SlideLocalServiceImpl.java

/**
 * 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.ese.ils.beta.service.impl;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

import javax.faces.model.SelectItem;

import com.ese.ils.beta.service.base.SlideLocalServiceBaseImpl;
import com.ese.ils.beta.util.DeComposer;
import com.ese.ils.beta.model.Slide;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;

/**
 * The implementation of the slide local 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.ese.ils.beta.service.SlideLocalService} interface.
 * 
 * <p>
 * This is a local service. Methods of this service will not have security
 * checks based on the propagated JAAS credentials because this service can only
 * be accessed from within the same VM.
 * </p>
 * 
 * @author edik
 * @see com.ese.ils.beta.service.base.SlideLocalServiceBaseImpl
 * @see com.ese.ils.beta.service.SlideLocalServiceUtil
 */
public class SlideLocalServiceImpl extends SlideLocalServiceBaseImpl {

	public FileEntry addSlideSet(File slideSet, long repositoryId,
			long folderId, long moduleId) {
		FileEntry fileEntry = null;
		ServiceContext serviceContext = new ServiceContext();
		try {
			fileEntry = DLAppServiceUtil.addFileEntry(repositoryId, folderId,
					slideSet.getName(), "application/pdf", moduleId
							+ " slide set",
					"slides for module nr. " + moduleId, "initial upload",
					slideSet, serviceContext);
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		return fileEntry;
	}

	// add the converted png slides to the repo
	public boolean addSlides(List<File> slidePNGs, long repositoryId,
			long folderId, long moduleId) throws PortalException,
			SystemException {
		boolean status = false;
		String idTemp;
		// nicht null, weil array bei 0 beginnt
		int slideNr = 1;

		ServiceContext serviceContext = new ServiceContext();

		Iterator<File> pngIterator = slidePNGs.iterator();
		while (pngIterator.hasNext()) {
			File slideFile = pngIterator.next();
			FileEntry fileEntry = DLAppServiceUtil.addFileEntry(repositoryId,
					folderId, slideFile.getName(), "image/png",
					slideFile.getName(), "modul nr.: " + moduleId
							+ " slide nr.: " + slideNr, "initial upload",
					slideFile, serviceContext);
			idTemp = DeComposer.longToPrimaryKey(moduleId,Long.valueOf(slideNr));
			Slide slide = slidePersistence.create(new Long(idTemp));
			slide.setModuleId(moduleId);
			slide.setCreateDate(new Date());
			slide.setModifiedDate(new Date());
			slide.setFileEntryId(fileEntry.getFileEntryId());
			slide.setAddtionalInfo("links and additional information here");
			slide.setIndex(slideNr-1);
			slidePersistence.update(slide, false);
			slideNr++;
			status = true;
		}
		return status;
	}
	
	
	public List<Slide> fetchModuleSlides(long moduleId) {
		List<Slide> slideList = new ArrayList<Slide>();
		try {
			slideList = slidePersistence.findByByModule(moduleId);
		} catch (SystemException e) {
			e.printStackTrace();
		}
		return slideList;
	}
}