com.liferay.modules.wiki.extractor.service.impl.WikiContentServiceImpl.java Source code

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Here is the source code for com.liferay.modules.wiki.extractor.service.impl.WikiContentServiceImpl.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.modules.wiki.extractor.service.impl;

import com.liferay.document.library.kernel.model.DLFileEntry;
import com.liferay.document.library.kernel.model.DLFolder;
import com.liferay.document.library.kernel.service.DLFileEntryLocalService;
import com.liferay.document.library.kernel.service.DLFolderLocalService;
import com.liferay.modules.wiki.extractor.service.base.WikiContentServiceBaseImpl;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.util.CharPool;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.spring.extender.service.ServiceReference;
import com.liferay.wiki.engine.impl.WikiEngineRenderer;
import com.liferay.wiki.model.WikiPage;
import com.liferay.wiki.service.WikiPageLocalService;

import aQute.bnd.annotation.ProviderType;

/**
 * The implementation of the wiki content remote service.
 *
 * <p>
 * All custom service methods should be put in this class. Whenever methods are added, rerun ServiceBuilder to copy their definitions into the {@link com.liferay.modules.wiki.extractor.service.WikiContentService} interface.
 *
 * <p>
 * This is a remote service. Methods of this service are expected to have security checks based on the propagated JAAS credentials because this service can be accessed remotely.
 * </p>
 *
 * @author Vilmos Papp
 * @see WikiContentServiceBaseImpl
 * @see com.liferay.modules.wiki.extractor.service.WikiContentServiceUtil
 */
@ProviderType
public class WikiContentServiceImpl extends WikiContentServiceBaseImpl {
    /*
     * NOTE FOR DEVELOPERS:
     *
     * Never reference this class directly. Always use {@link com.liferay.modules.wiki.extractor.service.WikiContentServiceUtil} to access the wiki content remote service.
     */
    public String getRenderedWikiPage(String siteUrl, long plid, long groupId, long nodeId, String name)
            throws PortalException {

        WikiPage page = _wikiPageLocalService.getPage(nodeId, name, true);

        StringBundler sb = new StringBundler(8);

        sb.append(siteUrl);
        sb.append("/documents/portlet_file_entry/");
        sb.append(groupId);
        sb.append("/");

        String attachmentURLPrefix = sb.toString();

        long folderId = 0;
        DLFolder folder = _dlFolderLocalService.fetchFolder(groupId, page.getNodeAttachmentsFolderId(),
                String.valueOf(page.getResourcePrimKey()));

        if (folder != null) {
            folderId = folder.getFolderId();
        }

        try {
            String content = _wikiEngineRenderer.convert(page, null, null, attachmentURLPrefix);

            return _postProcessHTMLContent(content, groupId, folderId, attachmentURLPrefix, plid);
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        }
    }

    private String _postProcessHTMLContent(String content, long groupId, long folderId, String attachmentURLPrefix,
            long width) {

        if (folderId == 0) {
            return content;
        }

        StringBundler sb = new StringBundler();

        int idx = 0;
        int endIdx = 0;
        boolean start = true;

        while ((idx = content.indexOf(attachmentURLPrefix, idx)) > -1) {
            if (start) {
                sb.append(content.substring(0, idx));
                start = false;
            }

            if (endIdx > 0) {
                sb.append(content.substring(endIdx + 1, idx));
            }

            endIdx = content.indexOf(CharPool.GREATER_THAN, idx);
            sb.append(content.substring(idx, endIdx - 3));

            System.out.println("idx: " + idx + ", endidx: " + endIdx);

            String title = content.substring(idx + attachmentURLPrefix.length(), endIdx - 3);

            System.out.println("Title: " + title);

            idx = endIdx;

            try {
                DLFileEntry entry = _dlFileEntryLocalService.getFileEntry(groupId, folderId, title);
                sb.append(StringPool.SLASH);
                sb.append(entry.getUuid());
                sb.append("\" width=\"");
                sb.append(width);
                sb.append("px\"/>");
            } catch (PortalException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        if (endIdx < content.length()) {
            sb.append(content.substring(endIdx + 1));
        }

        return sb.toString();
    }

    @ServiceReference(type = DLFolderLocalService.class)
    private DLFolderLocalService _dlFolderLocalService;

    @ServiceReference(type = DLFileEntryLocalService.class)
    private DLFileEntryLocalService _dlFileEntryLocalService;
    @ServiceReference(type = WikiEngineRenderer.class)
    private WikiEngineRenderer _wikiEngineRenderer;
    @ServiceReference(type = WikiPageLocalService.class)
    private WikiPageLocalService _wikiPageLocalService;

}