adressevedligehold/coveragefileupload/FileUploadServlet.java

package dk.daoas.adressevedligehold.coveragefileupload;

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;
                                        default:
                                                System.out.println("Unknown form field: " + i.getFieldName() );
                                        }
                                        
                                } 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;
                        case "DAO":
                                source = new AddressSourceDAO( item );
                                break;
                        case "FD":
                                source = new AddressSourceFD( item );
                                break;
                        case "NS":
                                source = new AddressSourceNS( 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.coveragefileupload;
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	/*
23	*
24	*/
25
26	/**
27	* Servlet implementation class FileUploadServlet
28	*/
29	@WebServlet("/FileUploadServlet")
30	public class FileUploadServlet extends HttpServlet {
31	private static final long serialVersionUID = 1L;
32
33	public FileUploadServlet() {
34	super();
35	}
36
37	/*
38	* https://commons.apache.org/proper/commons-fileupload/using.html
39	*/
40	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
41	// Create a factory for disk-based file items
42	DiskFileItemFactory factory = new DiskFileItemFactory();
43
44	// Configure a repository (to ensure a secure temp location is used)
45	ServletContext servletContext = this.getServletConfig().getServletContext();
46	File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
47
48	System.out.println( "Path: " + repository.getPath() );
49
50	factory.setRepository(repository);
51
52	// Create a new file upload handler
53	ServletFileUpload upload = new ServletFileUpload(factory);
54
55	try {
56	// Parse the request
57	List<FileItem> items = upload.parseRequest(request);
58
59	if ( items.size() == 0) {
60	System.out.println("No file uploaded");
61	return;
62	}
63
64	if ( items.size() >1) {
65	System.out.println("Uploaded " + items.size() + " items");
66	}
67
68
69	String distributor = null;
70	FileItem item = null;
71	boolean writeback = false;
72
73	for (FileItem i : items) {
74
75
76	if (i.isFormField()) {
77	System.out.println("FormField: " + i.getFieldName() + "=" + i.getString() );
78
79	switch (i.getFieldName().toLowerCase()) {
80	case "distributor":
81	distributor = i.getString();
82	break;
83	case "writeback":
84	writeback = Boolean.parseBoolean( i.getString() );
85	break;
86	default:
87	System.out.println("Unknown form field: " + i.getFieldName() );
88	}
89
90	} else {
91	System.out.println("received " + i.getSize() + " bytes in " + i.getName() + " " + i.getContentType());
92	item = i;
93	}
94	}
95
96	if (item == null) {
97	System.out.println("No file uploaded");
98	return;
99	}
100	if (distributor == null \|\| distributor.equals("")) {
101	item.delete();
102	return;
103	}
104
105
106
107	distributor = distributor.toUpperCase();
108
109	AddressSource source = null;
110
111	switch (distributor) {
112	case "BK":
113	source = new AddressSourceBK( item );
114	break;
115	case "DAO":
116	source = new AddressSourceDAO( item );
117	break;
118	case "FD":
119	source = new AddressSourceFD( item );
120	break;
121	case "NS":
122	source = new AddressSourceNS( item );
123	break;
124	default:
125	System.out.println("Unknown distributor: " + distributor);
126	item.delete();
127	return;
128	}
129
130	TaskManager taskManager = (TaskManager) this.getServletContext().getAttribute(TaskManager.TASKMANAGER);
131	AddressTask task = new AddressTask(source, writeback);
132	taskManager.submitTask(task);
133
134
135
136	}
137	catch (FileUploadException fue) {
138	System.out.println("UploadException: " + fue.getMessage() );
139
140	}
141	catch (Exception e) {
142	throw new ServletException(e);
143	}
144
145	response.getWriter().write("OK");
146	}
147
148	}