使用Trello API通过单次请求批量设置卡片标签

import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;

public class TrelloApiLabelUpdater {

    private static final String TRELLO_URL = "https://api.trello.com/1"; // Trello API base URL

    public String buildUpdateCardLabelsUri(String cardId, String[] labelIds, String apiKey, String apiToken) {
        if (cardId == null || cardId.isEmpty() || labelIds == null || labelIds.length == 0) {
            throw new IllegalArgumentException("Card ID and Label IDs cannot be null or empty.");
        }

        StringBuilder uriBuilder = new StringBuilder();
        uriBuilder.append(TRELLO_URL).append("/cards/").append(cardId);

        // Append idLabels parameter with the first label ID
        uriBuilder.append("?idLabels=").append(encodeURIComponent(labelIds[0]));

        // Append remaining label IDs, separated by commas
        for (int i = 1; i < labelIds.length; i++) {
            uriBuilder.append(",").append(encodeURIComponent(labelIds[i]));
        }

        // Append API key and token for authentication
        uriBuilder.append("&key=").append(encodeURIComponent(apiKey));
        uriBuilder.append("&token=").append(encodeURIComponent(apiToken));

        return uriBuilder.toString();
    }

    // Helper method to URL-encode components
    private String encodeURIComponent(String s) {
        try {
            return URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
        } catch (Exception e) {
            // Handle encoding exception, though unlikely for standard IDs
            throw new RuntimeException("Error encoding URI component: " + s, e);
        }
    }

    public static void main(String[] args) {
        TrelloApiLabelUpdater updater = new TrelloApiLabelUpdater();
        String cardId = "YOUR_CARD_ID"; // 替换为您的卡片ID
        String[] labelsToApply = {"LABEL_ID_1", "LABEL_ID_2", "LABEL_ID_3"}; // 替换为您的标签ID数组
        String apiKey = "YOUR_API_KEY"; // 替换为您的API Key
        String apiToken = "YOUR_API_TOKEN"; // 替换为您的API Token

        try {
            String uri = updater.buildUpdateCardLabelsUri(cardId, labelsToApply, apiKey, apiToken);
            System.out.println("Generated URI for updating card labels:");
            System.out.println(uri);
            System.out.println("\nRemember to send a PUT request to this URI.");

            // In a real application, you would then send an HTTP PUT request to this URI.
            // Example (using a hypothetical HTTP client):
            // HttpClient httpClient = HttpClient.newHttpClient();
            // HttpRequest request = HttpRequest.newBuilder()
            //         .uri(URI.create(uri))
            //         .PUT(HttpRequest.BodyPublishers.noBody()) // PUT request with no body for this specific case
            //         .build();
            //
            // HttpResponse<String> response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
            // System.out.println("Response Status Code: " + response.statusCode());
            // System.out.println("Response Body: " + response.body());

        } catch (IllegalArgumentException e) {
            System.err.println("Error: " + e.getMessage());
        }
    }
}