/******************************************************************************
* __ *
* <-----/@@\-----> *
* <-< < \\// > >-> *
* <-<-\ __ /->-> *
* Data / \ Crow *
* ^ ^ *
* info@datacrow.net *
* *
* This file is part of Data Crow. *
* Data Crow 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 3 of the License, or any later version. *
* *
* Data Crow 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, see http://www.gnu.org/licenses *
* *
******************************************************************************/
package net.datacrow.core.web.beans;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import javax.faces.context.FacesContext;
import javax.faces.el.VariableResolver;
import javax.servlet.http.HttpServletResponse;
import net.datacrow.core.modules.DcModules;
import net.datacrow.core.objects.DcObject;
import net.datacrow.core.web.model.DcWebObject;
import net.datacrow.core.web.model.DcWebObjects;
import org.apache.myfaces.custom.navmenu.NavigationMenuItem;
public class DownloadFileBean extends DcBean {
public String open() {
if (!isLoggedIn())
return redirect();
FacesContext fc = FacesContext.getCurrentInstance();
VariableResolver vr = fc.getApplication().getVariableResolver();
DcWebObjects objects = (DcWebObjects) vr.resolveVariable(fc, "webObjects");
List<?> data = (List<?>) objects.getData().getRowData();
DcWebObject wod = (DcWebObject) vr.resolveVariable(fc, "webObject");
int moduleIdx = objects.getModule();
if (!getUser().isAuthorized(DcModules.get(moduleIdx)))
return redirect();
wod.initialize(moduleIdx);
wod.setRowIdx(objects.getData().getRowIndex());
wod.setID((String) data.get(data.size() - 1));
wod.setName(wod.getDcObject().toString());
wod.load();
DcObject dco = wod.getDcObject();
String filename = dco.getFilename();
File file = new File(filename);
HttpServletResponse response = (HttpServletResponse) fc.getExternalContext().getResponse();
int read = 0;
byte[] bytes = new byte[1024];
response.setContentType("application/data");
response.setHeader("Content-Disposition", "attachment;filename=\"" + file.getName() + "\"");
try {
FileInputStream fis = new FileInputStream(file);
OutputStream os = response.getOutputStream();
while((read = fis.read(bytes)) != -1){
os.write(bytes,0,read);
}
os.flush();
os.close();
FacesContext.getCurrentInstance().responseComplete();
} catch (Exception e) {
e.printStackTrace();
}
return current();
}
@Override
public String back() {
return "search";
}
@Override
public String current() {
return "download";
}
@Override
public String getActionListener() {
return "#{download.actionListener}";
}
@Override
public List<NavigationMenuItem> getMenuItems() {
return new ArrayList<NavigationMenuItem>();
}
}