org.jboss.weld.serialization.ConstructorHolder Maven / Gradle / Ivy

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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
 * http://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.jboss.weld.serialization;

import java.lang.reflect.Constructor;
import java.security.AccessController;
import java.security.PrivilegedAction;

import org.jboss.weld.logging.ReflectionLogger;
import org.jboss.weld.util.reflection.DeclaredMemberIndexer;

/**
 * Serializable holder for {@link Constructor}.
 *
 * @author Jozef Hartinger
 *
 */
public class ConstructorHolder extends AbstractSerializableHolder> implements PrivilegedAction> {

    private static final long serialVersionUID = -6439218442811003152L;

    public static  ConstructorHolder of(Constructor constructor) {
        return new ConstructorHolder(constructor);
    }

    private final Class declaringClass;
    private final int index;

    public ConstructorHolder(Constructor constructor) {
        super(constructor);
        this.declaringClass = constructor.getDeclaringClass();
        this.index = DeclaredMemberIndexer.getIndexForConstructor(constructor);
    }

    @Override
    protected Constructor initialize() {
        return AccessController.doPrivileged(this);
    }

    @Override
    public Constructor run() {
        try {
            return DeclaredMemberIndexer.getConstructorForIndex(index, declaringClass);
        } catch (Exception e) {
            throw ReflectionLogger.LOG.unableToGetConstructorOnDeserialization(declaringClass, index, e);
        }
    }
}