Java tutorial
/* * Copyright (c) 2018 Nuvolect LLC. * This software is offered for free under conditions of the GPLv3 open source software license. * Contact Nuvolect LLC for a less restrictive commercial license if you would like to use the software * without the GPLv3 restrictions. */ package com.nuvolect.deepdive.util; // //TODO create class description // import android.content.Context; import org.apache.commons.io.FileUtils; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class FileUtil { public static String readFile(Context ctx, File file) { return readFile(file); } public static String readFile(File file) { String fileContents = ""; StringBuilder sb = new StringBuilder(); try { InputStream is = new FileInputStream(file); byte[] buffer = new byte[4096]; int len; while ((len = is.read(buffer)) > 0) { String s = new String(buffer, 0, len, "UTF-8"); sb.append(s); } fileContents = sb.toString(); if (is != null) is.close(); } catch (FileNotFoundException e) { LogUtil.logException(FileUtil.class, e); } catch (IOException e) { e.printStackTrace(); } return fileContents; } public static void writeFile(File file, String fileContents) { try { OutputStream out = null; FileUtils.forceMkdirParent(file); out = new BufferedOutputStream(new FileOutputStream(file)); out.write(fileContents.getBytes()); if (out != null) out.close(); } catch (IOException e) { LogUtil.log(FileUtil.class, "File write failed: " + e.toString()); } } }