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Tools4j Config

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package org.deephacks.tools4j.config.internal.core.admin;

import org.deephacks.tools4j.config.model.AbortRuntimeException;
import org.deephacks.tools4j.config.model.Bean;
import org.deephacks.tools4j.config.model.Events;
import org.deephacks.tools4j.config.spi.Conversion;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Collection;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

/**
 * 
 * When beans are created or updated, it is the responsibility of the
 * validator to maintain data integrity by enforcing validation
 * constraints and reject operations that violate these rules.
 * 
 * This validator does JSR 303, Bean Validation and will not try to do schema
 * validation, ie check data types or referential integrity etc.
 * 
 * Validation will only be peformed if JSR 303 1.0 Bean Validation API
 * and compliant implementation are available on classpath.
 * 
 *
 * @author Kristoffer Sjogren
 */
final class Jsr303Validator {
    private Validator validator;
    private Conversion conversion = Conversion.get();
    private ConcurrentHashMap> classCache = new ConcurrentHashMap<>();

    /**
     * Validate a collection of bean instances. This method is called
     * when beans are provisioned from an administrative context.
     * 
     * Beans can correlate their respective validation constraints using
     * the schema name.
     * 
     *
     * @param beans to be validated.
     * @throws AbortRuntimeException
     */
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public void validate(Collection beans) throws AbortRuntimeException {
        if (validator == null) {
            validator = Validation.buildDefaultValidatorFactory().getValidator();
        }

        for (Bean bean : beans) {
            Class genclazz = loadClass(bean.getSchema().getType());
            Object beanToValidate = conversion.convert(bean, genclazz);
            Set> violations = validator.validate(beanToValidate);
            String msg = "";
            for (ConstraintViolation