From adb44cd78d63d4ee18e2d963e601e413d777bf5a Mon Sep 17 00:00:00 2001
From: Scott Jackson <daneren2005@gmail.com>
Date: Mon, 23 Dec 2013 23:04:11 -0800
Subject: Convert starred sync to compress serialization since saved paths can
 be large

---
 .../dsub/service/sync/StarredSyncAdapter.java      |  2 +-
 src/github/daneren2005/dsub/util/FileUtil.java     | 47 ++++++++++++++++++++++
 src/github/daneren2005/dsub/util/SyncUtil.java     |  5 ++-
 3 files changed, 52 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/github/daneren2005/dsub/service/sync/StarredSyncAdapter.java b/src/github/daneren2005/dsub/service/sync/StarredSyncAdapter.java
index ff153e33..a363a470 100644
--- a/src/github/daneren2005/dsub/service/sync/StarredSyncAdapter.java
+++ b/src/github/daneren2005/dsub/service/sync/StarredSyncAdapter.java
@@ -75,7 +75,7 @@ public class StarredSyncAdapter extends SubsonicSyncAdapter {
 				}
 			}
 
-			FileUtil.serialize(context, syncedList, SyncUtil.getStarredSyncFile(context, instance));
+			SyncUtil.setSyncedStarred(syncedList, context, instance);
 			if(updated) {
 				SyncUtil.showSyncNotification(context, R.string.sync_new_starred, null);
 			}
diff --git a/src/github/daneren2005/dsub/util/FileUtil.java b/src/github/daneren2005/dsub/util/FileUtil.java
index 852fc2ab..3adf3ad4 100644
--- a/src/github/daneren2005/dsub/util/FileUtil.java
+++ b/src/github/daneren2005/dsub/util/FileUtil.java
@@ -30,10 +30,15 @@ import java.util.SortedSet;
 import java.util.TreeSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.zip.DeflaterInputStream;
+import java.util.zip.DeflaterOutputStream;
+import java.util.zip.InflaterInputStream;
 
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.os.Build;
 import android.os.Environment;
 import android.util.Log;
 import github.daneren2005.dsub.domain.Artist;
@@ -426,4 +431,46 @@ public class FileUtil {
 			}
 		}
     }
+
+	public static <T extends Serializable> boolean serializeCompressed(Context context, T obj, String fileName) {
+		synchronized (kryo) {
+			Output out = null;
+			try {
+				RandomAccessFile file = new RandomAccessFile(context.getCacheDir() + "/" + fileName, "rw");
+				out = new Output(new DeflaterOutputStream(new FileOutputStream(file.getFD())));
+				kryo.writeObject(out, obj);
+				Log.i(TAG, "Serialized compressed object to " + fileName);
+				return true;
+			} catch (Throwable x) {
+				Log.w(TAG, "Failed to serialize compressed object to " + fileName);
+				return false;
+			} finally {
+				Util.close(out);
+			}
+		}
+	}
+
+	@TargetApi(Build.VERSION_CODES.GINGERBREAD)
+	public static <T extends Serializable> T deserializeCompressed(Context context, String fileName, Class<T> tClass) {
+		synchronized (kryo) {
+			Input in = null;
+			try {
+				RandomAccessFile file = new RandomAccessFile(context.getCacheDir() + "/" + fileName, "r");
+
+				in = new Input(new InflaterInputStream(new FileInputStream(file.getFD())));
+				T result = (T) kryo.readObject(in, tClass);
+				Log.i(TAG, "Deserialized compressed object from " + fileName);
+				return result;
+			} catch(FileNotFoundException e) {
+				// Different error message
+				Log.w(TAG, "No serialization compressed for object from " + fileName);
+				return null;
+			} catch (Throwable x) {
+				Log.w(TAG, "Failed to deserialize compressed object from " + fileName, x);
+				return null;
+			} finally {
+				Util.close(in);
+			}
+		}
+	}
 }
diff --git a/src/github/daneren2005/dsub/util/SyncUtil.java b/src/github/daneren2005/dsub/util/SyncUtil.java
index 09e87da9..21aaaccc 100644
--- a/src/github/daneren2005/dsub/util/SyncUtil.java
+++ b/src/github/daneren2005/dsub/util/SyncUtil.java
@@ -119,12 +119,15 @@ public final class SyncUtil {
 	
 	// Starred
 	public static ArrayList<String> getSyncedStarred(Context context, int instance) {
-		ArrayList<String> list = FileUtil.deserialize(context, getStarredSyncFile(context, instance), ArrayList.class);
+		ArrayList<String> list = FileUtil.deserializeCompressed(context, getStarredSyncFile(context, instance), ArrayList.class);
 		if(list == null) {
 			list = new ArrayList<String>();
 		}
 		return list;
 	}
+	public static void setSyncedStarred(ArrayList<String> syncedList, Context context, int instance) {
+		FileUtil.serializeCompressed(context, syncedList, SyncUtil.getStarredSyncFile(context, instance));
+	}
 	public static String getStarredSyncFile(Context context, int instance) {
 		return "sync-starred-" + (Util.getRestUrl(context, null, instance)).hashCode() + ".ser";
 	}
-- 
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