Renderers and dagger, refactoring CW.

1 files changed, 120 insertions, 0 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java b/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java
new file mode 100644
index 00000000..59507d9c
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java
@@ -0,0 +1,120 @@
+package se.leap.bitmaskclient;
+
+import android.content.res.AssetManager;
+
+import com.pedrogomez.renderers.AdapteeCollection;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * Created by parmegv on 4/12/14.
+ */
+public class ProviderManager implements AdapteeCollection<Provider> {
+
+    private AssetManager assets_manager;
+    private Set<Provider> default_providers;
+    private Set<Provider> custom_providers;
+
+    final protected static String URLS = "urls";
+
+    public ProviderManager(AssetManager assets_manager) {
+        this.assets_manager = assets_manager;
+        default_providers = default_providers();
+        custom_providers = new HashSet<Provider>();
+    }
+
+    /**
+     * Loads providers data from url files contained in the assets folder
+     * @return true if the files were correctly read
+     */
+    private Set<Provider> default_providers() {
+        Set<Provider> providers = new HashSet<Provider>();
+        try {
+            for(String file : assets_manager.list(URLS)) {
+                String main_url = extractProviderMainUrlFromAssetsFile(URLS + "/" + file);
+                providers.add(new Provider(new URL(main_url)));
+            }
+        } catch (MalformedURLException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return providers;
+    }
+
+    private String extractProviderMainUrlFromAssetsFile(String file_path) {
+        String provider_main_url = "";
+        try {
+            InputStream input_stream_file_contents = assets_manager.open(file_path);
+            byte[] urls_file_bytes = new byte[input_stream_file_contents.available()];
+            if(input_stream_file_contents.read(urls_file_bytes) > 0) {
+                String urls_file_content = new String(urls_file_bytes);
+                JSONObject file_contents = new JSONObject(urls_file_content);
+                provider_main_url = file_contents.getString(Provider.MAIN_URL);
+            }
+        } catch (JSONException e) {
+        } catch (IOException e) {
+        }
+        return provider_main_url;
+    }
+
+    public Set<Provider> providers() {
+        Set<Provider> all_providers = new HashSet<Provider>();
+        all_providers.addAll(default_providers);
+        all_providers.addAll(custom_providers);
+        return all_providers;
+    }
+
+    @Override
+    public int size() {
+        return providers().size();
+    }
+
+    @Override
+    public Provider get(int index) {
+        Iterator<Provider> iterator = providers().iterator();
+        while(iterator.hasNext() && index > 0) {
+            iterator.next();
+            index--;
+        }
+        return iterator.next();
+    }
+
+    @Override
+    public void add(Provider element) {
+        custom_providers.add(element);
+    }
+
+    @Override
+    public void remove(Provider element) {
+        custom_providers.remove(element);
+    }
+
+    @Override
+    public void addAll(Collection<Provider> elements) {
+        custom_providers.addAll(elements);
+    }
+
+    @Override
+    public void removeAll(Collection<Provider> elements) {
+        custom_providers.removeAll(elements);
+        default_providers.removeAll(elements);
+    }
+
+    @Override
+    public void clear() {
+        default_providers.clear();
+        custom_providers.clear();
+    }
+}