将棋盤アプリ用の XML ファイルとして、次のデータを使ってください。
<?xml version="1.0" encoding="utf-8" standalone="no" ?>
<!--DOCTYPE shogi SYSTEM "shogi.dtd"-->
<shogi>
<koma tejun="sente" name="hi" mochigoma="true" />
<koma tejun="sente" name="kin" x="8" y="1" />
<koma tejun="sente" name="hi" nari="true" x="6" y="2" />
<koma tejun="sente" name="kei" x="1" y="4" />
<koma tejun="sente" name="fu" x="1" y="5" />
<koma tejun="sente" name="fu" x="2" y="5" />
<koma tejun="sente" name="fu" x="5" y="5" />
<koma tejun="sente" name="gin" x="8" y="5" />
<koma tejun="sente" name="fu" x="3" y="6" />
<koma tejun="sente" name="gin" x="4" y="6" />
<koma tejun="sente" name="fu" x="7" y="6" />
<koma tejun="sente" name="fu" x="8" y="6" />
<koma tejun="sente" name="fu" x="9" y="6" />
<koma tejun="sente" name="kin" x="5" y="7" />
<koma tejun="sente" name="gyoku" x="9" y="7" />
<koma tejun="sente" name="kin" x="8" y="8" />
<koma tejun="sente" name="kyo" x="1" y="9" />
<koma tejun="sente" name="kei" x="8" y="9" />
<koma tejun="sente" name="kyo" x="9" y="9" />
<koma tejun="gote" name="fu" mochigoma="true" />
<koma tejun="gote" name="fu" mochigoma="true" />
<koma tejun="gote" name="fu" mochigoma="true" />
<koma tejun="gote" name="kyo" x="1" y="1" />
<koma tejun="gote" name="ou" x="2" y="1" />
<koma tejun="gote" name="kin" x="4" y="1" />
<koma tejun="gote" name="fu" x="1" y="2" />
<koma tejun="gote" name="fu" x="3" y="2" />
<koma tejun="gote" name="fu" x="2" y="3" />
<koma tejun="gote" name="kei" x="3" y="3" />
<koma tejun="gote" name="fu" x="6" y="3" />
<koma tejun="gote" name="kyo" x="9" y="3" />
<koma tejun="gote" name="gin" x="3" y="4" />
<koma tejun="gote" name="fu" x="4" y="4" />
<koma tejun="gote" name="gin" x="6" y="4" />
<koma tejun="gote" name="fu" x="9" y="4" />
<koma tejun="gote" name="kei" x="5" y="5" />
<koma tejun="gote" name="kaku" x="2" y="6" />
<koma tejun="gote" name="fu" nari="true" x="7" y="8" />
<koma tejun="gote" name="kaku" nari="true" x="6" y="9" />
</shogi>
<?xml version="1.0" encoding="utf-8" standalone="no" ?>
<!DOCTYPE shogi SYSTEM "shogi.dtd">
<shogi>
<koma tejun="sente" name="gin" mochigoma="true" />
<koma tejun="sente" name="gin" x="5" y="3" />
<koma tejun="sente" name="kaku" nari="true" x="8" y="5" />
<koma tejun="gote" mochigoma="restall" />
<koma tejun="gote" name="gin" x="4" y="1" />
<koma tejun="gote" name="ou" x="5" y="1" />
<koma tejun="gote" name="gin" x="6" y="1" />
</shogi>
<!ENTITY % tejunlist "(sente | gote)">
<!ENTITY % komalist "(fu | kyo | kei | gin | kin | hi | kaku | ou | gyoku)">
<!ENTITY % bool "(true | false)">
<!ENTITY % mochigomalist "(true | false | restall )">
<!ENTITY % zahyo "(1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9)">
<!ELEMENT shogi (koma*)>
<!ELEMENT koma EMPTY>
<!ATTLIST koma
tejun %tejunlist; #REQUIRED
name %komalist; #IMPLIED
nari %bool; #IMPLIED
mochigoma %mochigomalist; #IMPLIED
x %zahyo; #IMPLIED
y %zahyo; #IMPLIED>
DTD による XML ファイルのチェックを行うには、XML ファイルにて DOCTYPE 宣言をしてください。
import java.io.*;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
import javax.xml.*;
import javax.xml.parsers.*;
import javax.xml.validation.*;
class TestHandler extends DefaultHandler {
public TestHandler(){}
@Override
public void error(SAXParseException e) throws SAXException {
System.out.println(e);
}
}
class CheckDTD {
private static SAXParser getSAXParserWDTD() throws Exception {
final SAXParserFactory parserFactory = SAXParserFactory.newInstance();
parserFactory.setValidating(true);
parserFactory.setNamespaceAware(true);
return parserFactory.newSAXParser();
}
public static void main(String[] arg) throws Exception {
final SAXParser parser = getSAXParserWDTD();
parser.parse(new FileInputStream("shogi2.xml"),new TestHandler());
}
}
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:annotation>
</xsd:annotation>
<xsd:element name="shogi" type="shogiType" />
<xsd:complexType name="shogiType">
<xsd:sequence>
<xsd:element name="koma" type="komaType" maxOccurs="unbounded" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="komaType">
<xsd:attribute name="tejun" type="tejunType" use="required" />
<xsd:attribute name="name" type="komaNameType"/>
<xsd:attribute name="nari" type="xsd:boolean" default="false" />
<xsd:attribute name="mochigoma" type="mochigomaType" default="false" />
<xsd:attribute name="x" type="zahyo"/>
<xsd:attribute name="y" type="zahyo"/>
</xsd:complexType>
<xsd:simpleType name="tejunType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="sente" />
<xsd:enumeration value="gote" />
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="komaNameType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="fu" />
<xsd:enumeration value="kyo" />
<xsd:enumeration value="kei" />
<xsd:enumeration value="gin" />
<xsd:enumeration value="kin" />
<xsd:enumeration value="hi" />
<xsd:enumeration value="kaku" />
<xsd:enumeration value="ou" />
<xsd:enumeration value="gyoku" />
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="mochigomaType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="true" />
<xsd:enumeration value="false" />
<xsd:enumeration value="restall" />
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="zahyo">
<xsd:restriction base="xsd:int">
<xsd:enumeration value="1" />
<xsd:enumeration value="2" />
<xsd:enumeration value="3" />
<xsd:enumeration value="4" />
<xsd:enumeration value="5" />
<xsd:enumeration value="6" />
<xsd:enumeration value="7" />
<xsd:enumeration value="8" />
<xsd:enumeration value="9" />
</xsd:restriction>
</xsd:simpleType>
</xsd:schema>
XML Schema を使用して XML ファイルをチェックするには DOCTYPE 宣言を外してください。
import java.io.*;
import javax.xml.*;
import javax.xml.parsers.*;
import javax.xml.transform.dom.*;
import org.w3c.dom.*;
import javax.xml.validation.*;
class CheckXMLShema {
private final static String xsdfile="shogi.xsd";
private final static String xmlfile="shogi1.xml";
private static Validator getValidator(String xsd) throws Exception {
final SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
final Schema schema = sf.newSchema(new File(xsd));
return schema.newValidator();
}
private static Document getDocument(InputStream is) throws Exception {
final DocumentBuilderFactory factory
= DocumentBuilderFactory.newInstance();
final DocumentBuilder builder = factory.newDocumentBuilder();
return builder.parse(is);
}
public static void main(String[] arg) throws Exception {
final Validator validator = getValidator(xsdfile);
final Document doc = getDocument(new FileInputStream(xmlfile));
try {
validator.validate(new DOMSource(doc));
System.out.println("Document validates fine.");
} catch (org.xml.sax.SAXException e) {
System.out.println("Validation error: " + e.getMessage());
}
}
}