Example #1
0
  public void copyJar(String inJar, JarOutputStream out, boolean verbose) throws Exception {
    File file = new File(inJar);
    InputStream input = new FileInputStream(file);
    JarInputStream in = new JarInputStream(input);

    JarEntry entry;
    while ((entry = in.getNextJarEntry()) != null) {
      String name = entry.getName();
      if (name.equals("META-INF/MANIFEST.MF")) {
        in.closeEntry();
        continue;
      }
      byte[] buf = Util.readStream(in);
      in.closeEntry();
      entry.setCompressedSize(-1);
      writeJarEntry(entry, out, buf);
    }
    in.close();
  }
Example #2
0
  // TODO: we really need string pairs; real path and desired path.
  protected void makeJar(
      String path,
      String mainClass,
      List<String> files,
      File cwd,
      File buildDir,
      String configPath,
      String stripPath,
      boolean verbose)
      throws FakeException {
    path = Util.makePath(cwd, path);
    if (verbose) {
      String output = "Making " + path;
      if (mainClass != null) output += " with main-class " + mainClass;
      output += " from";
      for (String file : files) output += " " + file;
      err.println(output);
    }
    Manifest manifest = null;
    if (mainClass != null) {
      String text = "Manifest-Version: 1.0\nMain-Class: " + mainClass + "\n";
      InputStream input = new ByteArrayInputStream(text.getBytes());
      try {
        manifest = new Manifest(input);
      } catch (Exception e) {
      }
    }

    try {
      /*
       * Avoid SIGBUS when writing fake.jar: it may be
       * in use (mmap()ed), and overwriting that typically
       * results in a crash.
       */
      String origPath = null;
      try {
        if (Util.moveFileOutOfTheWay(path)) {
          origPath = path;
          path += ".new";
        }
      } catch (FakeException e) {
        path = moveToUpdateDirectory(path);
      }

      OutputStream out = new FileOutputStream(path);
      JarOutputStream jar =
          manifest == null ? new JarOutputStream(out) : new JarOutputStream(out, manifest);

      addPluginsConfigToJar(jar, configPath);
      String lastBase = stripPath;
      for (String realName : files) {
        if (realName.endsWith(".jar/")) {
          copyJar(Util.stripSuffix(Util.makePath(cwd, realName), "/"), jar, verbose);
          continue;
        }
        if (realName.endsWith("/") || realName.endsWith("\\") || realName.equals("")) {
          lastBase = realName;
          continue;
        }
        String name = realName;
        int bracket = name.indexOf('[');
        if (bracket >= 0 && name.endsWith("]")) {
          realName = name.substring(bracket + 1, name.length() - 1);
          name = name.substring(0, bracket);
        }
        byte[] buffer = Util.readFile(Util.makePath(cwd, realName));
        if (buffer == null)
          throw new FakeException(
              "File " + realName + " does not exist," + " could not make " + path);
        if (realName.endsWith(".class")) {
          ByteCodeAnalyzer analyzer = new ByteCodeAnalyzer(buffer);
          name = analyzer.getPathForClass() + ".class";
        } else if (lastBase != null && name.startsWith(lastBase)) {
          if (!lastBase.equals(stripPath))
            throw new FakeException("strip " + "path mismatch: " + lastBase + " != " + stripPath);
          name = name.substring(lastBase.length());
        }

        JarEntry entry = new JarEntry(name);
        writeJarEntry(entry, jar, buffer);
      }

      jar.close();
      if (origPath != null)
        throw new FakeException(
            "Could not remove "
                + origPath
                + " before building it anew\n"
                + "Stored it as "
                + path
                + " instead.");
    } catch (Exception e) {
      new File(path).delete();
      e.printStackTrace();
      throw new FakeException("Error writing " + path + ": " + e);
    }
  }