service.Command Maven / Gradle / Ivy

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package service;

import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Consumer;

public abstract class Command {
    public static class Parameter{
        private String name;
        private String value;

        public Parameter(String name, String value) {
            assert name != null;
            assert value != null;

            this.name = name;
            this.value = value;
        }

        public String getName() {
            return name;
        }

        public String getValue() {
            return value;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            Parameter parameter = (Parameter) o;
            return name.equals(parameter.name) &&
                    value.equals(parameter.value);
        }

        @Override
        public int hashCode() {
            return Objects.hash(name, value);
        }

        @Override
        public String toString() {
            return "Parameter{" +
                    "name='" + name + '\'' +
                    ", value='" + value + '\'' +
                    '}';
        }
    }

    private String name; // command name
    protected final List parameters;

    public Command(String name, List parameters) {
        assert name != null;
        assert !(name.isEmpty());
        assert parameters != null;

        this.name = name;
        this.parameters = parameters;
    }

    public abstract Optional execute();

    public String getName() {
        return name;
    }

    public List getParameters() {
        return parameters;
    }
}