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1
5 package com.tc.test.server.appserver.cargo;
6
7 import com.tc.process.LinkedJavaProcessPollingAgent;
8 import com.tc.process.StartupAppender;
9
10 import java.io.BufferedReader  ;
11 import java.io.File ;
12 import java.io.FileInputStream ;
13 import java.io.IOException ;
14 import java.io.InputStreamReader ;
15 import java.lang.reflect.Method ;
16 import java.net.URL ;
17 import java.net.URLClassLoader ;
18 import java.util.Enumeration ;
19 import java.util.Properties ;
20
21
27 public final class CargoLinkedChildProcess {
28
29 private static File instanceDir;
30
31 private CargoLinkedChildProcess() {
32 }
34
35 public static void main(String [] args) throws Exception {
36 String className = args[0];
37 int port = Integer.parseInt(args[1]);
38 instanceDir = new File (args[2]);
39
40 String [] serverArgs = new String [0];
41 if (args.length > 3) {
42 serverArgs = new String [args.length - 3];
43 for (int i = 3; i < args.length; i++) {
44 serverArgs[i - 3] = args[i];
45 }
46 }
47
48 System.out.println("JAVA VERSION: " + System.getProperty("java.version"));
49
50 LinkedJavaProcessPollingAgent.startClientWatchdogService(port, className, true);
51 loadProperties();
52
53 invokeStartupAppender();
54
55 try {
56 Class startServer = Class.forName(className);
57 Method main = startServer.getMethod("main", new Class [] { String [].class });
58 main.invoke(null, new Object [] { serverArgs });
59
60 } catch (ClassNotFoundException cnfe) {
61 System.err.println("unable to locate server class: " + className);
62 cnfe.printStackTrace();
63 } catch (NoSuchMethodException nsme) {
64 System.err.println("unable to access method: main()");
65 nsme.printStackTrace();
66 }
67 }
68
69 private static void loadProperties() {
70 File sandbox = instanceDir.getParentFile();
71 Properties props = new Properties ();
72 try {
73 props.load(new FileInputStream (new File (sandbox + File.separator + instanceDir.getName() + ".properties")));
74 } catch (IOException ioe) {
75 throw new RuntimeException ("Unable to load properties file: " + sandbox + File.separator + instanceDir.getName()
76 + ".properties");
77 }
78 String name = null;
79 for (Enumeration e = props.propertyNames(); e.hasMoreElements();) {
80 name = (String ) e.nextElement();
81 System.setProperty(name, props.getProperty(name));
82 }
83 }
84
85 private static void invokeStartupAppender() throws Exception {
86 File startupAppenderJar = new File (instanceDir.getParent() + File.separator + StartupAppender.FILE_NAME);
87 if (!startupAppenderJar.exists()) return;
88 URL url = new URL ("jar:file:" + startupAppenderJar.getAbsolutePath() + "!/");
89 ClassLoader classLoader = new URLClassLoader (new URL [] { url }, CargoLinkedChildProcess.class.getClassLoader());
90 URL appenderTypeUrl = new URL ("jar:file:" + startupAppenderJar.getAbsolutePath() + "!/"
91 + StartupAppender.APPENDER_TYPE_FILENAME);
92 BufferedReader reader = new BufferedReader (new InputStreamReader (appenderTypeUrl.openStream()));
93 String appenderType = reader.readLine();
94 reader.close();
95 Class appenderTypeClass = classLoader.loadClass(appenderType);
96 StartupAppender appender = (StartupAppender) appenderTypeClass.newInstance();
97 appender.append();
98 }
99 }
100 |
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