  public static ToolsProject getDefaultProject()throws Exception {
  if(instance!= null){
 return instance;
 }
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IProject prj = root.getProject("DefaultProject");
if (!prj.exists()) {
final IWorkspace workspace = ResourcesPlugin.getWorkspace();
final IProjectDescription desc = workspace.newProjectDescription(prj.getName());
desc.setNatureIds(new String[] { "com.test.tools" });
desc.setComment("TOOLS");
prj.create(desc, null);
prj.open(IResource.BACKGROUND_REFRESH, null);
}
ToolsProject prject = new ToolsProject();
prject.setPrject(prj);
return prject;
 } IContainer container = (IContainer) resource;
final IFile file = container.getFile(new Path(sName + "/" + "s" + ".xml"));
ensureFolder((IFolder) file.getParent());
InputStream stream = openContentStream(siteName);
if (file.exists()) {
file.setContents(stream, true, true, monitor);
} else {
file.create(stream, true, monitor);
}
stream.close();
private InputStream openContentStream(String siteName) {
Site site = new Site();
site.setName(siteName);
XStream xstream = new XStream(new DomDriver());
String xml = xstream.toXML(site);
return new ByteArrayInputStream(xml.getBytes());
}
创建目录 mkdirs
public static void ensureFolder(IFolder folder) throws CoreException {
IContainer parent = folder.getParent();
if (parent instanceof IFolder) {
ensureFolder((IFolder) parent);
}
if (!folder.exists()) {
folder.create(true, false, null);
}
}
删除目录
dFolder.delete(true, null);
监听到资源发生变化
private void hookResourceListener() {
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IResourceChangeListener listener = new IResourceChangeListener() {
public void resourceChanged(IResourceChangeEvent event) {
viewer.refresh();
}
};
workspace.addResourceChangeListener(listener);
}
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