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Copy pathDmdbCardViewHandler.java
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249 lines (241 loc) · 9.48 KB
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import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpExchange;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.io.IOException;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class DmdbCardViewHandler implements HttpHandler {
final int[] cardVideoIds;
final HashMap<String, String[]> keywordMap;
String baseQuery = "SELECT card_name, cost, civilization, card_type, race, power, card_text FROM Card JOIN RulesText USING (card_id) WHERE card_id=";
public DmdbCardViewHandler() {
List<String> videoList = new ArrayList<String>();
try {
videoList = Files.readAllLines(Paths.get("resources/dmdb-video-list.txt"));
} catch(IOException ioe) {
ioe.printStackTrace();
}
cardVideoIds = new int[videoList.size()];
for(int i = 0; i<cardVideoIds.length; i++) {
String line = videoList.get(i);
int card_id = Integer.parseInt(line.split(":")[0]);
cardVideoIds[i] = card_id;
}
Arrays.sort(cardVideoIds);
keywordMap = new HashMap<>();
List<String> keywordList = new ArrayList<String>();
try {
keywordList = Files.readAllLines(Paths.get("resources/dmdb-keywords-map.txt"));
} catch(IOException ioe) {
ioe.printStackTrace();
}
for(String s : keywordList) {
String[] pair = s.split("::");
String[] vals = pair[1].split(";;");
for(int i = 1; i<3; i++) {
vals[i] = vals[i].replace("\\n","\n");
vals[i] = vals[i].replace("\\t","\t");
}
if(vals.length!=3) throw new RuntimeException("Invalid keyword map. Check string values.");
keywordMap.put(pair[0], vals);
}
}
public void handle(HttpExchange exchange) throws IOException {
try {
int card_id = getCardId(exchange.getRequestURI().getPath());
boolean hasVideo = checkForVideo(card_id);
String htmlString = buildHTMLView(card_id, hasVideo);
byte[] htmlBytes = htmlString.getBytes("UTF-8");
exchange.getResponseHeaders().set("Content-Type", "text/html; charset=UTF-8");
exchange.sendResponseHeaders(200, htmlBytes.length);
try(OutputStream stream = exchange.getResponseBody()) {
stream.write(htmlBytes);
} finally {
exchange.close();
}
} catch(NumberFormatException nfe) {
sendErrorResponse(exchange, 400, "Invalid card ID.");
} catch(SQLException sqle) {
sqle.printStackTrace();
sendErrorResponse(exchange, 500, "Database error.");
} catch (Exception e) {
e.printStackTrace();
sendErrorResponse(exchange, 500, "An unexpected error occurred.");
}
}
public int getCardId(String path) throws NumberFormatException {
String[] paths = path.split("/");
int id = Integer.parseInt(paths[paths.length-1]);
return id;
}
public boolean checkForVideo(int card_id) {
int a = Arrays.binarySearch(cardVideoIds, card_id);
if(a>=0) return true;
return false;
}
public String buildHTMLView(int card_id, boolean hasVideo) throws SQLException {
StringBuilder cardViewBuilder = new StringBuilder();
String sqlQuery = baseQuery + card_id;
Connection conn = DatabaseConnectionManager.getConnection();
try(Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(sqlQuery)) {
String idString = Integer.toString(card_id);
if(idString.length()<4) {
StringBuilder idBuilder = new StringBuilder();
for(int i = 0; i<4-idString.length(); i++) {
idBuilder.append('0');
}
idBuilder.append(idString);
idString = idBuilder.toString();
}
String card_name = rs.getString("card_name");
int cost = rs.getInt("cost");
String[] civs = rs.getString("civilization").split("/");
String card_type = rs.getString("card_type");
String race = rs.getString("race");
String power = rs.getString("power");
String card_text = rs.getString("card_text");
cardViewBuilder.append("<!DOCTYPE html>\n<html>\n<head>\n\t<meta charset=\"utf-8\">\n\t")
.append("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n")
.append("\t<title>").append(card_name).append("</title>\n\t")
.append("<link rel=\"stylesheet\" href=\"/dmdb-cardview-styles.css\">\n\t")
.append("<script src=\"/dmdb-cardview-scripts.js\" defer></script>\n</head>\n")
.append("<body style=\"background: ");
String[] civColors = new String[civs.length];
for(int i = 0; i<civs.length; i++) {
String civ = civs[i];
String color = "#808080"; //default to gray
switch(civ) {
case "light":
color = "#ffd700";
break;
case "water":
color = "#0ff";
break;
case "darkness":
color = "#300030";
break;
case "fire":
color = "#900";
break;
case "nature":
color = "#228b22";
}
civColors[i] = color;
}
if(civColors.length==1) {
cardViewBuilder.append(civColors[0]).append(";\">\n");
} else if(civColors.length==2) {
cardViewBuilder.append("linear-gradient(to right,")
.append(civColors[0]).append(" 0%,")
.append(civColors[0]).append(" 35%,")
.append(civColors[1]).append(" 65%,")
.append(civColors[1]).append(" 100%);\">\n");
} else if(civColors.length==3) {
cardViewBuilder.append("linear-gradient(to right,")
.append(civColors[0]).append(" 0%,")
.append(civColors[0]).append(" 20%,")
.append(civColors[1]).append(" 40%,")
.append(civColors[1]).append(" 60%,")
.append(civColors[2]).append(" 80%,")
.append(civColors[2]).append(" 100%);\">\n");
} else {
cardViewBuilder.append("linear-gradient(to right,");
for(int i = 0; i<civColors.length; i++) {
cardViewBuilder.append(civColors[i]);
if(i<civColors.length-1) cardViewBuilder.append(",");
}
cardViewBuilder.append(");\">\n");
}
cardViewBuilder.append("\t<div id=\"profile-container\">\n\t\t<div id=\"media-container\">\n");
if(hasVideo) {
cardViewBuilder.append("\t\t\t<div id=\"video-container\">\n")
.append("\t\t\t\t<video src=\"https://media.duelmasters.us/")
.append(idString).append(".mp4\" autoplay muted></video>\n\t\t\t</div>\n");
}
cardViewBuilder.append("\t\t\t<img src=\"https://img.duelmasters.us/").append(idString).append(".webp\"");
if(hasVideo) {
cardViewBuilder.append(" style=\"display: none;\">\n");
} else cardViewBuilder.append(">\n");
cardViewBuilder.append("\t\t</div>\n\t\t<div id=\"card-info-container\">\n")
.append("\t\t\t<p><b>Name:</b> <a href=\"https://duelmasters.fandom.com/wiki/");
String safeName = card_name.replace("\"", """);
cardViewBuilder.append(safeName).append("\">").append(card_name).append("</a></p>\n")
.append("\t\t\t<p><b>Civilization:</b> ");
for(int i = 0; i<civs.length; i++) {
String civ = civs[i];
cardViewBuilder.append(civ.substring(0,1).toUpperCase()).append(civ.substring(1))
.append(" <img src=\"/icons/civs/").append(civ).append(".webp\">");
if(i<civs.length-1) cardViewBuilder.append(" / ");
}
cardViewBuilder.append("</p>\n")
.append("\t\t\t<p><b>Card Type:</b> ").append(card_type).append("</p>\n")
.append("\t\t\t<p><b>Cost:</b> ").append(cost).append("</p>\n");
if(race!=null) {
StringBuilder raceBuilder = new StringBuilder();
String[] rarr = race.split("/");
for(int i = 0; i<rarr.length; i++) {
String str = rarr[i];
if("fishy".equals(str)) raceBuilder.append("Fish");
else if("gianto".equals(str)) raceBuilder.append("Giant");
else {
raceBuilder.append(str.substring(0,1).toUpperCase());
for(int j = 1; j<str.length(); j++) {
if(str.charAt(j)=='_') raceBuilder.append(' ');
else if(str.charAt(j-1)=='_') raceBuilder.append(str.substring(j,j+1).toUpperCase());
else raceBuilder.append(str.charAt(j));
}
}
if(i<rarr.length-1) raceBuilder.append(" / ");
}
race = raceBuilder.toString();
cardViewBuilder.append("\t\t\t<p><b>Race:</b> ").append(race).append("</p>\n");
}
if(power!=null) {
cardViewBuilder.append("\t\t\t<p><b>Power:</b> ").append(power).append("</p>\n");
}
if(card_text.length()>0) {
String[] textArr = card_text.split("\u25A0");
cardViewBuilder.append("\t\t\t<p><b>Card Rules Text:</b></p>\n")
.append("\t\t\t<ul id=\"rules-text\">\n");
for(String textItem : textArr) {
if(textItem.length()>1) {
String textFoot = "\n\t\t\t\t</li>\n";
for(Map.Entry<String, String[]> entry : keywordMap.entrySet()) {
if(textItem.contains(entry.getKey())) {
textItem = textItem.replace(entry.getValue()[0],entry.getValue()[1]);
if(!"null".equals(entry.getValue()[2])) {
textFoot = entry.getValue()[2];
}
}
}
textItem = textItem.replace("(", "<i>(");
textItem = textItem.replace(")", ")</i>");
cardViewBuilder.append("\t\t\t\t<li>\n\t\t\t\t\t").append(textItem).append(textFoot);
}
}
cardViewBuilder.append("\t\t\t</ul>\n");
}
if(hasVideo) cardViewBuilder.append("\t\t\t<button id=\"toggle-btn\">Stop video</button>\n");
cardViewBuilder.append("\t\t</div>\n\t</div>\n</body>\n</html>");
}
return cardViewBuilder.toString();
}
void sendErrorResponse(HttpExchange exchange, int statusCode, String errorMessage) throws IOException {
exchange.sendResponseHeaders(statusCode, errorMessage.length());
try (OutputStream stream = exchange.getResponseBody()) {
stream.write(errorMessage.getBytes());
} finally {
exchange.close();
}
}
}