Element serializeIdentityConstraint()

in src/main/java/org/apache/ws/commons/schema/XmlSchemaSerializer.java [1327:1375]
42 lines of code
10 McCabe index (conditional complexity)

    Element serializeIdentityConstraint(Document doc, XmlSchemaIdentityConstraint constraintObj,
                                        XmlSchema schema) throws XmlSchemaSerializerException {

        Element constraint;

        if (constraintObj instanceof XmlSchemaUnique) {
            constraint = createNewElement(doc, "unique", schema.getSchemaNamespacePrefix(),
                                          XmlSchema.SCHEMA_NS);
        } else if (constraintObj instanceof XmlSchemaKey) {
            constraint = createNewElement(doc, "key", schema.getSchemaNamespacePrefix(),
                                          XmlSchema.SCHEMA_NS);
        } else if (constraintObj instanceof XmlSchemaKeyref) {
            constraint = createNewElement(doc, "keyref", schema.getSchemaNamespacePrefix(),
                                          XmlSchema.SCHEMA_NS);
            XmlSchemaKeyref keyref = (XmlSchemaKeyref)constraintObj;
            if (keyref.refer != null) {
                String keyrefStr = resolveQName(keyref.refer, schema);
                constraint.setAttribute("refer", keyrefStr);
            }
        } else {
            throw new XmlSchemaSerializerException("not valid identity " + "constraint");
        }

        if (constraintObj.getName() != null) {
            constraint.setAttribute("name", constraintObj.getName());
        }
        if (constraintObj.getAnnotation() != null) {
            Element annotation = serializeAnnotation(doc, constraintObj.getAnnotation(), schema);
            constraint.appendChild(annotation);
        }

        if (constraintObj.getSelector() != null) {
            Element selector = serializeSelector(doc, constraintObj.getSelector(), schema);
            constraint.appendChild(selector);
        }
        List<XmlSchemaXPath> fieldColl = constraintObj.getFields();
        if (fieldColl != null) {
            int fieldLength = fieldColl.size();
            for (int i = 0; i < fieldLength; i++) {
                Element field = serializeField(doc, fieldColl.get(i), schema);
                constraint.appendChild(field);
            }
        }

        // process extension
        processExtensibilityComponents(constraintObj, constraint);

        return constraint;
    }