shit
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@@ -9,6 +9,7 @@ import java.util.Scanner;
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public class Main {
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public static void main(String[] args) throws InterruptedException {
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//TODO add status text
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// Scanner scanner = new Scanner(System.in);
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// System.out.print("Enter a starting URL : ");
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// String startUrl = scanner.nextLine().trim();
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@@ -7,7 +7,7 @@ import java.util.LinkedList;
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public class CrawlThread extends Thread {
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private final int amount;
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private final boolean debug;
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private boolean debug;
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private final String startUrl;
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private final String word;
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private WebCrawler crawler;
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@@ -19,11 +19,13 @@ public class CrawlThread extends Thread {
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this.startUrl = startUrl;
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this.word = word;
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this.visualiser = visualiser;
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this.crawler = new WebCrawler(amount, true, debug, visualiser);
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}
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public void run() {
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this.crawler = new WebCrawler(amount, true, debug,visualiser);
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// this.debug = false;
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System.out.println("starting thread");
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this.crawler.search(startUrl, word);
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}
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@@ -16,8 +16,9 @@ public class WebCrawler {
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private int successPages = 0;
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private boolean shouldSaveHitLinks;
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private boolean debug;
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private boolean done = false;
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private LinkedList<String> messages;
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public LinkedList<String> messages;
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/**
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* creates a new WebCrawler object with standard values
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@@ -79,6 +80,7 @@ public class WebCrawler {
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* @param searchWord the word to search for
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*/
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public void search(String url, String searchWord) {
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// System.out.println("searching for " + searchWord + " in " + url);
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int counter = 0;
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while (this.pagesVisited.size() < amountOfPages) {
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String curUrl;
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@@ -90,6 +92,7 @@ public class WebCrawler {
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curUrl = this.nextUrl();
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counter++;
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// print(String.format("visiting page %s / %s",counter,amountOfPages));
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System.out.println(String.format("visiting page %s / %s", counter, amountOfPages));
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addMessage(String.format("visiting page %s / %s", counter, amountOfPages));
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}
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branch.crawl(curUrl);
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@@ -106,6 +109,7 @@ public class WebCrawler {
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}
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this.pagesPending.addAll(branch.getLinks());
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}
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System.out.println("done searching");
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// print("========================");
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addMessage("========================");
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// print(String.format("DONE -- Visited %s webpages\nHits: %s\nAmount of pages with hits: %s\n", this.pagesVisited.size(), amountFound, successPages));
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@@ -114,6 +118,7 @@ public class WebCrawler {
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// print(String.format("Successful pages: \n%s", showCombinations(urlHits)));
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addMessage(String.format("Successful pages: \n%s", showCombinations(urlHits)));
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}
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done = true;
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}
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private String display(List<String> list) {
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@@ -176,15 +181,18 @@ public class WebCrawler {
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this.pagesVisited.clear();
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this.successPages = 0;
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this.amountFound = 0;
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this.done = false;
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}
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private void print(String text) {
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if (debug) logger.log(text);
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if (debug) System.out.println(text);
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}
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public void addMessage(String message) {
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this.messages.add(message);
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// System.out.println(message);
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if (!this.messages.contains(message)) {
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this.messages.add(message);
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}
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// System.out.println("ADDED MESSAGE " + message);
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}
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public LinkedList<String> getMessages() {
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@@ -194,4 +202,8 @@ public class WebCrawler {
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public void clearMessages() {
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this.messages.clear();
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}
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public boolean isDone() {
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return done;
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}
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}
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@@ -13,6 +13,7 @@ import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.control.Label;
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import javafx.scene.control.ListView;
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import javafx.scene.control.ScrollPane;
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import javafx.scene.control.TextField;
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import javafx.scene.layout.BorderPane;
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import javafx.scene.layout.HBox;
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@@ -36,6 +37,7 @@ public class Visualiser extends Application {
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private ResizableCanvas canvas;
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private ListView<String> log;
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private CrawlThread thread;
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private WebCrawler crawler;
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private int lastLogSize = 0;
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@@ -102,9 +104,13 @@ public class Visualiser extends Application {
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top.getChildren().add(content);
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Button button = new Button("Run");
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button.setOnAction(e -> {
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log.getItems().clear();
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thread = new CrawlThread(Integer.parseInt(amountField.getText()), true, urlField.getText(), wordField.getText(), this);
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// log.getItems().clear();
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thread = new CrawlThread(Integer.parseInt(amountField.getText()), true, parseUrl(urlField.getText()), wordField.getText(), this);
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thread.start();
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this.crawler = thread.getCrawler();
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System.out.println(crawler);
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ObservableList<String> crawlerMessages = FXCollections.observableList(crawler.messages);
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this.log.setItems(crawlerMessages);
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});
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top.getChildren().add(button);
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@@ -116,6 +122,17 @@ public class Visualiser extends Application {
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}
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private String parseUrl(String text) {
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if (!text.startsWith("http://")) {
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text = "http://" + text;
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}
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if (text.startsWith("https")) {
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text = text.replace("https", "http");
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}
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System.out.println("parsed to " + text);
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return text;
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}
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private void makeNumeric(TextField textField) {
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// force the field to be numeric only
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textField.textProperty().addListener(new ChangeListener<String>() {
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@@ -149,24 +166,33 @@ public class Visualiser extends Application {
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updateFrame();
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this.frameTime = 0d;
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}
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if (thread != null && thread.isAlive()) {
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WebCrawler crawler = thread.getCrawler();
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if (crawler != null) {
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List<String> msgs = crawler.getMessages();
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if (msgs != null)
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if (!msgs.isEmpty()) {
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log.getItems().addAll(msgs);
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thread.getCrawler().clearMessages();
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if (log.getItems().size() > lastLogSize) {
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if (!log.getItems().isEmpty())
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log.scrollTo(log.getItems().size() - 1);
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lastLogSize = log.getItems().size();
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}
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}
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}
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if (this.log.getItems().isEmpty()) {
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this.log.getItems().add("test");
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}
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this.log.refresh();
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// if (thread != null && thread.isAlive()) {
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// if (crawler == null) {
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// crawler = thread.getCrawler();
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// }
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// if (crawler != null) {
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// if (!this.crawler.isDone()) {
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//
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// List<String> msgs = new ArrayList<>(crawler.getMessages());
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// System.out.println(msgs);
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//// if (!msgs.isEmpty()) {
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//// System.out.println("adding messages:\n" + msgs);
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// log.getItems().addAll(msgs);
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// thread.getCrawler().clearMessages();
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if (!log.getItems().isEmpty())
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log.scrollTo(log.getItems().size() - 1);
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//// lastLogSize = log.getItems().size();
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//
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//// }
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// }
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// }
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//
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// }
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}
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public void log(String item) {
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