PsiTypeConverter.java 文件源码

@Nonnull
@CheckReturnValue
@Override
public PsiType apply(@Nonnull TypeName typeName) {
    return Stream.of(PrimitiveType.values())
            .filter(primitiveType -> primitiveType.isSameAs(typeName))
            .map(PrimitiveType::psiType)
            .findFirst()
            .orElseGet(() -> PsiType.getJavaLangObject(psiManager, GlobalSearchScope.EMPTY_SCOPE));
}