| 1 | package dolda.jsvc.j2ee; |
| 2 | |
| 3 | import java.util.*; |
| 4 | import java.io.*; |
| 5 | import java.net.*; |
| 6 | import java.util.zip.*; |
| 7 | import java.util.jar.*; |
| 8 | |
| 9 | public class Archive { |
| 10 | private Properties props = defprops(); |
| 11 | private JarOutputStream zipout = null; |
| 12 | private final OutputStream realout; |
| 13 | |
| 14 | public Archive(OutputStream out) { |
| 15 | this.realout = out; |
| 16 | } |
| 17 | |
| 18 | private void initzip() throws IOException { |
| 19 | Manifest man = new Manifest(); |
| 20 | man.getMainAttributes().put(new Attributes.Name("Manifest-Version"), "1.0"); |
| 21 | man.getMainAttributes().put(new Attributes.Name("Created-By"), "jsvc"); |
| 22 | JarOutputStream zip = new JarOutputStream(realout, man); |
| 23 | zip.putNextEntry(new ZipEntry("WEB-INF/")); |
| 24 | zip.putNextEntry(new ZipEntry("WEB-INF/lib/")); |
| 25 | this.zipout = zip; |
| 26 | } |
| 27 | |
| 28 | private ZipOutputStream zip() throws IOException { |
| 29 | if(zipout == null) |
| 30 | initzip(); |
| 31 | return(this.zipout); |
| 32 | } |
| 33 | |
| 34 | public void putprop(String key, String val) { |
| 35 | props.put(key, val); |
| 36 | } |
| 37 | |
| 38 | public void loadprops(InputStream in) throws IOException { |
| 39 | props.load(in); |
| 40 | } |
| 41 | |
| 42 | public void jarprops(File[] jars, String propres) throws IOException { |
| 43 | URL[] urls = new URL[jars.length]; |
| 44 | try { |
| 45 | for(int i = 0; i < jars.length; i++) |
| 46 | urls[i] = new URL("file", "", jars[i].toString()); |
| 47 | } catch(MalformedURLException e) { |
| 48 | throw(new Error(e)); |
| 49 | } |
| 50 | ClassLoader cl = new URLClassLoader(urls); |
| 51 | InputStream in = cl.getResourceAsStream(propres); |
| 52 | if(in != null) { |
| 53 | try { |
| 54 | props.load(in); |
| 55 | } finally { |
| 56 | in.close(); |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | private static Properties defprops() { |
| 62 | Properties props = new Properties(); |
| 63 | props.put("jsvc.j2ee.webxml.coding", "UTF-8"); |
| 64 | return(props); |
| 65 | } |
| 66 | |
| 67 | private static void cpstream(InputStream in, OutputStream out) throws IOException { |
| 68 | byte[] buf = new byte[4096]; |
| 69 | while(true) { |
| 70 | int ret = in.read(buf, 0, buf.length); |
| 71 | if(ret < 0) |
| 72 | return; |
| 73 | out.write(buf, 0, ret); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | private static class MissingPropException extends RuntimeException { |
| 78 | public final String prop; |
| 79 | |
| 80 | private MissingPropException(String prop) { |
| 81 | super("Missing required property " + prop); |
| 82 | this.prop = prop; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | private static String subst(String ln, Properties props) { |
| 87 | int p = 0; |
| 88 | while((p = ln.indexOf("${", p)) >= 0) { |
| 89 | int p2 = ln.indexOf('}', p + 2); |
| 90 | String pn = ln.substring(p + 2, p2); |
| 91 | String pv = (String)props.get(pn); |
| 92 | if(pv == null) |
| 93 | throw(new MissingPropException(pn)); |
| 94 | ln = ln.substring(0, p) + pv + ln.substring(p2 + 1); |
| 95 | p = p + pv.length(); |
| 96 | } |
| 97 | return(ln); |
| 98 | } |
| 99 | |
| 100 | private void writewebxml() throws IOException { |
| 101 | zip().putNextEntry(new ZipEntry("WEB-INF/web.xml")); |
| 102 | InputStream tmpl = Archive.class.getResourceAsStream("web.xml.template"); |
| 103 | String cs = (String)props.get("jsvc.j2ee.webxml.coding"); |
| 104 | try { |
| 105 | BufferedReader r = new BufferedReader(new InputStreamReader(tmpl, "US-ASCII")); |
| 106 | BufferedWriter w = new BufferedWriter(new OutputStreamWriter(zip(), cs)); |
| 107 | String ln; |
| 108 | while((ln = r.readLine()) != null) { |
| 109 | w.write(subst(ln, props)); |
| 110 | w.write('\n'); |
| 111 | } |
| 112 | w.flush(); |
| 113 | } finally { |
| 114 | tmpl.close(); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | public void addcode(String name, InputStream in) throws IOException { |
| 119 | zip().putNextEntry(new ZipEntry("WEB-INF/classes/" + name)); |
| 120 | cpstream(in, zip()); |
| 121 | } |
| 122 | |
| 123 | public void addjars(File[] jars) throws IOException { |
| 124 | jarprops(jars, "jsvc.properties"); |
| 125 | ZipOutputStream zip = zip(); |
| 126 | for(File jar : jars) { |
| 127 | zip.putNextEntry(new ZipEntry("WEB-INF/lib/" + jar.getName())); |
| 128 | InputStream jarin = new FileInputStream(jar); |
| 129 | try { |
| 130 | cpstream(jarin, zip); |
| 131 | } finally { |
| 132 | jarin.close(); |
| 133 | } |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | public void finish() throws IOException { |
| 138 | zip().finish(); |
| 139 | } |
| 140 | |
| 141 | public static class AntTask extends org.apache.tools.ant.Task { |
| 142 | private org.apache.tools.ant.types.FileSet jars, code; |
| 143 | private File props, outfile; |
| 144 | private String appname; |
| 145 | |
| 146 | private static File[] getfiles(org.apache.tools.ant.types.FileSet fs) { |
| 147 | org.apache.tools.ant.DirectoryScanner ds = fs.getDirectoryScanner(); |
| 148 | ds.scan(); |
| 149 | String[] nms = ds.getIncludedFiles(); |
| 150 | File[] ret = new File[nms.length]; |
| 151 | for(int i = 0; i < nms.length; i++) |
| 152 | ret[i] = new File(ds.getBasedir(), nms[i]); |
| 153 | return(ret); |
| 154 | } |
| 155 | |
| 156 | private void rebuild(File[] jars, File[] code) throws IOException { |
| 157 | OutputStream out = new FileOutputStream(outfile); |
| 158 | |
| 159 | System.out.println("Building " + outfile); |
| 160 | |
| 161 | try { |
| 162 | Archive ar = new Archive(out); |
| 163 | if(appname != null) |
| 164 | ar.putprop("jsvc.j2ee.appname", appname); |
| 165 | if(props != null) { |
| 166 | InputStream in = new FileInputStream(props); |
| 167 | try { |
| 168 | ar.loadprops(in); |
| 169 | } finally { |
| 170 | in.close(); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | for(File f : code) { |
| 175 | InputStream in = new FileInputStream(f); |
| 176 | try { |
| 177 | ar.addcode(f.getName(), in); |
| 178 | } finally { |
| 179 | in.close(); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | ar.addjars(jars); |
| 184 | ar.writewebxml(); |
| 185 | |
| 186 | ar.finish(); |
| 187 | } catch(MissingPropException e) { |
| 188 | throw(new org.apache.tools.ant.BuildException(e.getMessage(), e)); |
| 189 | } finally { |
| 190 | out.close(); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | public void execute() { |
| 195 | File[] jars = (this.jars != null)?getfiles(this.jars):new File[0]; |
| 196 | File[] code = (this.code != null)?getfiles(this.code):new File[0]; |
| 197 | if(jars.length < 1) |
| 198 | throw(new org.apache.tools.ant.BuildException("Must have at least one JAR file", getLocation())); |
| 199 | if(outfile == null) |
| 200 | throw(new org.apache.tools.ant.BuildException("No output file specified", getLocation())); |
| 201 | |
| 202 | Collection<File> deps = new LinkedList<File>(); |
| 203 | deps.addAll(Arrays.asList(jars)); |
| 204 | deps.addAll(Arrays.asList(code)); |
| 205 | if(props != null) |
| 206 | deps.add(props); |
| 207 | |
| 208 | boolean rebuild = false; |
| 209 | for(File dep : deps) { |
| 210 | if(!dep.exists()) |
| 211 | throw(new org.apache.tools.ant.BuildException(dep + " does not exist", getLocation())); |
| 212 | if(dep.lastModified() > outfile.lastModified()) { |
| 213 | rebuild = true; |
| 214 | break; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | if(rebuild) { |
| 219 | try { |
| 220 | rebuild(jars, code); |
| 221 | } catch(IOException e) { |
| 222 | throw(new org.apache.tools.ant.BuildException(e)); |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | public void addJars(org.apache.tools.ant.types.FileSet path) { |
| 228 | this.jars = path; |
| 229 | } |
| 230 | |
| 231 | public void setJars(org.apache.tools.ant.types.FileSet path) { |
| 232 | this.jars = path; |
| 233 | } |
| 234 | |
| 235 | public void setCode(org.apache.tools.ant.types.FileSet path) { |
| 236 | this.code = path; |
| 237 | } |
| 238 | |
| 239 | public void setPropfile(File propfile) { |
| 240 | this.props = propfile; |
| 241 | } |
| 242 | |
| 243 | public void setDestfile(File outfile) { |
| 244 | this.outfile = outfile; |
| 245 | } |
| 246 | |
| 247 | public void setAppname(String name) { |
| 248 | this.appname = name; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | private static void usage(PrintStream out) { |
| 253 | out.println("usage: dolda.jsvc.j2ee.Archive [-h] [-p PROPFILE] [-n DISPLAY-NAME] [(-c CODE-FILE)...] WAR-FILE JAR-FILE..."); |
| 254 | } |
| 255 | |
| 256 | public static void main(String[] args) throws IOException { |
| 257 | PosixArgs opt = PosixArgs.getopt(args, "hp:n:c:"); |
| 258 | if(opt == null) { |
| 259 | usage(System.err); |
| 260 | System.exit(1); |
| 261 | } |
| 262 | if(opt.rest.length < 2) { |
| 263 | usage(System.err); |
| 264 | System.exit(1); |
| 265 | } |
| 266 | String war = opt.rest[0]; |
| 267 | File[] jars = new File[opt.rest.length - 1]; |
| 268 | for(int i = 1; i < opt.rest.length; i++) |
| 269 | jars[i - 1] = new File(opt.rest[i]); |
| 270 | |
| 271 | OutputStream out = new FileOutputStream(war); |
| 272 | try { |
| 273 | Archive ar = new Archive(out); |
| 274 | |
| 275 | for(char c : opt.parsed()) { |
| 276 | switch(c) { |
| 277 | case 'p': |
| 278 | { |
| 279 | InputStream in = new FileInputStream(opt.arg); |
| 280 | try { |
| 281 | ar.loadprops(in); |
| 282 | } finally { |
| 283 | in.close(); |
| 284 | } |
| 285 | } |
| 286 | break; |
| 287 | case 'n': |
| 288 | ar.putprop("jsvc.j2ee.appname", opt.arg); |
| 289 | break; |
| 290 | case 'c': |
| 291 | { |
| 292 | File f = new File(opt.arg); |
| 293 | InputStream in = new FileInputStream(f); |
| 294 | try { |
| 295 | ar.addcode(f.getName(), in); |
| 296 | } finally { |
| 297 | in.close(); |
| 298 | } |
| 299 | } |
| 300 | break; |
| 301 | case 'h': |
| 302 | usage(System.out); |
| 303 | return; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | ar.addjars(jars); |
| 308 | ar.writewebxml(); |
| 309 | |
| 310 | ar.finish(); |
| 311 | } finally { |
| 312 | out.close(); |
| 313 | } |
| 314 | } |
| 315 | } |