DLViewMVCRenderCommand.java

/**
 * 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.portlet.action;

import com.liferay.document.library.kernel.model.DLFolder;
import com.liferay.document.library.kernel.model.DLFolderConstants;
import com.liferay.document.library.kernel.service.DLAppService;
import com.liferay.document.library.kernel.service.DLFolderLocalService;
import com.liferay.document.library.web.constants.DLPortletKeys;
import com.liferay.document.library.web.constants.DLWebKeys;
import com.liferay.document.library.web.internal.portlet.toolbar.contributor.DLPortletToolbarContributor;
import com.liferay.document.library.web.internal.util.DLTrashUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCRenderCommand;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.ParamUtil;

import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Iván Zaera
 */
@Component(
	property = {
		"javax.portlet.name=" + DLPortletKeys.DOCUMENT_LIBRARY,
		"javax.portlet.name=" + DLPortletKeys.DOCUMENT_LIBRARY_ADMIN,
		"mvc.command.name=/", "mvc.command.name=/document_library/view",
		"mvc.command.name=/document_library/view_folder"
	},
	service = MVCRenderCommand.class
)
public class DLViewMVCRenderCommand extends GetFolderMVCRenderCommand {

	@Override
	public String render(
			RenderRequest renderRequest, RenderResponse renderResponse)
		throws PortletException {

		renderRequest.setAttribute(
			DLWebKeys.DOCUMENT_LIBRARY_PORTLET_TOOLBAR_CONTRIBUTOR,
			_dlPortletToolbarContributor);

		try {
			pingFolderRepository(renderRequest);
		}
		catch (Exception e) {
			SessionErrors.add(renderRequest, "repositoryPingFailed", e);

			return "/document_library/error.jsp";
		}

		return super.render(renderRequest, renderResponse);
	}

	@Override
	protected DLTrashUtil getDLTrashUtil() {
		return _dlTrashUtil;
	}

	@Override
	protected String getPath() {
		return "/document_library/view.jsp";
	}

	protected void pingFolderRepository(RenderRequest renderRequest)
		throws Exception {

		String mvcRenderCommandName = ParamUtil.getString(
			renderRequest, "mvcRenderCommandName");

		if (!mvcRenderCommandName.equals("/document_library/view_folder")) {
			return;
		}

		long folderId = ParamUtil.getLong(renderRequest, "folderId");

		if (folderId == DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
			return;
		}

		DLFolder dlFolder = _dlFolderLocalService.fetchDLFolder(folderId);

		if ((dlFolder == null) || !dlFolder.isMountPoint()) {
			return;
		}

		_dlAppService.getFileEntriesCount(
			dlFolder.getRepositoryId(), dlFolder.getFolderId());
	}

	@Reference
	private DLAppService _dlAppService;

	@Reference
	private DLFolderLocalService _dlFolderLocalService;

	@Reference
	private DLPortletToolbarContributor _dlPortletToolbarContributor;

	@Reference
	private DLTrashUtil _dlTrashUtil;

}