import java.io.BufferedReader;

import java.io.FileReader;

import java.io.IOException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

public class HttpExtractor {

public static void main(String[] args) {

String filePath = "request_logs.txt"; // Replace with your log file path

extractHttpData(filePath);

}

public static void extractHttpData(String filePath) {

List<Map<String, String>> extractedData = new ArrayList<>();

try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {

String line;

while ((line = reader.readLine()) != null) {

// Basic parsing - adjust based on your log format

if (line.contains("GET") || line.contains("POST") || line.contains("PUT") || line.contains("DELETE")) {

Map<String, String> requestData = new HashMap<>();

// Extract URL

int startIndex = line.indexOf("HTTP/");

if (startIndex != -1) {

startIndex += 5; // Move past "HTTP/"

int endIndex = line.indexOf(" ", startIndex);

if (endIndex != -1) {

requestData.put("url", line.substring(startIndex, endIndex).trim());

} else {

requestData.put("url", line.substring(startIndex).trim());

}

} else {

requestData.put("url", "N/A");

}

// Extract Headers (example: Content-Type, User-Agent)

String headersPart = line.substring(line.indexOf("{") + 1, line.indexOf("}"));

if (!headersPart.isEmpty()) {

String[] headerLines = headersPart.split("\\s+");

for (String header : headerLines) {

if (header.contains(":")) {

String[] parts = header.split(":", 2);

if (parts.length == 2) {

String headerName = parts[0].trim();

String headerValue = parts[1].trim();

requestData.put(headerName, headerValue);

}

}

}

}

extractedData.add(requestData); // Add to the list

}

}

} catch (IOException e) {

System.err.println("Error reading file: " + e.getMessage());

}

//Print the extracted data

for (Map<String, String> data : extractedData) {

System.out.println(data);

}

}

}