Convert double to int when decoding JSON

When decoding straight into a List or Map class, StandardCoder was not
applying the double-to-int conversion.  Fixed it.

Issue-ID: POLICY-1625
Signed-off-by: Jim Hahn <jrh3@att.com>
Change-Id: I939e3378645d45ac98d2bca6b2a4076870a05626

2 files changed, 18 insertions, 2 deletions

diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java
index 26746b79..6d0cbc9d 100644
--- a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java
+++ b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java
@@ -38,6 +38,8 @@ import java.io.OutputStreamWriter;
 import java.io.Reader;
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.Map;
 import lombok.AccessLevel;
 import lombok.Getter;
 import org.onap.policy.common.gson.DoubleConverter;
@@ -286,7 +288,7 @@ public class StandardCoder implements Coder {
      * @return the converted value
      */
     protected <T> T convertFromDouble(Class<T> clazz, T value) {
-        if (clazz != Object.class) {
+        if (clazz != Object.class && !Map.class.isAssignableFrom(clazz) && !List.class.isAssignableFrom(clazz)) {
             return value;
         }
 
diff --git a/utils/src/test/java/org/onap/policy/common/utils/coder/StandardCoderTest.java b/utils/src/test/java/org/onap/policy/common/utils/coder/StandardCoderTest.java
index 2a70f85a..43a17dec 100644
--- a/utils/src/test/java/org/onap/policy/common/utils/coder/StandardCoderTest.java
+++ b/utils/src/test/java/org/onap/policy/common/utils/coder/StandardCoderTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP PAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,8 +45,10 @@ import java.nio.file.Files;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import java.util.TreeMap;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -281,6 +283,18 @@ public class StandardCoderTest {
         assertEquals(-10, map.props.get("negInt"));
         assertEquals(100000000000L, map.props.get("posLong"));
         assertEquals(12.5, map.props.get("doubleVal"));
+
+        // test when decoding into a map
+        @SuppressWarnings("unchecked")
+        Map<String,Object> map2 = coder.decode("{'intValue':10, 'dblVal':20.1}", TreeMap.class);
+        assertEquals("{dblVal=20.1, intValue=10}", map2.toString());
+    }
+
+    @Test
+    public void testListDouble() throws Exception {
+        @SuppressWarnings("unchecked")
+        List<Object> list = coder.decode("[10, 20.1, 30]", LinkedList.class);
+        assertEquals("[10, 20.1, 30]", list.toString());
     }