Exemplo n.º 1
0
  /**
   * Return true if the IFile with the given name exists in this project.
   *
   * @param aFileName filename can be relative to one of the input file paths for the
   *     WorkbenchURIConverter.
   * @return <code>true</code> if filename exists in this project
   * @since 1.0.0
   */
  public boolean fileExists(String aFileName) {
    if (aFileName == null) return false;

    IPath path = new Path(aFileName);
    if (path.isAbsolute()) return ResourcesPlugin.getWorkspace().getRoot().getFile(path).exists();
    else return getWorkbenchURIConverter().canGetUnderlyingResource(aFileName);
  }
  /**
   * Removes path information from the given string containing one or more comma separated osgi
   * bundles. Replaces escaped '\:' with ':'. Removes, reference, platform and file prefixes.
   * Removes any other path information converting the location or the last segment to a bundle id.
   *
   * @param osgiBundles list of bundles to strip path information from (commma separated)
   * @return list of bundles with path information stripped
   */
  public static String stripPathInformation(String osgiBundles) {
    StringBuffer result = new StringBuffer();
    StringTokenizer tokenizer = new StringTokenizer(osgiBundles, ","); // $NON-NLS-1$
    while (tokenizer.hasMoreElements()) {
      String token = tokenizer.nextToken();
      token = token.replaceAll("\\\\:|/:", ":"); // $NON-NLS-1$ //$NON-NLS-2$

      // read up until the first @, if there
      int atIndex = token.indexOf('@');
      String bundle = atIndex > 0 ? token.substring(0, atIndex) : token;
      bundle = bundle.trim();

      // strip [reference:][platform:][file:] prefixes if any
      if (bundle.startsWith(REFERENCE_PREFIX) && bundle.length() > REFERENCE_PREFIX.length())
        bundle = bundle.substring(REFERENCE_PREFIX.length());
      if (bundle.startsWith(PLATFORM_PREFIX) && bundle.length() > PLATFORM_PREFIX.length())
        bundle = bundle.substring(PLATFORM_PREFIX.length());
      if (bundle.startsWith(FILE_URL_PREFIX) && bundle.length() > FILE_URL_PREFIX.length())
        bundle = bundle.substring(FILE_URL_PREFIX.length());

      // if the path is relative, the last segment is the bundle symbolic name
      // Otherwise, we need to retrieve the bundle symbolic name ourselves
      IPath path = new Path(bundle);
      String id = null;
      if (path.isAbsolute()) {
        id = getSymbolicName(bundle);
      }
      if (id == null) {
        id = path.lastSegment();
      }
      if (id != null) {
        int underscoreIndex = id.indexOf('_');
        if (underscoreIndex >= 0) {
          id = id.substring(0, underscoreIndex);
        }
        if (id.endsWith(JAR_EXTENSION)) {
          id = id.substring(0, id.length() - 4);
        }
      }
      if (result.length() > 0) result.append(","); // $NON-NLS-1$
      result.append(id != null ? id : bundle);
      if (atIndex > -1) result.append(token.substring(atIndex).trim());
    }
    return result.toString();
  }
  private boolean resourceExists(String location) {
    String bundleJar = null;
    IPath path = new Path(location);
    if ("platform:".equals(path.getDevice()) && path.segmentCount() > 2) { // $NON-NLS-1$
      if ("plugin".equals(path.segment(0))) { // $NON-NLS-1$
        String id = path.segment(1);
        IMonitorModelBase model = MonitorRegistry.findModel(id);
        if (model != null && model.isEnabled()) {
          path = path.setDevice(null).removeFirstSegments(2);
          String bundleLocation = model.getInstallLocation();
          if (bundleLocation.endsWith(".jar")) { // $NON-NLS-1$
            bundleJar = bundleLocation;
          } else {
            path = new Path(model.getInstallLocation()).append(path);
          }
          location = path.toString();
        }
      }
    } else if (path.getDevice() == null
        && path.segmentCount() > 3
        && "platform:".equals(path.segment(0))) { // $NON-NLS-1$
      if ("plugin".equals(path.segment(1))) { // $NON-NLS-1$
        String id = path.segment(2);
        IMonitorModelBase model = MonitorRegistry.findModel(id);
        if (model != null && model.isEnabled()) {
          path = path.removeFirstSegments(3);
          String bundleLocation = model.getInstallLocation();
          if (bundleLocation.endsWith(".jar")) { // $NON-NLS-1$
            bundleJar = bundleLocation;
          } else {
            path = new Path(model.getInstallLocation()).append(path);
          }
          location = path.toString();
        }
      }
    }

    ArrayList paths = new ArrayList();
    if (location.indexOf("$nl$") != -1) { // $NON-NLS-1$
      StringTokenizer tokenizer = new StringTokenizer(TargetPlatform.getNL(), "_"); // $NON-NLS-1$
      String language = tokenizer.hasMoreTokens() ? tokenizer.nextToken() : null;
      String country = tokenizer.hasMoreTokens() ? tokenizer.nextToken() : null;
      if (language != null && country != null)
        paths.add(
            location.replaceAll(
                "\\$nl\\$",
                "nl"
                    + IPath.SEPARATOR
                    + language
                    + IPath.SEPARATOR
                    + country)); //$NON-NLS-1$ //$NON-NLS-2$
      if (language != null)
        paths.add(
            location.replaceAll(
                "\\$nl\\$", "nl" + IPath.SEPARATOR + language)); // $NON-NLS-1$ //$NON-NLS-2$
      paths.add(location.replaceAll("\\$nl\\$", "")); // $NON-NLS-1$ //$NON-NLS-2$
    } else {
      paths.add(location);
    }

    for (int i = 0; i < paths.size(); i++) {
      if (bundleJar == null) {
        IPath currPath = new Path(paths.get(i).toString());
        if (currPath.isAbsolute() && currPath.toFile().exists()) return true;
        if (PDEProject.getBundleRoot(fFile.getProject()).findMember(currPath) != null) return true;
        if (fBuildModel != null
            && fBuildModel.getEntry("source." + paths.get(i)) != null) // $NON-NLS-1$
        return true;
      } else {
        if (CoreUtility.jarContainsResource(new File(bundleJar), paths.get(i).toString(), false))
          return true;
      }
    }

    return false;
  }