keycloakjar.org.springframework.beans.factory.support.MethodDescriptor Maven / Gradle / Ivy
Show all versions of camunda-platform-7-keycloak-all Show documentation
/*
* Copyright 2002-2023 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.beans.factory.support;
import org.springframework.util.ClassUtils;
/**
* Descriptor for a {@link java.lang.reflect.Method Method} which holds a
* reference to the method's {@linkplain #declaringClass declaring class},
* {@linkplain #methodName name}, and {@linkplain #parameterTypes parameter types}.
*
* @param declaringClass the method's declaring class
* @param methodName the name of the method
* @param parameterTypes the types of parameters accepted by the method
* @author Sam Brannen
* @since 6.0.11
*/
record MethodDescriptor(Class declaringClass, String methodName, Class... parameterTypes) {
/**
* Create a {@link MethodDescriptor} for the supplied bean class and method name.
* The supplied {@code methodName} may be a {@linkplain Method#getName()
* simple method name} or a
* {@linkplain org.springframework.util.ClassUtils#getQualifiedMethodName(Method)
* qualified method name}.
*
If the method name is fully qualified, this utility will parse the
* method name and its declaring class from the qualified method name and then
* attempt to load the method's declaring class using the {@link ClassLoader}
* of the supplied {@code beanClass}. Otherwise, the returned descriptor will
* reference the supplied {@code beanClass} and {@code methodName}.
* @param beanName the bean name in the factory (for debugging purposes)
* @param beanClass the bean class
* @param methodName the name of the method
* @return a new {@code MethodDescriptor}; never {@code null}
*/
static MethodDescriptor create(String beanName, Class beanClass, String methodName) {
try {
Class declaringClass = beanClass;
String methodNameToUse = methodName;
// Parse fully-qualified method name if necessary.
int indexOfDot = methodName.lastIndexOf('.');
if (indexOfDot > 0) {
String className = methodName.substring(0, indexOfDot);
methodNameToUse = methodName.substring(indexOfDot + 1);
if (!beanClass.getName().equals(className)) {
declaringClass = ClassUtils.forName(className, beanClass.getClassLoader());
}
}
return new MethodDescriptor(declaringClass, methodNameToUse);
}
catch (Exception | LinkageError ex) {
throw new BeanDefinitionValidationException(
"Could not create MethodDescriptor for method '%s' on bean with name '%s': %s"
.formatted(methodName, beanName, ex.getMessage()));
}
}
}