com.edgenius.wiki.model.PageLink.java Source code

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Here is the source code for com.edgenius.wiki.model.PageLink.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.edgenius.wiki.model;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.hibernate.annotations.Index;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.edgenius.core.Constants;
import com.edgenius.wiki.gwt.client.model.LinkModel;

/**
 * @author Dapeng.Ni
 */

@Entity
@Table(name = Constants.TABLE_PREFIX + "PAGE_LINKS")
@org.hibernate.annotations.Table(appliesTo = Constants.TABLE_PREFIX + "PAGE_LINKS", indexes = {
        @Index(name = "PAGE_LINK_INDEX", columnNames = { "SPACE_UNIX_NAME", "LINK", "LINK_TYPE" }) })
public class PageLink implements Cloneable, Serializable {
    private static final long serialVersionUID = -6009761484937051123L;

    private static transient final Logger log = LoggerFactory.getLogger(PageLink.class);
    public static final int TYPE_INTERNAL = 0;
    //at moment, only internal link will saved into table, external link(ie, http:// etc) won't save 
    public static final int TYPE_EXTERNAL = 1;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO, generator = "key_seq")
    @SequenceGenerator(name = "key_seq", sequenceName = Constants.TABLE_PREFIX + "PAGE_LINKS_SEQ")
    @Column(name = "PUID")
    private Integer uid;

    //owner page
    @ManyToOne
    @JoinColumn(name = "PAGE_PUID")
    private Page page;

    @Column(name = "LINK_TYPE")
    private int type;

    //page title
    @Column(name = "LINK")
    private String link;

    @Column(name = "NEW_LINK", nullable = true)
    private String newLink;

    @Column(name = "ANCHOR", nullable = true)
    private String anchor;

    @Column(name = "SPACE_UNIX_NAME", nullable = true)
    private String spaceUname;

    //how many equals() PageLink(spaceUname,link,view,anchor)

    @Column(name = "LINK_COUNT")
    private int amount;

    @Column(name = "HIT")
    private int hit;

    //********************************************************************
    //               methods
    //********************************************************************
    /**
     * Deep clone user object, all clone will set its Uid as null, to future saving.
     */
    public Object clone() {
        PageLink cLink = null;
        try {
            cLink = (PageLink) super.clone();
        } catch (CloneNotSupportedException e) {
            log.error("Clone " + this.getClass().getName() + " object failed ", e);
        }
        return cLink;
    }

    public boolean equals(Object obj) {
        if (!(obj instanceof PageLink))
            return false;
        PageLink ln = (PageLink) obj;

        return StringUtils.equalsIgnoreCase(ln.spaceUname, this.spaceUname)
                && StringUtils.equalsIgnoreCase(ln.link, this.link) && ln.type == this.type;
    }

    public int hashCode() {
        return new HashCodeBuilder().append(this.spaceUname).append(this.link).append(this.type).toHashCode();
    }

    /**
     * @param object
     * @return
     */
    public static PageLink copyFrom(Page ownerPage, LinkModel model) {
        PageLink link = new PageLink();

        //hardcode, as we don't save external link so far
        link.type = TYPE_INTERNAL;
        link.link = model.getLink();
        link.anchor = model.getAnchor();
        link.spaceUname = model.getSpaceUname();
        link.page = ownerPage;
        //start for 1
        link.amount = 1;
        return link;
    }
    //********************************************************************
    //               Set / Get
    //********************************************************************

    public Integer getUid() {
        return uid;
    }

    public void setUid(Integer uid) {
        this.uid = uid;
    }

    public String getAnchor() {
        return anchor;
    }

    public void setAnchor(String anchor) {
        this.anchor = anchor;
    }

    public String getLink() {
        return link;
    }

    public void setLink(String link) {
        this.link = link;
    }

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public Page getPage() {
        return page;
    }

    public void setPage(Page page) {
        this.page = page;
    }

    public String getSpaceUname() {
        return spaceUname;
    }

    public void setSpaceUname(String spaceUname) {
        this.spaceUname = spaceUname;
    }

    public int getHit() {
        return hit;
    }

    public void setHit(int hit) {
        this.hit = hit;
    }

    public int getAmount() {
        return amount;
    }

    public void setAmount(int amount) {
        this.amount = amount;
    }

    public String getNewLink() {
        return newLink;
    }

    public void setNewLink(String newLink) {
        this.newLink = newLink;
    }

}