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261 lines (213 loc) · 8.69 KB
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/**
* Scrappey - Java Example
*
* This example demonstrates how to use the Scrappey API from Java
* for web scraping with Cloudflare bypass and browser automation.
*
* Prerequisites:
* Java 11+
* Add Gson dependency (or use the built-in JSON processing)
*
* Run:
* javac Example.java && java Example
*
* Get your API key at: https://app.scrappey.com
*/
import java.net.URI;
import java.net.http.*;
import java.util.*;
public class Example {
private static final String API_KEY = System.getenv("SCRAPPEY_API_KEY") != null
? System.getenv("SCRAPPEY_API_KEY")
: "YOUR_API_KEY";
private static final String API_URL = "https://publisher.scrappey.com/api/v1";
private static final HttpClient httpClient = HttpClient.newHttpClient();
/**
* Send a request to the Scrappey API
*/
public static String scrappeyRequest(String cmd, Map<String, Object> data) throws Exception {
Map<String, Object> payload = new HashMap<>(data);
payload.put("cmd", cmd);
String jsonPayload = mapToJson(payload);
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create(API_URL + "?key=" + API_KEY))
.header("Content-Type", "application/json")
.POST(HttpRequest.BodyPublishers.ofString(jsonPayload))
.build();
HttpResponse<String> response = httpClient.send(request,
HttpResponse.BodyHandlers.ofString());
return response.body();
}
/**
* Simple map to JSON converter (for basic types)
*/
private static String mapToJson(Map<String, Object> map) {
StringBuilder sb = new StringBuilder("{");
boolean first = true;
for (Map.Entry<String, Object> entry : map.entrySet()) {
if (!first) sb.append(",");
first = false;
sb.append("\"").append(entry.getKey()).append("\":");
Object value = entry.getValue();
if (value instanceof String) {
sb.append("\"").append(escapeJson((String) value)).append("\"");
} else if (value instanceof Number || value instanceof Boolean) {
sb.append(value);
} else if (value instanceof Map) {
sb.append(mapToJson((Map<String, Object>) value));
} else if (value instanceof List) {
sb.append(listToJson((List<?>) value));
} else if (value == null) {
sb.append("null");
} else {
sb.append("\"").append(escapeJson(value.toString())).append("\"");
}
}
sb.append("}");
return sb.toString();
}
private static String listToJson(List<?> list) {
StringBuilder sb = new StringBuilder("[");
boolean first = true;
for (Object item : list) {
if (!first) sb.append(",");
first = false;
if (item instanceof String) {
sb.append("\"").append(escapeJson((String) item)).append("\"");
} else if (item instanceof Map) {
sb.append(mapToJson((Map<String, Object>) item));
} else {
sb.append(item);
}
}
sb.append("]");
return sb.toString();
}
private static String escapeJson(String str) {
return str.replace("\\", "\\\\")
.replace("\"", "\\\"")
.replace("\n", "\\n")
.replace("\r", "\\r")
.replace("\t", "\\t");
}
/**
* Basic example: Simple GET request
*/
public static void basicExample() throws Exception {
System.out.println("\n=== Basic Example ===\n");
Map<String, Object> data = new HashMap<>();
data.put("url", "https://httpbin.org/get");
String result = scrappeyRequest("request.get", data);
if (result.contains("\"data\":\"success\"")) {
System.out.println("Request successful!");
// In production, use a JSON library to parse the response
int start = result.indexOf("\"statusCode\":") + 13;
int end = result.indexOf(",", start);
String statusCode = result.substring(start, end);
System.out.println("Status Code: " + statusCode);
} else {
System.out.println("Error in response: " + result.substring(0, Math.min(200, result.length())));
}
}
/**
* Session example: Maintain cookies across requests
*/
public static void sessionExample() throws Exception {
System.out.println("\n=== Session Example ===\n");
// Create session
Map<String, Object> sessionData = new HashMap<>();
sessionData.put("proxyCountry", "UnitedStates");
String createResult = scrappeyRequest("sessions.create", sessionData);
// Extract session ID (in production, use a JSON library)
int sessionStart = createResult.indexOf("\"session\":\"") + 11;
int sessionEnd = createResult.indexOf("\"", sessionStart);
String sessionId = createResult.substring(sessionStart, sessionEnd);
System.out.println("Created session: " + sessionId);
try {
// Use session
Map<String, Object> requestData = new HashMap<>();
requestData.put("url", "https://httpbin.org/get");
requestData.put("session", sessionId);
String result = scrappeyRequest("request.get", requestData);
System.out.println("Request with session completed");
} finally {
// Destroy session
Map<String, Object> destroyData = new HashMap<>();
destroyData.put("session", sessionId);
scrappeyRequest("sessions.destroy", destroyData);
System.out.println("Destroyed session: " + sessionId);
}
}
/**
* Browser actions example
*/
public static void browserActionsExample() throws Exception {
System.out.println("\n=== Browser Actions Example ===\n");
List<Map<String, Object>> actions = new ArrayList<>();
Map<String, Object> waitAction = new HashMap<>();
waitAction.put("type", "wait_for_selector");
waitAction.put("cssSelector", "body");
actions.add(waitAction);
Map<String, Object> jsAction = new HashMap<>();
jsAction.put("type", "execute_js");
jsAction.put("code", "document.title");
actions.add(jsAction);
Map<String, Object> data = new HashMap<>();
data.put("url", "https://example.com");
data.put("browserActions", actions);
String result = scrappeyRequest("request.get", data);
if (result.contains("\"data\":\"success\"")) {
System.out.println("Browser actions completed successfully!");
} else {
System.out.println("Error: " + result.substring(0, Math.min(200, result.length())));
}
}
/**
* POST request example
*/
public static void postExample() throws Exception {
System.out.println("\n=== POST Example ===\n");
Map<String, Object> data = new HashMap<>();
data.put("url", "https://httpbin.org/post");
data.put("postData", "username=test&password=test123");
String result = scrappeyRequest("request.post", data);
if (result.contains("\"data\":\"success\"")) {
System.out.println("POST request successful!");
} else {
System.out.println("Error in POST request");
}
}
/**
* Cloudflare bypass example
*/
public static void cloudflareExample() throws Exception {
System.out.println("\n=== Cloudflare Bypass Example ===\n");
Map<String, Object> data = new HashMap<>();
data.put("url", "https://example-protected-site.com");
data.put("cloudflareBypass", true);
data.put("premiumProxy", true);
data.put("proxyCountry", "UnitedStates");
String result = scrappeyRequest("request.get", data);
if (result.contains("\"data\":\"success\"")) {
System.out.println("Successfully bypassed Cloudflare!");
} else {
System.out.println("Bypass failed or error occurred");
}
}
public static void main(String[] args) {
System.out.println("Scrappey Java Examples");
System.out.println("==================================================");
try {
basicExample();
sessionExample();
postExample();
// Uncomment to run additional examples:
// browserActionsExample();
// cloudflareExample();
System.out.println("\n✓ All examples completed!\n");
} catch (Exception e) {
System.err.println("Error: " + e.getMessage());
e.printStackTrace();
}
}
}