File uploading with apache-commons-fileupload

Apache Commons FileUpload

import java.io.InputStream;
import java.util.List;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FilenameUtils;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

List<FileItem> items = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);
for (FileItem item : items) {
    if (item.isFormField()) {
        // Process regular form field (input type="text|radio|checkbox|etc", select, etc).
        String fieldname = item.getFieldName();
        String fieldvalue = item.getString();
        // ... (do your job here)
    } else {
        // Process form file field (input type="file").
        String fieldname = item.getFieldName();
        String filename = FilenameUtils.getName(item.getName());
        InputStream filecontent = item.getInputStream();
        // ... (do your job here)
    }
}