/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.myfaces.extensions.validator.baseval.strategy;

import org.apache.myfaces.extensions.validator.baseval.annotation.Validator;
import org.apache.myfaces.extensions.validator.baseval.annotation.SkipValidationSupport;
import org.apache.myfaces.extensions.validator.core.metadata.MetaDataEntry;
import org.apache.myfaces.extensions.validator.core.validation.strategy.AbstractValidationStrategy;
import org.apache.myfaces.extensions.validator.util.ClassUtils;
import org.apache.myfaces.extensions.validator.internal.UsageInformation;
import org.apache.myfaces.extensions.validator.internal.UsageCategory;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;

/**
 * @author Gerhard Petracek
 * @since 1.x.1
 */
@SkipValidationSupport
@UsageInformation(UsageCategory.INTERNAL)
public class ValidatorStrategy extends AbstractValidationStrategy
{
    protected void processValidation(FacesContext facesContext,
            UIComponent uiComponent, MetaDataEntry metaDataEntry,
            Object convertedObject) throws ValidatorException
    {

        Class<? extends javax.faces.validator.Validator>[] validatorClasses =
            metaDataEntry.getValue(Validator.class).value();

        javax.faces.validator.Validator validator;
        for (Class validatorClassName : validatorClasses)
        {
            validator = (javax.faces.validator.Validator) ClassUtils
                    .tryToInstantiateClass(validatorClassName);

            if (validator == null)
            {
                if(logger.isTraceEnabled())
                {
                    logger.trace(validatorClassName.getName() + " not found");
                }

                continue;
            }
            validator.validate(facesContext, uiComponent, convertedObject);
        }
    }
}