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package dk.daoas.adressevedligehold;
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import java.io.File;
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import java.io.IOException;
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import java.util.List;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.fileupload.FileItem;
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import org.apache.commons.fileupload.FileUploadException;
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import org.apache.commons.fileupload.disk.DiskFileItemFactory;
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import org.apache.commons.fileupload.servlet.ServletFileUpload;
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import dk.daoas.adressevedligehold.tasks.TaskManager;
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/*
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* TODO: understøt indlæsning af FD
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* TODO: understøt indlæsning af NS
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*/
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/**
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* Servlet implementation class FileUploadServlet
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*/
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@WebServlet("/FileUploadServlet")
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public class FileUploadServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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public FileUploadServlet() {
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super();
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}
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/*
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* https://commons.apache.org/proper/commons-fileupload/using.html
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// Create a factory for disk-based file items
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DiskFileItemFactory factory = new DiskFileItemFactory();
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// Configure a repository (to ensure a secure temp location is used)
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ServletContext servletContext = this.getServletConfig().getServletContext();
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File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
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System.out.println( "Path: " + repository.getPath() );
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factory.setRepository(repository);
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// Create a new file upload handler
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ServletFileUpload upload = new ServletFileUpload(factory);
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try {
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// Parse the request
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List<FileItem> items = upload.parseRequest(request);
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if ( items.size() == 0) {
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System.out.println("No file uploaded");
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return;
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}
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if ( items.size() >1) {
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System.out.println("Uploaded " + items.size() + " items");
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}
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String distributor = null;
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FileItem item = null;
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boolean writeback = false;
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for (FileItem i : items) {
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if (i.isFormField()) {
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System.out.println("FormField: " + i.getFieldName() + "=" + i.getString() );
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switch (i.getFieldName().toLowerCase()) {
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case "distributor":
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distributor = i.getString();
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break;
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case "writeback":
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writeback = Boolean.parseBoolean( i.getString() );
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break;
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default:
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System.out.println("Unknown form field: " + i.getFieldName() );
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}
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} else {
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System.out.println("received " + i.getSize() + " bytes in " + i.getName() + " " + i.getContentType());
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item = i;
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}
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}
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if (item == null) {
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System.out.println("No file uploaded");
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return;
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}
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if (distributor == null || distributor.equals("")) {
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item.delete();
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return;
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}
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distributor = distributor.toUpperCase();
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AddressSource source = null;
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switch (distributor) {
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case "BK":
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source = new AddressSourceBK( item );
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break;
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case "DAO":
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source = new AddressSourceDAO( item );
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break;
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case "FD":
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source = new AddressSourceFD( item );
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break;
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case "NS":
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source = new AddressSourceNS( item );
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break;
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default:
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System.out.println("Unknown distributor: " + distributor);
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item.delete();
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return;
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}
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TaskManager taskManager = (TaskManager) this.getServletContext().getAttribute(TaskManager.TASKMANAGER);
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AddressTask task = new AddressTask(source, writeback);
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taskManager.submitTask(task);
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}
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catch (FileUploadException fue) {
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System.out.println("UploadException: " + fue.getMessage() );
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}
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catch (Exception e) {
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throw new ServletException(e);
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}
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response.getWriter().write("OK");
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}
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}
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