daoas/adressevedligehold/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	torben	2838	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			}