com.liferay.portlet.wiki.action.ImportPagesAction.java Source code

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Here is the source code for com.liferay.portlet.wiki.action.ImportPagesAction.java

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/**
 * Copyright (c) 2000-2012 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.portlet.wiki.action;

import com.liferay.portal.kernel.exception.PortalException;
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.ProgressTracker;
import com.liferay.portal.kernel.util.ProgressTrackerThreadLocal;
import com.liferay.portal.kernel.util.StreamUtil;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.struts.PortletAction;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.wiki.NoSuchNodeException;
import com.liferay.portlet.wiki.service.WikiNodeServiceUtil;
import com.liferay.portlet.wiki.util.WikiCacheThreadLocal;
import com.liferay.portlet.wiki.util.WikiCacheUtil;

import java.io.InputStream;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author Jorge Ferrer
 */
public class ImportPagesAction extends PortletAction {

    @Override
    public void processAction(ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
            ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        try {
            importPages(actionRequest, actionResponse);

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

                SessionErrors.add(actionRequest, e.getClass().getName());

                setForward(actionRequest, "portlet.wiki.error");
            } else if (e instanceof PortalException) {
                SessionErrors.add(actionRequest, e.getClass().getName());
            } else {
                throw e;
            }
        }
    }

    @Override
    public ActionForward render(ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
            RenderRequest renderRequest, RenderResponse renderResponse) throws Exception {

        try {
            ActionUtil.getNode(renderRequest);
        } catch (Exception e) {
            if (e instanceof NoSuchNodeException || e instanceof PrincipalException) {

                SessionErrors.add(renderRequest, e.getClass().getName());

                return mapping.findForward("portlet.wiki.error");
            } else {
                throw e;
            }
        }

        return mapping.findForward(getForward(renderRequest, "portlet.wiki.import_pages"));
    }

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

        UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest);

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

        ProgressTracker progressTracker = new ProgressTracker(actionRequest, importProgressId);

        ProgressTrackerThreadLocal.setProgressTracker(progressTracker);

        progressTracker.start();

        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);

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

        WikiCacheUtil.clearCache(nodeId);

        progressTracker.finish();
    }

}