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1
4 package com.tc.test.server.appserver;
5
6 import com.tc.util.ZipBuilder;
7 import com.tc.util.runtime.Os;
8
9 import java.io.BufferedInputStream  ;
10 import java.io.File ;
11 import java.io.FileReader ;
12 import java.io.FileWriter ;
13 import java.io.IOException ;
14 import java.io.LineNumberReader ;
15 import java.io.PrintWriter ;
16 import java.net.URL ;
17 import java.net.URLConnection ;
18 import java.text.DateFormat ;
19 import java.util.Date ;
20
21
26 final class ConcreteReadOnlyAppServerInstallation {
27
28 private static final DateFormat df = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG);
29
30 static File create(URL host, File serverDir, String serverType, String majorVersion, String minorVersion) throws Exception {
31 File serverInstallDir = new File (serverDir + File.separator + serverType + "-" + majorVersion + "." + minorVersion + "-install");
32 serverInstallDir.mkdir();
33 File timestampFile = new File (serverInstallDir + File.separator + "timestamp");
34 if (equalTimestamps(host, serverType, majorVersion, minorVersion, timestampFile)) { return serverInstallDir; }
35 File deleteServer = new File (serverInstallDir + File.separator + serverType + "-" + majorVersion + "." + minorVersion);
36 if (deleteServer.exists()) {
37 deleteServer.delete();
38 }
39 BufferedInputStream in = new BufferedInputStream (appendPath(host, serverType, majorVersion, minorVersion).openStream());
40 ZipBuilder.unzip(in, serverInstallDir);
41 in.close();
42 return serverInstallDir;
43 }
44
45 private static boolean equalTimestamps(URL host, String serverType, String majorVersion, String minorVersion, File timestampFile) throws Exception {
46 URLConnection conn = appendPath(host, serverType, majorVersion, minorVersion).openConnection();
47 System.out.println("**Connection=" + host);
48 System.out.println("**Connection=" + conn);
49 long modified = conn.getLastModified();
50 if (!timestampFile.exists()) {
51 writeTimestamp(modified, timestampFile);
52 return false;
53 }
54 LineNumberReader in = new LineNumberReader (new FileReader (timestampFile));
55 String serverStamp = in.readLine();
56 in.close();
57 if (df.parse(serverStamp).getTime() != df.parse(df.format(new Date (modified))).getTime()) {
58 writeTimestamp(modified, timestampFile);
59 return false;
60 }
61 return true;
62 }
63
64 private static void writeTimestamp(long timestamp, File timestampFile) throws IOException {
65 PrintWriter out = new PrintWriter (new FileWriter (timestampFile));
66 out.println(df.format(new Date (timestamp)));
67 out.close();
68 }
69
70 private static String resolvePlatform() {
71 return Os.platform();
72 }
73
74 private static URL appendPath(URL host, String serverType, String majorVersion, String minorVersion) throws Exception {
75 String baseUrl = host.toExternalForm();
76 String appendedPath = serverType + "/" + resolvePlatform() + "/" + serverType.toLowerCase() + "-" + majorVersion.toLowerCase()
77 + "." + minorVersion.toLowerCase() + ".zip";
78 return new URL (baseUrl + "/" + appendedPath);
79 }
80 }
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