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1
17 package org.apache.ws.jaxme.webapp;
18
19 import java.io.File  ;
20
21 import javax.servlet.ServletException ;
22 import javax.servlet.UnavailableException ;
23 import javax.servlet.http.HttpServlet ;
24
25
26 public abstract class BaseServlet extends HttpServlet {
27 private static File workDir;
28
29 public File getWorkDir() {
30 return workDir;
31 }
32
33 public void cleanDirectory(File pDirectory) throws ServletException {
34 File [] files = pDirectory.listFiles();
35 for (int i = 0; i < files.length; i++) {
36 File f = files[i];
37 if (f.isFile()) {
38 if (!f.delete()) {
39 throw new UnavailableException ("Unable to delete file " + f.getAbsolutePath());
40 }
41 } else if (f.isDirectory()) {
42 cleanDirectory(f);
43 if (!f.delete()) {
44 throw new UnavailableException ("Unable to delete directory " + f.getAbsolutePath());
45 }
46 } else {
47 throw new UnavailableException ("Unable to determine how to remove " + f.getAbsolutePath());
48 }
49 }
50 }
51
52 public void createDirectory(File pDirectory) throws ServletException {
53 if (!pDirectory.mkdir()) {
54 throw new UnavailableException ("Unable to create working directory " + pDirectory);
55 }
56 }
57
58 public void init() throws ServletException {
59 synchronized (BaseServlet.class) {
60 if (workDir == null) {
61 String p = getServletContext().getInitParameter("http.proxyHost");
62 if (p != null && p.length() > 0) {
63 String v = getServletContext().getInitParameter("http.proxyPort");
64 if (v != null && v.length() > 0) {
65 log("http.proxyHost parameter detected, setting host=" + p + ", port=" + v);
66 System.setProperty("http.proxyHost", p);
67 System.setProperty("http.proxyPort", v);
68 } else {
69 throw new UnavailableException ("The http.proxyHost parameter is set, but the http.proxyPort parameter is not set.");
70 }
71 } else {
72 log("http.proxyHost parameter is not set");
73 }
74 String s = getServletContext().getInitParameter("work.dir");
75 File f;
76 if (s == null || s.length() == 0) {
77 s = System.getProperty("java.io.tmpdir");
78 if (s == null || s.length() == 0) {
79 throw new UnavailableException ("Neither the servlet context parameter work.dir nor the system property java.io.tmpdir are set.");
80 }
81 f = new File (s);
82 if (!f.isDirectory()) {
83 throw new UnavailableException ("The directory " + s + " (specified by the system property java.io.tmpdir) does not exist.");
84 }
85 } else {
86 f = new File (s);
87 if (!f.isDirectory()) {
88 throw new UnavailableException ("The directory " + s + " (specified by the servlet context parameter work.dir) does not exist.");
89 }
90 }
91
92 File g = new File (f, "jaxme");
93 if (g.isDirectory()) {
94 cleanDirectory(g);
95 } else {
96 createDirectory(g);
97 }
98 workDir = g;
99 }
100 }
101 }
102 }
103 |
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