/*
* Copyright (c) 2005-2008, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.theme.mgt.ui.processors;
import org.apache.batik.transcoder.TranscoderOutput;
import org.apache.batik.transcoder.image.JPEGTranscoder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.CarbonConstants;
import org.wso2.carbon.CarbonException;
import org.wso2.carbon.registry.core.RegistryConstants;
import org.wso2.carbon.theme.mgt.ui.clients.ThemeMgtServiceClient;
import org.wso2.carbon.ui.CarbonUIMessage;
import org.wso2.carbon.ui.transports.fileupload.AbstractFileUploadExecutor;
import org.wso2.carbon.utils.FileItemData;
import org.wso2.carbon.utils.ServerConstants;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.imageio.ImageIO;
import javax.mail.util.ByteArrayDataSource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/*
* Copyright (c) 2006, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
public class AddThemeResourceProcessor extends AbstractFileUploadExecutor {
private static final Log log = LogFactory.getLog(AddThemeResourceProcessor.class);
public boolean execute(HttpServletRequest request, HttpServletResponse response)
throws CarbonException, IOException {
String webContext = (String) request.getAttribute(CarbonConstants.WEB_CONTEXT);
String serverURL = (String) request.getAttribute(CarbonConstants.SERVER_URL);
String cookie = (String) request.getAttribute(ServerConstants.ADMIN_SERVICE_COOKIE);
HttpSession session = request.getSession();
if (fileItemsMap == null || fileItemsMap.isEmpty()) {
String msg = "File uploading failed. Content is not set properly.";
log.error(msg);
CarbonUIMessage.sendCarbonUIMessage(msg, CarbonUIMessage.ERROR, request);
response.sendRedirect(
"../" + webContext + "/admin/error.jsp");
return false;
}
try {
ThemeMgtServiceClient client =
new ThemeMgtServiceClient(cookie, serverURL, configurationContext);
String parentPath = null;
if (formFieldsMap.get("path") != null) {
parentPath = formFieldsMap.get("path").get(0);
}
String resourceName = null;
if (formFieldsMap.get("filename") != null) {
resourceName = formFieldsMap.get("filename").get(0);
}
String mediaType = null;
if (formFieldsMap.get("mediaType") != null) {
mediaType = formFieldsMap.get("mediaType").get(0);
}
String description = null;
if (formFieldsMap.get("description") != null) {
description = formFieldsMap.get("description").get(0);
}
String symlinkLocation = null;
if (formFieldsMap.get("symlinkLocation") != null) {
symlinkLocation = formFieldsMap.get("symlinkLocation").get(0);
}
String redirectWith = null;
if (formFieldsMap.get("redirectWith") != null) {
redirectWith = formFieldsMap.get("redirectWith").get(0);
}
/*
// currently chroot will not work with multitenancy
IServerAdmin adminClient =
(IServerAdmin) CarbonUIUtil.
getServerProxy(new ServerAdminClient(configurationContext,
serverURL, cookie, session), IServerAdmin.class, session);
ServerData data = adminClient.getServerData();
String chroot = "";
if (data.getRegistryType().equals("remote") && data.getRemoteRegistryChroot() != null &&
!data.getRemoteRegistryChroot().equals(RegistryConstants.PATH_SEPARATOR)) {
chroot = data.getRemoteRegistryChroot();
if (!chroot.startsWith(RegistryConstants.PATH_SEPARATOR)) {
chroot = RegistryConstants.PATH_SEPARATOR + chroot;
}
if (chroot.endsWith(RegistryConstants.PATH_SEPARATOR)) {
chroot = chroot.substring(0, chroot.length() - RegistryConstants.PATH_SEPARATOR.length());
}
}
if (symlinkLocation != null) {
symlinkLocation = chroot + symlinkLocation;
}
*/
FileItemData fileItemData = fileItemsMap.get("upload").get(0);
if ((fileItemData == null) || (fileItemData.getFileItem().getSize() == 0)) {
String msg = "Failed add resource. Resource content is empty.";
log.error(msg);
CarbonUIMessage.sendCarbonUIMessage(msg, CarbonUIMessage.ERROR, request);
response.sendRedirect(
"../" + webContext + "/admin/error.jsp");
return false;
}
DataHandler dataHandler = scaleImage(fileItemData.getDataHandler(), 48, 119, 100);
client.addResource(
calcualtePath(parentPath, resourceName), mediaType, description, dataHandler,
symlinkLocation, redirectWith);
response.setContentType("text/html; charset=utf-8");
String msg = "The logo has been successfully updated.";
CarbonUIMessage.sendCarbonUIMessage(msg, CarbonUIMessage.INFO, request);
String redirectTo = request.getParameter("redirectto");
if ("theme_mgt".equals(redirectTo)) {
response.setHeader("Cache-Control", "no-cache, must-revalidate");
response.sendRedirect("../" + webContext +
"/tenant-theme/theme_mgt.jsp?logoChanged=true&redirectWith=" + redirectWith);
}else if ("logo_mgt".equals(redirectTo)) {
response.setHeader("Cache-Control", "no-cache, must-revalidate");
response.sendRedirect("../" + webContext +
"/tenant-theme/logo_mgt.jsp?logoChanged=true&redirectWith=" + redirectWith);
}
else {
response.sendRedirect("../" + webContext + "/tenant-theme/theme_advanced.jsp?path=" + parentPath);
}
return true;
} catch (Exception e) {
String msg = "File upload failed. Please confirm that the chosen image is not corrupted " +
"and retry uploading, or upload a valid image.";
log.error(msg + " " + e.getMessage());
CarbonUIMessage.sendCarbonUIMessage(msg, CarbonUIMessage.ERROR, request);
response.sendRedirect(
"../" + webContext + "/admin/error.jsp");
return false;
}
}
private static DataHandler scaleImage(DataHandler dataHandler, int height, int width, int quality)
throws Exception {
Image image = ImageIO.read(new BufferedInputStream(dataHandler.getInputStream()));
// Maintain Aspect ratio
int thumbHeight = height;
int thumbWidth = width;
double thumbRatio = (double)width / (double)height;
double imageRatio = (double)image.getWidth(null) / (double)image.getHeight(null);
if (thumbRatio < imageRatio) {
thumbHeight = (int)(thumbWidth / imageRatio);
} else {
thumbWidth = (int)(thumbHeight * imageRatio);
}
BufferedImage thumb =
new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = thumb.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);
ByteArrayOutputStream output = new ByteArrayOutputStream();
JPEGTranscoder transcoder = new JPEGTranscoder();
transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(
Math.max(0, Math.min(quality, 100)) / 100.0f));
transcoder.writeImage(thumb, new TranscoderOutput(output));
DataSource dataSource= new ByteArrayDataSource(output.toByteArray(), "application/octet-stream");
return new DataHandler(dataSource);
}
private static String calcualtePath(String parentPath, String resourceName) {
String resourcePath;
if (!parentPath.startsWith(RegistryConstants.PATH_SEPARATOR)) {
parentPath = RegistryConstants.PATH_SEPARATOR + parentPath;
}
if (parentPath.endsWith(RegistryConstants.PATH_SEPARATOR)) {
resourcePath = parentPath + resourceName;
} else {
resourcePath = parentPath + RegistryConstants.PATH_SEPARATOR + resourceName;
}
return resourcePath;
}
}