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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */
package org.elasticsearch.client.indices;

import org.elasticsearch.xcontent.XContentParser;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;

public class GetDataStreamResponse {

    private final List dataStreams;

    GetDataStreamResponse(List dataStreams) {
        this.dataStreams = dataStreams;
    }

    public List getDataStreams() {
        return dataStreams;
    }

    public static GetDataStreamResponse fromXContent(XContentParser parser) throws IOException {
        final List templates = new ArrayList<>();
        for (XContentParser.Token token = parser.nextToken(); token != XContentParser.Token.END_OBJECT; token = parser.nextToken()) {
            if (token == XContentParser.Token.START_ARRAY) {
                while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
                    templates.add(DataStream.fromXContent(parser));
                }
            }
        }
        return new GetDataStreamResponse(templates);
    }

    @Override
    public int hashCode() {
        return Objects.hash(new HashSet<>(this.dataStreams));
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        GetDataStreamResponse other = (GetDataStreamResponse) obj;
        return Objects.equals(new HashSet<>(this.dataStreams), new HashSet<>(other.dataStreams));
    }

    @Override
    public String toString() {
        List thisList = new ArrayList<>(this.dataStreams);
        thisList.sort(Comparator.comparing(DataStream::getName));
        return "GetDataStreamResponse [dataStreams=" + thisList + "]";
    }
}