com.liferay.portal.kernel.util.ResourceBundleLoaderUtil.java Source code

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Here is the source code for com.liferay.portal.kernel.util.ResourceBundleLoaderUtil.java

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/**
 * 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.util;

import com.liferay.registry.ServiceReference;
import com.liferay.registry.collections.ServiceReferenceMapper;
import com.liferay.registry.collections.ServiceTrackerCollections;
import com.liferay.registry.collections.ServiceTrackerMap;

/**
 * @author Carlos Sierra Andrs
 */
public class ResourceBundleLoaderUtil {

    public static ResourceBundleLoader getPortalResourceBundleLoader() {
        return _portalResourceBundleLoader;
    }

    public static ResourceBundleLoader getResourceBundleLoaderByBundleSymbolicName(String bundleSymbolicName) {

        return _bundleSymbolicNameServiceTrackerMap.getService(bundleSymbolicName);
    }

    public static ResourceBundleLoader getResourceBundleLoaderByServletContextName(String servletContextName) {

        return _servletContextNameServiceTrackerMap.getService(servletContextName);
    }

    public static void setPortalResourceBundleLoader(ResourceBundleLoader resourceBundleLoader) {

        _portalResourceBundleLoader = resourceBundleLoader;
    }

    private ResourceBundleLoaderUtil() {
    }

    private static final ServiceTrackerMap<String, ResourceBundleLoader> _bundleSymbolicNameServiceTrackerMap;
    private static ResourceBundleLoader _portalResourceBundleLoader;
    private static final ServiceTrackerMap<String, ResourceBundleLoader> _servletContextNameServiceTrackerMap;

    static {
        _bundleSymbolicNameServiceTrackerMap = ServiceTrackerCollections
                .openSingleValueMap(ResourceBundleLoader.class, "bundle.symbolic.name");
        _servletContextNameServiceTrackerMap = ServiceTrackerCollections
                .openSingleValueMap(ResourceBundleLoader.class, "servlet.context.name");
    }

    private static class ServiceTrackerHolder {

        private static final ServiceTrackerMap<String, ResourceBundleLoader> _servletContextNameAndBaseNameServiceTrackerMap;

        static {
            _servletContextNameAndBaseNameServiceTrackerMap = ServiceTrackerCollections.openSingleValueMap(
                    ResourceBundleLoader.class, "(&(resource.bundle.base.name=*)(servlet.context.name=*))",
                    new ServiceReferenceMapper<String, ResourceBundleLoader>() {

                        @Override
                        public void map(ServiceReference<ResourceBundleLoader> serviceReference,
                                Emitter<String> emitter) {

                            Object baseName = serviceReference.getProperty("resource.bundle.base.name");
                            Object servletContextName = serviceReference.getProperty("servlet.context.name");

                            emitter.emit(baseName + "#" + servletContextName);
                        }

                    });
        }

    }

}