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https://github.com/simon987/Much-Assembly-Required.git
synced 2025-04-19 10:36:43 +00:00
Fixes #68 & Reformatted code
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simon
parent
fd73a47796
commit
fe0be03ab8
@ -1,5 +1,7 @@
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package net.simon987.server.io;
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import net.simon987.server.logging.LogManager;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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@ -11,176 +13,172 @@ import java.util.zip.ZipOutputStream;
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public class FileUtils {
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private static final int BUFFER_SIZE = 1024;
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private static final String STR_ENCODING = "UTF-8";
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private static final String DATE_FORMAT = "yyyyMMddHHmmss";
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private static final String FILE_TYPE = ".zip";
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private static final Path ROOT_DIR;
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private static final String DIR_NAME = "history";
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public static final Path DIR_PATH;
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static {
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ROOT_DIR = Paths.get(".").normalize();
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DIR_PATH = ROOT_DIR.resolve(DIR_NAME);
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}
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//Private constructor
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private FileUtils() {
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}
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/**
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* Creates a new stamp containing the current date and time
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*
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* @return date and time stamp
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*/
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private static String getDateTimeStamp() {
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Date millisToDate = new Date(System.currentTimeMillis());
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SimpleDateFormat f = new SimpleDateFormat(DATE_FORMAT);
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return f.format(millisToDate);
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}
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private static final int BUFFER_SIZE = 1024;
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private static final String STR_ENCODING = "UTF-8";
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private static final String DATE_FORMAT = "yyyyMMddHHmmss";
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private static final String FILE_TYPE = ".zip";
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private static final Path ROOT_DIR;
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private static final String DIR_NAME = "history";
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public static final Path DIR_PATH;
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/**
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* Created a directory if none exists with the specified name
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*
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static {
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ROOT_DIR = Paths.get(".").normalize();
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DIR_PATH = ROOT_DIR.resolve(DIR_NAME);
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}
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//Private constructor
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private FileUtils() {
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}
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/**
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* Creates a new stamp containing the current date and time
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*
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* @return date and time stamp
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*/
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private static String getDateTimeStamp() {
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Date millisToDate = new Date(System.currentTimeMillis());
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SimpleDateFormat f = new SimpleDateFormat(DATE_FORMAT);
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return f.format(millisToDate);
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}
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/**
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* Created a directory if none exists with the specified name
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*
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* @param directory folder to create
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* @return true is the file exists or create operation is successful
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*/
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public static boolean prepDirectory(Path directory) {
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File file = directory.toFile();
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//If the directory exists or the directory created successfully return true
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if(file.exists() || file.mkdir()) {
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return true;
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} else {
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System.out.println("Error creating directory: " + file.toString());
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return false;
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}
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}
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/**
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* Converts a file into an array of bytes
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*
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*/
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public static boolean prepDirectory(Path directory) {
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File file = directory.toFile();
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//If the directory exists or the directory created successfully return true
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if (file.exists() || file.mkdir()) {
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return true;
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} else {
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System.out.println("Error creating directory: " + file.toString());
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return false;
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}
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}
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/**
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* Converts a file into an array of bytes
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*
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* @param path the file to be converted into bytes
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* @return the byte array of the given file
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*/
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public static byte[] bytifyFile(Path path) {
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byte[] bytes = null;
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*/
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public static byte[] bytifyFile(Path path) {
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byte[] bytes = null;
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try {
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bytes = Files.readAllBytes(path);
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try {
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bytes = Files.readAllBytes(path);
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} catch (IOException e) {
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System.out.println("Failed to extract bytes from: " + path);
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e.printStackTrace();
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}
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} catch (IOException e) {
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System.out.println("Failed to extract bytes from: " + path);
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e.printStackTrace();
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}
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return bytes;
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}
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return bytes;
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}
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/**
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* Takes in a file that had been converted to a byte[] to be written to a new
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* zip file
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*
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/**
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* Takes in a file that had been converted to a byte[] to be written to a new
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* zip file
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*
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* @param data
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* contains data in byte array form to be written, typically a file
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* that has been converted with bytifyFile()
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* @throws IOException
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* if an error occurs during the write process
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*/
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public static void writeSaveToZip(String name, byte[] data) throws IOException {
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* that has been converted with bytifyFile()
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* @throws IOException
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* if an error occurs during the write process
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*/
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public static void writeSaveToZip(String name, byte[] data) throws IOException {
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String newFile = DIR_PATH.resolve(getDateTimeStamp() + FILE_TYPE).toString();
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FileOutputStream output = new FileOutputStream(newFile);
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ZipOutputStream stream = new ZipOutputStream(output);
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byte[] buffer = new byte[BUFFER_SIZE];
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ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
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String newFile = DIR_PATH.resolve(getDateTimeStamp() + FILE_TYPE).toString();
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FileOutputStream output = new FileOutputStream(newFile);
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ZipOutputStream stream = new ZipOutputStream(output);
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byte[] buffer = new byte[BUFFER_SIZE];
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ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
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while ((bais.read(buffer)) > -1) {
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// File name
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ZipEntry entry = new ZipEntry(name);
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// Set to start of next entry in the stream.
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stream.putNextEntry(entry);
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// Data to write.
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stream.write(data);
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// Close the current entry.
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stream.closeEntry();
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}
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while ((bais.read(buffer)) > -1) {
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// File name
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ZipEntry entry = new ZipEntry(name);
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// Set to start of next entry in the stream.
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stream.putNextEntry(entry);
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// Data to write.
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stream.write(data);
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// Close the current entry.
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stream.closeEntry();
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}
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stream.close();
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output.close();
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}
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public static void cleanHistory(int size) {
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File[] files = new File(DIR_PATH.toString()).listFiles();
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File[] sorted = new File[size];
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File nextSortedFile = null;
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File currentFile = null;
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boolean changed = false;
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for(int i = 0; i < files.length / 2; i++) {
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currentFile = files[i];
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files[i] = files[files.length - i - 1];
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files[files.length - i - 1] = currentFile;
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}
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currentFile = null;
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for(int f = 0; f < files.length; f++) {
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changed = false;
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long dirFile = Long.parseLong(files[f].getName().substring(0, (files[f].getName().length() -4)));
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if(f < size && sorted[f] == null) {
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sorted[f] = files[f];
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} else {
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for(int s = 0; s < sorted.length; s++) {
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long sortedFile = Long.parseLong(sorted[s].getName().substring(0, (sorted[s].getName().length() -4)));
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if(dirFile > sortedFile) {
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if(s == sorted.length - 1) {
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sorted[s] = files[f];
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} else if(nextSortedFile == null) {
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nextSortedFile = sorted[s];
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sorted[s] = files[f];
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} else {
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currentFile = sorted[s];
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sorted[s] = nextSortedFile;
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nextSortedFile = currentFile;
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}
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nextSortedFile = null;
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currentFile = null;
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changed = true;
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}
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}
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if(changed == false) {
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files[f].delete();
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}
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}
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}
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stream.close();
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output.close();
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}
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}
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/**
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* Converts a byte array into human readable format using the provided encoding
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*
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* @param bytes
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* data to be encoded to String
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* @return a String containing the encoded bytes
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*/
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public static String byteArrAsString(byte[] bytes) throws UnsupportedEncodingException {
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return new String(bytes, STR_ENCODING);
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}
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public static void cleanHistory(int size) {
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File[] files = new File(DIR_PATH.toString()).listFiles();
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File[] sorted = new File[size];
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File currentFile;
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boolean changed;
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if (files != null) {
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for (int i = 0; i < files.length / 2; i++) {
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currentFile = files[i];
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files[i] = files[files.length - i - 1];
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files[files.length - i - 1] = currentFile;
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}
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for (int f = 0; f < files.length; f++) {
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changed = false;
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try {
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long dirFile = Long.parseLong(files[f].getName().substring(0, (files[f].getName().length() - 4)));
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if (f < size && sorted[f] == null) {
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sorted[f] = files[f];
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} else {
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for (int s = 0; s < sorted.length; s++) {
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long sortedFile = Long.parseLong(sorted[s].getName().substring(0, (sorted[s].getName().length() - 4)));
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if (dirFile > sortedFile) {
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if (s == sorted.length - 1) {
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sorted[s] = files[f];
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} else {
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sorted[s] = files[f];
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}
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changed = true;
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}
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}
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if (!changed) {
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files[f].delete();
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}
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}
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} catch (NumberFormatException e) {
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LogManager.LOGGER.info("Non-save file in history directory: " + files[f].getName());
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}
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}
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}
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}
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/**
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* Converts a byte array into human readable format using the provided encoding
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*
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* @param bytes data to be encoded to String
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* @return a String containing the encoded bytes
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*/
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public static String byteArrAsString(byte[] bytes) throws UnsupportedEncodingException {
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return new String(bytes, STR_ENCODING);
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}
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}
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