<?php

/*
 * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * 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.
 */

namespace JMS\SerializerBundle\Serializer\Exclusion;

use JMS\SerializerBundle\Metadata\ClassMetadata;
use JMS\SerializerBundle\Metadata\PropertyMetadata;

class GroupExclusionStrategy implements ExclusionStrategyInterface
{
    private $groups = array();

    public function __construct($groups)
    {
        if (!is_array($groups)) {
            $this->groups[$groups] = true;
        } else {
            foreach ($groups as $group) {
                $this->groups[$group] = true;
            }
        }
    }

    public function shouldSkipClass(ClassMetadata $metadata)
    {
        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function shouldSkipProperty(PropertyMetadata $property)
    {
        if ($this->groups && $property->group) {
            foreach ($property->group as $group) {
                if (isset($this->groups[$group])) {
                    return false;
                }
            }
        }
        return true;
    }
}