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-rw-r--r--common/src/main/java/at/gv/egovernment/moa/util/DOMUtils.java68
1 files changed, 68 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/util/DOMUtils.java b/common/src/main/java/at/gv/egovernment/moa/util/DOMUtils.java
index a3416d44a..102d3a31f 100644
--- a/common/src/main/java/at/gv/egovernment/moa/util/DOMUtils.java
+++ b/common/src/main/java/at/gv/egovernment/moa/util/DOMUtils.java
@@ -535,6 +535,74 @@ public class DOMUtils {
return true;
}
+
+ /**
+ * Schema validate a given DOM element.
+ *
+ * @param element The element to validate.
+ * @param externalSchemaLocations A <code>String</code> containing namespace
+ * URI to schema location pairs, the same way it is accepted by the <code>xsi:
+ * schemaLocation</code> attribute.
+ * @param externalNoNamespaceSchemaLocation The schema location of the
+ * schema for elements without a namespace, the same way it is accepted by the
+ * <code>xsi:noNamespaceSchemaLocation</code> attribute.
+ * @return <code>true</code>, if the <code>element</code> validates against
+ * the schemas declared in it.
+ * @throws SAXException An error occurred parsing the document.
+ * @throws IOException An error occurred reading the document from its
+ * serialized representation.
+ * @throws ParserConfigurationException An error occurred configuring the XML
+ * @throws TransformerException An error occurred serializing the element.
+ */
+ public static boolean validateElement(
+ Element element,
+ String externalSchemaLocations,
+ String externalNoNamespaceSchemaLocation,
+ EntityResolver entityResolver)
+ throws
+ ParserConfigurationException,
+ IOException,
+ SAXException,
+ TransformerException {
+
+ byte[] docBytes;
+ SAXParser parser;
+
+ // create the SAX parser
+ if (symbolTable != null) {
+ parser = new SAXParser(symbolTable, grammarPool);
+ } else {
+ parser = new SAXParser();
+ }
+
+ // serialize the document
+ docBytes = serializeNode(element, "UTF-8");
+
+ // set up parser features and attributes
+ parser.setFeature(NAMESPACES_FEATURE, true);
+ parser.setFeature(VALIDATION_FEATURE, true);
+ parser.setFeature(SCHEMA_VALIDATION_FEATURE, true);
+
+ if (externalSchemaLocations != null) {
+ parser.setProperty(
+ EXTERNAL_SCHEMA_LOCATION_PROPERTY,
+ externalSchemaLocations);
+ }
+ if (externalNoNamespaceSchemaLocation != null) {
+ parser.setProperty(
+ EXTERNAL_NO_NAMESPACE_SCHEMA_LOCATION_PROPERTY,
+ "externalNoNamespaceSchemaLocation");
+ }
+
+ // set up entity resolver and error handler
+ parser.setEntityResolver(entityResolver);
+ parser.setErrorHandler(new MOAErrorHandler());
+
+ // parse validating
+ parser.parse(new InputSource(new ByteArrayInputStream(docBytes)));
+ return true;
+ }
+
/**
* Serialize the given DOM node.
*