org.jboss.resteasy.reactive.client.impl.ClientProxies Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of resteasy-reactive-client Show documentation
There is a newer version: 3.17.5
Show newest version
package org.jboss.resteasy.reactive.client.impl;

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.BiFunction;

import jakarta.ws.rs.client.WebTarget;
import jakarta.ws.rs.ext.ParamConverterProvider;

import org.jboss.resteasy.reactive.client.api.InvalidRestClientDefinitionException;

public class ClientProxies {

    final Map, BiFunction, ?>> clientProxies;
    private final Map, String> failures;

    public ClientProxies(Map, BiFunction, ?>> clientProxies,
            Map, String> failures) {
        this.clientProxies = clientProxies;
        this.failures = failures;
    }

    public  T get(Class clazz, WebTarget webTarget, List providers) {
        BiFunction, ?> function = clientProxies.get(clazz);
        if (function == null) {
            String failure = failures.get(clazz);
            if (failure != null) {
                throw new InvalidRestClientDefinitionException(
                        "Failed to generate client for class " + clazz + " : " + failure);
            } else {
                if (hasRestClientAnnotations(clazz)) {
                    throw new IllegalStateException("REST client interface: " + clazz
                            + " was not indexed at build time. See https://quarkus.io/guides/cdi-reference#bean_discovery for information on how to index the module that contains it.");
                } else {
                    throw new IllegalArgumentException("Not a REST client interface: " + clazz + ". No @Path annotation " +
                            "found on the class or any methods of the interface and no HTTP method annotations " +
                            "(@POST, @PUT, @GET, @HEAD, @DELETE, etc) found on any of the methods");
                }
            }
        }
        //noinspection unchecked
        return (T) function.apply(webTarget, providers);
    }

    private boolean hasRestClientAnnotations(Class clazz) {
        for (Annotation annotation : clazz.getAnnotations()) {
            if (isRestClientAnnotation(annotation)) {
                return true;
            }
        }
        for (Method method : clazz.getDeclaredMethods()) {
            for (Annotation annotation : method.getDeclaredAnnotations()) {
                if (isRestClientAnnotation(annotation)) {
                    return true;
                }
            }
        }
        return false;
    }

    private boolean isRestClientAnnotation(Annotation annotation) {
        String annClassName = annotation.annotationType().getName();
        if (annClassName.startsWith("jakarta.ws.rs") || annClassName.startsWith(
                "org.eclipse.microprofile.rest.client")) {
            return true;
        }
        return false;
    }

    // for dev console
    public ClientData getClientData() {
        return new ClientData(clientProxies.keySet(), failures);
    }

    public static class ClientData {
        public final Collection> clientClasses;
        public final Map, String> failures;

        public ClientData(Collection> clientClasses, Map, String> failures) {
            this.clientClasses = clientClasses;
            this.failures = failures;
        }
    }
}