/*
 * Copyright 2010-2011 Ning, Inc.
 *
 * Ning 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.killbill.billing.util.config.catalog;

import java.net.URI;
import java.util.Collection;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;

@XmlAccessorType(XmlAccessType.NONE)
public abstract class ValidatingConfig<Context> {
    /**
     * All must implement validation
     *
     * @param root
     * @param errors
     * @return
     */
    public abstract ValidationErrors validate(Context root, ValidationErrors errors);


    /**
     * Override  to initialize
     *
     * @param root
     */
    public void initialize(final Context root, final URI uri) {
    }

    protected Collection<? extends ValidationError> validateCollection(final Context context,
                                                                       final ValidationErrors errors, final ValidatingConfig<Context>[] configs) {
        for (final ValidatingConfig<Context> config : configs) {
            config.validate(context, errors);
        }
        return errors;
    }
}
