今日笔记系列之Castor

近日对java对象与xml文本的相互转换有一定兴趣，于是乎在网上查看了一下相关的资料。发现了castor。

并浏览了该页面http://www.jdon.com/idea/castor.htm，但发现上面的代码有一些错漏。

自己用eclipse写了一个简单的代码如下：（主要参考了上面提到的网站的内容）

该程序是读入page.xml文件，然后转化为java对象。接着把java对象写到另外一个文件里。

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1.page.xml，要被转化为对象的页面

<?xml version="1.0" encoding="UTF-8"?><homepagecollection name="this is sample">   <!-- 对应Homepagecollection类  --> <homepagecontent id="1">   <!-- 对应Homepagecontent 类  -->  <name>About Us</name>  <navlink>1.jsp</navlink>  <icon>images/icon.gif</icon>  <description>An in-depth look at creating applications with XML.</description> </homepagecontent> <homepagecontent id="2">   <!-- 对应Homepagecontent 类  -->  <name>Product|Service</name>  <navlink>2.jsp</navlink>  <icon>images/icon.gif</icon>  <description>let's tak a look at our products.</description> </homepagecontent></homepagecollection>

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2.Homepagecontent.java，一个符合JavaBean规格的简单类

package tryForCastor;

public class Homepagecontent implements java.io.Serializable {

    private static final long serialVersionUID = 3689909565688657717L;

    private Integer id;

    private String name;

    private String navlink;        private String icon;

    private String description;

    public Homepagecontent() {    }

    public Integer getId() {        return id;    }

    public void setId(Integer id) {        this.id = id;    }

    public String getName() {        return name;    }

    public void setName(String name) {        this.name = name;    }        public String getNavlink() {        return navlink;    }

    public void setNavlink(String navlink) {        this.navlink = navlink;    }

    public String getIcon() {        return icon;    }

    public void setIcon(String icon) {        this.icon = icon;    }

    public String getDescription() {        return description;    }

    public void setDescription(String description) {        this.description = description;    }

}

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3.Homepagecollection.java，

package tryForCastor;

import java.util.*;

public class Homepagecollection implements java.io.Serializable {

    private static final long serialVersionUID = 3545239128603309878L;

    private String SiteName;

    private List homepagecontents = new ArrayList();

    public Homepagecollection() {    }

    // -- manipulate the List of Page objects    public void addHomePageContent(Homepagecontent homepagecontent) {        homepagecontents.add(homepagecontent);    }

    public List getHomepagecontents() {        return homepagecontents;    }

    // -- manipulate the name of the address book    public String getName() {        return SiteName;    }

    public void setName(String name) {        this.SiteName = name;    }

}

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4.mapping.xml，映射文件，把要转化的xml文件和java类联系起来

<?xml version="1.0" encoding="UTF-8"?><mapping> <description>a map file for our new template system</description> <class name="Homepagecontent">  <map-to xml="homepagecontent"/>  <field name="id" type="integer">   <bind-xml name="id" node="attribute" />  </field>  <field name="name" type="string" />  <field name="navlink" type="string" />  <field name="icon" type="string" />  <field name="description" type="string" /> </class> <class name="Homepagecollection">  <map-to xml="homepagecollection"/>  <field name="name" type="string">   <bind-xml name="name" node="attribute" />  </field>  <field name="homepagecontents" type="Homepagecontent"    coll