package webapp.model;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import java.io.Serializable;

import java.util.Objects;

import static webapp.model.Section.EMPTY_STRING;

@XmlAccessorType(XmlAccessType.FIELD)

public class Link implements Serializable {

private static final long serialVersionUID = 1L;

private String name;

private String url;

public Link(String name, String url) {

Objects.requireNonNull(name, "name must not be null");

this.name = name;

this.url = url == null ? EMPTY_STRING : url;

}

public Link(String name) {

this(name, EMPTY_STRING);

}

public Link() {

}

public String getName() {

return name;

}

public String getUrl() {

return url;

}

@Override

public String toString() {

return "Link(" + name + ',' + url + ')';

}

@Override

public boolean equals(Object o) {

if (this == o) return true;

if (o == null || getClass() != o.getClass()) return false;

Link link = (Link) o;

return name.equals(link.name) && (url != null ? url.equals(link.url) : link.url == null);

}

@Override

public int hashCode() {

int result = name.hashCode();

result = 31 * result + (url != null ? url.hashCode() : 0);

return result;

}

}