public void require()

in src/main/java/org/apache/xml/security/stax/impl/XMLSecurityStreamReader.java [109:142]
32 lines of code
14 McCabe index (conditional complexity)

    public void require(int type, String namespaceURI, String localName) throws XMLStreamException {
        XMLSecEvent xmlSecEvent = getCurrentEvent();
        if (xmlSecEvent.getEventType() != type) {
            throw new XMLStreamException("Event type mismatch");
        }

        if (localName != null) {
            if (xmlSecEvent.getEventType() != START_ELEMENT && xmlSecEvent.getEventType() != END_ELEMENT
                    && xmlSecEvent.getEventType() != ENTITY_REFERENCE) {
                throw new XMLStreamException("Expected non-null local name, but current token not a START_ELEMENT, END_ELEMENT or ENTITY_REFERENCE (was " + xmlSecEvent.getEventType() + ")");
            }
            String n = getLocalName();
            if (!n.equals(localName)) {
                throw new XMLStreamException("Expected local name '" + localName + "'; current local name '" + n + "'.");
            }
        }
        if (namespaceURI != null) {
            if (xmlSecEvent.getEventType() != START_ELEMENT && xmlSecEvent.getEventType() != END_ELEMENT) {
                throw new XMLStreamException("Expected non-null NS URI, but current token not a START_ELEMENT or END_ELEMENT (was " + xmlSecEvent.getEventType() + ")");
            }
            String uri = getNamespaceURI();
            // No namespace?
            if (namespaceURI.length() == 0) {
                if (uri != null && uri.length() > 0) {
                    throw new XMLStreamException("Expected empty namespace, instead have '" + uri + "'.");
                }
            } else {
                if (!namespaceURI.equals(uri)) {
                    throw new XMLStreamException("Expected namespace '" + namespaceURI + "'; have '"
                            + uri + "'.");
                }
            }
        }
    }