com.opencredo.domain.BookValidator.java Source code

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Here is the source code for com.opencredo.domain.BookValidator.java

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/*
 * Copyright 2005-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.opencredo.domain;

import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

public class BookValidator implements Validator {

    @SuppressWarnings("unchecked")
    public boolean supports(Class clazz) {
        return Book.class.isAssignableFrom(clazz);
    }

    public void validate(Object obj, Errors errors) {
        Book book = (Book) obj;
        validateAuthor(book, errors);
        validateTitle(book, errors);
        validateDescription(book, errors);
        validateAvailability(book, errors);
        validateCount(book, errors);
        validateWebsite(book, errors);
        validateCoverPng(book, errors);
    }

    public void validateAuthor(Book book, Errors errors) {
        ValidationUtils.rejectIfEmpty(errors, "author", "book.author.required", "Author is required.");
    }

    public void validateTitle(Book book, Errors errors) {
        ValidationUtils.rejectIfEmpty(errors, "title", "book.title.required", "Title is required.");
    }

    public void validateDescription(Book book, Errors errors) {
    }

    public void validateAvailability(Book book, Errors errors) {
    }

    public void validateCount(Book book, Errors errors) {
        ValidationUtils.rejectIfEmpty(errors, "count", "book.count.required", "Current count is required.");
    }

    public void validateWebsite(Book book, Errors errors) {
    }

    public void validateCoverPng(Book book, Errors errors) {
    }
}