61 lines
1.5 KiB
Java
61 lines
1.5 KiB
Java
package org.mian.gitnex.helpers.attachments;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.provider.OpenableColumns;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* @author M M Arif
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*/
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public class AttachmentUtils {
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public static File getFile(Context ctx, Uri uri) {
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File destinationFilename;
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try {
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destinationFilename =
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new File(
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ctx.getFilesDir().getPath() + File.separatorChar + queryName(ctx, uri));
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} catch (AssertionError e) {
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destinationFilename = new File(uri.getPath());
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}
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try (InputStream ins = ctx.getContentResolver().openInputStream(uri)) {
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createFileFromStream(ins, destinationFilename);
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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return destinationFilename;
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}
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public static String queryName(Context ctx, Uri uri) {
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Cursor returnCursor = ctx.getContentResolver().query(uri, null, null, null, null);
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assert returnCursor != null;
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int nameIndex = returnCursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
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returnCursor.moveToFirst();
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String name = returnCursor.getString(nameIndex);
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returnCursor.close();
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return name;
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}
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public static void createFileFromStream(InputStream ins, File destination) {
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try (OutputStream os = new FileOutputStream(destination)) {
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byte[] buffer = new byte[4096];
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int length;
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while ((length = ins.read(buffer)) > 0) {
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os.write(buffer, 0, length);
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}
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os.flush();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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