| 1 | package dolda.jsvc.util; |
| 2 | |
| 3 | import java.io.*; |
| 4 | import java.util.*; |
| 5 | import java.net.*; |
| 6 | import dolda.jsvc.*; |
| 7 | |
| 8 | public class JarContext implements ServerContext { |
| 9 | private final long ctime; |
| 10 | private final String name; |
| 11 | public final ClassLoader loader; |
| 12 | protected final Properties sysconfig, libconfig; |
| 13 | |
| 14 | private static String mangle(File f) { |
| 15 | String ret = f.getName(); |
| 16 | int p = ret.lastIndexOf('.'); |
| 17 | if(p > 0) |
| 18 | ret = ret.substring(0, p); |
| 19 | for(f = f.getParentFile(); f != null; f = f.getParentFile()) |
| 20 | ret = f.getName() + "/" + ret; |
| 21 | return(ret); |
| 22 | } |
| 23 | |
| 24 | private void loadconfig() { |
| 25 | try { |
| 26 | InputStream pi = loader.getResourceAsStream("jsvc.properties"); |
| 27 | if(pi != null) { |
| 28 | try { |
| 29 | libconfig.load(pi); |
| 30 | } finally { |
| 31 | pi.close(); |
| 32 | } |
| 33 | } |
| 34 | } catch(IOException e) { |
| 35 | throw(new Error(e)); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | public Class<?> findboot() { |
| 40 | String clnm = libconfig("jsvc.bootstrap", null); |
| 41 | if(clnm == null) |
| 42 | return(null); |
| 43 | Class<?> bc; |
| 44 | try { |
| 45 | bc = loader.loadClass(clnm); |
| 46 | } catch(ClassNotFoundException e) { |
| 47 | return(null); |
| 48 | } |
| 49 | return(bc); |
| 50 | } |
| 51 | |
| 52 | public JarContext(ClassLoader cl, String name) { |
| 53 | this.ctime = System.currentTimeMillis(); |
| 54 | this.name = name; |
| 55 | this.loader = cl; |
| 56 | sysconfig = new Properties(); |
| 57 | libconfig = new Properties(); |
| 58 | |
| 59 | loadconfig(); |
| 60 | } |
| 61 | |
| 62 | private static URL makingmewanttokilljavac(File jar) { |
| 63 | try { |
| 64 | return(jar.toURI().toURL()); |
| 65 | } catch(MalformedURLException e) { |
| 66 | throw(new RuntimeException(e)); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | public JarContext(File jar) { |
| 71 | this(new URLClassLoader(new URL[] {makingmewanttokilljavac(jar)}, JarContext.class.getClassLoader()), mangle(jar)); |
| 72 | } |
| 73 | |
| 74 | public long starttime() { |
| 75 | return(ctime); |
| 76 | } |
| 77 | |
| 78 | public String name() { |
| 79 | return(name); |
| 80 | } |
| 81 | |
| 82 | public String sysconfig(String key, String def) { |
| 83 | return(sysconfig.getProperty(key, def)); |
| 84 | } |
| 85 | |
| 86 | public String libconfig(String key, String def) { |
| 87 | return(libconfig.getProperty(key, def)); |
| 88 | } |
| 89 | |
| 90 | public RequestThread worker(Responder root, Request req, ThreadGroup tg, String name) { |
| 91 | return(new RequestThread(root, req, tg, name)); |
| 92 | } |
| 93 | } |