Reorganizing to a parent project, a light and a heavy (validating) library, a commandline application and the server

libraryExtended/src/main/java/ZUV/Validator.java

@@ -0,0 +1,60 @@
+package ZUV;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.net.URL;
+
+import javax.xml.XMLConstants;
+import javax.xml.transform.Source;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.xml.sax.SAXException;
+
+//abstract class
+public abstract class Validator {
+	private static final Logger LOGGER = LoggerFactory.getLogger(Validator.class.getCanonicalName()); // log output
+	
+	protected ValidationContext context;
+	
+	public Validator(ValidationContext ctx){
+		this.context=ctx;
+	}
+	
+	//abstract method
+	
+	public abstract void setFilename(String filename) throws IrrecoverableValidationError;
+	public abstract void validate() throws IrrecoverableValidationError;
+
+	public String getXMLResult() {
+		return context.getXMLResult();
+	}
+	
+	/***
+	 * validates a schema, which can only be needed in XML validation - and in pdf validation for additional data
+	 * @param xmlRawData
+	 * @param schemaPath
+	 */
+	protected void validateSchema(byte[] xmlRawData, String schemaPath,int section, EPart part) throws IrrecoverableValidationError {
+		URL schemaFile = ClassLoader.getSystemResource("schema/" + schemaPath);
+		Source xmlData = new StreamSource(new ByteArrayInputStream(xmlRawData));
+		SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+		try {
+			Schema schema = schemaFactory.newSchema(schemaFile);
+			javax.xml.validation.Validator validator = schema.newValidator();
+			validator.validate(xmlData);
+		} catch (SAXException e) {
+			context.addResultItem(new ValidationResultItem(ESeverity.error, "schema validation fails:" + e)
+					.setSection(section).setPart(part));
+		} catch (IOException e) {
+			LOGGER.error(e.getMessage(), e);
+		}
+
+	}
+
+
+
+}