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-rw-r--r--src/main/model/BrowserState.java5
-rw-r--r--src/main/model/html/ElementNode.java9
-rw-r--r--src/main/model/html/HtmlParser.java8
-rw-r--r--src/main/model/html/Node.java5
-rw-r--r--src/main/model/html/TextNode.java10
-rw-r--r--src/main/model/util/Event.java66
-rw-r--r--src/main/model/util/EventLog.java60
-rw-r--r--src/main/persistance/JsonAble.java7
-rw-r--r--src/main/persistance/JsonUtils.java46
-rw-r--r--src/main/ui/BrowserApp.java110
-rw-r--r--src/main/ui/BrowserWindow.java67
11 files changed, 3 insertions, 390 deletions
diff --git a/src/main/model/BrowserState.java b/src/main/model/BrowserState.java
index bb15abf..da21c41 100644
--- a/src/main/model/BrowserState.java
+++ b/src/main/model/BrowserState.java
@@ -1,8 +1,5 @@
package model;
-import model.util.Event;
-import model.util.EventLog;
-
import java.util.ArrayDeque;
// This BrowserState function collects the stateful portions of the browser into one modelable class.
@@ -37,13 +34,11 @@ public class BrowserState {
if (!this.tabs.contains(added)) {
this.tabs.add(added);
}
- EventLog.getInstance().logEvent(new Event("Added tab " + added + " to tablist"));
}
// MODIFIES: this
// EFFECTS: removes a tab from the tablist
public void removeTab(String removed) {
this.tabs.remove(removed);
- EventLog.getInstance().logEvent(new Event("Removed tab " + removed + " from tablist"));
}
}
diff --git a/src/main/model/html/ElementNode.java b/src/main/model/html/ElementNode.java
index ef241e4..6f0a556 100644
--- a/src/main/model/html/ElementNode.java
+++ b/src/main/model/html/ElementNode.java
@@ -1,15 +1,13 @@
package model.html;
import org.javatuples.Pair;
-import org.json.JSONObject;
-import persistance.JsonAble;
import java.util.ArrayList;
/**
* This ElementNode class represents an HTML tag and nested tags.
*/
-public class ElementNode implements Node, JsonAble {
+public class ElementNode implements Node {
private String tag;
private ArrayList<Pair<String,String>> attributes;
@@ -67,9 +65,4 @@ public class ElementNode implements Node, JsonAble {
public String getData() {
return getTag() + " " + getAttributes().toString();
}
-
- @Override
- public JSONObject serialize() {
- return new JSONObject(this);
- }
}
diff --git a/src/main/model/html/HtmlParser.java b/src/main/model/html/HtmlParser.java
index 5170205..e50f713 100644
--- a/src/main/model/html/HtmlParser.java
+++ b/src/main/model/html/HtmlParser.java
@@ -3,8 +3,6 @@ package model.html;
import java.util.*;
import org.javatuples.*;
-import org.json.JSONObject;
-import persistance.JsonAble;
/**
* This class represents the state of and implements an LL(1) HTML parser.
@@ -19,7 +17,7 @@ import persistance.JsonAble;
* SELF_CLOSING_TAG ::= 'img' | ...
* (note that \forall T \in SELF_CLOSING_TAG, T \notin TAG)
*/
-public class HtmlParser implements JsonAble {
+public class HtmlParser {
/**
* HTML is not nice to parse. We manage to get away with a relatively small number of parser states regardless.
@@ -346,10 +344,6 @@ public class HtmlParser implements JsonAble {
return false;
}
}
-
- public JSONObject serialize() {
- return new JSONObject(this);
- }
}
/*
diff --git a/src/main/model/html/Node.java b/src/main/model/html/Node.java
index 5c3ea41..9a846ee 100644
--- a/src/main/model/html/Node.java
+++ b/src/main/model/html/Node.java
@@ -1,7 +1,5 @@
package model.html;
-import org.json.JSONObject;
-
/**
* This Node represents an abstract relationship between ElementNode and TextNode.
* It's extremely helpful / necessary for Lists of arbitrary ElementNodes/TextNodes.
@@ -9,7 +7,4 @@ import org.json.JSONObject;
public interface Node {
// Return a representation of the Node. Useful for debugging.
public String getData();
-
- // EFFECTS: returns a serialized form of the data
- public JSONObject serialize();
}
diff --git a/src/main/model/html/TextNode.java b/src/main/model/html/TextNode.java
index 82ae245..464180f 100644
--- a/src/main/model/html/TextNode.java
+++ b/src/main/model/html/TextNode.java
@@ -1,12 +1,9 @@
package model.html;
-import org.json.JSONObject;
-import persistance.JsonAble;
-
/**
* This TextNode class represents raw text, with no nested tags.
*/
-public class TextNode implements Node, JsonAble {
+public class TextNode implements Node {
private String text = "";
/**
@@ -25,9 +22,4 @@ public class TextNode implements Node, JsonAble {
public String getData() {
return getText();
}
-
- @Override
- public JSONObject serialize() {
- return new JSONObject(this);
- }
}
diff --git a/src/main/model/util/Event.java b/src/main/model/util/Event.java
deleted file mode 100644
index 8a42ef8..0000000
--- a/src/main/model/util/Event.java
+++ /dev/null
@@ -1,66 +0,0 @@
-package model.util;
-
-import java.util.Calendar;
-import java.util.Date;
-
-
-/**
- * Represents an alarm system event.
- */
-public class Event {
- private static final int HASH_CONSTANT = 13;
- private Date dateLogged;
- private String description;
-
- /**
- * Creates an event with the given description
- * and the current date/time stamp.
- * @param description a description of the event
- */
- public Event(String description) {
- dateLogged = Calendar.getInstance().getTime();
- this.description = description;
- }
-
- /**
- * Gets the date of this event (includes time).
- * @return the date of the event
- */
- public Date getDate() {
- return dateLogged;
- }
-
- /**
- * Gets the description of this event.
- * @return the description of the event
- */
- public String getDescription() {
- return description;
- }
-
- @Override
- public boolean equals(Object other) {
- if (other == null) {
- return false;
- }
-
- if (other.getClass() != this.getClass()) {
- return false;
- }
-
- Event otherEvent = (Event) other;
-
- return (this.dateLogged.equals(otherEvent.dateLogged)
- && this.description.equals(otherEvent.description));
- }
-
- @Override
- public int hashCode() {
- return (HASH_CONSTANT * dateLogged.hashCode() + description.hashCode());
- }
-
- @Override
- public String toString() {
- return dateLogged.toString() + "\n" + description;
- }
-}
diff --git a/src/main/model/util/EventLog.java b/src/main/model/util/EventLog.java
deleted file mode 100644
index 507c9b2..0000000
--- a/src/main/model/util/EventLog.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package model.util;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-
-/**
- * Represents a log of alarm system events.
- * We use the Singleton Design Pattern to ensure that there is only
- * one EventLog in the system and that the system has global access
- * to the single instance of the EventLog.
- */
-public class EventLog implements Iterable<Event> {
- /** the only EventLog in the system (Singleton Design Pattern) */
- private static EventLog theLog;
- private Collection<Event> events;
-
- /**
- * Prevent external construction.
- * (Singleton Design Pattern).
- */
- private EventLog() {
- events = new ArrayList<Event>();
- }
-
- /**
- * Gets instance of EventLog - creates it
- * if it doesn't already exist.
- * (Singleton Design Pattern)
- * @return instance of EventLog
- */
- public static EventLog getInstance() {
- if (theLog == null) {
- theLog = new EventLog();
- }
-
- return theLog;
- }
-
- /**
- * Adds an event to the event log.
- * @param e the event to be added
- */
- public void logEvent(Event e) {
- events.add(e);
- }
-
- /**
- * Clears the event log and logs the event.
- */
- public void clear() {
- events.clear();
- logEvent(new Event("Event log cleared."));
- }
-
- @Override
- public Iterator<Event> iterator() {
- return events.iterator();
- }
-}
diff --git a/src/main/persistance/JsonAble.java b/src/main/persistance/JsonAble.java
deleted file mode 100644
index 408cb06..0000000
--- a/src/main/persistance/JsonAble.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package persistance;
-
-import org.json.JSONObject;
-
-public interface JsonAble {
- public JSONObject serialize();
-}
diff --git a/src/main/persistance/JsonUtils.java b/src/main/persistance/JsonUtils.java
deleted file mode 100644
index c97e5fd..0000000
--- a/src/main/persistance/JsonUtils.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package persistance;
-
-import org.json.JSONArray;
-import org.json.JSONObject;
-
-import java.io.PrintWriter;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-public class JsonUtils {
-
- /**
- * REQUIRES: A valid filepath path, a writeable JSONObject json
- * EFFECTS: writes a String to a file
- */
- public static void writeToFile(JSONArray json, String path) {
- PrintWriter writer;
- try {
- writer = new PrintWriter(path);
- writer.print(json);
- writer.close();
- } catch (Exception e) {
- System.out.printf("Write to file failed with %s", e.toString());
- }
- }
-
- /**
- * REQUIRES: a path to a valid file containing JSONObject-serialized data
- * EFFECTS: reads a serialized String into a JSONObject
- */
- public static JSONArray readFromFile(String pathString) {
- String content;
- JSONArray deread;
- Path path;
- try {
- path = Paths.get(pathString);
- content = new String(Files.readAllBytes(path));
- deread = new JSONArray(content);
- } catch (Exception e) {
- System.out.println("Read from file failed with %s");
- deread = new JSONArray();
- }
- return deread;
- }
-}
diff --git a/src/main/ui/BrowserApp.java b/src/main/ui/BrowserApp.java
index c4bbf99..520cac8 100644
--- a/src/main/ui/BrowserApp.java
+++ b/src/main/ui/BrowserApp.java
@@ -4,11 +4,7 @@ import model.html.ElementNode;
import model.html.HtmlParser;
import model.html.TextNode;
import model.html.Node;
-import org.json.JSONArray;
-import org.json.JSONObject;
-import persistance.JsonUtils;
-import java.io.File;
import java.nio.file.*;
import java.util.*;
@@ -18,7 +14,6 @@ import java.util.*;
public class BrowserApp {
private Scanner input;
private static final String border = "===============================================";
- private static final String storagePath = "data/apus.cache";
private String pathString;
private ArrayList<Node> parsed;
private ArrayDeque<String> tabs;
@@ -30,39 +25,10 @@ public class BrowserApp {
println("apus: currently a barebones html/css renderer");
this.input = new Scanner(System.in);
this.tabs = new ArrayDeque<>();
-
- askToRestoreTabs();
mainLoop();
}
/**
- * EFFECTS: Asks the user if they'd like to restore previously closed tabs.
- */
- private void askToRestoreTabs() {
- if (new File(storagePath).length() > 2) {
- println("Would you like to restore your previously closed tabs? (Y/N)");
- String answer;
- while (true) {
- answer = this.input.next();
- if (answer.equalsIgnoreCase("y")) {
- restoreClosedTabs();
- break;
- } else if (answer.equalsIgnoreCase("n")) {
- JsonUtils.writeToFile(new JSONArray(), storagePath);
- println("please provide a path to a file (examples located in data/*):");
- pathString = this.input.next();
- break;
- } else {
- println("Sorry, I didn't quite get that. Please try again.");
- }
- }
- } else {
- println("please provide a path to a file (examples located in data/*):");
- pathString = this.input.next();
- }
- }
-
- /**
* EFFECTS: Runs the main loop
*/
private void mainLoop() {
@@ -87,23 +53,6 @@ public class BrowserApp {
}
/**
- * EFFECTS: restores previous closed tabs from a cache file.
- */
- private void restoreClosedTabs() {
- try {
- JSONArray state = JsonUtils.readFromFile(storagePath);
- for (int i = 0; i < state.length(); i++) {
- println(state.get(i).getClass().getName());
- tabs.add((String) state.get(i));
- }
- pathString = tabs.removeLast();
- } catch (Exception e) {
- println("Restoring state from disk failed with " + e.toString());
- System.exit(0);
- }
- }
-
- /**
* EFFECTS: Barebones HTML rendering. Iterates through a list of Nodes and their children and prints any text.
*/
private void renderHtml(ArrayList<Node> html) {
@@ -135,7 +84,6 @@ public class BrowserApp {
pathString = this.tabs.removeFirst();
break;
case "quit":
- handleQuit();
System.exit(0);
break;
default:
@@ -144,64 +92,6 @@ public class BrowserApp {
}
}
- /**
- * Helper function for the quit() case.
- * EFFECTS: Asks a user whether they'd like to save their tabs, and exists the program.
- */
- private void handleQuit() {
- println("Would you like to save your currently opened tabs to disk? (Y/N)");
- String answer;
- while (true) {
- answer = this.input.next();
- if (answer.equalsIgnoreCase("y")) {
- this.tabs.add(pathString);
- JsonUtils.writeToFile(new JSONArray(tabs), storagePath);
- break;
- } else if (answer.equalsIgnoreCase("n")) {
- JsonUtils.writeToFile(new JSONArray(), storagePath);
- break;
- } else {
- println("Sorry, I didn't quite get that. Please try again.");
- }
- }
- }
-
- /**
- * EFFECTS: writes the current program configuration to the disk
- */
- private void writeToDisk() {
- ArrayList<ArrayList<JSONObject>> jsonArray = new ArrayList<>();
- for (String p : tabs) {
- ArrayList<JSONObject> jsonArrayII = new ArrayList<>();
- try {
- Path path = Paths.get(pathString);
- String file = new String(Files.readAllBytes(path));
- HtmlParser parser = new HtmlParser();
- for (Node n : parser.parseHtml(file)) {
- jsonArrayII.add(n.serialize());
- }
- } catch (Exception e) {
- System.out.printf("Failed to write to disk with %s", e);
- }
- jsonArray.add(jsonArrayII);
- }
- JsonUtils.writeToFile(new JSONArray(jsonArray), storagePath);
- }
-
- /**
- * EFFECTS: restores program state from a last written to state
- */
- private void restoreFromDisk(JSONArray state) {
- for (int i = 0; i < state.length(); i++) {
- Object tab = state.get(i);
- if (tab instanceof JSONArray) {
- for (int j = 0; j < ((JSONArray) tab).length(); j++) {
- tabs.add(((JSONArray) tab).toString());
- }
- }
- }
- }
-
private void print(String toPrint) {
System.out.print(toPrint);
}
diff --git a/src/main/ui/BrowserWindow.java b/src/main/ui/BrowserWindow.java
index 2375fc1..bd1cf7f 100644
--- a/src/main/ui/BrowserWindow.java
+++ b/src/main/ui/BrowserWindow.java
@@ -2,16 +2,9 @@ package ui;
import model.BrowserState;
import model.html.HtmlParser;
-import model.util.Event;
-import model.util.EventLog;
-import org.json.JSONArray;
-import persistance.JsonUtils;
import javax.swing.*;
import java.awt.*;
-import java.awt.event.WindowAdapter;
-import java.awt.event.WindowEvent;
-import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
@@ -22,7 +15,6 @@ import java.util.ArrayList;
public class BrowserWindow extends JFrame {
public static final int WIDTH = 1200;
public static final int HEIGHT = 800;
- private static final String storagePath = "data/apus.cache";
private BrowserCanvas canvas;
private BrowserBar browserBar;
@@ -46,9 +38,6 @@ public class BrowserWindow extends JFrame {
// render("data/example.hctml");
// browserBar.addTab("/home/apropos/Projects/website/j-james/index.html");
setVisible(true);
- setClosingBehavior();
-
- initializeBrowser();
}
// MODIFIES: this
@@ -72,62 +61,6 @@ public class BrowserWindow extends JFrame {
setVisible(true);
}
- // EFFECTS: Prompts the user to save their tabs before quitting
- private void setClosingBehavior() {
- this.addWindowListener(new WindowAdapter() {
- @Override
- public void windowClosing(WindowEvent e) {
- if (state.getTabs().size() > 0) {
- saveCurrentTabs();
- }
- for (Event event : EventLog.getInstance()) {
- System.out.println(event);
- }
- super.windowClosing(e);
- }
- });
- }
-
- // EFFECTS: sets up the browser upon launching
- private void initializeBrowser() {
- if (new File(storagePath).length() > 2) {
- restorePreviousTabs();
- }
- }
-
- // MODIFIES: this
- // EFFECTS: prompts the user to restore their previous tabs
- private void restorePreviousTabs() {
- int answer = JOptionPane.showOptionDialog(
- this, "Would you like to restore your previous tabs?", "apus",
- JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE,
- null, new String[]{"Yes", "No"}, "Yes");
- if (answer == 0) {
- try {
- JSONArray state = JsonUtils.readFromFile(storagePath);
- for (int i = 0; i < state.length(); i++) {
- this.browserBar.addTab((String) state.get(i));
- this.state.addTab((String) state.get(i));
- }
- } catch (Exception e) {
- System.out.println("Restoring state from disk failed with " + e.toString());
- }
- }
- }
-
- // EFFECTS: prompts the user to save their current tabs before closing
- private void saveCurrentTabs() {
- int answer = JOptionPane.showOptionDialog(
- this, "Would you like to save your current tabs?", "apus",
- JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE,
- null, new String[]{"Yes", "No"}, "Yes");
- if (answer == 0) {
- JsonUtils.writeToFile(new JSONArray(state.getTabs()), storagePath);
- } else {
- JsonUtils.writeToFile(new JSONArray(), storagePath);
- }
- }
-
public BrowserState getBrowserState() {
return this.state;
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-23 03:31:04 +0000