/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.ajax.gwt.helper;
import ij.ImagePlus;
import ij.io.Opener;
import ij.process.ImageProcessor;
import org.apache.commons.io.IOUtils;
import org.jahia.ajax.gwt.client.service.GWTJahiaServiceException;
import org.jahia.ajax.gwt.client.service.content.ExistingFileException;
import org.jahia.services.content.JCRContentUtils;
import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.services.content.JCRSessionWrapper;
import org.jahia.services.image.Image;
import org.jahia.services.image.JahiaImageService;
import org.jahia.tools.imageprocess.ImageProcess;
import org.slf4j.Logger;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
public class ImageHelper {
private static final transient Logger logger = org.slf4j.LoggerFactory.getLogger(ImageHelper.class);
private ContentManagerHelper contentManager;
private JahiaImageService imageService;
public void setContentManager(ContentManagerHelper contentManager) {
this.contentManager = contentManager;
}
public void setImageService(JahiaImageService imageService) {
this.imageService = imageService;
}
public void crop(String path, String target, int top, int left, int width, int height, boolean forceReplace, JCRSessionWrapper session) throws GWTJahiaServiceException {
try {
JCRNodeWrapper node = session.getNode(path);
if (contentManager
.checkExistence(node.getPath().replace(node.getName(), target), session) &&
!forceReplace) {
throw new ExistingFileException("The file " + target + " already exists.");
}
Image image = imageService.getImage(node);
File f = File.createTempFile("image", null);
imageService.cropImage(image, f, top, left, width, height);
InputStream fis = new BufferedInputStream(new FileInputStream(f));
try {
node.getParent().uploadFile(target, fis, node.getFileContent().getContentType());
session.save();
} finally {
IOUtils.closeQuietly(fis);
f.delete();
}
} catch (ExistingFileException e) {
throw e;
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new GWTJahiaServiceException(e.getMessage());
}
}
public void resizeImage(String path, String target, int width, int height, boolean forceReplace, JCRSessionWrapper session) throws GWTJahiaServiceException {
try {
JCRNodeWrapper node = session.getNode(path);
if (contentManager
.checkExistence(node.getPath().replace(node.getName(), target), session) &&
!forceReplace) {
throw new ExistingFileException("The file " + target + " already exists.");
}
Image image = imageService.getImage(node);
File f = File.createTempFile("image", null);
imageService.resizeImage(image, f, width, height);
InputStream fis = new BufferedInputStream(new FileInputStream(f));
try {
node.getParent().uploadFile(target, fis, node.getFileContent().getContentType());
session.save();
} finally {
IOUtils.closeQuietly(fis);
f.delete();
}
} catch (ExistingFileException e) {
throw e;
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new GWTJahiaServiceException(e.getMessage());
}
}
public void rotateImage(String path, String target, boolean clockwise, boolean forceReplace, JCRSessionWrapper session) throws GWTJahiaServiceException {
try {
JCRNodeWrapper node = session.getNode(path);
if (contentManager
.checkExistence(node.getPath().replace(node.getName(), target), session) &&
!forceReplace) {
throw new ExistingFileException("The file " + target + " already exists.");
}
Image image = imageService.getImage(node);
File f = File.createTempFile("image", null);
imageService.rotateImage(image, f, clockwise);
InputStream fis = new BufferedInputStream(new FileInputStream(f));
try {
node.getParent().uploadFile(target, fis, node.getFileContent().getContentType());
session.save();
} finally {
IOUtils.closeQuietly(fis);
f.delete();
}
} catch (ExistingFileException e) {
throw e;
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new GWTJahiaServiceException(e.getMessage());
}
}
}