FileEntryBean.java

package com.ese.ils.beta.beans;

import java.io.File;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import javax.activation.MimetypesFileTypeMap;
import javax.faces.bean.CustomScoped;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.SessionScoped;
import javax.faces.bean.ViewScoped;
import javax.faces.context.FacesContext;

import org.icefaces.ace.component.fileentry.FileEntry;
import org.icefaces.ace.component.fileentry.FileEntryEvent;
import org.icefaces.ace.component.fileentry.FileEntryResults;

import com.ese.ils.beta.service.SlideLocalServiceUtil;
import com.ese.ils.beta.util.PNGCreator;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.service.RepositoryEntryLocalServiceUtil;
import com.liferay.portal.service.ResourcePermissionServiceUtil;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portlet.documentlibrary.NoSuchFolderException;
import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;
/**
 * dient fuer Dateioperation wie hochladen von PDFs
 * @author julien hofer
 *
 */
@ManagedBean(name = FileEntryBean.BEAN_NAME)
@ViewScoped
// @SessionScoped
public class FileEntryBean implements Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = -2980292251518510630L;
	/**
	 * 
	 */
	//Injection
	@ManagedProperty(value="#{groupBackingBean}")
	private transient GroupBackingBean groupBackingBean;
	
	@ManagedProperty(value="#{moduleModelBean}")
	private transient ModuleModelBean moduleModelBean;
	//Variablen
	private String moduleName;
	public static final String BEAN_NAME = "fileEntry";
	private List<String> fileData;
	Folder groupFolder;
	private static final long REPOSITORY_ID = 25509;
	private String contentDescription = "";
	//Konstruktor
	public FileEntryBean() {
	}
	/**
	 * laedt PDF Dateien hoch und wandelt diese in PNG Bilder
	 * @param e
	 */
	public void sampleListener(FileEntryEvent e) {
		System.out.println("Sampler reached");
		FileEntry fe = (FileEntry) e.getComponent();
		FileEntryResults results = fe.getResults();
		File parent = null;

		fileData = new ArrayList<String>();

		// get data About File

		for (FileEntryResults.FileInfo i : results.getFiles()) {
			fileData.add("File Name: " + i.getFileName());
			System.out.println("FileName: " + i.getFileName());

			if (i.isSaved()) {
				System.out.println("GESPEICHERT!");
				fileData.add("File Size: " + i.getSize() + " bytes");
				System.out.println("FileSize :" + i.getSize());
				File file = i.getFile();
				if (file != null) {
					parent = file.getParentFile();
					// TODO: catch numberformatexception
					System.out.println(""+moduleModelBean.getModuleId());
					processSlideSet(file, Long.valueOf(moduleModelBean.getModuleId()));

				}
			} else {
				fileData.add("File was not saved because: "
						+ i.getStatus()
								.getFacesMessage(
										FacesContext.getCurrentInstance(), fe,
										i).getSummary());
			}
		}

		if (parent != null) {
			long dirSize = 0;
			int fileCount = 0;
			for (File file : parent.listFiles()) {
				fileCount++;
				dirSize += file.length();
			}
			fileData.add("Total Files In Upload Directory: " + fileCount);
			fileData.add("Total Size of Files In Directory: " + dirSize
					+ " bytes");
		}
	}
	
	/**
	 * dient zum Hochladen von Inhalten fuer die Gruppenarbeit
	 * @param e
	 */
	public void uploadContent(FileEntryEvent e) {
		System.out.println("Sampler reached");
		FileEntry fe = (FileEntry) e.getComponent();
		FileEntryResults results = fe.getResults();
		File parent = null;

		fileData = new ArrayList<String>();

		// get data About File

		for (FileEntryResults.FileInfo i : results.getFiles()) {
			fileData.add("File Name: " + i.getFileName());
			System.out.println("FileName: " + i.getFileName());

			if (i.isSaved()) {
				System.out.println("zwischengespeichert!");
				fileData.add("File Size: " + i.getSize() + " bytes");
				System.out.println("FileSize :" + i.getSize());
				File file = i.getFile();
				if (file != null) {
					parent = file.getParentFile();
					System.out.println(groupBackingBean.getSessionId());
					processContentUpload(file, Long.valueOf(groupBackingBean.getSessionId()));
				}
			} else {
				fileData.add("File was not saved because: "
						+ i.getStatus()
								.getFacesMessage(
										FacesContext.getCurrentInstance(), fe,
										i).getSummary());
			}
		}

		if (parent != null) {
			long dirSize = 0;
			int fileCount = 0;
			for (File file : parent.listFiles()) {
				fileCount++;
				dirSize += file.length();
			}
			fileData.add("Total Files In Upload Directory: " + fileCount);
			fileData.add("Total Size of Files In Directory: " + dirSize
					+ " bytes");
		}
	}
	
	/**
	 * schreibt die Inhalte der Gruppe in die Datenbank
	 * @param file
	 * @param groupId
	 */
	private void processContentUpload(File file, long groupId) {
		ServiceContext serviceContext = new ServiceContext();
		System.out.println("content upload");
		System.out.println(new MimetypesFileTypeMap().getContentType(file));
		try{
			long groupParentFolderId = DLAppServiceUtil.getFolder(REPOSITORY_ID, 0, "group").getFolderId(); 
			groupFolder = DLAppServiceUtil.getFolder(REPOSITORY_ID, groupParentFolderId, "" + groupId);
		} catch (NoSuchFolderException ne){
			try {
				long groupParentFolderId = DLAppServiceUtil.getFolder(REPOSITORY_ID, 0, "group").getFolderId(); 
				groupFolder = DLAppServiceUtil.addFolder(REPOSITORY_ID, groupParentFolderId, ""
						+ groupId, "group content " + groupId, serviceContext);
			} catch (PortalException e) {
				
				e.printStackTrace();
			} catch (SystemException e) {
				
				e.printStackTrace();
			}
		} catch (PortalException e) {
			
			e.printStackTrace();
		} catch (SystemException e) {
			
			e.printStackTrace();
		}
		
		try {
			DLAppServiceUtil.addFileEntry(REPOSITORY_ID,groupFolder.getFolderId(), file.getName(), new MimetypesFileTypeMap().getContentType(file),
					file.getName(), contentDescription, "initial upload", file, serviceContext);
		} catch (PortalException e) {
			
			e.printStackTrace();
		} catch (SystemException e) {
			
			e.printStackTrace();
		}
		groupBackingBean.fetchContentItems();
	
	}
	
	/**
	 * schreibt die PNG Bilder in die Datenbank
	 * @param slideSet
	 * @param moduleId
	 */
	void processSlideSet(File slideSet, long moduleId) {
		try {
			System.out.println("PROZESSOR:");
			// conversion failed yes/no?
			List<File> slidePNGs = PNGCreator.convertPDFtoPNG(slideSet,
					moduleId);
			System.out.println("conversion:");
			
			// Test
			System.out.println(RepositoryEntryLocalServiceUtil.getRepositoryEntriesCount());
			// determine slide folder id
			long slideParentFolderId = DLAppServiceUtil.getFolder(REPOSITORY_ID, 0, "slides").getFolderId();
			// save set as original pdf in dlfolder
			com.liferay.portal.kernel.repository.model.FileEntry slideSetEntry = SlideLocalServiceUtil
					.addSlideSet(slideSet, REPOSITORY_ID, slideParentFolderId, moduleId); 
			// create module-specific folder
			ServiceContext serviceContext = new ServiceContext();
			Folder folder = DLAppServiceUtil.addFolder(REPOSITORY_ID, slideParentFolderId, ""
					+ moduleId, "slides for module no. " + moduleId, serviceContext);
			// save each single slide, slides already equiped with unique ids!!!
			boolean status = SlideLocalServiceUtil.addSlides(slidePNGs, REPOSITORY_ID,
					folder.getFolderId(), moduleId);
			System.out.println(status);
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	public List getFileData() {
		return fileData;
	}

	public String getModuleName() {
		return moduleName;
	}

	public void setModuleName(String moduleName) {
		this.moduleName = moduleName;
	}

	public GroupBackingBean getGroupBackingBean() {
		return groupBackingBean;
	}

	public void setGroupBackingBean(GroupBackingBean groupBackingBean) {
		this.groupBackingBean = groupBackingBean;
	}

	public ModuleModelBean getModuleModelBean() {
		return moduleModelBean;
	}

	public void setModuleModelBean(ModuleModelBean moduleModelBean) {
		this.moduleModelBean = moduleModelBean;
	}

	public String getContentDescription() {
		return contentDescription;
	}

	public void setContentDescription(String contentDescription) {
		this.contentDescription = contentDescription;
	}

}