[android] Add OfflineManager.putResourceForURL

Useful for pre-warming the ambient cache

2 files changed, 35 insertions, 1 deletions

diff --git a/platform/android/src/offline/offline_manager.cpp b/platform/android/src/offline/offline_manager.cpp
index c6432f766a..07e10d4c81 100644
--- a/platform/android/src/offline/offline_manager.cpp
+++ b/platform/android/src/offline/offline_manager.cpp
@@ -121,7 +121,8 @@ void OfflineManager::registerNative(jni::JNIEnv& env) {
         METHOD(&OfflineManager::setOfflineMapboxTileCountLimit, "setOfflineMapboxTileCountLimit"),
         METHOD(&OfflineManager::listOfflineRegions, "listOfflineRegions"),
         METHOD(&OfflineManager::createOfflineRegion, "createOfflineRegion"),
-        METHOD(&OfflineManager::mergeOfflineRegions, "mergeOfflineRegions"));
+        METHOD(&OfflineManager::mergeOfflineRegions, "mergeOfflineRegions"),
+        METHOD(&OfflineManager::putResourceWithUrl, "putResourceWithUrl"));
 }
 
 // OfflineManager::ListOfflineRegionsCallback //
@@ -201,5 +202,30 @@ void OfflineManager::MergeOfflineRegionsCallback::onMerge(jni::JNIEnv& env,
     callback.Call(env, method, jregions);
 }
 
+void OfflineManager::putResourceWithUrl(jni::JNIEnv& env,
+                                        const jni::String& url_,
+                                        const jni::Array<jni::jbyte>& arr,
+                                        jlong modified,
+                                        jlong expires,
+                                        const jni::String& eTag_) {
+    auto url =  jni::Make<std::string>(env, url_);
+    auto data = std::make_shared<std::string>(arr.Length(env), char());
+    jni::GetArrayRegion(env, *arr, 0, data->size(), reinterpret_cast<jbyte*>(&(*data)[0]));
+    mbgl::Resource resource(mbgl::Resource::Kind::Unknown, url);
+    mbgl::Response response;
+    response.data = data;
+    if (eTag_) {
+        response.etag = jni::Make<std::string>(env, eTag_);
+    }
+    if (modified > 0) {
+        response.modified = Timestamp(mbgl::Seconds(modified));
+    }
+    if (expires > 0) {
+        response.expires = Timestamp(mbgl::Seconds(expires));
+    }
+
+    fileSource.put(resource, response);
+}
+
 } // namespace android
 } // namespace mbgl
diff --git a/platform/android/src/offline/offline_manager.hpp b/platform/android/src/offline/offline_manager.hpp
index b2ebc63a63..52c9ab70a0 100644
--- a/platform/android/src/offline/offline_manager.hpp
+++ b/platform/android/src/offline/offline_manager.hpp
@@ -75,6 +75,14 @@ public:
                              const jni::String&,
                              const jni::Object<MergeOfflineRegionsCallback>&);
 
+    void putResourceWithUrl(jni::JNIEnv&,
+                            const jni::String& url,
+                            const jni::Array<jni::jbyte>& data,
+                            jlong modified,
+                            jlong expires,
+                            const jni::String& eTag);
+
+
 private:
     mbgl::DefaultFileSource& fileSource;
 };