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DASH MPD parser

There is a newer version: 0.13

package io.lindstrom.mpd.data;

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import io.lindstrom.mpd.support.RatioDeserializer;
import io.lindstrom.mpd.support.RatioSerializer;

import java.util.Objects;

@JsonSerialize(using = RatioSerializer.class)
@JsonDeserialize(using = RatioDeserializer.class)
public class Ratio {
    private final Long a;
    private final Long b;

    public Ratio(Long a, Long b) {
        this.a = a;
        this.b = b;
    }

    public Long getA() {
        return a;
    }

    public Long getB() {
        return b;
    }

    @Override
    public String toString() {
        return "Ratio{" + a + ":" + b + "}";
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Ratio ratio = (Ratio) o;
        return Objects.equals(a, ratio.a) &&
                Objects.equals(b, ratio.b);
    }

    @Override
    public int hashCode() {
        return Objects.hash(a, b);
    }

    public Builder buildUpon() {
        return new Builder()
                .withA(a)
                .withB(b);
    }

    public static Builder builder() {
        return new Builder();
    }

    public static Ratio of(long a, long b) {
        return new Ratio(a, b);
    }

    public static class Builder {
        private Long a;
        private Long b;

        public Builder withA(Long a) {
            this.a = a;
            return this;
        }

        public Builder withB(Long b) {
            this.b = b;
            return this;
        }

        public Ratio build() {
            return new Ratio(a, b);
        }
    }
}