1 files changed, 69 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/service/download/Downloader.java b/app/src/main/java/de/danoeh/antennapod/service/download/Downloader.java
new file mode 100644
index 000000000..80cc5b3f8
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/service/download/Downloader.java
@@ -0,0 +1,69 @@
+package de.danoeh.antennapod.service.download;
+
+import android.content.Context;
+import android.net.wifi.WifiManager;
+import de.danoeh.antennapod.PodcastApp;
+import de.danoeh.antennapod.R;
+
+import java.util.concurrent.Callable;
+
+/** Downloads files */
+public abstract class Downloader implements Callable<Downloader> {
+	private static final String TAG = "Downloader";
+
+	protected volatile boolean finished;
+
+	protected volatile boolean cancelled;
+
+	protected DownloadRequest request;
+	protected DownloadStatus result;
+
+	public Downloader(DownloadRequest request) {
+		super();
+		this.request = request;
+		this.request.setStatusMsg(R.string.download_pending);
+		this.cancelled = false;
+        this.result = new DownloadStatus(request, null, false, false, null);
+	}
+
+	protected abstract void download();
+
+	public final Downloader call() {
+        WifiManager wifiManager = (WifiManager) PodcastApp.getInstance().getSystemService(Context.WIFI_SERVICE);
+        WifiManager.WifiLock wifiLock = null;
+        if (wifiManager != null) {
+            wifiLock = wifiManager.createWifiLock(TAG);
+            wifiLock.acquire();
+        }
+
+		download();
+
+        if (wifiLock != null) {
+            wifiLock.release();
+        }
+
+		if (result == null) {
+			throw new IllegalStateException(
+					"Downloader hasn't created DownloadStatus object");
+		}
+        finished = true;
+		return this;
+	}
+
+	public DownloadRequest getDownloadRequest() {
+		return request;
+	}
+
+	public DownloadStatus getResult() {
+		return result;
+	}
+
+	public boolean isFinished() {
+		return finished;
+	}
+
+	public void cancel() {
+		cancelled = true;
+	}
+
+}
+\ No newline at end of file