Intellij Plugin Code Snippets

GetCurrentProject.java

finalAsyncResult<DataContext>dataContext=DataManager.getInstance().getDataContextFromFocus();
finalProjectproject=DataKeys.PROJECT.getData(dataContext.getResult());

GetPsiClassByName.java

PsiClassaggregateClass=JavaPsiFacade.getInstance(project).findClass("my.full.qualified.Class",GlobalSearchScope.allScope(project));

GetPsiClassFromVirtualFile.java

PsiFilepsiFile=PsiManager.getInstance(project).findFile((VirtualFile)o);
if(!(psiFileinstanceofPsiJavaFile)){
	returnfalse;
}
PsiJavaFilepsiJavaFile=(PsiJavaFile)psiFile;
PsiClass[]psiClasses=psiJavaFile.getClasses();
PsiClasspsiClass=psiClasses[0];

GetSuperPsiClasses.java

private List<PsiClass> getSuperClasses(PsiClass psiClass) {
    final ArrayList<PsiClass> superClasses = new ArrayList<PsiClass>();
    while (!"java.lang.Object".equals(psiClass.getQualifiedName())) {
        final PsiClass psiClass1 = psiClass;
        final PsiClass[] superTypes = psiClass1.getSupers();
        PsiClass superType = null;
        for (int i = 0; i < superTypes.length; i++) {
            final PsiClass type = superTypes[i];
            if (!type.isInterface()) {
                superType = type;
                break;
            }
        }
        if (superType == null) break;
        if (superClasses.contains(superType)) break;
        superClasses.add(superType);
        psiClass = superType;
    }
    return superClasses;
}