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 lesson8

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Link.java

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package com.urise.webapp.model;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import java.io.Serializable;

import java.util.Objects;

@XmlAccessorType(XmlAccessType.FIELD)

public class Link implements Serializable {

public static final long serialVersionUID = 1L;

private String name;

private String url;

public Link() {

}

public Link(String name, String url) {

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

this.name = name;

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

}

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;

if (!name.equals(link.name)) return false;

return 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;

}

}