Examples with RemoveNamespaceOperation org.eclipse.rdf4j.http.protocol.transaction.operations.RemoveNamespaceOperation used on opensource projects

Example 1 with RemoveNamespaceOperation

use of org.eclipse.rdf4j.http.protocol.transaction.operations.RemoveNamespaceOperation in project rdf4j by eclipse.

the class TransactionSAXParser method startTag.

@Override
public void startTag(String tagName, Map<String, String> atts, String text) throws SAXException {
    if (TransactionXMLConstants.URI_TAG.equals(tagName)) {
        parsedValues.add(valueFactory.createIRI(text));
    } else if (TransactionXMLConstants.BNODE_TAG.equals(tagName)) {
        parsedValues.add(valueFactory.createBNode(text));
    } else if (TransactionXMLConstants.LITERAL_TAG.equals(tagName)) {
        String lang = atts.get(TransactionXMLConstants.LANG_ATT);
        String datatype = atts.get(TransactionXMLConstants.DATATYPE_ATT);
        String encoding = atts.get(TransactionXMLConstants.ENCODING_ATT);
        if (encoding != null && "base64".equalsIgnoreCase(encoding)) {
            text = new String(javax.xml.bind.DatatypeConverter.parseBase64Binary(text));
        }
        Literal lit;
        if (lang != null) {
            lit = valueFactory.createLiteral(text, lang);
        } else if (datatype != null) {
            IRI dtURI = valueFactory.createIRI(datatype);
            lit = valueFactory.createLiteral(text, dtURI);
        } else {
            lit = valueFactory.createLiteral(text);
        }
        parsedValues.add(lit);
    } else if (TransactionXMLConstants.NULL_TAG.equals(tagName)) {
        parsedValues.add(null);
    } else if (TransactionXMLConstants.SET_NAMESPACE_TAG.equals(tagName)) {
        String prefix = atts.get(TransactionXMLConstants.PREFIX_ATT);
        String name = atts.get(TransactionXMLConstants.NAME_ATT);
        txn.add(new SetNamespaceOperation(prefix, name));
    } else if (TransactionXMLConstants.REMOVE_NAMESPACE_TAG.equals(tagName)) {
        String prefix = atts.get(TransactionXMLConstants.PREFIX_ATT);
        txn.add(new RemoveNamespaceOperation(prefix));
    } else if (TransactionXMLConstants.CLEAR_NAMESPACES_TAG.equals(tagName)) {
        txn.add(new ClearNamespacesOperation());
    } else if (TransactionXMLConstants.SPARQL_UPDATE_TAG.equals(tagName)) {
        if (currentSPARQLUpdate != null) {
            throw new SAXException("unexpected start of SPARQL Update operation");
        }
        currentSPARQLUpdate = new SPARQLUpdateOperation();
        String baseURI = atts.get(TransactionXMLConstants.BASE_URI_ATT);
        boolean includeInferred = Boolean.parseBoolean(atts.get(TransactionXMLConstants.INCLUDE_INFERRED_ATT));
        currentSPARQLUpdate.setIncludeInferred(includeInferred);
        currentSPARQLUpdate.setBaseURI(baseURI);
    } else if (TransactionXMLConstants.UPDATE_STRING_TAG.equals(tagName)) {
        currentSPARQLUpdate.setUpdateString(text);
    } else if (TransactionXMLConstants.DATASET_TAG.equals(tagName)) {
        currentDataset = new SimpleDataset();
    } else if (TransactionXMLConstants.DEFAULT_INSERT_GRAPH.equals(tagName)) {
        currentDataset.setDefaultInsertGraph(valueFactory.createIRI(text));
    } else if (TransactionXMLConstants.GRAPH_TAG.equals(tagName)) {
        parsedValues.add(valueFactory.createIRI(text));
    } else if (TransactionXMLConstants.BINDINGS.equals(tagName)) {
        if (bindings != null) {
            throw new SAXException("unexpected start of SPARQL Update operation bindings");
        }
        bindings = new ArrayList<Binding>();
    } else if (TransactionXMLConstants.BINDING_URI.equals(tagName) || TransactionXMLConstants.BINDING_BNODE.equals(tagName) || TransactionXMLConstants.BINDING_LITERAL.equals(tagName)) {
        if (bindings == null) {
            throw new SAXException("unexpected start of SPARQL Update operation binding (without <bindings>)");
        }
        String value = text;
        String name = atts.get(TransactionXMLConstants.NAME_ATT);
        if (name != null && value != null) {
            Value v;
            if (TransactionXMLConstants.BINDING_URI.equals(tagName)) {
                v = valueFactory.createIRI(value);
            } else if (TransactionXMLConstants.BINDING_BNODE.equals(tagName)) {
                v = valueFactory.createBNode(value);
            } else {
                String language = atts.get(TransactionXMLConstants.LANGUAGE_ATT);
                String dataType = atts.get(TransactionXMLConstants.DATA_TYPE_ATT);
                if (language != null) {
                    v = valueFactory.createLiteral(value, language);
                } else if (dataType != null) {
                    v = valueFactory.createLiteral(value, valueFactory.createIRI(dataType));
                } else {
                    v = valueFactory.createLiteral(value);
                }
            }
            bindings.add(new SimpleBinding(name, v));
        }
    }
}