/*
 * Zed Attack Proxy (ZAP) and its related class files.
 *
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 *
 * Copyright 2015 The ZAP Development Team
 *
 * 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 org.zaproxy.zap.extension.fuzz.httpfuzzer.processors.tagcreator;

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

public class HttpResponseTagCreator {

    private TagRule tagRule;
    private String responseMessage;
    private List<String> existingTags;

    public HttpResponseTagCreator(
            TagRule tagRule, String responseMessage, List<String> existingTags) {
        this.tagRule = tagRule;
        this.responseMessage = responseMessage;
        this.existingTags = existingTags;
    }

    public List<String> create() {
        String tag = tagRule.createTag(responseMessage);
        if (tag != null) {
            return existingTagsUnionNewTag(tag);
        }
        return existingTags;
    }

    private List<String> existingTagsUnionNewTag(String tag) {
        List<String> tags = new ArrayList<>(existingTags);
        tags.add(tag);
        return tags;
    }
}
