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;


/*
 * TODO: understøt indlæsning af FD
 * TODO: understøt indlæsning af NS
 */

/**
 * 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;
                        case "DAO":
                                source = new AddressSourceDAO( 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	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	torben	2840
22			/*
23			* TODO: understøt indlæsning af FD
24			* TODO: understøt indlæsning af NS
25			*/
26
27	torben	2838	/**
28			* Servlet implementation class FileUploadServlet
29			*/
30			@WebServlet("/FileUploadServlet")
31			public class FileUploadServlet extends HttpServlet {
32			private static final long serialVersionUID = 1L;
33
34			public FileUploadServlet() {
35			super();
36			}
37
38			/*
39			* https://commons.apache.org/proper/commons-fileupload/using.html
40			*/
41			protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
42			// Create a factory for disk-based file items
43			DiskFileItemFactory factory = new DiskFileItemFactory();
44
45			// Configure a repository (to ensure a secure temp location is used)
46			ServletContext servletContext = this.getServletConfig().getServletContext();
47			File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
48
49			System.out.println( "Path: " + repository.getPath() );
50
51			factory.setRepository(repository);
52
53			// Create a new file upload handler
54			ServletFileUpload upload = new ServletFileUpload(factory);
55
56			try {
57			// Parse the request
58			List<FileItem> items = upload.parseRequest(request);
59
60			if ( items.size() == 0) {
61			System.out.println("No file uploaded");
62			return;
63			}
64
65			if ( items.size() >1) {
66			System.out.println("Uploaded " + items.size() + " items");
67			}
68
69
70			String distributor = null;
71			FileItem item = null;
72			boolean writeback = false;
73
74			for (FileItem i : items) {
75
76
77			if (i.isFormField()) {
78			System.out.println("FormField: " + i.getFieldName() + "=" + i.getString() );
79
80			switch (i.getFieldName().toLowerCase()) {
81			case "distributor":
82			distributor = i.getString();
83			break;
84			case "writeback":
85			writeback = Boolean.parseBoolean( i.getString() );
86			break;
87			}
88
89			} else {
90			System.out.println("received " + i.getSize() + " bytes in " + i.getName() + " " + i.getContentType());
91			item = i;
92			}
93			}
94
95			if (item == null) {
96			System.out.println("No file uploaded");
97			return;
98			}
99			if (distributor == null \|\| distributor.equals("")) {
100			item.delete();
101			return;
102			}
103
104
105
106			distributor = distributor.toUpperCase();
107
108			AddressSource source = null;
109
110			switch (distributor) {
111			case "BK":
112			source = new AddressSourceBK( item );
113	torben	2844	break;
114			case "DAO":
115			source = new AddressSourceDAO( item );
116			break;
117	torben	2851	case "NS":
118			source = new AddressSourceNS( item );
119			break;
120	torben	2838	default:
121			System.out.println("Unknown distributor: " + distributor);
122			item.delete();
123			return;
124			}
125
126			TaskManager taskManager = (TaskManager) this.getServletContext().getAttribute(TaskManager.TASKMANAGER);
127			AddressTask task = new AddressTask(source, writeback);
128			taskManager.submitTask(task);
129
130
131
132			}
133			catch (FileUploadException fue) {
134			System.out.println("UploadException: " + fue.getMessage() );
135
136			}
137			catch (Exception e) {
138			throw new ServletException(e);
139			}
140
141			response.getWriter().write("OK");
142			}
143
144			}