我试图在将其写入文件之前先验证内存中的xml文档。我发现许多与我的问题类似的问题，但我认为这是有区别的。
为此验证定义了多个模式，并在它们的关系（从父级到子级）中使用了“ redefine”选项，如下所示：
CoreSchema.xsd-> CenterSchema.xsd-> CenterSchema_REF.xsd
CoreSchema.xsd（由于安全策略，仅作为示例，不完整）
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns="http://www.example.com/supplier" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.example.com/supplier" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.8">
<xs:element name="NewIssue">
<xs:annotation>
<xs:documentation>Root element to add new issues</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element name="NewIssueList">
<xs:annotation>
<xs:documentation>Contains a list of issues</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence maxOccurs="unbounded">
<xs:element name="Issue" type="ImportIssueType"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
...
...
CenterSchema.xsd
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns="http://www.example.com/supplier" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://http://www.example.com/supplier" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.8">
<xs:redefine schemaLocation="CoreSchema.xsd">
<xs:complexType name="Issue">
<xs:complexContent>
<xs:extension base="Issue">
<xs:sequence>
<xs:element name="Component" type="Components"/>
<xs:element name="Keywords" type="Keywords" minOccurs="0"/>
<xs:element name="SupplierStatus" type="SupplierStatus" minOccurs="0"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="ImportIssueType">
<xs:annotation>
<xs:documentation>Definition of a exported issue</xs:documentation>
</xs:annotation>
<xs:complexContent>
<xs:extension base="ImportIssueType">
<xs:sequence>
<xs:element name="Component" type="Components">
<xs:annotation>
<xs:documentation>Describes the component where the issue occurs.</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="Keywords" type="Keywords" minOccurs="0">
<xs:annotation>
<xs:documentation>Keyword applied for the issue.</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
...
...
</xs:redefine>
</xs:schema>
CenterSchema_REF.xsd
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns="http://www.example.com/supplier" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.example.com/supplier" elementFormDefault="qualified" attributeFormDefault="unqualified" version="4.7">
<xs:redefine schemaLocation="CenterSchema.xsd">
...
...
</xs:redefine>
编辑：序列化的文档（以.xml文件编写）如下所示：
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<NewIssue xmlns="http://www.example.com/supplier" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.example.com/supplier CenterSchema_REF.xsd">
<NewIssueList>
<Issue>
<SupplierID>574</SupplierID>
<NewIssueMode>Read Only</NewIssueMode>
<Author>
<Name/>
</Author>
<Category>Software</Category>
<ItemType>Test-Issue</ItemType>
<IssueClass>Issue</IssueClass>
<DetectedOnDate>2014-08-14</DetectedOnDate>
<Device>TEST</Device>
<Severity>1</Severity>
<Supplier>
<ContactName/>
<Data>Analysis: [Reason of problem] [Condition for defect] [Impact] [Risk] [Root cause]</Data>
<Status>Supplier Not Assigned</Status>
<StatusInternal>SUBMITTED</StatusInternal>
</Supplier>
...
...
</Issue>
</NewIssueList>
</NewIssue>
我实现了SchemaFactory和验证，如下所示：
private boolean toFile(final String outputPath, final Node document) {
boolean resultOk = false;
try {
DOMSource domSource = new DOMSource(document);
SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
factory.setResourceResolver(new CustomResourceResolver());
try {
InputStream schemaCSREF = DxiParser.class.getResourceAsStream("/CenterSchema_REF.xsd");
factory.setFeature("http://apache.org/xml/features/honour-all-schemaLocations", true);
factory.setFeature("http://apache.org/xml/features/validation/schema-full-checking", false);
Source source = new StreamSource(schemaCSREF);
Schema schema = factory.newSchema(source);
Validator validator = schema.newValidator();
validator.validate(domSource);
} catch (SAXException e) {
// instance document is invalid!
System.out.println(e.getLocalizedMessage());
System.out.println("\n** SAX Parser: Error during validation of " +document.getNodeName());
return false;
}
FileOutputStream xmlOut = new FileOutputStream(new File(outputPath));
StreamResult streamResult = new StreamResult(xmlOut);
TransformerFactory tf = TransformerFactory.newInstance();
Transformer serializer = tf.newTransformer();
serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
// serializer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM,"users.dtd");
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
serializer.transform(domSource, streamResult);
xmlOut.close();
resultOk = true;
// ---- Error handling ----
} catch (TransformerConfigurationException tce) {
System.out.println("\n** Transformer Factory error");
System.out.println(" " + tce.getMessage());
Throwable e = (tce.getException() != null) ? tce.getException()
: tce;
e.printStackTrace();
} catch (TransformerException tfe) {
System.out.println("\n** Transformation error");
System.out.println(" " + tfe.getMessage());
Throwable e = (tfe.getException() != null) ? tfe.getException()
: tfe;
e.printStackTrace();
} catch (IOException ioe) {
ioe.printStackTrace();
}
return resultOk;
}
CustomResourceResolver的实现如下：
public class CustomResourceResolver implements LSResourceResolver {
@Override
public LSInput resolveResource(String type, String namespaceURI,
String publicId, String systemId, String baseURI) {
LSInputImpl input = new LSInputImpl();
InputStream stream = null;
try {
stream = new FileInputStream(new File(systemId));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
input.setPublicId(publicId);
input.setSystemId(systemId);
input.setBaseURI(baseURI);
input.setCharacterStream(new InputStreamReader(stream));
return input;
}
}
LSInput实现是标准的：
public class LSInputImpl implements LSInput{
private Reader characterStream;
private InputStream byteStream;
private String stringData;
private String systemId;
private String publicId;
private String baseURI;
private String encoding;
private boolean certifiedText;
//getters and setters
}
我可以确认所有架构文件都已被加载（在路径中找到）并已填充到Schema对象中。我在Schema对象的Grammar字段中看到，所有复杂类型都被检测到，并且我看到此特定条目已加载到XSComplexTypeDecl的数组中：
复杂类型名称='http://www.example.com/supplier,#AnonType_NewIssue'，基本类型名称='anyType'，内容类型='ELEMENT'，isAbstract ='false'，hasTypeId ='false'，final ='0'，块='0'，粒子='（“ http://www.example.com/supplier”：NewIssueList）'，bindedBy ='RESTRICTION'。
因此，这证明已经通过CenterSchema到达了CoreSchema，而通过CenterSchema_REF到达了CoreSchema。
注意：当我将工厂功能“ http://apache.org/xml/features/validation/schema-full-checking”设置为true时，XSComplexTypeDecl字段为空。
试图将所有3个xsds添加为Source []，错误是相同的。尝试将不同的工厂功能设置为true / false。
我不知道还要检查什么，完全卡住了。
如果需要，我可以提供更多信息。谢谢大家
最佳答案
作为一种解决方法，我通过在序列化后实际验证实例（从文件系统加载实例）来解决了该问题。
try {
InputStream schemaCSAPC = new FileInputStream(schemaFile);
factory.setFeature("http://apache.org/xml/features/honour-all-schemaLocations", true);
factory.setFeature("http://apache.org/xml/features/validation/schema-full-checking", false);
FileOutputStream xmlOut = new FileOutputStream(new File(outputPath));
StreamResult streamResult = new StreamResult(xmlOut);
TransformerFactory tf = TransformerFactory.newInstance();
Transformer serializer = tf.newTransformer();
serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
// serializer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM,"users.dtd");
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
serializer.transform(domSource, streamResult);
xmlOut.close();
Source source = new StreamSource(new FileInputStream(outputPath));
Source shemaSource = new StreamSource(schemaCSREF);
Schema schema = factory.newSchema(shemaSource);
Validator validator = schema.newValidator();
validator.validate(source);
} catch (SAXException e) {
// instance document is invalid!
System.out.println("\n** SAX Parser: Error during validation of " +document.getNodeName());
return false;
}
仍然，这不是按照要求的，但是至少我没有被阻止并且可以管理。