/**
   * Returns a stream to a pack, depending on the installation kind.
   *
   * @param n The pack number.
   * @return The stream.
   * @exception Exception Description of the Exception
   */
  private InputStream getPackAsStream(int n) throws Exception {
    InputStream in = null;

    if (idata.kind.equalsIgnoreCase("standard")
        || idata.kind.equalsIgnoreCase("standard-kunststoff"))
      in = getClass().getResourceAsStream("/packs/pack" + n);
    else if (idata.kind.equalsIgnoreCase("web") || idata.kind.equalsIgnoreCase("web-kunststoff")) {
      URL url = new URL("jar:" + jarLocation + "!/packs/pack" + n);
      JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
      in = jarConnection.getInputStream();
    }
    return in;
  }
Example #2
0
  /**
   * Enumerates the resouces in a give package name. This works even if the resources are loaded
   * from a jar file!
   *
   * <p>Adapted from code by mikewse on the java.sun.com message boards.
   * http://forum.java.sun.com/thread.jsp?forum=22&thread=30984
   *
   * @param packageName The package to enumerate
   * @return A Set of Strings for each resouce in the package.
   */
  public static Set getResoucesInPackage(String packageName) throws IOException {
    String localPackageName;
    if (packageName.endsWith("/")) {
      localPackageName = packageName;
    } else {
      localPackageName = packageName + '/';
    }

    Enumeration dirEnum = ClassLoader.getSystemResources(localPackageName);

    Set names = new HashSet();

    // Loop CLASSPATH directories
    while (dirEnum.hasMoreElements()) {
      URL resUrl = (URL) dirEnum.nextElement();

      // Pointing to filesystem directory
      if (resUrl.getProtocol().equals("file")) {
        File dir = new File(resUrl.getFile());
        File[] files = dir.listFiles();
        if (files != null) {
          for (int i = 0; i < files.length; i++) {
            File file = files[i];
            if (file.isDirectory()) continue;
            names.add(localPackageName + file.getName());
          }
        }

        // Pointing to Jar file
      } else if (resUrl.getProtocol().equals("jar")) {
        JarURLConnection jconn = (JarURLConnection) resUrl.openConnection();
        JarFile jfile = jconn.getJarFile();
        Enumeration entryEnum = jfile.entries();
        while (entryEnum.hasMoreElements()) {
          JarEntry entry = (JarEntry) entryEnum.nextElement();
          String entryName = entry.getName();
          // Exclude our own directory
          if (entryName.equals(localPackageName)) continue;
          String parentDirName = entryName.substring(0, entryName.lastIndexOf('/') + 1);
          if (!parentDirName.equals(localPackageName)) continue;
          names.add(entryName);
        }
      } else {
        // Invalid classpath entry
      }
    }

    return names;
  }