1 files changed, 41 insertions, 0 deletions
diff --git a/src/com/p4square/grow/provider/QuestionProvider.java b/src/com/p4square/grow/provider/QuestionProvider.java
new file mode 100644
index 0000000..b569dc8
--- /dev/null
+++ b/src/com/p4square/grow/provider/QuestionProvider.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2013 Jesse Morgan
+ */
+
+package com.p4square.grow.provider;
+
+import java.io.IOException;
+
+import com.p4square.grow.model.Question;
+
+/**
+ * QuestionProvider wraps an existing Provider to get and put Questions.
+ *
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+public abstract class QuestionProvider<K> implements Provider<String, Question> {
+
+    private Provider<K, Question> mProvider;
+
+    public QuestionProvider(Provider<K, Question> provider) {
+        mProvider = provider;
+    }
+
+    @Override
+    public Question get(String key) throws IOException {
+        return mProvider.get(makeKey(key));
+    }
+
+    @Override
+    public void put(String key, Question obj) throws IOException {
+        mProvider.put(makeKey(key), obj);
+    }
+
+    /**
+     * Make a Key for questionId.
+     *
+     * @param questionId The question id.
+     * @return a key for questionId.
+     */
+    protected abstract K makeKey(String questionId);
+}