How to use

clone

method

in

org.eclipse.core.runtime.IPath

public static void refresh(IPath path) {
  try {
    IResource r = ResourcesPlugin.getWorkspace().getRoot().findMember(
        path);
    if (r != null)
      return;
    IPath p = (IPath) path.clone();
    while (p.segmentCount() > 0) {
      p = p.removeLastSegments(1);
      IResource resource = ResourcesPlugin.getWorkspace().getRoot()
          .findMember(p);
      if (resource != null) {
        resource.refreshLocal(2, null);
        return;
      }
    }
  } catch (Exception e) {
    Activator.getDefault().error("While refreshing path " + path, e);
  }
  System.out.println("Unexpectedly could not find path in workspace: "
      + path);
}

public static void refresh(IPath path) {
  try {
    IResource r = ResourcesPlugin.getWorkspace().getRoot().findMember(
        path);
    if (r != null)
      return;
    IPath p = (IPath) path.clone();
    while (p.segmentCount() > 0) {
      p = p.removeLastSegments(1);
      IResource resource = ResourcesPlugin.getWorkspace().getRoot()
          .findMember(p);
      if (resource != null) {
        resource.refreshLocal(2, null);
        return;
      }
    }
  } catch( ResourceException re ) {
    // TODO Ignore for now
  }
  catch (Exception e) {
    Activator.getDefault().error("While refreshing path " + path, e);
  }
}

private File getProjectFolderForSourceFolder(File file) {
  final IPath filePath = Path.fromOSString(file.getAbsolutePath());
  for (final String rawPath : this.candidates) {
    final IPath path = Path.fromPortableString(rawPath);
    IPath parent = null;
    IPath fp = (IPath) filePath.clone();
    while (fp != null) {
      if (path.isPrefixOf(fp)) {
        if (parent == null) {
          return file.getParentFile();
        }
        return parent.toFile();
      }
      if (parent == null) {
        parent = Path.fromPortableString("/" + fp.segment(0)); //$NON-NLS-1$
      } else {
        parent = parent.append(fp.segment(0));
      }
      if (fp.segmentCount() > 1) {
        fp = fp.removeFirstSegments(1);
      } else {
        fp = null;
      }
    }
  }
  return null;
}

private void addWebappAttr(ILaunchConfiguration configuration,
    List<String> runtimeVmArgs, String cfgAttr) throws CoreException {
  IJavaProject proj = this.getJavaProject(configuration);
  if (proj == null)
    return;
  String value = configuration.getAttribute(cfgAttr, "");
  if ("/".equals(value)) {
    IPath path = (IPath) proj.getResource().getLocation().clone();
    path.makeAbsolute();
    value = path.toOSString();
  } else {
    if (proj.getProject().getFolder(value).getLocation() == null) {
      throw new IllegalStateException(
          "raw location shouldn't be null");
    }
    value = proj.getProject().getFolder(value).getLocation()
        .toOSString();
  }
  if (value.length() == 0)
    return;
  String arg = "-Drjr" + "webapp" + "=" + value + "";
  runtimeVmArgs.add(arg);
  return;
}

IPath initPath = (IPath) path.clone();