com.github.haixing_hu.csl.Link.java Source code

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/******************************************************************************
 *
 * Copyright (c) 2013  Haixing Hu
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/

package com.github.haixing_hu.csl;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;

import static com.github.haixing_hu.csl.util.Argument.requireNonNull;

/**
 * The model of links of a CSL.
 *
 * @author Haixing Hu
 */
@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement
@XmlType(propOrder = { "href", "rel" })
public final class Link {

    @XmlAttribute(required = true)
    private String href;

    @XmlAttribute(required = true)
    private String rel;

    /**
     * Default constructs a {@link Link}.
     */
    public Link() {
        href = StringUtils.EMPTY;
        rel = StringUtils.EMPTY;
    }

    /**
     * Constructs a {@link Link}.
     */
    public Link(final String href, final String rel) {
        this.href = requireNonNull("href", href);
        this.rel = requireNonNull("rel", rel);
    }

    /**
     * Gets the href.
     *
     * @return the href.
     */
    public String getHref() {
        return href;
    }

    /**
     * Sets the href.
     *
     * @param href
     *          the new href to set.
     */
    public void setHref(final String href) {
        this.href = requireNonNull("href", href);
    }

    /**
     * Gets the rel.
     *
     * @return the rel.
     */
    public String getRel() {
        return rel;
    }

    /**
     * Sets the rel.
     *
     * @param rel
     *          the new rel to set.
     */
    public void setRel(final String rel) {
        this.rel = requireNonNull("rel", rel);
    }

    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this);
    }

    @Override
    public boolean equals(final Object obj) {
        return EqualsBuilder.reflectionEquals(this, obj);
    }

    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this);
    }
}