如何使用 HTTP URL 为 GroupDocs.Viewer Java 设置许可证

<repositories>
   <repository>
      <id>repository.groupdocs.com</id>
      <name>GroupDocs Repository</name>
      <url>https://releases.groupdocs.com/viewer/java/</url>
   </repository>
</repositories>

<dependencies>
   <dependency>
      <groupId>com.groupdocs</groupId>
      <artifactId>groupdocs-viewer</artifactId>
      <version>25.2</version>
   </dependency>
</dependencies>

import com.groupdocs.viewer.License;

class ViewerSetup {
    public static void main(String[] args) {
        License license = new License();
        // Set the license using a path or URL
        license.setLicense("path/to/license.lic");
    }
}

import com.groupdocs.viewer.License;
import java.io.InputStream;
import java.net.URL;

public class SetLicenseFromUrl {
    public static void run() {
        final String licensePath = "YOUR_DOCUMENT_DIRECTORY/license_url";  // Replace with your actual URL

        if (licensePath != null && licensePath.startsWith("http")) {
            try {
                // Attempt to create a URL object for validation
                new URL(licensePath);
                
                URL website = new URL(licensePath);
                License license = new License();
                
                try (InputStream inputStream = website.openStream()) {
                    license.setLicense(inputStream);
                }

                System.out.println("License set without errors.");
            } catch (Exception e) {
                System.err.println("Can't load remote license from '" + licensePath + "'");
                e.printStackTrace();
            }
        } else {
            System.out.println("Please provide a valid HTTP URL for the license file.");
        }
    }
}

public class LicensePathValidation {
    public static void validateLicensePath(String licensePath) {
        if (licensePath != null && licensePath.startsWith("http")) {
            try {
                new URL(licensePath);
                System.out.println("Valid HTTP URL.");
            } catch (Exception e) {
                System.err.println("Invalid license URL: " + licensePath);
            }
        } else {
            System.err.println("License URL was not provided or is invalid!");
        }
    }
}