adressevedligehold/coveragefileupload/FileUploadServlet.java

package dk.daoas.adressevedligehold;

import java.io.File;
import java.io.IOException;
import java.util.List;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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

import dk.daoas.adressevedligehold.tasks.TaskManager;

/**
 * Servlet implementation class FileUploadServlet
 */
@WebServlet("/FileUploadServlet")
public class FileUploadServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
       
    public FileUploadServlet() {
        super();
    }

    /*
     * https://commons.apache.org/proper/commons-fileupload/using.html
     */
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                // Create a factory for disk-based file items
                DiskFileItemFactory factory = new DiskFileItemFactory();

                // Configure a repository (to ensure a secure temp location is used)
                ServletContext servletContext = this.getServletConfig().getServletContext();
                File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
                
                System.out.println( "Path: " + repository.getPath() );
                
                factory.setRepository(repository);

                // Create a new file upload handler
                ServletFileUpload upload = new ServletFileUpload(factory);

                try {
                        // Parse the request
                        List<FileItem> items = upload.parseRequest(request);
                        
                        if ( items.size() == 0) {
                                System.out.println("No file uploaded");
                                return;
                        }
                        
                        if ( items.size() >1) {
                                System.out.println("Uploaded " + items.size() + " items");
                        }

                        
                        String distributor = null;
                        FileItem item = null;
                        boolean writeback = false;
                        
                        for (FileItem i : items) {
                                
                                
                                if (i.isFormField()) {
                                        System.out.println("FormField: " + i.getFieldName() + "=" + i.getString() );
                                        
                                        switch (i.getFieldName().toLowerCase()) {
                                        case "distributor":
                                                distributor = i.getString();
                                                break;
                                        case "writeback":
                                                writeback = Boolean.parseBoolean( i.getString() );
                                                break;
                                        }
                                        
                                } else {
                                        System.out.println("received " + i.getSize() + " bytes in " + i.getName() + " " + i.getContentType());
                                        item = i;
                                }                               
                        }
                        
                        if (item == null) {
                                System.out.println("No file uploaded");
                                return;
                        }
                        if (distributor == null || distributor.equals("")) {
                                item.delete();
                                return;
                        }
                        
        

                        distributor = distributor.toUpperCase();
                        
                        AddressSource source = null;
                        
                        switch (distributor) {
                        case "BK":
                                source = new AddressSourceBK( item );
                                break;                          
                        default:
                                System.out.println("Unknown distributor: " + distributor);
                                item.delete();
                                return;
                        }
                        
                        TaskManager taskManager = (TaskManager) this.getServletContext().getAttribute(TaskManager.TASKMANAGER);
                        AddressTask task = new AddressTask(source, writeback);
                        taskManager.submitTask(task);
                        
                                                
                        
                }
                catch (FileUploadException fue) {
                        System.out.println("UploadException: " + fue.getMessage() );
                        
                }
                catch (Exception e) {
                        throw new ServletException(e);
                }
                
                response.getWriter().write("OK");
        }

}
1	package dk.daoas.adressevedligehold;
2
3	import java.io.File;
4	import java.io.IOException;
5	import java.util.List;
6
7	import javax.servlet.ServletContext;
8	import javax.servlet.ServletException;
9	import javax.servlet.annotation.WebServlet;
10	import javax.servlet.http.HttpServlet;
11	import javax.servlet.http.HttpServletRequest;
12	import javax.servlet.http.HttpServletResponse;
13
14	import org.apache.commons.fileupload.FileItem;
15	import org.apache.commons.fileupload.FileUploadException;
16	import org.apache.commons.fileupload.disk.DiskFileItemFactory;
17	import org.apache.commons.fileupload.servlet.ServletFileUpload;
18
19	import dk.daoas.adressevedligehold.tasks.TaskManager;
20
21	/**
22	* Servlet implementation class FileUploadServlet
23	*/
24	@WebServlet("/FileUploadServlet")
25	public class FileUploadServlet extends HttpServlet {
26	private static final long serialVersionUID = 1L;
27
28	public FileUploadServlet() {
29	super();
30	}
31
32	/*
33	* https://commons.apache.org/proper/commons-fileupload/using.html
34	*/
35	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
36	// Create a factory for disk-based file items
37	DiskFileItemFactory factory = new DiskFileItemFactory();
38
39	// Configure a repository (to ensure a secure temp location is used)
40	ServletContext servletContext = this.getServletConfig().getServletContext();
41	File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
42
43	System.out.println( "Path: " + repository.getPath() );
44
45	factory.setRepository(repository);
46
47	// Create a new file upload handler
48	ServletFileUpload upload = new ServletFileUpload(factory);
49
50	try {
51	// Parse the request
52	List<FileItem> items = upload.parseRequest(request);
53
54	if ( items.size() == 0) {
55	System.out.println("No file uploaded");
56	return;
57	}
58
59	if ( items.size() >1) {
60	System.out.println("Uploaded " + items.size() + " items");
61	}
62
63
64	String distributor = null;
65	FileItem item = null;
66	boolean writeback = false;
67
68	for (FileItem i : items) {
69
70
71	if (i.isFormField()) {
72	System.out.println("FormField: " + i.getFieldName() + "=" + i.getString() );
73
74	switch (i.getFieldName().toLowerCase()) {
75	case "distributor":
76	distributor = i.getString();
77	break;
78	case "writeback":
79	writeback = Boolean.parseBoolean( i.getString() );
80	break;
81	}
82
83	} else {
84	System.out.println("received " + i.getSize() + " bytes in " + i.getName() + " " + i.getContentType());
85	item = i;
86	}
87	}
88
89	if (item == null) {
90	System.out.println("No file uploaded");
91	return;
92	}
93	if (distributor == null \|\| distributor.equals("")) {
94	item.delete();
95	return;
96	}
97
98
99
100	distributor = distributor.toUpperCase();
101
102	AddressSource source = null;
103
104	switch (distributor) {
105	case "BK":
106	source = new AddressSourceBK( item );
107	break;
108	default:
109	System.out.println("Unknown distributor: " + distributor);
110	item.delete();
111	return;
112	}
113
114	TaskManager taskManager = (TaskManager) this.getServletContext().getAttribute(TaskManager.TASKMANAGER);
115	AddressTask task = new AddressTask(source, writeback);
116	taskManager.submitTask(task);
117
118
119
120	}
121	catch (FileUploadException fue) {
122	System.out.println("UploadException: " + fue.getMessage() );
123
124	}
125	catch (Exception e) {
126	throw new ServletException(e);
127	}
128
129	response.getWriter().write("OK");
130	}
131
132	}