com.liferay.document.library.web.internal.display.context.IGDisplayContextProvider.java Source code

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Here is the source code for com.liferay.document.library.web.internal.display.context.IGDisplayContextProvider.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.document.library.web.internal.display.context;

import com.liferay.image.gallery.display.kernel.display.context.IGDisplayContextFactory;
import com.liferay.image.gallery.display.kernel.display.context.IGViewFileVersionDisplayContext;
import com.liferay.osgi.service.tracker.collections.list.ServiceTrackerList;
import com.liferay.osgi.service.tracker.collections.list.ServiceTrackerListFactory;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.repository.model.FileShortcut;
import com.liferay.portal.kernel.repository.model.FileVersion;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.AggregateResourceBundleLoader;
import com.liferay.portal.kernel.util.ResourceBundleLoader;
import com.liferay.portal.kernel.util.WebKeys;

import java.util.ResourceBundle;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.osgi.framework.BundleContext;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Deactivate;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Ivn Zaera
 */
@Component(service = IGDisplayContextProvider.class)
public class IGDisplayContextProvider {

    public IGViewFileVersionDisplayContext getIGViewFileVersionActionsDisplayContext(HttpServletRequest request,
            HttpServletResponse response, FileShortcut fileShortcut) {

        try {
            ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

            ResourceBundle resourceBundle = _resourceBundleLoader.loadResourceBundle(themeDisplay.getLanguageId());

            IGViewFileVersionDisplayContext igViewFileVersionDisplayContext = new DefaultIGViewFileVersionDisplayContext(
                    request, response, fileShortcut, resourceBundle);

            if (fileShortcut == null) {
                return igViewFileVersionDisplayContext;
            }

            for (IGDisplayContextFactory igDisplayContextFactory : _igDisplayContextFactories) {

                igViewFileVersionDisplayContext = igDisplayContextFactory.getIGViewFileVersionDisplayContext(
                        igViewFileVersionDisplayContext, request, response, fileShortcut);
            }

            return igViewFileVersionDisplayContext;
        } catch (PortalException pe) {
            throw new SystemException(pe);
        }
    }

    public IGViewFileVersionDisplayContext getIGViewFileVersionActionsDisplayContext(HttpServletRequest request,
            HttpServletResponse response, FileVersion fileVersion) {

        try {
            ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

            ResourceBundle resourceBundle = _resourceBundleLoader.loadResourceBundle(themeDisplay.getLanguageId());

            IGViewFileVersionDisplayContext igViewFileVersionDisplayContext = new DefaultIGViewFileVersionDisplayContext(
                    request, response, fileVersion, resourceBundle);

            if (fileVersion == null) {
                return igViewFileVersionDisplayContext;
            }

            for (IGDisplayContextFactory igDisplayContextFactory : _igDisplayContextFactories) {

                igViewFileVersionDisplayContext = igDisplayContextFactory.getIGViewFileVersionDisplayContext(
                        igViewFileVersionDisplayContext, request, response, fileVersion);
            }

            return igViewFileVersionDisplayContext;
        } catch (PortalException pe) {
            throw new SystemException(pe);
        }
    }

    @Activate
    protected void activate(BundleContext bundleContext) {
        _igDisplayContextFactories = ServiceTrackerListFactory.open(bundleContext, IGDisplayContextFactory.class);
    }

    @Deactivate
    protected void deactivate(BundleContext bundleContext) {
        _igDisplayContextFactories.close();
    }

    @Reference(target = "(bundle.symbolic.name=com.liferay.document.library.web)", unbind = "-")
    protected void setResourceBundleLoader(ResourceBundleLoader resourceBundleLoader) {

        _resourceBundleLoader = new AggregateResourceBundleLoader(resourceBundleLoader,
                LanguageUtil.getPortalResourceBundleLoader());
    }

    private ServiceTrackerList<IGDisplayContextFactory, IGDisplayContextFactory> _igDisplayContextFactories;
    private ResourceBundleLoader _resourceBundleLoader;

}