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  • 检查dtd和Xschema文件限制下的xml文件是否符合的Java文件

    先来xml文件：

     1 <?xml version="1.0" encoding="utf-8"?>
 2 <!DOCTYPE orders SYSTEM "orders.dtd">
 3 <orders> <!-- 所有订单信息 -->
 4     <order orderDate="2003-10-20"> <!--orderDate为日期型 -->
 5         <shipTo country="CN"><!--country必须出现 -->
 6             <name>张三峰</name> <!-- 收件人 -->
 7             <street>市中区滨河路778号5+3大酒店</street> <!-- 县/区及街道地址 -->
 8             <city>乐山市</city> <!-- 市/区 -->
 9             <state>四川省</state> <!-- 省/自治区/直辖市 -->
10             <phone>13999999999</phone> <!-- 联系电话 -->
11         </shipTo>
12         <items> <!-- 商品列表，item应至少出现1次 -->
13             <item partNum="872-AA"> <!--商品编号，必须有 -->
14                 <productName>Lawnmower</productName><!-- 商品名称 -->
15                 <quantity>1</quantity> <!-- 购买数量 -->
16                 <price>148.95</price> <!-- 单价 -->
17                 <shipDate>2003-10-21</shipDate> <!-- 配送日期 -->
18             </item>
19             <item partNum="926-AA">
20                 <productName>Baby Monitor</productName>
21                 <quantity>1</quantity>
22                 <price>39.98</price>
23                 <shipDate>2003-10-22</shipDate>
24             </item>
25         </items>
26     </order>
27 </orders>
    orders.xml

    再来对应的dtd文件：

     1 <!ELEMENT orders (order*)>
 2 <!ELEMENT order (shipTo*, items+)>
 3 
 4 <!ELEMENT shipTo (name, street, city, state, phone)>
 5 <!ELEMENT name (#PCDATA)>
 6 <!ELEMENT street (#PCDATA)>
 7 <!ELEMENT city (#PCDATA)>
 8 <!ELEMENT state (#PCDATA)>
 9 <!ELEMENT phone (#PCDATA)>
10 
11 <!ELEMENT items (item+)>
12 <!ELEMENT item (productName, quantity, price, shipDate)>
13 <!ELEMENT productName (#PCDATA)>
14 <!ELEMENT quantity (#PCDATA)>
15 <!ELEMENT price (#PCDATA)>
16 <!ELEMENT shipDate (#PCDATA)>
17 
18 <!ATTLIST order orderDate CDATA #REQUIRED>
19 <!ATTLIST shipTo country CDATA #REQUIRED>
20 <!ATTLIST item partNum CDATA #REQUIRED>
    orders.dtd

    <!--应该有些地方限制得不太合理，但是可以运行出来，这里主要记录一下Java文件-->

    下面是对应的检查的Java类：

     1 import javax.xml.parsers.DocumentBuilder;
 2 import javax.xml.parsers.DocumentBuilderFactory;
 3 import org.w3c.dom.Document;
 4 
 5 public class XmlDtdCheck {
 6 
 7     public static void main(String[] args) {
 8         // TODO Auto-generated method stub
 9         try {
10             DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
11             factory.setValidating(true);
12             
13             DocumentBuilder builder = factory.newDocumentBuilder();
14             Document doc1 = (Document) builder.parse("orders.xml");
15             Document doc2 = (Document) builder.parse("citizen.xml");
16             // System.out.println(doc.getNodeValue());
17             // doc并不是null，它是一个对象
18         } catch (Exception e) {
19             // TODO: handle exception
20             System.err.println("ERROR!!!" + e.getMessage());
21         }
22     }
23 
24 }
    TestDTD.java

    <!--这里只是转成了document类，并没有使用-->

    然后又是一个严格一点的Java类：

     1 import java.io.File;
 2 
 3 import java.io.*;
 4 import org.xml.parsers.*;
 5 import org.w3c.dom.*;
 6 import java.util.Scanner;
 7 
 8 public class TestValidate {
 9 
10     public static void main(String[] args) {
11         // TODO Auto-generated method stub
12         try {
13             DocumentBuilderFacory factor = DocumentBilderFactory.newInstance();
14             factor.setValidating(true);
15             DocumentBuilder builder = factory.newDocumentBuilder();
16             MyHandler handler = new MyHandler();
17             builder.setErrorHandler(handler);
18             Document document = builder.parse(new File("orders.xml"));
19             
20             if(handler.errorMessage == null) {
21                 System.out.println("文件是有效的");
22             } else {
23                 System.out.println("文件是无效的");
24             }
25         } catch (Exception e) {
26             System.out.println(e);
27         }
28     }
29 }
30 
31 class MyHandler extends DefaultHandler {
32     String errorMessage = null;
33     
34     public void error(SAXParseException e) throws SAXException {
35         errorMessage = e.getMessage();
36         System.out.println("一般错误"+errorMessage);
37     }
38     
39     public void fatalError(SAXParseException e) throws SAXException {
40         errorMessage = e.getMessage();
41         System.out.println("致命错误"+errorMessage);
42     }
43 }
    TestValidate.java

    代码未经验证，请检验后运行。

    接下来是验证Schema文件下的XML文件的有效性。

    老规矩——XML文件：

     1 <?xml version="1.0" encoding="utf-8"?>
 2 <orders xmlns="http://www.w3school.com.cn"
 3         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4         xsi:schemaLocation="http://www.w3school.com.cn orders.xsd"> <!-- 所有订单信息 -->
 5     <order> <!-- 订单，至少包含1个订单 -->
 6         <orderDate>2018-05-20</orderDate><!--orderDate为日期型 -->
 7         <shipTo country="CN"><!-- 配送信息，country属性必须出现 -->
 8             <name>张三峰</name> <!-- 收件人，长度小于50 -->
 9             <street>市中区滨河路778号5+3大酒店</street> <!-- 县/区及街道地址 -->
10             <city>乐山市</city> <!-- 市/区，长度小于50 -->
11             <state>四川省</state> <!-- 省/自治区/直辖市，长度小于50 -->
12             <phone>13999999999</phone> <!-- 联系电话，要求必须是1开头，后面第2位数字3-9，再后面是9个数字 -->
13         </shipTo>
14         <items> <!-- 商品列表，item应至少出现1次 -->
15             <item partNum="872-AA"> <!-- 商品编号属性，必须有 -->
16                 <productName>香辣鸡翅</productName><!-- 商品名称，长度小于50 -->
17                 <quantity>1</quantity> <!-- 购买数量,至少是1 -->
18                 <price>18.95</price> <!-- 单价为浮点数，大于0.0 -->
19                 <shipDate>2018-05-21</shipDate> <!-- 配送日期 -->
20             </item>
21             <item partNum="926-AA">
22                 <productName>烧烤五花肉</productName>
23                 <quantity>20</quantity>
24                 <price>39.98</price>
25                 <shipDate>2018-05-20</shipDate>
26             </item>
27         </items>
28     </order>
29 </orders>
30 
31 <!-- 
32 xmlns="http://www.example.org/01"
33         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
34         xsi:noNameSpaceSchemaLocation="orders.xsd"
35  -->
    orders.xml

    xsd文件：

      1 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  2             targetNamespace="http://www.w3school.com.cn"
  3             xmlns="http://www.w3school.com.cn"
  4             elementFormDefault="qualified">
  5     <xsd:element name="orders">
  6         <xsd:complexType>
  7             <xsd:sequence>
  8                 <xsd:element ref="order" minOccurs="1" maxOccurs="unbounded"></xsd:element>
  9             </xsd:sequence>
 10         </xsd:complexType>
 11     </xsd:element>
 12     
 13     <xsd:element name="order">
 14         <xsd:complexType>
 15             <xsd:sequence>
 16                 <xsd:element name="orderDate" type="xsd:date" minOccurs="1" maxOccurs="1"></xsd:element>
 17                 <xsd:element ref="shipTo" minOccurs="1" maxOccurs="1"></xsd:element>
 18                 <xsd:element ref="items" minOccurs="1" maxOccurs="1"></xsd:element>
 19             </xsd:sequence>
 20         </xsd:complexType>
 21     </xsd:element>
 22     
 23     <xsd:element name="shipTo">
 24         <xsd:complexType>
 25             <xsd:sequence>
 26                 <xsd:element ref="name"></xsd:element>
 27                 <xsd:element name="street"></xsd:element>
 28                 <xsd:element name="city"></xsd:element>
 29                 <xsd:element name="state"></xsd:element>
 30                 <xsd:element ref="phone"></xsd:element>
 31             </xsd:sequence>
 32             <xsd:attribute name="country" type="xsd:string" use="required"></xsd:attribute>
 33         </xsd:complexType>
 34     </xsd:element>
 35     
 36     <xsd:element name="items">
 37         <xsd:complexType>
 38             <xsd:sequence>
 39                 <xsd:element ref="item" minOccurs="1" maxOccurs="unbounded"></xsd:element>
 40             </xsd:sequence>
 41         </xsd:complexType>
 42     </xsd:element>
 43     
 44     <xsd:element name="item">
 45         <xsd:complexType>
 46             <xsd:sequence>
 47                 <xsd:element ref="productName"></xsd:element>
 48                 <xsd:element ref="quantity"></xsd:element>
 49                 <xsd:element ref="price"></xsd:element>
 50                 <xsd:element name="shipDate" type="xsd:date"></xsd:element>
 51             </xsd:sequence>
 52             <xsd:attribute name="partNum" type="xsd:string" use="required"></xsd:attribute>
 53         </xsd:complexType>
 54     </xsd:element>
 55     
 56     <xsd:element name="name">
 57         <xsd:simpleType>
 58             <xsd:restriction base="xsd:string">     
 59                 <xsd:minLength value="0"/>
 60                 <xsd:maxLength value="50"/>
 61             </xsd:restriction>
 62         </xsd:simpleType>
 63     </xsd:element>
 64     
 65     <xsd:element name="phone">
 66         <xsd:simpleType>
 67             <!-- <xsd:restriction base="xsd:integer">
 68                 <xsd:minInclusive value="13000000000"></xsd:minInclusive>
 69                 <xsd:maxInclusive value="19999999999"></xsd:maxInclusive>
 70             </xsd:restriction> -->
 71             <xsd:restriction base="xsd:string">
 72                 <xsd:minLength value="11"></xsd:minLength>
 73                 <xsd:maxLength value="11"></xsd:maxLength>
 74                 <xsd:pattern value="1[3-9]{1}[0-9]{9}"></xsd:pattern>
 75             </xsd:restriction>
 76         </xsd:simpleType>
 77     </xsd:element>
 78     
 79     <xsd:element name="productName">
 80         <xsd:simpleType>
 81             <xsd:restriction base="xsd:string">
 82                 <xsd:maxLength value="50"/>
 83             </xsd:restriction>
 84         </xsd:simpleType>
 85     </xsd:element>
 86     
 87     <xsd:element name="quantity">
 88         <xsd:simpleType>
 89             <xsd:restriction base="xsd:integer">
 90                 <xsd:minInclusive value="1" />
 91             </xsd:restriction>
 92         </xsd:simpleType>
 93     </xsd:element>
 94     
 95     <xsd:element name="price">
 96         <xsd:simpleType>
 97             <xsd:restriction base="xsd:float">
 98                 <xsd:minInclusive value="0.1"></xsd:minInclusive>
 99             </xsd:restriction>
100         </xsd:simpleType>
101     </xsd:element>
102 </xsd:schema>
    orders.xsd

    验证xml文件有效性的Java文件：

     1 import java.io.File;
 2 
 3 import javax.xml.transform.stream.StreamSource;
 4 import javax.xml.validation.Schema;
 5 import javax.xml.validation.SchemaFactory;
 6 import javax.xml.validation.Validator;
 7 
 8 import org.xml.sax.SAXException;
 9 import org.xml.sax.SAXParseException;
10 import org.xml.sax.helpers.DefaultHandler;
11 
12 public class TestXSD {
13 
14     public static void main(String[] args) {
15         // TODO Auto-generated method stub
16         File xsdfile = new File("orders.xsd");
17         File xmlfile = new File("orders.xml");
18         Handler errorHandler = null;
19         try {
20             SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
21             Schema schema = schemaFactory.newSchema(xsdfile);
22             Validator validator = schema.newValidator();
23             errorHandler = new Handler();
24             validator.setErrorHandler(errorHandler);
25             validator.validate(new StreamSource(xmlfile));
26         } catch (Exception e) {
27             System.out.println(e);
28         }
29         if (errorHandler.errorMessage == null) {
30             System.out.println("XML 文件：" + xmlfile.getName()+"符合模式");
31         } else {
32             System.out.println("XML 文件：" + xmlfile.getName()+"不符合模式");
33         }
34     }
35 }
36 
37 class Handler extends DefaultHandler {
38     String errorMessage = null;
39     
40     public void error(SAXParseException e) throws SAXException {
41         errorMessage = e.getMessage();
42         int row = e.getLineNumber();
43         int colums = e.getColumnNumber();
44         System.out.println("一般错误"+errorMessage+"位置:"+row+","+colums);
45     }
46     
47     public void fatalError(SAXParseException e) throws SAXException {
48         errorMessage = e.getMessage();
49         int row = e.getLineNumber();
50         int colums = e.getColumnNumber();
51         System.out.println("致命错误"+errorMessage+"位置:"+row+","+colums);
52     }
53 }
    TestXSD.java
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  • 原文地址：https://www.cnblogs.com/Ddlm2wxm/p/9193035.html
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