All Downloads are FREE. Search and download functionalities are using the official Maven repository.
  • Log In
  • Register

    • com.github.leeonky.util.NullPointerInChainException Maven / Gradle / Ivy

    The newest version!
    package com.github.leeonky.util;

import java.util.List;
import java.util.stream.Collectors;

import static com.github.leeonky.util.BeanClass.cast;

public class NullPointerInChainException extends RuntimeException {
    public NullPointerInChainException(List chain, int level) {
        super(makeMessage(chain, level));
    }

    private static String makeMessage(List chain, int level) {
        List dotChain = chain.stream().map(NullPointerInChainException::chainToString).collect(Collectors.toList());
        dotChain.set(level, "<" + dotChain.get(level) + ">");
        return "Failed to read value at property chain: " + String.join("", dotChain);
    }

    private static String chainToString(Object o) {
        return cast(o, Integer.class).map(i -> "[" + i + "]").orElseGet(() -> "." + o);
    }
}
    
    
    
    

    




    
    
    © 2015 - 2024 Weber Informatics LLC | Privacy Policy