/**
* Finds nested XML schema definition and compiles it to a schema type system instance.
*
* @param wsdl
* @return
* @throws MojoExecutionException
*/
private SchemaTypeSystem compileXsd(XmlObject wsdl) throws MojoExecutionException {
// extract namespaces defined on wsdl-level:
String[] namespacesWsdl = extractNamespacesOnWsdlLevel(wsdl);
// calc the namespace-prefix of the schema-tag, default ""
String schemaNsPrefix = extractSchemaNamespacePrefix(wsdl);
// extract each schema-element and add missing namespaces defined on wsdl-level
String[] schemas = getNestedSchemas(wsdl, namespacesWsdl, schemaNsPrefix);
XmlObject[] xsd = new XmlObject[schemas.length];
try {
for (int i = 0; i < schemas.length; i++) {
xsd[i] =
XmlObject.Factory.parse(
schemas[i],
(new XmlOptions())
.setLoadLineNumbers()
.setLoadMessageDigest()
.setCompileDownloadUrls());
}
} catch (Exception e) {
throw new MojoExecutionException("Failed to parse XSD schema", e);
}
SchemaTypeSystem schemaTypeSystem = null;
try {
schemaTypeSystem =
XmlBeans.compileXsd(xsd, XmlBeans.getContextTypeLoader(), new XmlOptions());
} catch (XmlException e) {
for (Object error : e.getErrors()) {
getLog().error("Line " + ((XmlError) error).getLine() + ": " + error.toString());
}
throw new MojoExecutionException("Failed to compile XSD schema", e);
} catch (Exception e) {
throw new MojoExecutionException("Failed to compile XSD schema", e);
}
return schemaTypeSystem;
}
@Override
protected void checkMessageStructure() throws MessageValidationException {
boolean messageStructureFailure = false;
try {
// Create a pseudo XML message
XmlObject pseudoMessage = XmlObject.Factory.newInstance();
XmlCursor pmCursor = pseudoMessage.newCursor();
pmCursor.toNextToken();
pmCursor.beginElement(profile.getMessageStructureID(), "urn:hl7-org:v2xml");
BufferedReader br = new BufferedReader(new StringReader(message.getMessageAsString()));
String line = null;
while ((line = br.readLine()) != null) {
if (!line.matches("\\s*")) {
String fieldSep = ((Er7Message) message).getFieldSeparatorChar();
try {
int idx = line.indexOf(fieldSep);
if (idx == -1 && line.length() <= 3) {
idx = 3;
}
line = line.substring(0, idx);
if (!line.startsWith("Z")) {
pmCursor.beginElement(line, "urn:hl7-org:v2xml");
pmCursor.toNextToken();
}
} catch (StringIndexOutOfBoundsException e) {
if (line.length() > 3) {
System.out.println(line);
}
}
}
}
pmCursor.dispose();
// Create a schema
StreamSource xsltStream =
new StreamSource(
MessageStructureValidationV2Er7.class
.getClassLoader()
.getResourceAsStream(MessageValidationConstants.XSLT_CHECK_STRUCTURE));
Transformer t = TransformerFactory.newInstance().newTransformer(xsltStream);
t.setParameter("groups", "false");
t.setParameter("xml", "false");
StreamSource src = new StreamSource(profile.getDocument().newInputStream());
ByteArrayOutputStream out = new ByteArrayOutputStream();
t.transform(src, new StreamResult(out));
XmlObject schemaDoc =
XmlObject.Factory.parse(
new ByteArrayInputStream(out.toByteArray()), (new XmlOptions()).setLoadLineNumbers());
// pseudoMessage.save(new File("tmp/mu/PseudoMessage.xml"));
// schemaDoc.save(new File("tmp/mu/Schema.xsd"));
// Load the schema
SchemaTypeLoader sLoader = null;
Collection<Object> compErrors = new ArrayList<Object>();
XmlOptions schemaOptions = new XmlOptions();
schemaOptions.setErrorListener(compErrors);
XmlObject[] schemas = new XmlObject[1];
schemas[0] = schemaDoc;
sLoader = XmlBeans.compileXsd(schemas, sLoader, schemaOptions);
// Load the Message
XmlObject xobj =
sLoader.parse(pseudoMessage.toString(), null, (new XmlOptions()).setLoadLineNumbers());
// Validate the Message against the schema
Collection<XmlValidationError> errors = new ArrayList<XmlValidationError>();
xobj.validate(new XmlOptions().setErrorListener(errors));
Iterator<XmlValidationError> it = errors.iterator();
while (it.hasNext()) {
XmlValidationError xve = it.next();
messageFailures.add(interpretSchemaError(xve));
messageStructureFailure = true;
}
} catch (XmlException xmle) {
// This type of exception is thrown when the generated schema is
// ambiguous
MessageFailureV2 mf = new MessageFailureV2(message.getEncoding());
mf.setDescription(
"The message validation can't be performed because the profile is ambiguous."
+ " Possible reasons for this problem include an ambiguous message definition"
+ " specified in the standard or an ambiguous message definition caused by the"
+ " user changing the Usage settings for segments during profile creation."
+ " Remember that a segment with the same name MUST be separated by at least one"
+ " non-optional segment with a different name.");
mf.setFailureSeverity(ErrorSeverityConstants.FATAL);
mf.setFailureType(AssertionTypeV2Constants.AMBIGUOUS_PROFILE);
messageFailures.add(mf);
} catch (Exception e) {
throw new MessageValidationException(e.getMessage());
} finally {
if (!messageStructureFailure) {
MessageFailureV2 mf = new MessageFailureV2(message.getEncoding());
mf.setDescription("The message structure at the segment level is correct.");
mf.setFailureSeverity(ErrorSeverityConstants.NORMAL);
mf.setFailureType(AssertionTypeV2Constants.CHECKED);
messageFailures.add(mf);
}
}
}
