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ns-usbloader
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Finish split-merge files backend functionality

master
Dmitry Isaenko 2020-01-24 00:02:47 +03:00
parent d00b914214
commit 98155bc1f8
2 changed files with 190 additions and 41 deletions
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42
src/main/java/nsusbloader/Controllers/SplitMergeController.java
View File

@ -1,5 +1,6 @@
package nsusbloader.Controllers;
import javafx.concurrent.Task;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
@ -106,25 +107,52 @@ public class SplitMergeController implements Initializable {
ServiceWindow.getErrorNotification(resourceBundle.getString("windowTitleError"), resourceBundle.getString("windowBodyPleaseFinishTransfersFirst"));
return;
}
MediatorControl.getInstance().setTransferActive(true);
/*
if (splitRad.isSelected()){
SplitMergeTool.splitFile(fileFolderActualPathLbl.getText(), saveToPathLbl.getText());
System.out.println("split");
updateProcess(true);
Task<Void> task = SplitMergeTool.splitFile(fileFolderActualPathLbl.getText(), saveToPathLbl.getText());
task.setOnSucceeded(workerStateEvent -> this.updateProcess(false));
Thread thread = new Thread(task);
thread.setDaemon(true);
thread.start();
}
else{
System.out.println("merge");
SplitMergeTool.mergeFile(fileFolderActualPathLbl.getText(), saveToPathLbl.getText());
updateProcess(true);
Task<Void> task = SplitMergeTool.mergeFile(fileFolderActualPathLbl.getText(), saveToPathLbl.getText());
task.setOnSucceeded(workerStateEvent -> this.updateProcess(false));
Thread thread = new Thread(task);
thread.setDaemon(true);
thread.start();
}
*/
});
}
private void updateProcess(boolean isStart){
if (isStart){
MediatorControl.getInstance().getContoller().logArea.clear();
MediatorControl.getInstance().setTransferActive(true); // TODO: remove & rewrite to interrupt function
convertBtn.setDisable(true);// TODO: remove & rewrite to interrupt function
splitRad.setDisable(true);
mergeRad.setDisable(true);
selectFileFolderBtn.setDisable(true);
changeSaveToBtn.setDisable(true);
return;
}
MediatorControl.getInstance().setTransferActive(false);
convertBtn.setDisable(false);// TODO: remove & rewrite to interrupt function
splitRad.setDisable(false);
mergeRad.setDisable(false);
selectFileFolderBtn.setDisable(false);
changeSaveToBtn.setDisable(false);
}
public void updatePreferencesOnExit(){
if (splitRad.isSelected())
AppPreferences.getInstance().setSplitMergeType(0);
else
AppPreferences.getInstance().setSplitMergeType(1);
AppPreferences.getInstance().setSplitMergeRecent(saveToPathLbl.getText());
}
}

189
src/main/java/nsusbloader/Utilities/SplitMergeTool.java
View File

@ -1,23 +1,42 @@
package nsusbloader.Utilities;
import javafx.concurrent.Task;
import nsusbloader.ModelControllers.LogPrinter;
import nsusbloader.NSLDataTypes.EMsgType;
import java.io.*;
import java.util.Arrays;
public class SplitMergeTool {
// TODO: ADD ABILITY TO INTERRUPT PROCESS
public static Runnable splitFile(String filePath, String saveToPath){
File file = new File(filePath);
File folder = new File(saveToPath+File.separator+"!_"+file.getName());
if (! folder.mkdir()){ // TODO: PROMPT - remove directory?
if (folder.exists())
;// folder exists - return
else
;// folder not created and not exists - return
}
return new Runnable() {
public static Task<Void> splitFile(String filePath, String saveToPath){
LogPrinter logPrinter = new LogPrinter();
return new Task<Void>() {
@Override
public void run() {
protected Void call() {
File file = new File(filePath);
File folder = new File(saveToPath+File.separator+"!_"+file.getName());
logPrinter.print("Split file: "+filePath, EMsgType.INFO);
for (int i = 0; i < 50; i++){
if (! folder.mkdir()){
if (folder.exists()){
logPrinter.print("Trying to create a good new folder...", EMsgType.WARNING);
folder = new File(saveToPath+File.separator+"!_"+i+"_"+file.getName());
continue;
}
else { // folder not created and not exists - return
logPrinter.print("Folder "+folder.getAbsolutePath()+" could not be created. Not enough rights or something like that?", EMsgType.FAIL);
logPrinter.close();
return null;
}
}
logPrinter.print("Save results to: "+folder.getAbsolutePath(), EMsgType.INFO);
break;
}
try{
BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
@ -25,7 +44,13 @@ public class SplitMergeTool {
long counter;
long originalFileLen = file.length();
double chunkPercent = (4194240.0 / (originalFileLen / 100.0) / 100.0);
long totalSizeCnt = 0;
byte[] chunk;
int readBytesCnt;
main_loop:
for (int i = 0; ; i++){
@ -35,52 +60,148 @@ public class SplitMergeTool {
counter = 0;
while (counter < 512){ // 0xffff0000 total
chunk = new byte[8388480];
while (counter < 1024){ // 0xffff0000 total
chunk = new byte[4194240];
if (bis.read(chunk) < 0){
if ((readBytesCnt = bis.read(chunk)) < 4194240){
if (readBytesCnt > 0)
fragmentBos.write(chunk, 0, readBytesCnt);
fragmentBos.close();
logPrinter.updateProgress(1.0);
break main_loop;
}
fragmentBos.write(chunk);
counter++;
logPrinter.updateProgress(chunkPercent * totalSizeCnt);
counter++; // NOTE: here we have some redundancy of variables. It has to be fixed one day.
totalSizeCnt++;
}
fragmentBos.close();
}
bis.close();
//=============== let's check what we have ==============
logPrinter.print("Original file size: "+originalFileLen, EMsgType.INFO);
long totalChunksSize = 0;
File[] chunkFileArr = folder.listFiles();
if (chunkFileArr == null) {
logPrinter.print("Unable to check results. It means that something went wrong.", EMsgType.FAIL);
return null;
}
else {
Arrays.sort(chunkFileArr);
for (File chunkFile : chunkFileArr) {
logPrinter.print("Chunk " + chunkFile.getName() + " size: " + chunkFile.length(), EMsgType.INFO);
totalChunksSize += chunkFile.length();
}
logPrinter.print("Total chunks size: " + totalChunksSize, EMsgType.INFO);
if (originalFileLen != totalChunksSize)
logPrinter.print("Sizes are different! Do NOT use this file for installations!", EMsgType.FAIL);
else
logPrinter.print("Sizes are the same! Split file should be good!", EMsgType.PASS);
}
}
catch (Exception e){
e.printStackTrace();
logPrinter.print("Error: "+e.getMessage(), EMsgType.FAIL);
}
logPrinter.print("Split task complete!", EMsgType.INFO);
logPrinter.close();
return null;
}
};
};
public static Runnable mergeFile(String filePath, String saveToPath){
File folder = new File(filePath);
File resultFile = new File(saveToPath+File.separator+"!_"+folder.getName());
//BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(resultFile));
// TODO: CHECK IF FILE WE'RE ABOUT TO CREATE IS EXISTS !!!
// TODO: not here: Add RECENT on current session level selection of the 'Select file/select folder' ? Already done ?
for (File sss : folder.listFiles(new FilenameFilter() {
public static Task<Void> mergeFile(String filePath, String saveToPath){
LogPrinter logPrinter = new LogPrinter();
return new Task<Void>() {
@Override
public boolean accept(File file, String s) {
System.out.println(s);
return false;
}
})){
System.out.println("|");
}
protected Void call() {
logPrinter.print("Merge file: "+filePath, EMsgType.INFO);
Runnable runnable = new Runnable() {
@Override
public void run() {
File folder = new File(filePath);
long cnkTotalSize = 0;
File[] chunkFiles = folder.listFiles((file, s) -> s.matches("^[0-9][0-9]$"));
if (chunkFiles == null){
logPrinter.print("Selected folder doesn't have any chunks. Nothing to do here.", EMsgType.FAIL);
logPrinter.close();
return null;
}
Arrays.sort(chunkFiles);
logPrinter.print("Next files will be merged in following order: ", EMsgType.INFO);
for (File cnk : chunkFiles){
logPrinter.print(" "+cnk.getName(), EMsgType.INFO);
cnkTotalSize += cnk.length();
}
double chunkPercent = (4194240.0 / (cnkTotalSize / 100.0) / 100.0);
long totalSizeCnt = 0;
File resultFile = new File(saveToPath+File.separator+"!_"+folder.getName());
logPrinter.print("Save results to: "+resultFile.getAbsolutePath(), EMsgType.INFO);
try {
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(resultFile));
BufferedInputStream bis;
byte[] chunk;
int readBytesCnt;
for (File cnk : chunkFiles){
bis = new BufferedInputStream(new FileInputStream(cnk));
while (true){
chunk = new byte[4194240];
readBytesCnt = bis.read(chunk);
logPrinter.updateProgress(chunkPercent * totalSizeCnt);
totalSizeCnt++;
if (readBytesCnt < 4194240){
if (readBytesCnt > 0)
bos.write(chunk, 0, readBytesCnt);
break;
}
bos.write(chunk);
}
bis.close();
}
bos.close();
//=============== let's check what we have ==============
long resultFileSize = resultFile.length();
logPrinter.print("Total chunks size: " + cnkTotalSize, EMsgType.INFO);
logPrinter.print("Merged file size: " + resultFileSize, EMsgType.INFO);
if (cnkTotalSize != resultFileSize)
logPrinter.print("Sizes are different! Do NOT use this file for installations!", EMsgType.FAIL);
else
logPrinter.print("Sizes are the same! Split file should be good!", EMsgType.PASS);
}
catch (Exception e){
e.printStackTrace();
logPrinter.print("Error: "+e.getMessage(), EMsgType.FAIL);
}
logPrinter.print("Merge task complete!", EMsgType.INFO);
logPrinter.close();
return null;
}
};
return runnable;
}
}