From 9f717384a4130cba4d4ec0297a8ff6c1bcc965e4 Mon Sep 17 00:00:00 2001
From: Jonathan Wood <jonathan.wood@nominum.com>
Date: Wed, 24 Jun 2015 22:14:42 -0700
Subject: [PATCH] Don't use java.util.function.Predicate.

It is a Java-8 addition.
---
 .../com/moandjiezana/toml/ObjectSerializer.java     | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/moandjiezana/toml/ObjectSerializer.java b/src/main/java/com/moandjiezana/toml/ObjectSerializer.java
index ffe106c..07da595 100644
--- a/src/main/java/com/moandjiezana/toml/ObjectSerializer.java
+++ b/src/main/java/com/moandjiezana/toml/ObjectSerializer.java
@@ -3,7 +3,6 @@ package com.moandjiezana.toml;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.*;
-import java.util.function.Predicate;
 
 import static com.moandjiezana.toml.MapSerializer.MAP_SERIALIZER;
 
@@ -42,14 +41,14 @@ class ObjectSerializer implements Serializer {
         getSuperClassFields(cls.getSuperclass(), fields);
 
         // Skip final fields
-        fields.removeIf(new Predicate<Field>() {
-            @Override
-            public boolean test(Field field) {
-                return Modifier.isFinal(field.getModifiers());
+        Set<Field> prunedFields = new LinkedHashSet<Field>();
+        for (Field field : fields) {
+            if (!Modifier.isFinal(field.getModifiers())) {
+                prunedFields.add(field);
             }
-        });
+        }
 
-        return fields;
+        return prunedFields;
     }
 
     static private void getSuperClassFields(Class cls, Set<Field> fields) {