java xsd解析_java dom4j解析XSD文件

1.用DOM4J解析XSD文件，找出XSD文件中所有的element,type的定义，(xsd文件有4W多行)，最终找出的结果是element和type定义有6000多个，

2.递归找出指定type所用到的所有关联的元素，其中有用到XPATH来查找结点

根据type在xsd文件中查找，找到有type和element是自定义的就递归下去继续往下找，直到找到最后所有的type和element都是XSD自带的菜结束

package day3;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.io.StringReader;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Set;

import javax.xml.xpath.XPath;

import javax.xml.xpath.XPathConstants;

import javax.xml.xpath.XPathExpressionException;

import javax.xml.xpath.XPathFactory;

import org.dom4j.Attribute;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.Node;

import org.dom4j.QName;

import org.dom4j.Text;

import org.dom4j.io.SAXReader;

import org.dom4j.xpath.DefaultXPath;

import org.w3c.dom.NodeList;

import org.xml.sax.InputSource;

public class Test {

/

* @param args

* @throws DocumentException

* @throws IOException

* @throws XPathExpressionException

*/

public static Set listNotFindName = new HashSet();

public static Set set = new HashSet();//当前type查找出来的所有相关type定义

public static Set setAll = new HashSet();//第一次是全部的 ，removeall()以后是没用的type

//public static Set settoRemeave = new HashSet();

public static boolean isEnd =false;

public static String beginName=”TXLifeResponse”;

public static void main(String[] args) throws DocumentException, IOException, XPathExpressionException {

// TODO Auto-generated method stub

SAXReader saxReader = new SAXReader();

Document document = saxReader.read(new File(“bbxsd.xml”));

//Document documentAll = saxReader.read(new File(“bbxsd.xml”));

Element root = document.getRootElement();

for (Iterator iter = root.elementIterator(); iter.hasNext();)

{

Element e = (Element) iter.next();

System.out.println(e.attributeValue(“name”));

setAll.add(e.attributeValue(“name”));

}

Map xmlMap = new HashMap();

xmlMap.put(“xsd”, “http://www.w3.org/2001/XMLSchema”);

DefaultXPath xpath = new DefaultXPath(“/xsd:schema/xsd:simpleType[@name='”+beginName+”‘]|/xsd:schema/xsd:element[@name='”+beginName+”‘]|/xsd:schema/xsd:complexType[@name='”+beginName+”‘]”);

xpath.setNamespaceURIs(xmlMap);

Element e =(Element) xpath.selectSingleNode(document);

//System.out.println(e.asXML());

getName(e);

Iterator iterator=set.iterator();

Iterator iterator1=listNotFindName.iterator();

System.out.println(“set.size()===”+set.size());

System.out.println(“before remove setAll.size()===”+setAll.size());

removeAll();

System.out.println(“after remove setAll.size()===”+setAll.size());

System.out.println(“listNotFindName.size()===”+listNotFindName.size());

writeSetToFile(setAll,”delete”);

writeSetToFile(set,”allsearchType”);

writeSetToFile(listNotFindName,”listNotFindName”);

}

static Element getElementByName(String name) throws DocumentException

{

//System.out.println(“getElementByName(name) name is “+name);

SAXReader saxReader = new SAXReader();

Document document = saxReader.read(new File(“bbxsd.xml”));

Map xmlMap = new HashMap();

xmlMap.put(“xsd”, “http://www.w3.org/2001/XMLSchema”);

DefaultXPath xpath = new DefaultXPath(“/xsd:schema/xsd:simpleType[@name='”+beginName+”‘]|/xsd:schema/xsd:complexType[@name='”+beginName+”‘]|/xsd:schema/xsd:element[@name='”+beginName+”‘]”);

xpath.setNamespaceURIs(xmlMap);

//Element e = (Element)document.selectSingleNode(“/schema/simpleType[@name='”+name+”‘]|/schema/complexType[@name='”+name+”‘]|/schema/element[@name='”+name+”‘]”);

//Element e = (Element)document.selectSingleNode(“/schema/simpleType[@name='”+name+”‘ and namespace-uri()=’http://www.w3.org/2001/XMLSchema’]|/schema/complexType[@name='”+name+”‘ and namespace-uri()=’http://www.w3.org/2001/XMLSchema’]|/schema/element[@name='”+name+”‘ and namespace-uri()=’http://www.w3.org/2001/XMLSchema’]”);

Element e =(Element) xpath.selectSingleNode(document);

//System.out.println(“e.elements is “+e.elements().size());

return e;

}

public static void getName(Element e) throws DocumentException{

//System.out.println(“begin get name:”+beginName);

if(e==null){

System.out.println(“can not find e:”+beginName);

listNotFindName.add(beginName);

set.remove(beginName);

return;

}

String xml = e.asXML();

//System.out.println(xml);

SAXReader saxReader = new SAXReader();

InputSource in = new InputSource(new StringReader(xml));

Document document = saxReader.read(in);

Map xmlMap = new HashMap();

xmlMap.put(“xsd”, “http://www.w3.org/2001/XMLSchema”);

DefaultXPath xpath = new DefaultXPath(“//@name|//@type|//@ref|//@base”);   xpath.setNamespaceURIs(xmlMap);   List elements = xpath.selectNodes(document);   for(int i=0;i iterator=set.iterator();          while(iterator.hasNext()){            //System.out.println(iterator.next());           wr.write(iterator.next());           wr.newLine();           wr.flush();          }   } catch (IOException e) {    // TODO Auto-generated catch block    e.printStackTrace();   }finally{    try {     wr.close();    } catch (IOException e) {     // TODO Auto-generated catch block     e.printStackTrace();    }   }     } }