com.liferay.wiki.web.internal.portlet.action.ImportPagesMVCActionCommand.java Source code

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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.wiki.web.internal.portlet.action;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand;
import com.liferay.portal.kernel.security.auth.PrincipalException;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.NotificationThreadLocal;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.ProgressTracker;
import com.liferay.portal.kernel.util.ProgressTrackerThreadLocal;
import com.liferay.portal.kernel.util.StreamUtil;
import com.liferay.wiki.constants.WikiPortletKeys;
import com.liferay.wiki.exception.NoSuchNodeException;
import com.liferay.wiki.service.WikiNodeService;
import com.liferay.wiki.util.WikiCacheHelper;
import com.liferay.wiki.util.WikiCacheThreadLocal;

import java.io.InputStream;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;

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

/**
 * @author Jorge Ferrer
 */
@Component(immediate = true, property = { "javax.portlet.name=" + WikiPortletKeys.WIKI_ADMIN,
        "mvc.command.name=/wiki/import_pages" }, service = MVCActionCommand.class)
public class ImportPagesMVCActionCommand extends BaseMVCActionCommand {

    @Override
    protected void doProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        try {
            importPages(actionRequest, actionResponse);
        } catch (Exception e) {
            if (e instanceof NoSuchNodeException || e instanceof PrincipalException) {

                SessionErrors.add(actionRequest, e.getClass());
            } else if (e instanceof PortalException) {
                SessionErrors.add(actionRequest, e.getClass());
            } else {
                throw new PortletException(e);
            }
        }
    }

    protected void importPages(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest);

        String importProgressId = ParamUtil.getString(uploadPortletRequest, "importProgressId");

        ProgressTracker progressTracker = new ProgressTracker(importProgressId);

        ProgressTrackerThreadLocal.setProgressTracker(progressTracker);

        progressTracker.start(actionRequest);

        long nodeId = ParamUtil.getLong(uploadPortletRequest, "nodeId");
        String importer = ParamUtil.getString(uploadPortletRequest, "importer");

        int filesCount = ParamUtil.getInteger(uploadPortletRequest, "filesCount", 10);

        InputStream[] inputStreams = new InputStream[filesCount];

        try {
            for (int i = 0; i < filesCount; i++) {
                inputStreams[i] = uploadPortletRequest.getFileAsStream("file" + i);
            }

            NotificationThreadLocal.setEnabled(false);
            WikiCacheThreadLocal.setClearCache(false);

            _wikiNodeService.importPages(nodeId, importer, inputStreams, actionRequest.getParameterMap());
        } finally {
            for (InputStream inputStream : inputStreams) {
                StreamUtil.cleanUp(inputStream);
            }
        }

        _wikiCacheHelper.clearCache(nodeId);

        progressTracker.finish(actionRequest);
    }

    @Reference(unbind = "-")
    protected void setWikiCacheHelper(WikiCacheHelper wikiCacheHelper) {
        _wikiCacheHelper = wikiCacheHelper;
    }

    @Reference(unbind = "-")
    protected void setWikiNodeService(WikiNodeService wikiNodeService) {
        _wikiNodeService = wikiNodeService;
    }

    private WikiCacheHelper _wikiCacheHelper;
    private WikiNodeService _wikiNodeService;

}