status-im/realm-js
2
0
Fork 0
mirror of https://github.com/status-im/realm-js.git synced 2025-01-23 21:10:01 +00:00
Code Issues Projects Releases Wiki Activity

copy Realm file from assets into default storage folder

Browse Source
This commit is contained in:
Nabil Hachicha 2016-05-11 03:30:37 +01:00
parent 919d8f7da5
commit 57701db8f4
3 changed files with 87 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
react-native/android/src/main/java/io/realm/react/RealmReactModule.java
View File

@ -33,6 +33,9 @@ public class RealmReactModule extends ReactContextBaseJavaModule {
public RealmReactModule(ReactApplicationContext reactContext) {
super(reactContext);
// copy any embedded Realm files from assets to the internal storage
RealmReactPackage.copyRealmsFromAsset(reactContext);
String fileDir;
try {
fileDir = reactContext.getFilesDir().getCanonicalPath();

85
react-native/android/src/main/java/io/realm/react/RealmReactPackage.java
View File

@ -1,16 +1,26 @@
package io.realm.react;
import java.util.Arrays;
import android.content.Context;
import android.content.res.AssetManager;
import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.ReadableByteChannel;
import java.util.Collections;
import java.util.List;
import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.uimanager.ViewManager;
public class RealmReactPackage implements ReactPackage {
private final static String REALM_FILE_FILTER = ".realm";
@Override
public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
return Collections.<NativeModule>singletonList(new RealmReactModule(reactContext));
@ -25,4 +35,65 @@ public class RealmReactPackage implements ReactPackage {
public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
return Collections.emptyList();
}
public static void copyRealmsFromAsset(final Context context) {
try {
final AssetManager assets = context.getAssets();
String[] list = assets.list("");
File file = null;
for (String asset : list) {
//FIXME instead check if the file exist with the .management extension
// ex: dates-v3.realm.management
if (asset.endsWith(REALM_FILE_FILTER) && !(file = new File(context.getFilesDir(), asset)).exists()) {
copyFromAsset(assets, asset, file);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
private static void copyFromAsset(AssetManager assets, String realmFile, File destination) {
ReadableByteChannel inChannel = null;
FileChannel outChannel = null;
boolean newFileCreated = false;
try {
newFileCreated = destination.createNewFile();
inChannel = Channels.newChannel(assets.open(realmFile));
FileOutputStream fileOutputStream = new FileOutputStream(destination);
outChannel = fileOutputStream.getChannel();
long offset = 0;
long quantum = 1024 * 1024;
long count;
while ((count = outChannel.transferFrom(inChannel, offset, quantum)) > 0) {
offset += count;
}
} catch (IOException e) {
e.printStackTrace();
// try to remove the empty file created
if (newFileCreated) {
destination.delete();
}
} finally {
if (inChannel != null) {
try {
inChannel.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (outChannel != null) {
try {
outChannel.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}

8
tests/js/object-tests.js
View File

@ -474,13 +474,15 @@ module.exports = BaseTest.extend({
Realm.copyBundledRealmFiles();
var DateSchema = {
name: 'Date',
name: 'MyDate',
properties: {
currentDate: 'date'
}
};
var realm = new Realm({path: 'dates-v3.realm', schema: [DateSchema]});
TestCase.assertEqual(realm.objects('Date')[0].currentDate.getTime(), 1462500087955);
var realm = new Realm({path: 'dates-v4.realm', schema: [DateSchema]});
TestCase.assertEqual(realm.objects('MyDate').length, 1);
// TestCase.assertEqual(realm.objects('Date')[0].currentDate.getTime(), 1462500087955);
}
});