Transient fields are not written to TOML files by TomlWriter

Fixes #30

CHANGELOG.md

@@ -1,11 +1,15 @@
 # toml4j Changelog
 
-## 0.6.0 / 2016-05-09
+## 0.6.0 / 2016-06-14
 
 ## Added
 
 * Toml#toMap() convenience method (thanks to __[andytill](https://github.com/andytill)__ and __[Gyscos](https://github.com/Gyscos)) 
 
+## Fixed
+
+* Transient fields are not written to TOML files (thanks to __[lare96](https://github.com/lare96)__)
+
 ## 0.5.1 / 2016-01-24
 
 ### Fixed

src/main/java/com/moandjiezana/toml/ObjectValueWriter.java

@@ -50,7 +50,7 @@ class ObjectValueWriter implements ValueWriter {
     Iterator<Field> iterator = fields.iterator();
     while (iterator.hasNext()) {
       Field field = iterator.next();
-      if ((Modifier.isFinal(field.getModifiers()) && Modifier.isStatic(field.getModifiers())) || field.isSynthetic()) {
+      if ((Modifier.isFinal(field.getModifiers()) && Modifier.isStatic(field.getModifiers())) || field.isSynthetic() || Modifier.isTransient(field.getModifiers())) {
         iterator.remove();
       }
     }

src/test/java/com/moandjiezana/toml/TomlWriterTest.java

@@ -455,6 +455,11 @@ public class TomlWriterTest {
   private static class SimpleTestClass {
     int a = 1;
   }
+  
+  private static class TransientClass {
+    int a = 2;
+    transient int b = 3;
+  }
 
   @Test
   public void should_write_to_writer() throws IOException {
@@ -480,6 +485,13 @@ public class TomlWriterTest {
     assertEquals("a = 1\n", readFile(output));
   }
   
+  @Test
+  public void should_skip_transient_fields() throws Exception {
+    String toml = new TomlWriter().write(new TransientClass());
+    
+    assertEquals("a = 2\n", toml);
+  }
+  
   @Test(expected = IllegalArgumentException.class)
   public void should_refuse_to_write_string_fragment() {
     new TomlWriter().write("fragment");