org.springframework.aop.framework.autoproxy.ProxyCreationContext.java Source code

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Here is the source code for org.springframework.aop.framework.autoproxy.ProxyCreationContext.java

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/*
 * Copyright 2002-2018 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.aop.framework.autoproxy;

import org.springframework.core.NamedThreadLocal;
import org.springframework.lang.Nullable;

/**
 * Holder for the current proxy creation context, as exposed by auto-proxy creators
 * such as {@link AbstractAdvisorAutoProxyCreator}.
 *
 * @author Juergen Hoeller
 * @author Ramnivas Laddad
 * @since 2.5
 */
public final class ProxyCreationContext {

    /** ThreadLocal holding the current proxied bean name during Advisor matching. */
    private static final ThreadLocal<String> currentProxiedBeanName = new NamedThreadLocal<>(
            "Name of currently proxied bean");

    private ProxyCreationContext() {
    }

    /**
     * Return the name of the currently proxied bean instance.
     * @return the name of the bean, or {@code null} if none available
     */
    @Nullable
    public static String getCurrentProxiedBeanName() {
        return currentProxiedBeanName.get();
    }

    /**
     * Set the name of the currently proxied bean instance.
     * @param beanName the name of the bean, or {@code null} to reset it
     */
    static void setCurrentProxiedBeanName(@Nullable String beanName) {
        if (beanName != null) {
            currentProxiedBeanName.set(beanName);
        } else {
            currentProxiedBeanName.remove();
        }
    }

}