* Hogyan állíts be **validációs feltételeket** mint a `maximum_length` vagy a `regex`.
* Nagyon hatékony és erős **<abbr title="also known as components, resources, providers, services, injectables">Függőség Injekció</abbr>** rendszerek.
* Biztonság és autentikáció beleértve, **OAuth2**, **JWT tokens** és **HTTP Basic** támogatást.

import org.opensearch.transport.client.Client;

/**
 * OpenSearch client implementation specifically for crawler operations.
 * Extends FesenClient to provide search engine connectivity for the crawler components.
 */
public class CrawlerEngineClient extends FesenClient {

    /**
     * Creates a new instance of CrawlerEngineClient.
     */
    public CrawlerEngineClient() {
        super();
    }

Dieses Beispiel ist jedoch immer noch gültig und zeigt, wie mit den internen Komponenten interagiert wird.

///

Wir können denselben Ansatz auch verwenden, um in einem Exceptionhandler auf den Requestbody zuzugreifen.

import okio.asOkioSocket
import okio.buffer

/**
 * Adapts a [java.net.Socket] to MockWebServer's needs.
 *
 * Note that [asOkioSocket] returns a socket that closes the underlying [java.net.Socket] when both
 * of its component streams are closed. This class takes advantage of that.
 */
internal class MockWebServerSocket(
  val javaNetSocket: Socket,
) : Closeable,
  BufferedSocket {
  private val delegate = javaNetSocket.asOkioSocket()

@Deprecated
class ArtifactInstallerTest extends AbstractArtifactComponentTestCase {
    @Inject
    private ArtifactInstaller artifactInstaller;

    @Inject
    private SessionScope sessionScope;

    protected String component() {
        return "installer";
    }

    @Test
    void testArtifactInstallation() throws Exception {
        sessionScope.enter();
        try {

@GwtCompatible
@SuppressWarnings("AvoidObjectArrays")
public final class ObjectArrays {

  private ObjectArrays() {}

  /**
   * Returns a new array of the given length with the specified component type.
   *
   * @param type the component type
   * @param length the length of the new array
   */
  @GwtIncompatible // Array.newInstance(Class, int)
  @SuppressWarnings("unchecked")

    public void testToString() {
        // Test the string representation of the object
        String result = smbComDelete.toString();
        assertNotNull(result);

        // Verify the result contains expected components
        assertTrue(result.startsWith("SmbComDelete["));
        assertTrue(result.contains("searchAttributes=0x"));
        assertTrue(result.contains("fileName=" + TEST_FILE_NAME));

    /**
     * Maximum number of session IDs to include in lists.
     */
    protected int maxSessionIdsInList;

    /**
     * Retrieves the CrawlingInfoService component instance.
     *
     * @return the CrawlingInfoService component for managing crawling information
     */
    protected CrawlingInfoService getCrawlingInfoService() {
        return ComponentUtil.getComponent(CrawlingInfoService.class);
    }

Alles als wiederverwendbare Tools und Komponenten gebaut, die einfach in ihre Systeme, Datenspeicher, relationalen und nicht-relationalen Datenbanken, usw., integriert werden können.

### Einbringen von Abhängigkeiten (Dependency Injection)

import org.apache.maven.project.ProjectBuilder;

/**
 * This realizes the metadata source via the default hint to provide backward-compat with Maven 2.x whose Plexus version
 * registered component descriptors twice: once keyed by role+roleHint and once keyed by role only. This effectively
 * made the metadata source available with its original role hint ("maven") as well as the default hint.
 *
 */
@Named
@Singleton