1 files changed, 68 insertions, 0 deletions
diff --git a/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java b/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java
new file mode 100644
index 0000000000..86a78ccf87
--- /dev/null
+++ b/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java
@@ -0,0 +1,68 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.binding.erlang.impl.types;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.ericsson.otp.erlang.OtpErlangObject;
+import com.ericsson.otp.erlang.OtpErlangTuple;
+
+public class TupleTypeHelper implements TypeHelper {
+
+    public OtpErlangObject toErlang(Object object) {
+        Class<?> forClass = object.getClass();
+        List<OtpErlangObject> tupleMembers = new ArrayList<OtpErlangObject>();
+        Field[] fields = forClass.getFields();
+        for (int i = 0; i < fields.length; i++) {
+            Object[] args;
+            try {
+                args = new Object[] {fields[i].get(object)};
+                OtpErlangObject member = TypeHelpersProxy.toErlang(args);
+                tupleMembers.add(member);
+            } catch (Exception e) {
+                // TODO Auto-generated catch block
+                e.printStackTrace();
+            }
+        }
+        OtpErlangObject result = new OtpErlangTuple(tupleMembers.toArray(new OtpErlangObject[tupleMembers.size()]));
+        return result;
+    }
+
+    public Object toJava(OtpErlangObject object, Class<?> forClass) throws Exception {
+        Object result = null;
+        OtpErlangTuple tuple = (OtpErlangTuple)object;
+        Field[] fields = forClass.getFields();
+        if (fields.length != tuple.arity()) {
+            // TODO: received tuple with different element count - wrong
+            // message, exception!
+        }
+        result = forClass.newInstance();
+        for (int i = 0; i < tuple.arity(); i++) {
+            OtpErlangObject tupleMember = tuple.elementAt(i);
+            Object javaMember = TypeHelpersProxy.toJava(tupleMember, fields[i].getType());
+            fields[i].setAccessible(true);
+            fields[i].set(result, javaMember);
+        }
+        return result;
+    }
+
+}