JAXB抑制XSI和xmlns

时间:2010-09-22 20:03:30

标签: java xml jaxb

我正在使用JAXB来编组一些常规对象。我得到这样的输出:

<desiredskillslist>
 <employeeDesiredSkills xsi:type="employeeDesiredSkill" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <name>C Development</name>
 </employeeDesiredSkills>
 <employeeDesiredSkills xsi:type="employeeDesiredSkill" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <name>Perl Development</name>
 </employeeDesiredSkills>
 <employeeDesiredSkills xsi:type="employeeDesiredSkill" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <name>Java Development</name>
 </employeeDesiredSkills>
 <employeeDesiredSkills xsi:type="employeeDesiredSkill" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <name>Database Design</name>
 </employeeDesiredSkills>
 <employeeDesiredSkills xsi:type="employeeDesiredSkill" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <name>Grails Development</name>
 </employeeDesiredSkills>

我真的不希望xsi:type=xmlns:xsi=显示在我的最终文档中,因为它不需要它。这可能吗?

另外 - 我设置@XmlElementWrapper(name="desiredskillslist")将标签放在employeeDesiredSkills周围,但如果可能的话,我宁愿不要有<employeeDesiredSkillsT>标签 - 如果是的话就像名单一样,这很棒。当我注释ArrayList

时,为什么会这样出现?

1 个答案:

答案 0 :(得分:1)

  

我真的不想要xsi:type =和   xmlns:xsi =出现在我的决赛中   文件,因为它不需要它。是   这可能吗?

我不确定为什么xsi:type会出现在你面前。正如您在下面的示例中所看到的,它通常不会出现。从下面的例子中你的模型有哪些不同的东西?

  

我宁愿没有    标签 -   如果它只是名单,   那太好了。

我相信您正在寻找的东西可以通过@XmlValue注释来实现。请参阅下面DesiredSkill类的name属性:

import java.util.*;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
public class Root {

    private List<DesiredSkill> employeeDesiredSkills = new ArrayList<DesiredSkill>();

    public List<DesiredSkill> getEmployeeDesiredSkills() {
        return employeeDesiredSkills;
    }

    public void setEmployeeDesiredSkills(List<DesiredSkill> employeeDesiredSkills) {
        this.employeeDesiredSkills = employeeDesiredSkills;
    }

}

import javax.xml.bind.annotation.XmlValue;

public class DesiredSkill {

    private String name;

    @XmlValue
    public String getName() {
        return name;
    }

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

}

然后是以下代码:

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;

public class Demo {

    public static void main(String[] args) throws Exception {
        Root root = new Root();

        DesiredSkill cDev = new DesiredSkill();
        cDev.setName("C Development");
        root.getEmployeeDesiredSkills().add(cDev);

        DesiredSkill perlDev = new DesiredSkill();
        perlDev.setName("Perl Development");
        root.getEmployeeDesiredSkills().add(perlDev);

        JAXBContext jc = JAXBContext.newInstance(Root.class);
        Marshaller marshaller = jc.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        marshaller.marshal(root, System.out);
    }
}

将产生:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<root>
    <employeeDesiredSkills>C Development</employeeDesiredSkills>
    <employeeDesiredSkills>Perl Development</employeeDesiredSkills>
</root>
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