JavaProjectUtilities.java 文件源码

public static IJavaProject[] getJavaProjects(final ITreeSelection treeSelection) {
  if (treeSelection == null) {
    return new IJavaProject[0];
  }
  final List<IJavaProject> projects = new ArrayList<>();
  final TreePath[] paths = treeSelection.getPaths();
  for (final TreePath treePath : paths) {
    if (treePath.equals(TreePath.EMPTY)) {
      continue;
    }
    for (int i = 0; i < treePath.getSegmentCount(); i++) {
      final Object segment = treePath.getSegment(i);
      if ((segment instanceof IJavaProject)) {
        projects.add((IJavaProject) segment);
        break;
      }
    }
  }
  return projects.toArray(new IJavaProject[projects.size()]);
}