From ef1bdd26bd80743c12ee44f7d8d950eefa1c9107 Mon Sep 17 00:00:00 2001
From: Victor Verbitsky <vektor@krista.ru>
Date: Fri, 11 Jul 2014 11:21:44 +0400
Subject: [PATCH] Wrapping for enums. It's needed because jackson statically
 caching enums classes. After redeploing it's leads to ClassLoader hell.

---
 .../serial/graph/node/EnumNode.java           | 78 +++++++++++++++++++
 .../serial/graph/node/NodeBuilder.java        |  8 +-
 2 files changed, 84 insertions(+), 2 deletions(-)
 create mode 100644 serial/base/src/main/java/org/switchyard/serial/graph/node/EnumNode.java

diff --git a/serial/base/src/main/java/org/switchyard/serial/graph/node/EnumNode.java b/serial/base/src/main/java/org/switchyard/serial/graph/node/EnumNode.java
new file mode 100644
index 000000000..acf85ca70
--- /dev/null
+++ b/serial/base/src/main/java/org/switchyard/serial/graph/node/EnumNode.java
@@ -0,0 +1,78 @@
+package org.switchyard.serial.graph.node;
+
+import org.switchyard.common.type.Classes;
+import org.switchyard.serial.graph.Graph;
+
+/**
+ * A node representing a Enum value.
+ */
+@SuppressWarnings("serial")
+public class EnumNode implements Node {
+
+    private String _enumType;
+    private String _valueName;
+
+    /**
+     * Default constructor.
+     */
+    public EnumNode() {
+    }
+
+    /**
+     * Gets the enum type.
+     * 
+     * @return the enum type
+     */
+    public String getEnumType() {
+        return _enumType;
+    }
+
+    /**
+     * Sets the enum type.
+     * 
+     * @param enumType
+     *            the enum type
+     */
+    public void setEnumType(String enumType) {
+        _enumType = enumType;
+    }
+
+    /**
+     * Gets the enum value name.
+     * 
+     * @return the enum value name
+     */
+    public String getValueName() {
+        return _valueName;
+    }
+
+    /**
+     * Sets the enum value name.
+     * 
+     * @param valueName
+     *            the enum value name
+     */
+    public void setValueName(String valueName) {
+        _valueName = valueName;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void compose(Object obj, Graph graph) {
+        Enum<?> enumValue = (Enum<?>) obj;
+        setEnumType(enumValue.getClass().getName());
+        setValueName(enumValue.name());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    @SuppressWarnings({ "unchecked", "rawtypes" })
+    public Object decompose(Graph graph) {
+        Class enumClass = Classes.forName(getEnumType(), getClass().getClassLoader(), Thread.currentThread().getContextClassLoader());
+        return Enum.valueOf(enumClass, getValueName());
+    }
+}
diff --git a/serial/base/src/main/java/org/switchyard/serial/graph/node/NodeBuilder.java b/serial/base/src/main/java/org/switchyard/serial/graph/node/NodeBuilder.java
index cdad6d7cd..dee79153b 100644
--- a/serial/base/src/main/java/org/switchyard/serial/graph/node/NodeBuilder.java
+++ b/serial/base/src/main/java/org/switchyard/serial/graph/node/NodeBuilder.java
@@ -54,7 +54,11 @@ public static Integer build(Object obj, Graph graph) {
             return id;
         }
         Class<?> clazz = obj.getClass();
-        if (isSimple(clazz)) {
+        if (clazz.isEnum()) {
+            Node node = new EnumNode();
+            graph.putReference(id, node);
+            node.compose(obj, graph);
+        } else if (isSimple(clazz)) {
             graph.putReference(id, obj);
         } else if (isArray(clazz)) {
             if (isSimple(clazz.getComponentType())) {
@@ -147,7 +151,7 @@ static boolean isQName(Class<?> clazz) {
     }
 
     static boolean isSimple(Class<?> clazz) {
-        if (clazz.isPrimitive() || clazz.isEnum()) {
+        if (clazz.isPrimitive()) {
             return true;
         }
         for (Class<?> st : SIMPLE_TYPES) {