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Spring MVC Beginner's Guide
book

Spring MVC Beginner's Guide

by Amuthan Ganeshan
June 2014
Beginner to intermediate content levelBeginner to intermediate
304 pages
7h 25m
English
Packt Publishing
Content preview from Spring MVC Beginner's Guide

Time for action – adding an exception handler

We must show a nice error message that says that no products were found with the given product ID. Let's do that with the help of @ExceptionHandler:

  1. Create a class called ProductNotFoundException under the com.packt.webstore.exception package in the source folder src/main/java. Now, add the following code to it:
    package com.packt.webstore.exception;
    
    public class ProductNotFoundException extends RuntimeException{
    
      private static final long serialVersionUID =-694354952032299587L;
    
      private String productId;
    
      public ProductNotFoundException(String productId) {
        this.productId = productId;
      }
    
      public String getProductId() {
        return productId;
      }
    
    }
  2. Now, open our InMemoryProductRepository class and modify the getProductById ...
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Publisher Resources

ISBN: 9781783284870Supplemental Content