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/*******************************************************************************
 * Copyright 2012 Anteros Tecnologia
 *  
 * 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 br.com.anteros.bean.validation.util;


import br.com.anteros.bean.validation.ConstraintValidatorContextImpl;
import br.com.anteros.validation.api.ConstraintValidatorContext;

/**
 * Description: implementation of {@link NodeBuilderCustomizableContext}.

 */
final class NodeBuilderCustomizableContextImpl
      implements ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderCustomizableContext {
    private final ConstraintValidatorContextImpl parent;
    private final String messageTemplate;
    private final PathImpl propertyPath;
    private NodeImpl node;

    /**
     * Create a new NodeBuilderCustomizableContextImpl instance.
     * @param contextImpl
     * @param template
     * @param path
     * @param name
     */
    NodeBuilderCustomizableContextImpl(ConstraintValidatorContextImpl contextImpl, String template,
                              PathImpl path, String name) {
        parent = contextImpl;
        messageTemplate = template;
        propertyPath = path;
        node = new NodeImpl(name);
    }

    /**
     * {@inheritDoc}
     */
    public ConstraintValidatorContext.ConstraintViolationBuilder.NodeContextBuilder inIterable() {
        // Modifies the "previous" node in the path
        node.setInIterable(true);
        return new NodeContextBuilderImpl(parent, messageTemplate, propertyPath, node);
    }

    /**
     * {@inheritDoc}
     */
    public ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderCustomizableContext addNode(
          String name) {
        propertyPath.addNode(node);
        node = new NodeImpl(name);
        return this; // Re-use this instance
    }

    /**
     * {@inheritDoc}
     */
    public ConstraintValidatorContext addConstraintViolation() {
        propertyPath.addNode(node);
        node = null;
        parent.addError(messageTemplate, propertyPath);
        return parent;
    }
    
}