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fix custom mapping file can't be imported issue
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109 changes: 109 additions & 0 deletions
109
LimeStudio/app/src/main/java/net/toload/main/hd/tools/FileUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| package net.toload.main.hd.tools; | ||
|
|
||
| import android.content.Context; | ||
| import android.database.Cursor; | ||
| import android.net.Uri; | ||
| import android.provider.OpenableColumns; | ||
| import android.util.Log; | ||
|
|
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| import java.io.File; | ||
| import java.io.FileNotFoundException; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
|
|
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| public class FileUtil { | ||
| private static final int EOF = -1; | ||
| private static final int DEFAULT_BUFFER_SIZE = 1024 * 4; | ||
|
|
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| private FileUtil() { | ||
|
|
||
| } | ||
|
|
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| public static File from(Context context, Uri uri) throws IOException { | ||
| InputStream inputStream = context.getContentResolver().openInputStream(uri); | ||
| String fileName = getFileName(context, uri); | ||
| String[] splitName = splitFileName(fileName); | ||
| File tempFile = File.createTempFile(splitName[0], splitName[1]); | ||
| tempFile = rename(tempFile, fileName); | ||
| tempFile.deleteOnExit(); | ||
| FileOutputStream out = null; | ||
| try { | ||
| out = new FileOutputStream(tempFile); | ||
| } catch (FileNotFoundException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| if (inputStream != null) { | ||
| copy(inputStream, out); | ||
| inputStream.close(); | ||
| } | ||
|
|
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| if (out != null) { | ||
| out.close(); | ||
| } | ||
| return tempFile; | ||
| } | ||
|
|
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| private static String[] splitFileName(String fileName) { | ||
| String name = fileName; | ||
| String extension = ""; | ||
| int i = fileName.lastIndexOf("."); | ||
| if (i != -1) { | ||
| name = fileName.substring(0, i); | ||
| extension = fileName.substring(i); | ||
| } | ||
|
|
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| return new String[]{name, extension}; | ||
| } | ||
|
|
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| private static String getFileName(Context context, Uri uri) { | ||
| String result = null; | ||
| if (uri.getScheme().equals("content")) { | ||
| Cursor cursor = context.getContentResolver().query(uri, null, null, null, null); | ||
| try { | ||
| if (cursor != null && cursor.moveToFirst()) { | ||
| result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)); | ||
| } | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } finally { | ||
| if (cursor != null) { | ||
| cursor.close(); | ||
| } | ||
| } | ||
| } | ||
| if (result == null) { | ||
| result = uri.getPath(); | ||
| int cut = result.lastIndexOf(File.separator); | ||
| if (cut != -1) { | ||
| result = result.substring(cut + 1); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
|
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| private static File rename(File file, String newName) { | ||
| File newFile = new File(file.getParent(), newName); | ||
| if (!newFile.equals(file)) { | ||
| if (newFile.exists() && newFile.delete()) { | ||
| Log.d("FileUtil", "Delete old " + newName + " file"); | ||
| } | ||
| if (file.renameTo(newFile)) { | ||
| Log.d("FileUtil", "Rename file to " + newName); | ||
| } | ||
| } | ||
| return newFile; | ||
| } | ||
|
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| private static long copy(InputStream input, OutputStream output) throws IOException { | ||
| long count = 0; | ||
| int n; | ||
| byte[] buffer = new byte[DEFAULT_BUFFER_SIZE]; | ||
| while (EOF != (n = input.read(buffer))) { | ||
| output.write(buffer, 0, n); | ||
| count += n; | ||
| } | ||
| return count; | ||
| } | ||
| } |
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