“xsi:type” et “xmlns:xsi” dans le xml généré par JAXB

- Je utiliser JAXB pour créer un dossier et des fichiers de la hiérarchie

Mon modèle:

@XmlRootElement
public class Root {
@XmlAttribute
private String path;
@XmlElement(name = "dir")
private ArrayList<Dir> rootContentDirs = null;
@XmlElement(name = "file")
private ArrayList<FileObj> rootContentFiles = null;
public void setRootContentDirs(ArrayList<Dir> rootContentDirs) {
this.rootContentDirs = rootContentDirs;
}
public void setRootContentFiles(ArrayList<FileObj> rootContentFiles) {
this.rootContentFiles = rootContentFiles;
}
public void setPath(String path) {
this.path = path;
}
}
public class Dir {
@XmlAttribute
private String name;
@XmlElement(name = "dir")
private ArrayList dirs = null;
@XmlElement(name = "file")
private ArrayList files = null;
public void setName(String name) {
this.name = name;
}
public void setDirs(ArrayList dirs) {
this.dirs = dirs;
}
public void setFiles(ArrayList files) {
this.files = files;
}
}
public class FileObj{
@XmlAttribute
private String name;
@XmlAttribute
private long size;
@XmlAttribute
private String type;
public void setName(String name) {
this.name = name;
}
public void setSize(long size) {
this.size = size;
}
public void setType(String type) {
this.type = type;
}
}

Je veux faire de l'arborescence de répertoires et de fichiers:

public class XmlByJaxb extends Generator {
private static final String JAXB_XML = "./jaxb.xml";
private static Root root = null;
@Override
public void output() throws IOException {
JAXBContext context = null;
Marshaller m = null;
try {
context = JAXBContext.newInstance(Root.class, Dir.class, FileObj.class);
m = context.createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
m.marshal(root, new File(JAXB_XML));
} catch (JAXBException e) {
}
}
@Override
public void run() {
ArrayList<FileObj> rootFiles = addFiles(dir);
ArrayList<Dir> rootDirs = make(dir);
root = new Root();
root.setPath(dir.getPath());
root.setRootContentFiles(rootFiles);
root.setRootContentDirs(rootDirs);
/.../
}

Mais je hava étrange "xsi:type" et "xmlns:xsi" dans le xml généré:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<root path="/home/phlamey/IdeaProjects/FileUtillite">
<dir name="src">
<dir xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="dir" name="test">
<dir xsi:type="dir" name="java">
/.../

Donc ma question: qu'est-ce que cela signifie et comment le supprimer?

OriginalL'auteur psmagin | 2013-12-19