/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.photoalbum.util;
import static org.richfaces.photoalbum.util.Constants.PHOTOALBUM_FOLDER;
import static org.richfaces.photoalbum.util.Constants.TEMP_DIR;
import static org.richfaces.photoalbum.util.Constants.UPLOAD_FOLDER_PATH_ERROR;
import static org.richfaces.photoalbum.util.FileManipulation.copyDirectory;
import static org.richfaces.photoalbum.util.FileManipulation.deleteDirectory;
import static org.richfaces.photoalbum.util.FileManipulation.joinFiles;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.ejb.Startup;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Produces;
import javax.faces.context.FacesContext;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
/**
* Utility class, that perform copying images from ear file to temp folder at startup application
*
* @author Andrey Markavtsov
*
*/
@Startup
@ApplicationScoped
public class ImageCopier {
@Produces
private File uploadRoot;
@SuppressWarnings("unused")
@Produces
private String uploadRootPath;
private String imageSrc;
/**
* Method, that perform copying images from ear file to temp folder at startup application
*
*/
@PostConstruct
public void create() throws IOException {
resolveImageFolder();
resolveUploadRoot();
copyImages();
}
/**
* Method, that perform deleting images from temp folder during destroy application
*
*/
@PreDestroy
public void destroy() throws IOException {
deleteDirectory(uploadRoot, true);
}
private void resolveImageFolder() throws MalformedURLException {
final ServletContext servletContext = ((HttpSession) (FacesContext.getCurrentInstance().getExternalContext()
.getSession(false))).getServletContext();
if (servletContext != null) {
// this.imageSrc = getClass().getClassLoader().getResource(IMAGE_FOLDER).getPath();
this.imageSrc = servletContext.getRealPath("WEB-INF/classes/Upload");
} else {
throw new IllegalStateException(UPLOAD_FOLDER_PATH_ERROR);
}
}
private void resolveUploadRoot() throws IOException {
uploadRoot = new File(joinFiles(System.getProperty(TEMP_DIR), PHOTOALBUM_FOLDER));
if (uploadRoot.exists()) {
deleteDirectory(uploadRoot, true);
}
uploadRoot.mkdir();
uploadRootPath = uploadRoot.getCanonicalPath();
}
private void copyImages() {
try {
copyDirectory(new File(imageSrc), uploadRoot);
} catch (IOException e) {
System.out.println("ERROR on copy '" + imageSrc + "' to '" + uploadRoot + '\'');
}
}
}