com.liferay.portal.kernel.portlet.PortletClassLoaderUtil.java Source code

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Here is the source code for com.liferay.portal.kernel.portlet.PortletClassLoaderUtil.java

Source

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.portlet;

import com.liferay.petra.lang.CentralizedThreadLocal;
import com.liferay.portal.kernel.servlet.ServletContextClassLoaderPool;

/**
 * @author Brian Wing Shun Chan
 */
public class PortletClassLoaderUtil {

    public static ClassLoader getClassLoader() {
        String servletContextName = getServletContextName();

        ClassLoader classLoader = ServletContextClassLoaderPool.getClassLoader(servletContextName);

        if (classLoader == null) {
            throw new IllegalStateException(
                    "Unable to find the class loader for servlet context " + servletContextName);
        }

        return classLoader;
    }

    public static String getServletContextName() {
        String servletContextName = _servletContextName.get();

        if (servletContextName == null) {
            throw new IllegalStateException("No servlet context name specified");
        }

        return servletContextName;
    }

    public static void setServletContextName(String servletContextName) {
        _servletContextName.set(servletContextName);
    }

    private static final ThreadLocal<String> _servletContextName = new CentralizedThreadLocal<>(
            PortletClassLoaderUtil.class + "._servletContextName");

}