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/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.web.client;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.HttpURLConnection;
import org.springframework.aot.hint.ExecutableMode;
import org.springframework.aot.hint.ReflectionHints;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.TypeReference;
import org.springframework.http.client.AbstractClientHttpRequestFactoryWrapper;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.client.OkHttp3ClientHttpRequestFactory;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
/**
* {@link RuntimeHintsRegistrar} for {@link ClientHttpRequestFactories}.
*
* @author Andy Wilkinson
* @author Phillip Webb
*/
class ClientHttpRequestFactoriesRuntimeHints implements RuntimeHintsRegistrar {
@Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
if (ClassUtils.isPresent("org.springframework.http.client.ClientHttpRequestFactory", classLoader)) {
registerHints(hints.reflection(), classLoader);
}
}
private void registerHints(ReflectionHints hints, ClassLoader classLoader) {
hints.registerField(findField(AbstractClientHttpRequestFactoryWrapper.class, "requestFactory"));
hints.registerTypeIfPresent(classLoader, ClientHttpRequestFactories.APACHE_HTTP_CLIENT_CLASS, (typeHint) -> {
typeHint.onReachableType(TypeReference.of(ClientHttpRequestFactories.APACHE_HTTP_CLIENT_CLASS));
registerReflectionHints(hints, HttpComponentsClientHttpRequestFactory.class);
});
hints.registerTypeIfPresent(classLoader, ClientHttpRequestFactories.OKHTTP_CLIENT_CLASS, (typeHint) -> {
typeHint.onReachableType(TypeReference.of(ClientHttpRequestFactories.OKHTTP_CLIENT_CLASS));
registerReflectionHints(hints, OkHttp3ClientHttpRequestFactory.class);
});
hints.registerType(SimpleClientHttpRequestFactory.class, (typeHint) -> {
typeHint.onReachableType(HttpURLConnection.class);
registerReflectionHints(hints, SimpleClientHttpRequestFactory.class);
});
}
private void registerReflectionHints(ReflectionHints hints,
Class requestFactoryType) {
registerMethod(hints, requestFactoryType, "setConnectTimeout", int.class);
registerMethod(hints, requestFactoryType, "setReadTimeout", int.class);
registerMethod(hints, requestFactoryType, "setBufferRequestBody", boolean.class);
}
private void registerMethod(ReflectionHints hints, Class requestFactoryType,
String methodName, Class... parameterTypes) {
Method method = ReflectionUtils.findMethod(requestFactoryType, methodName, parameterTypes);
if (method != null) {
hints.registerMethod(method, ExecutableMode.INVOKE);
}
}
private Field findField(Class type, String name) {
Field field = ReflectionUtils.findField(type, name);
Assert.state(field != null, () -> "Unable to find field '%s' on %s".formatted(type.getName(), name));
return field;
}
}