preserve filename case in Dropbox when uploading files, closes https://github.com/PhilippC/keepass2android/issues/898

src/java/JavaFileStorage/app/src/main/java/keepass2android/javafilestorage/DropboxV2Storage.java

@@ -192,7 +192,30 @@ public class DropboxV2Storage extends JavaFileStorageBase
     {
         ByteArrayInputStream bis = new ByteArrayInputStream(data);
         try {
-            path = removeProtocol(path);
+
+            //try to get the file id from the path and use that to create the uploadBuilder. This should preserve the case of the path.
+            String id = null;
+
+            try {
+                id = getFileEntry(path).userData;
+            }
+            catch (Exception e)
+            {
+                //ignore. file might not exist yet.
+            }
+
+            if (id != null && id.length() > 0)
+            {
+                path = id;
+            }
+            else
+            {
+                path = removeProtocol(path);
+            }
+
+
+
+
 
             dbxClient.files().uploadBuilder(path).withMode(WriteMode.OVERWRITE).uploadAndFinish(bis);
 
@@ -416,6 +439,7 @@ public class DropboxV2Storage extends JavaFileStorageBase
             fileEntry.sizeInBytes = fm.getSize();
             fileEntry.isDirectory = false;
             fileEntry.lastModifiedTime = fm.getServerModified().getTime();
+            fileEntry.userData = fm.getId();
         }
         else if (e instanceof DeletedMetadata)
         {
@@ -428,6 +452,7 @@ public class DropboxV2Storage extends JavaFileStorageBase
 
         fileEntry.path = getProtocolId()+"://"+ e.getPathLower();
         fileEntry.displayName = e.getName();
+
         //Log.d("JFS","fileEntry="+fileEntry);
         //Log.d("JFS","Ok. Dir="+fileEntry.isDirectory);
         return fileEntry;

src/java/JavaFileStorage/app/src/main/java/keepass2android/javafilestorage/JavaFileStorage.java

@@ -49,6 +49,8 @@ public class FileEntry {
 	public long sizeInBytes;
 	public String displayName;
 
+	public String userData; //can be set by the storage implementation
+	
 	public FileEntry()
 	{
 		isDirectory = false;

src/java/JavaFileStorageTest-AS/app/src/main/java/com/crocoapps/javafilestoragetest/MainActivity.java

@@ -557,7 +557,7 @@ public class MainActivity extends Activity implements JavaFileStorage.FileStorag
 			}
 		});*/
 
-		storageToTest =  new DropboxV2Storage(ctx,"4ybka4p4a1027n6", "3s86datjhkihwyc", !simulateRestart);
+		storageToTest =  new DropboxV2Storage(ctx,"4ybka4p4a1027n6", "1z5lv528un9nre8", !simulateRestart);
 		//storageToTest =  new DropboxFileStorage(ctx,"4ybka4p4a1027n6", "1z5lv528un9nre8", !simulateRestart);
 		//storageToTest = new DropboxAppFolderFileStorage(ctx,"ax0268uydp1ya57", "3s86datjhkihwyc", true);