add fluent api for RoboSpice request

Author: anotherdev

library/src/main/java/com/anotherdev/android/robospice/RequestCreator.java

@@ -0,0 +1,58 @@
+package com.anotherdev.android.robospice;
+
+import com.octo.android.robospice.SpiceManager;
+import com.octo.android.robospice.request.SpiceRequest;
+import com.octo.android.robospice.request.listener.RequestListener;
+import com.octo.android.robospice.retry.RetryPolicy;
+
+import javax.annotation.Nullable;
+
+public class RequestCreator {
+
+    private final SpiceManager mSpiceManager;
+
+    private Optional<String> mCacheKey = Optional.absent();
+    private Optional<Long> mCacheExpiry = Optional.absent();
+    private Optional<Boolean> mAcceptDirtyCache = Optional.absent();
+    private Optional<RetryPolicy> mRetryPolicy = Optional.absent();
+
+
+    RequestCreator(SpiceManager manager) {
+        if (manager == null) {
+            throw new IllegalArgumentException("SpiceManager must not be null");
+        }
+        mSpiceManager = manager;
+    }
+
+    public RequestCreator cache(@Nullable String key) {
+        mCacheKey = Optional.from(key);
+        return this;
+    }
+
+    public RequestCreator expiry(long durationInMillis) {
+        mCacheExpiry = Optional.from(durationInMillis);
+        return this;
+    }
+
+    public RequestCreator acceptDirtyCache(boolean enable) {
+        mAcceptDirtyCache = Optional.from(enable);
+        return this;
+    }
+
+    public RequestCreator retry(RetryPolicy retryPolicy) {
+        mRetryPolicy = Optional.from(retryPolicy);
+        return this;
+    }
+
+    public <T> RequestExecutor<T> notify(RequestListener<T> listener) {
+        return new RequestExecutor<>(this, listener);
+    }
+
+    public <T> void execute(SpiceRequest<T> request) {
+        execute(request, null);
+    }
+
+    <T> void execute(SpiceRequest<T> request, RequestListener<T> listener) {
+        // TODO hand off to SpiceManager
+    }
+}

library/src/main/java/com/anotherdev/android/robospice/RequestExecutor.java

@@ -0,0 +1,23 @@
+package com.anotherdev.android.robospice;
+
+import com.octo.android.robospice.request.SpiceRequest;
+import com.octo.android.robospice.request.listener.RequestListener;
+
+import javax.annotation.Nullable;
+
+public class RequestExecutor<T> {
+
+    private final RequestCreator mCreator;
+
+    private Optional<RequestListener<T>> mListener = Optional.absent();
+
+
+    RequestExecutor(RequestCreator creator, @Nullable RequestListener<T> listener) {
+        mCreator = creator;
+        mListener = Optional.from(listener);
+    }
+
+    public void execute(SpiceRequest<T> request) {
+        mCreator.execute(request, mListener.orNull());
+    }
+}

library/src/main/java/com/anotherdev/android/robospice/RoboSpice.java

@@ -0,0 +1,13 @@
+package com.anotherdev.android.robospice;
+
+import com.octo.android.robospice.SpiceManager;
+
+public class RoboSpice {
+
+    public static RequestCreator with(SpiceManager manager) {
+        return new RequestCreator(manager);
+    }
+
+
+    private RoboSpice() {}
+}