/*
 * Copyright 2013 Mozilla Foundation
 *
 * 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 com.mozilla.bagheera.consumer.validation;

import java.util.LinkedList;
import java.util.List;

public class ValidationPipeline {

    private List<Validator> validators = new LinkedList<Validator>();
    
    public void addFirst(Validator validator) {
        validators.add(0, validator);
    }
    
    public void addLast(Validator validator) {
        validators.add(validator);
    }
    
    public boolean isValid(byte[] data) {
        boolean valid = false;
        for (Validator validator : validators) {
            valid = validator.isValid(data);
            if (!valid) {
                break;
            }
        }
        
        return valid;
    }
    
}
