Support 'float' and 'java.lang.Float'

src/main/java/org/datadog/jmxfetch/Instance.java

@@ -21,7 +21,7 @@
 public class Instance {
     private final static Logger LOGGER = Logger.getLogger(Instance.class.getName());
     private final static List<String> SIMPLE_TYPES = Arrays.asList("long",
-            "java.lang.String", "int", "double", "java.lang.Double", "java.lang.Integer", "java.lang.Long",
+            "java.lang.String", "int", "float", "double", "java.lang.Double","java.lang.Float", "java.lang.Integer", "java.lang.Long",
             "java.util.concurrent.atomic.AtomicInteger", "java.util.concurrent.atomic.AtomicLong",
             "java.lang.Object", "java.lang.Boolean", "boolean", "java.lang.Number");
     private final static List<String> COMPOSED_TYPES = Arrays.asList("javax.management.openmbean.CompositeData", "java.util.HashMap");

src/test/java/org/datadog/jmxfetch/SimpleTestJavaApp.java

@@ -7,20 +7,31 @@
 
 public class SimpleTestJavaApp implements SimpleTestJavaAppMBean {
 
+    // Integers
     private final int shouldBe100 = 100;
     private final int shouldBe1000 = 1000;
+    private final Integer int424242 = new Integer(424242);
+    private final AtomicInteger atomic42 = new AtomicInteger(42);
+
     private int shouldBeCounter = 0;
+
+    // Floats & Long
+    private final float primitiveFloat = 123.4f;
+    private final Float instanceFloat = 567.8f;
+    private final AtomicLong atomic4242 = new AtomicLong(4242);
+    private final Long long42424242 = new Long(42424242);
+
+    // String
     private final String shouldBeConverted = "ShouldBe5";
     private final String shouldBeDefaulted = "DefaultMe";
+
+    // Others
     private final boolean shouldBeBoolean = true;
     private final HashMap<String, Integer> hashmap = new HashMap<String, Integer>();
-    private final AtomicInteger atomic42 = new AtomicInteger(42);
-    private final AtomicLong atomic4242 = new AtomicLong(4242);
     private final Object object1337 = new Double(13.37);
-    private final Long long42424242 = new Long(42424242);
-    private final Integer int424242 = new Integer(424242);
     private final BigDecimal numberBig = new BigDecimal(123456788901234567890.0);
 
+
     SimpleTestJavaApp() {
         hashmap.put("thisis0", 0);
         hashmap.put("thisis10", 10);
@@ -93,5 +104,11 @@ public Integer getInt424242() {
         return int424242;
     }
 
+    public float getPrimitiveFloat(){
+        return primitiveFloat;
+    }
 
+    public Float getInstanceFloat(){
+        return instanceFloat;
+    }
 }

src/test/java/org/datadog/jmxfetch/SimpleTestJavaAppMBean.java

@@ -32,4 +32,8 @@ public interface SimpleTestJavaAppMBean {
 
     Integer getInt424242();
 
+    float getPrimitiveFloat();
+
+    Float getInstanceFloat();
+
 }