/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF 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.opentides.controller;
import java.io.File;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.opentides.controller.BaseCrudController;
import org.apache.log4j.Logger;
import org.opentides.service.FileInfoService;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;
import org.opentides.bean.FileInfo;
/**
* @author allantan
*
*/
public class DownloadFileInfoController extends AbstractController {
private static Logger _log = Logger.getLogger(BaseCrudController.class);
private FileInfoService fileInfoService;
/* (non-Javadoc)
* @see org.springframework.web.servlet.mvc.AbstractController#handleRequestInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request,
HttpServletResponse response) throws Exception {
FileInfo fileInfo = fileInfoService.load(request.getParameter("FileInfoId"));
if (fileInfo != null) {
File file = new File(fileInfo.getFullPath());
if(!file.exists()) {
_log.error("File [" + fileInfo.getFullPath() + "] not found.");
} else {
response.setHeader(
"Content-disposition",
"attachment; filename=" + fileInfo.getFilename());
byte[] bytes = FileCopyUtils.copyToByteArray(file);
OutputStream outputStream = response.getOutputStream();
outputStream.write(bytes);
outputStream.flush();
return null;
}
}
// failed to download
Map<String,String> model = new HashMap<String,String>();
model.put("message", "msg.file-not-found");
model.put("title", "label.download-file");
return new ModelAndView("user-message", model);
}
/**
* @param fileInfoService the fileInfoService to set
*/
public final void setFileInfoService(FileInfoService fileInfoService) {
this.fileInfoService = fileInfoService;
}
}