1 files changed, 57 insertions, 0 deletions
diff --git a/sandbox/mobile-android/tuscany-implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/FieldInjector.java b/sandbox/mobile-android/tuscany-implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/FieldInjector.java
new file mode 100644
index 0000000000..a1cfa6c98d
--- /dev/null
+++ b/sandbox/mobile-android/tuscany-implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/FieldInjector.java
@@ -0,0 +1,57 @@
+/*
+ * 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.implementation.java.injection;
+
+import java.lang.reflect.Field;
+
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+
+/**
+ * Injects a value created by an {@link org.apache.tuscany.sca.core.factory.ObjectFactory} on a given field
+ *
+ * @version $Rev: 639649 $ $Date: 2008-03-21 06:04:01 -0800 (Fri, 21 Mar 2008) $
+ */
+public class FieldInjector<T> implements Injector<T> {
+
+    private final Field field;
+
+    private final ObjectFactory<?> objectFactory;
+
+    /**
+     * Create an injector and have it use the given <code>ObjectFactory</code> to inject a value on the instance using
+     * the reflected <code>Field</code>
+     */
+    public FieldInjector(Field field, ObjectFactory<?> objectFactory) {
+        this.field = field;
+        this.field.setAccessible(true);
+        this.objectFactory = objectFactory;
+    }
+
+    /**
+     * Inject a new value on the given instance
+     */
+    public void inject(T instance) throws ObjectCreationException {
+        try {
+            field.set(instance, objectFactory.getInstance());
+        } catch (IllegalAccessException e) {
+            throw new AssertionError("Field is not accessible [" + field + "]");
+        }
+    }
+}