/**
* Walk the XML tree and validate all nodes.
*
* @param received
* @param source
* @param validationContext
*/
private void validateXmlTree(
Node received,
Node source,
XmlMessageValidationContext validationContext,
NamespaceContext namespaceContext,
TestContext context) {
switch (received.getNodeType()) {
case Node.DOCUMENT_TYPE_NODE:
doDocumentTypeDefinition(received, source, validationContext, namespaceContext, context);
break;
case Node.DOCUMENT_NODE:
validateXmlTree(
received.getFirstChild(),
source.getFirstChild(),
validationContext,
namespaceContext,
context);
break;
case Node.ELEMENT_NODE:
doElement(received, source, validationContext, namespaceContext, context);
break;
case Node.TEXT_NODE:
case Node.CDATA_SECTION_NODE:
doText(received, source);
break;
case Node.ATTRIBUTE_NODE:
throw new IllegalStateException();
case Node.COMMENT_NODE:
doComment(received);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
doPI(received);
break;
}
}
/**
* Checks whether the given node contains a validation matcher
*
* @param node
* @return true if node value contains validation matcher, false if not
*/
private boolean isValidationMatcherExpression(Node node) {
switch (node.getNodeType()) {
case Node.ELEMENT_NODE:
return node.getFirstChild() != null
&& StringUtils.hasText(node.getFirstChild().getNodeValue())
&& ValidationMatcherUtils.isValidationMatcherExpression(
node.getFirstChild().getNodeValue().trim());
case Node.ATTRIBUTE_NODE:
return StringUtils.hasText(node.getNodeValue())
&& ValidationMatcherUtils.isValidationMatcherExpression(node.getNodeValue().trim());
default:
return false; // validation matchers makes no sense
}
}
/**
* Handle element node.
*
* @param received
* @param source
* @param validationContext
*/
private void doElement(
Node received,
Node source,
XmlMessageValidationContext validationContext,
NamespaceContext namespaceContext,
TestContext context) {
doElementNameValidation(received, source);
doElementNamespaceValidation(received, source);
// check if element is ignored either by xpath or by ignore placeholder in source message
if (XmlValidationUtils.isElementIgnored(
source, received, validationContext.getIgnoreExpressions(), namespaceContext)) {
return;
}
// work on attributes
if (log.isDebugEnabled()) {
log.debug("Validating attributes for element: " + received.getLocalName());
}
NamedNodeMap receivedAttr = received.getAttributes();
NamedNodeMap sourceAttr = source.getAttributes();
Assert.isTrue(
countAttributes(receivedAttr) == countAttributes(sourceAttr),
ValidationUtils.buildValueMismatchErrorMessage(
"Number of attributes not equal for element '" + received.getLocalName() + "'",
countAttributes(sourceAttr),
countAttributes(receivedAttr)));
for (int i = 0; i < receivedAttr.getLength(); i++) {
doAttribute(
received, receivedAttr.item(i), source, validationContext, namespaceContext, context);
}
// check if validation matcher on element is specified
if (isValidationMatcherExpression(source)) {
ValidationMatcherUtils.resolveValidationMatcher(
source.getNodeName(),
received.getFirstChild().getNodeValue().trim(),
source.getFirstChild().getNodeValue().trim(),
context);
return;
}
// work on child nodes
NodeList receivedChilds = received.getChildNodes();
NodeList sourceChilds = source.getChildNodes();
Assert.isTrue(
receivedChilds.getLength() == sourceChilds.getLength(),
ValidationUtils.buildValueMismatchErrorMessage(
"Number of child elements not equal for element '" + received.getLocalName() + "'",
sourceChilds.getLength(),
receivedChilds.getLength()));
for (int i = 0; i < receivedChilds.getLength(); i++) {
this.validateXmlTree(
receivedChilds.item(i),
sourceChilds.item(i),
validationContext,
namespaceContext,
context);
}
if (log.isDebugEnabled()) {
log.debug(
"Validation successful for element: "
+ received.getLocalName()
+ " ("
+ received.getNamespaceURI()
+ ")");
}
}