DiffGenerator.java

/*
 * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *   WSO2 Inc. 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.wso2.carbon.governance.comparator;

import org.wso2.carbon.governance.comparator.common.DefaultComparison;

import java.util.ArrayList;
import java.util.List;

public class DiffGenerator {

    private List<Comparator<?>> comparators = new ArrayList<>();

    public DiffGenerator(List<Comparator<?>> comparators) {
        this.comparators.addAll(comparators);
    }

    public Comparison compare(Object base, Object changed, String mediaType) throws ComparisonException {
        Comparison comparison = new DefaultComparison();
        for (Comparator comparator : comparators) {
            if (comparator.isSupportedMediaType(mediaType)) {
                comparator.compare(base, changed, comparison);
            }
        }
        return comparison;
    }

}