kamma/cz-basketball-scraper
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added log4j2, added fetching cookie

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This commit is contained in:
Radek Davidek 2025-11-02 16:02:02 +01:00
parent 21cb991f9a
commit 8e63b089bf
4 changed files with 73 additions and 7 deletions
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4
logs/basketball-scraper.log Normal file
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@ -0,0 +1,4 @@
2025-11-02 16:00:08.102 [main] INFO cz.kamma.czb.BasketballServer - Starting Basketball Server...
2025-11-02 16:00:23.654 [main] INFO cz.kamma.czb.BasketballServer - Starting Basketball Server...
2025-11-02 16:00:23.910 [main] INFO cz.kamma.czb.BasketballServer - Server running at http://localhost:8000/
2025-11-02 16:00:32.440 [pool-3-thread-2] INFO cz.kamma.czb.BasketballServer - Data fetched successfully for date: 2025-11-02

16
pom.xml
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@ -19,6 +19,22 @@
<artifactId>jackson-databind</artifactId>
<version>2.17.3</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.22.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.22.0</version>
</dependency>
</dependencies>
<build>

43
src/main/java/cz/kamma/czb/BasketballServer.java
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@ -20,11 +20,13 @@ import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import lombok.extern.log4j.Log4j2;
@Log4j2
public class BasketballServer {
public static void main(String[] args) throws Exception {
fetchDataForDate("Sat Nov 01 2025 01:00:00 GMT+0100 (Central European Standard Time)"); // inicialní fetch
log.info("Starting Basketball Server...");
ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
scheduler.scheduleAtFixedRate(() -> fetchDataForDate("Sat Nov 01 2025 01:00:00 GMT+0100 (Central European Standard Time)"),
5, 5, TimeUnit.MINUTES);
@ -35,18 +37,43 @@ public class BasketballServer {
server.setExecutor(Executors.newFixedThreadPool(4));
server.start();
System.out.println("Server running at http://localhost:8000/");
log.info("Server running at http://localhost:8000/");
}
// --- fetch dat pro určité datum ---
private static JsonNode fetchDataForDate(String dateParam) {
try {
// First request to get cookies
log.debug("Fetching initial cookies from cz.basketball");
URL initialUrl = new URL("https://cz.basketball");
HttpURLConnection initialCon = (HttpURLConnection) initialUrl.openConnection();
initialCon.setRequestMethod("GET");
// Get cookies from response headers
String cookies = "";
for (int i = 1; ; i++) {
String headerName = initialCon.getHeaderFieldKey(i);
String headerValue = initialCon.getHeaderField(i);
if (headerName == null && headerValue == null) {
break;
}
if ("Set-Cookie".equalsIgnoreCase(headerName)) {
if (!cookies.isEmpty()) {
cookies += "; ";
}
cookies += headerValue.split(";")[0];
}
}
initialCon.disconnect();
// Main request with cookies
String urlString = "https://cz.basketball/?do=customHomepage-getLeagues&date="
+ URLEncoder.encode(dateParam, StandardCharsets.UTF_8) + "&categories=";
URL url = new URL(urlString);
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("GET");
con.setRequestProperty("Cookie", "cc_cookie={\"level\":[\"necessary\",\"analytics\",\"targeting\",\"social\"],\"revision\":0,\"data\":null,\"rfc_cookie\":false}; _ga_YVJ6WB27SJ=GS2.2.s1746868725$o1$g1$t1746868780$j0$l0$h0; _ga_QHKEFEZRL5=GS2.1.s1761514243$o7$g1$t1761514385$j60$l0$h0; _nss=1; PHPSESSID=0dmq2ps6c0dv5bhdg5ukjjl6e7; _gid=GA1.2.1121240707.1762001487; _gat_UA-12082319-2=1; _ga=GA1.2.1277704385.1746363814; _ga_JYB7G0MLMT=GS2.1.s1762001486$o30$g1$t1762001571$j60$l0$h0"); // nahraď platnou cookie
con.setRequestProperty("Cookie", cookies);
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(), StandardCharsets.UTF_8));
StringBuilder content = new StringBuilder();
@ -57,11 +84,11 @@ public class BasketballServer {
ObjectMapper mapper = new ObjectMapper();
JsonNode data = mapper.readTree(content.toString());
System.out.println("Data fetched successfully for date: " + dateParam);
log.info("Data fetched successfully for date: {}", dateParam);
return data;
} catch (Exception e) {
e.printStackTrace();
log.error("Error fetching data: ", e);
return null;
}
}
@ -70,6 +97,7 @@ public class BasketballServer {
static class ApiHandler implements HttpHandler {
@Override
public void handle(HttpExchange exchange) throws IOException {
log.debug("Handling API request: {}", exchange.getRequestURI());
String query = exchange.getRequestURI().getQuery();
String dateParam = "Sat Nov 01 2025 01:00:00 GMT+0100 (Central European Standard Time)";
@ -96,6 +124,7 @@ public class BasketballServer {
@Override
public void handle(HttpExchange exchange) throws IOException {
log.debug("Handling Web request: {}", exchange.getRequestURI());
try {
String path = exchange.getRequestURI().getPath();
if ("/".equals(path) || path.isEmpty() || path.equals("/index.html")) {
@ -115,7 +144,7 @@ public class BasketballServer {
sendError(exchange, 404, "Not found");
}
} catch (Exception e) {
e.printStackTrace();
log.error("Error handling web request: ", e);
sendError(exchange, 500, e.getMessage());
}
}

17
src/main/resources/log4j2.xml Normal file
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@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</Console>
<File name="File" fileName="logs/basketball-scraper.log">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</File>
</Appenders>
<Loggers>
<Root level="debug">
<AppenderRef ref="Console"/>
<AppenderRef ref="File"/>
</Root>
</Loggers>
</Configuration>