject("{\"values\":\"\"}", Model2.class);
+        assertNull(model.values);
+    }
+
+    public static class Model {
+        public List values;
+    }
+
+    public static class Model2 {
+        public Item[] values;
+    }
+
+    public static class Item {
+
+    }
+}
