com.liferay.trash.web.internal.portlet.TrashViewPortletProvider.java Source code

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Here is the source code for com.liferay.trash.web.internal.portlet.TrashViewPortletProvider.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.trash.web.internal.portlet;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.portlet.BasePortletProvider;
import com.liferay.portal.kernel.portlet.PortletProvider;
import com.liferay.portal.kernel.portlet.PortletProviderUtil;
import com.liferay.portal.kernel.portlet.ViewPortletProvider;
import com.liferay.portal.kernel.service.permission.PortletPermissionUtil;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.trash.TrashHelper;
import com.liferay.trash.model.TrashEntry;
import com.liferay.trash.web.internal.constants.TrashPortletKeys;

import javax.portlet.PortletRequest;
import javax.portlet.PortletURL;

import javax.servlet.http.HttpServletRequest;

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

/**
 * Provides an implementation of <code>ViewPortletProvider</code> (in
 * <code>com.liferay.portal.kernel</code>) for the Recycle Bin portlet. This
 * implementation is aimed to generate instances of <code>PortletURL</code> (in
 * <code>javax.portlet</code> entities to provide URLs to view Recycle Bin
 * entries.
 *
 * @author Eudaldo Alonso
 */
@Component(immediate = true, property = { "model.class.name=com.liferay.trash.kernel.model.TrashEntry",
        "model.class.name=com.liferay.trash.model.TrashEntry" }, service = ViewPortletProvider.class)
public class TrashViewPortletProvider extends BasePortletProvider implements ViewPortletProvider {

    @Override
    public String getPortletName() {
        return TrashPortletKeys.TRASH;
    }

    @Override
    public PortletURL getPortletURL(HttpServletRequest request) throws PortalException {

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

        String portletId = PortletProviderUtil.getPortletId(TrashEntry.class.getName(),
                PortletProvider.Action.VIEW);

        if (!themeDisplay.isSignedIn() || !_trashHelper.isTrashEnabled(themeDisplay.getScopeGroupId())
                || !PortletPermissionUtil.hasControlPanelAccessPermission(themeDisplay.getPermissionChecker(),
                        themeDisplay.getScopeGroupId(), portletId)) {

            return null;
        }

        PortletURL portletURL = _portal.getControlPanelPortletURL(request, portletId, PortletRequest.RENDER_PHASE);

        portletURL.setParameter("redirect", themeDisplay.getURLCurrent());

        return portletURL;
    }

    @Reference
    private Portal _portal;

    @Reference
    private TrashHelper _trashHelper;

}