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react-native-fs
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Android part - untested yet

This commit is contained in:
Mike Grabowski 2016-05-14 22:53:51 +02:00
parent e12cc5a95d
commit 3f0f291002
1 changed files with 36 additions and 50 deletions
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86
android/src/main/java/com/rnfs/RNFSManager.java
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@ -1,35 +1,24 @@
package com.rnfs;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import java.util.ArrayList;
import android.os.Environment;
import android.os.AsyncTask;
import android.os.StatFs;
import android.util.Base64;
import android.content.Context;
import android.support.annotation.Nullable;
import android.util.SparseArray;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.Promise;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.bridge.Arguments;
@ -59,7 +48,7 @@ public class RNFSManager extends ReactContextBaseJavaModule {
}
@ReactMethod
public void writeFile(String filepath, String base64Content, ReadableMap options, Callback callback) {
public void writeFile(String filepath, String base64Content, ReadableMap options, Promise promise) {
try {
byte[] bytes = Base64.decode(base64Content, Base64.DEFAULT);
@ -67,26 +56,26 @@ public class RNFSManager extends ReactContextBaseJavaModule {
outputStream.write(bytes);
outputStream.close();
callback.invoke(null, true, filepath);
promise.resolve(filepath);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ReactMethod
public void exists(String filepath, Callback callback) {
public void exists(String filepath, Promise promise) {
try {
File file = new File(filepath);
callback.invoke(null, file.exists());
promise.resolve(file.exists());
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ReactMethod
public void readFile(String filepath, Callback callback) {
public void readFile(String filepath, Promise promise) {
try {
File file = new File(filepath);
@ -98,29 +87,29 @@ public class RNFSManager extends ReactContextBaseJavaModule {
String base64Content = Base64.encodeToString(buffer, Base64.NO_WRAP);
callback.invoke(null, base64Content);
promise.resolve(base64Content);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ReactMethod
public void moveFile(String filepath, String destPath, Callback callback) {
public void moveFile(String filepath, String destPath, Promise promise) {
try {
File from = new File(filepath);
File to = new File(destPath);
from.renameTo(to);
callback.invoke(null, true, destPath);
promise.resolve(true);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ReactMethod
public void readDir(String directory, Callback callback) {
public void readDir(String directory, Promise promise) {
try {
File file = new File(directory);
@ -141,16 +130,15 @@ public class RNFSManager extends ReactContextBaseJavaModule {
fileMaps.pushMap(fileMap);
}
callback.invoke(null, fileMaps);
promise.resolve(fileMaps);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ReactMethod
public void stat(String filepath, Callback callback) {
public void stat(String filepath, Promise promise) {
try {
File file = new File(filepath);
@ -163,15 +151,15 @@ public class RNFSManager extends ReactContextBaseJavaModule {
statMap.putInt("size", (int)file.length());
statMap.putInt("type", file.isDirectory() ? 1 : 0);
callback.invoke(null, statMap);
promise.resolve(statMap);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ReactMethod
public void unlink(String filepath, Callback callback) {
public void unlink(String filepath, Promise promise) {
try {
File file = new File(filepath);
@ -179,10 +167,10 @@ public class RNFSManager extends ReactContextBaseJavaModule {
boolean success = DeleteRecursive(file);
callback.invoke(null, success, filepath);
promise.resolve(success);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ -197,7 +185,7 @@ public class RNFSManager extends ReactContextBaseJavaModule {
}
@ReactMethod
public void mkdir(String filepath, Boolean excludeFromBackup, Callback callback) {
public void mkdir(String filepath, Boolean excludeFromBackup, Promise promise) {
try {
File file = new File(filepath);
@ -205,21 +193,21 @@ public class RNFSManager extends ReactContextBaseJavaModule {
boolean success = file.exists();
callback.invoke(null, success, filepath);
promise.resolve(success);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
private void sendEvent(ReactContext reactContext, String eventName, @Nullable WritableMap params) {
reactContext
.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class)
.emit(eventName, params);
.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class)
.emit(eventName, params);
}
@ReactMethod
public void downloadFile(String urlStr, final String filepath, final int jobId, final Callback callback) {
public void downloadFile(String urlStr, final String filepath, final int jobId, final Promise promise) {
try {
File file = new File(filepath);
URL url = new URL(urlStr);
@ -238,9 +226,9 @@ public class RNFSManager extends ReactContextBaseJavaModule {
infoMap.putInt("statusCode", res.statusCode);
infoMap.putInt("bytesWritten", res.bytesWritten);
callback.invoke(null, infoMap);
promise.resolve(infoMap);
} else {
callback.invoke(makeErrorPayload(res.exception));
reject(promise, ex);
}
}
};
@ -283,7 +271,7 @@ public class RNFSManager extends ReactContextBaseJavaModule {
this.downloaders.put(jobId, downloader);
} catch (Exception ex) {
ex.printStackTrace();
callback.invoke(makeErrorPayload(ex));
reject(promise, ex);
}
}
@ -297,12 +285,12 @@ public class RNFSManager extends ReactContextBaseJavaModule {
}
@ReactMethod
public void pathForBundle(String bundleNamed, Callback callback) {
public void pathForBundle(String bundleNamed, Promise promise) {
// TODO: Not sure what equilivent would be?
}
@ReactMethod
public void getFSInfo(Callback callback) {
public void getFSInfo(Promise promise) {
File path = Environment.getDataDirectory();
StatFs stat = new StatFs(path.getPath());
long totalSpace;
@ -318,13 +306,11 @@ public class RNFSManager extends ReactContextBaseJavaModule {
WritableMap info = Arguments.createMap();
info.putDouble("totalSpace", (double)totalSpace); // Int32 too small, must use Double
info.putDouble("freeSpace", (double)freeSpace);
callback.invoke(null, info);
promise.resolve(info);
}
private WritableMap makeErrorPayload(Exception ex) {
WritableMap error = Arguments.createMap();
error.putString("message", ex.getMessage());
return error;
private void reject(Promise promise, Exception ex) {
promise.reject(ex.getClass().getSimpleName(), ex.getMessage());
}
@Override