161 lines
12 KiB
HTML
161 lines
12 KiB
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<title>CombineFilesFX.java</title>
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<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 3/Assignments/MP5-Binary-Files_CalebFontenot/src/com/calebfontenot/mp5/files_calebfontenot/CombineFilesFX.java</td></tr></table>
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<pre>
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<span class="comment">/*</span>
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<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
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<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
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<span class="comment"> */</span>
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<span class="literal">package</span> com.calebfontenot.mp5.files_calebfontenot;
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<span class="comment">import</span> <span class="comment">java</span><span class="comment">.</span><span class="comment">io</span><span class="comment">.</span><span class="comment">DataInput</span><span class="comment">;</span>
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<span class="literal">import</span> java.io.File;
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<span class="literal">import</span> java.io.FileInputStream;
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<span class="literal">import</span> java.io.FileOutputStream;
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<span class="literal">import</span> java.io.IOException;
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<span class="literal">import</span> java.util.ArrayList;
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<span class="literal">import</span> java.util.Collections;
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<span class="literal">import</span> java.util.Comparator;
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<span class="literal">import</span> java.util.List;
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<span class="literal">import</span> java.util.regex.Matcher;
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<span class="literal">import</span> java.util.regex.Pattern;
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<span class="literal">import</span> javafx.application.Application;
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<span class="literal">import</span> javafx.geometry.Pos;
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<span class="literal">import</span> javafx.scene.Scene;
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<span class="literal">import</span> javafx.scene.control.Alert;
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<span class="literal">import</span> javafx.scene.control.Alert.<span class="ST1">AlertType</span>;
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<span class="literal">import</span> javafx.scene.control.Button;
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<span class="literal">import</span> javafx.scene.control.Label;
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<span class="comment">import</span> <span class="comment">javafx</span><span class="comment">.</span><span class="comment">scene</span><span class="comment">.</span><span class="comment">control</span><span class="comment">.</span><span class="comment">TextField</span><span class="comment">;</span>
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<span class="literal">import</span> javafx.scene.layout.BorderPane;
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<span class="literal">import</span> javafx.scene.layout.GridPane;
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<span class="literal">import</span> javafx.stage.FileChooser;
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<span class="literal">import</span> javafx.stage.Stage;
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<span class="comment">/**</span>
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<span class="comment"> *</span>
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<span class="comment"> * </span><span class="comment">@author</span> <span class="comment">caleb</span>
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<span class="comment">*/</span>
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<span class="literal">public</span> <span class="literal">class</span> CombineFilesFX <span class="literal">extends</span> Application {
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<span class="literal">static</span> ArrayList<File> <span class="ST2">files</span> = <span class="literal">new</span> ArrayList<File>();
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<span class="literal">final</span> FileChooser <span class="ST3">fileChooser</span> = <span class="literal">new</span> FileChooser();
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@Override
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<span class="literal">public</span> <span class="literal">void</span> <span class="ST4">start</span>(<span class="literal">final</span> Stage stage) <span class="literal">throws</span> Exception {
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<span class="ST3">fileChooser</span>.setTitle(<span class="string">"</span><span class="string">Open File to Split...</span><span class="string">"</span>);
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BorderPane primaryBorderPane = <span class="literal">new</span> BorderPane();
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GridPane textFieldGridPane = <span class="literal">new</span> GridPane();
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Label infoLabel = <span class="literal">new</span> Label(<span class="string">"</span><span class="string">Point me at the files that were output by SplitFilesFX.java.</span><span class="string">"</span>);
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Label chooseFile = <span class="literal">new</span> Label(<span class="string">"</span><span class="string">Choose files to combine: </span><span class="string">"</span>);
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Button openFilePicker = <span class="literal">new</span> Button(<span class="string">"</span><span class="string">Choose...</span><span class="string">"</span>);
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Button run = <span class="literal">new</span> Button(<span class="string">"</span><span class="string">Start</span><span class="string">"</span>);
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textFieldGridPane.add(chooseFile, <span class="number">0</span>, <span class="number">0</span>);
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textFieldGridPane.add(openFilePicker, <span class="number">1</span>, <span class="number">0</span>);
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primaryBorderPane.<span class="ST1">setAlignment</span>(run, Pos.<span class="ST2">CENTER</span>);
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primaryBorderPane.setTop(infoLabel);
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primaryBorderPane.setCenter(textFieldGridPane);
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primaryBorderPane.setBottom(run);
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openFilePicker.setOnAction(e -> {
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<span class="comment">// When we initially get the files from the file chooser, it returns an unsortable list. Because of this, we need to create a new List with its data.</span>
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<span class="ST2">files</span>.addAll(<span class="ST3">f</span><span class="ST3">ileChooser</span>.showOpenMultipleDialog(openFilePicker.getScene().getWindow()));
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<span class="comment">// The file picker appears to return files in a random order, so we need to sort them by file name.</span>
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Collections.<span class="ST1">sort</span>(<span class="ST2">f</span><span class="ST2">iles</span>, <span class="literal">new</span> Comparator<File>() {
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<span class="literal">public</span> <span class="literal">int</span> <span class="ST4">compare</span>(File o1, File o2) {
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<span class="literal">return</span> extractInt(o1.getName()) - extractInt(o2.getName());
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}
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String <span class="ST4">findMatch</span>(String s) {
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Pattern findNum = Pattern.<span class="ST1">compile</span>(<span class="string">"</span><span class="literal">\\</span><span class="string">d+$</span><span class="string">"</span>);
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Matcher match = findNum.matcher(s);
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<span class="literal">while</span> (match.find()) {
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<span class="literal">return</span> match.group();
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}
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<span class="literal">return</span> <span class="string">""</span>;
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}
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<span class="literal">int</span> <span class="ST4">extractInt</span>(String s) {
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String num = findMatch(s);
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System.<span class="ST2">out</span>.println(num);
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<span class="comment">// return 0 if no digits found</span>
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<span class="literal">return</span> num.isEmpty() ? <span class="number">0</span> : Integer.<span class="ST1">parseInt</span>(num);
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}
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});
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});
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run.setOnAction(e -> {
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<span class="literal">if</span> (<span class="ST2">files</span> == <span class="literal">null</span>) {
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e.consume();
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}
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<span class="ST1">combineFiles</span>(<span class="ST2">f</span><span class="ST2">iles</span>);
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});
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Scene scene = <span class="literal">new</span> Scene(primaryBorderPane);
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stage.setScene(scene);
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stage.show();
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST5">combineFiles</span>(List<File> filesToCombine) {
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String outputPath = filesToCombine.get(<span class="number">0</span>).getParent();
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<span class="literal">try</span> (FileOutputStream dataOut = <span class="literal">new</span> FileOutputStream(outputPath + <span class="string">"</span><span class="string">/</span><span class="string">"</span> + <span class="string">"</span><span class="string">reconstructed_</span><span class="string">"</span> + filesToCombine.get(<span class="number">0</span>).getName().substring(<span class="number">0</span>, (filesToCombine.get(<span class="number">0</span>).getName().length() - <span class="number">2</span>)))) {
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Writing to </span><span class="string">"</span> + outputPath + <span class="string">"</span><span class="string">/</span><span class="string">"</span> + <span class="string">"</span><span class="string">reconstructed_</span><span class="string">"</span> + filesToCombine.get(<span class="number">0</span>).getName().substring(<span class="number">0</span>, (filesToCombine.get(<span class="number">0</span>).getName().length() - <span class="number">2</span>)));
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<span class="literal">for</span> (File file : filesToCombine) {
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<span class="literal">try</span> (FileInputStream dataIn = <span class="literal">new</span> FileInputStream(file)) {
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System.<span class="ST2">out</span>.println(<span class="string">"</span><span class="string">Opening the source file </span><span class="string">"</span> + file.getName() + <span class="string">"</span><span class="string">!</span><span class="string">"</span>);
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<span class="literal">byte</span>[] buffer = <span class="literal">new</span> <span class="literal">byte</span>[<span class="number">4096</span>];
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<span class="literal">int</span> bytesRead = -<span class="number">1</span>;
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<span class="literal">while</span> ((bytesRead = dataIn.read(buffer)) != -<span class="number">1</span>) {
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dataOut.write(buffer, <span class="number">0</span>, bytesRead);
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}
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}
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<span class="literal">catch</span> (IOException ex) {
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System.<span class="ST2">out</span>.println(ex);
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}
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}
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} <span class="literal">catch</span> (IOException ex) {
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System.<span class="ST2">out</span>.println(ex);
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}
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Alert alert = <span class="literal">new</span> Alert(<span class="ST1">A</span><span class="ST1">lertType</span>.<span class="ST2">INFORMATION</span>);
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alert.setTitle(<span class="string">"</span><span class="string">Success!</span><span class="string">"</span>);
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alert.setContentText(<span class="string">"</span><span class="string">Successfully combined the files!</span><span class="string">"</span>);
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alert.showAndWait();
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST5">main</span>(String[] args) {
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<span class="ST1">launch</span>();
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}
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}
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</pre></body>
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