private static PsiElement fixCatchBlock(GrTryCatchStatement tryCatch, PsiClassType[] exceptions) {
if (exceptions.length == 0) return tryCatch;
final GroovyPsiElementFactory factory =
GroovyPsiElementFactory.getInstance(tryCatch.getProject());
final GrCatchClause[] clauses = tryCatch.getCatchClauses();
List<String> restricted =
ContainerUtil.map(
clauses,
new Function<GrCatchClause, String>() {
@Override
@Nullable
public String fun(GrCatchClause grCatchClause) {
final GrParameter grParameter = grCatchClause.getParameter();
return grParameter != null ? grParameter.getName() : null;
}
});
restricted = ContainerUtil.skipNulls(restricted);
final DefaultGroovyVariableNameValidator nameValidator =
new DefaultGroovyVariableNameValidator(tryCatch, restricted);
GrCatchClause anchor = clauses.length == 0 ? null : clauses[clauses.length - 1];
for (PsiClassType type : exceptions) {
final String[] names =
GroovyNameSuggestionUtil.suggestVariableNameByType(type, nameValidator);
final GrCatchClause catchClause = factory.createCatchClause(type, names[0]);
final GrStatement printStackTrace =
factory.createStatementFromText(names[0] + ".printStackTrace()");
catchClause.getBody().addStatementBefore(printStackTrace, null);
anchor = tryCatch.addCatchClause(catchClause, anchor);
JavaCodeStyleManager.getInstance(anchor.getProject()).shortenClassReferences(anchor);
}
return tryCatch;
}
private static PsiElement generateTryCatch(PsiElement element, PsiClassType[] exceptions) {
if (exceptions.length == 0) return element;
GrTryCatchStatement tryCatch =
(GrTryCatchStatement)
GroovyPsiElementFactory.getInstance(element.getProject())
.createStatementFromText("try{} catch (Exception e){}");
final GrStatement statement = PsiTreeUtil.getParentOfType(element, GrStatement.class);
assert statement != null;
tryCatch.getTryBlock().addStatementBefore(statement, null);
tryCatch = (GrTryCatchStatement) statement.replace(tryCatch);
tryCatch.getCatchClauses()[0].delete();
fixCatchBlock(tryCatch, exceptions);
return tryCatch;
}
