Examples with NodeValue org.exist.xquery.value.NodeValue used on opensource projects

Example 6 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class Insert method seq2nodeList.

private NodeList seq2nodeList(Sequence contentSeq) throws XPathException {
    final NodeListImpl nl = new NodeListImpl();
    for (final SequenceIterator i = contentSeq.iterate(); i.hasNext(); ) {
        final Item item = i.nextItem();
        if (Type.subTypeOf(item.getType(), Type.NODE)) {
            final NodeValue val = (NodeValue) item;
            nl.add(val.getNode());
        }
    }
    return nl;
}

Example 7 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class SendRequestFunction method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    Sequence bodies = Sequence.EMPTY_SEQUENCE;
    String href = null;
    NodeValue request = null;
    switch(getArgumentCount()) {
        case 3:
            bodies = args[2];
        case 2:
            {
                Item i = args[1].itemAt(0);
                if (i != null) {
                    href = i.getStringValue();
                }
            }
        case 1:
            request = (NodeValue) args[0].itemAt(0);
            break;
        default:
            return Sequence.EMPTY_SEQUENCE;
    }
    return sendRequest(request, href, bodies);
}

Example 8 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class RegistryFunctions method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    final RestXqServiceRegistry registry = RestXqServiceRegistryManager.getRegistry(getContext().getBroker().getBrokerPool());
    context.pushDocumentContext();
    try {
        return (NodeValue) serializeRestXqServices(getContext().getDocumentBuilder(), registry).getDocumentElement();
    } finally {
        context.popDocumentContext();
    }
}

Example 9 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class ExecuteFunction method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (args.length == 5 || args.length == 6) {
        // was a connection and PL/SQL statement specified?
        if (args[0].isEmpty() || args[1].isEmpty()) {
            return (Sequence.EMPTY_SEQUENCE);
        }
        // get the Connection
        long connectionUID = ((IntegerValue) args[0].itemAt(0)).getLong();
        Connection connection = SQLModule.retrieveConnection(context, connectionUID);
        if (connection == null) {
            return (Sequence.EMPTY_SEQUENCE);
        }
        // get the PL/SQL statement
        String plSql = args[1].getStringValue();
        // get the input parameters (if any)
        Element parameters = null;
        if (!args[2].isEmpty()) {
            parameters = (Element) args[2].itemAt(0);
        }
        // was a result set position specified?
        int resultSetPos = 0;
        if (!args[3].isEmpty()) {
            resultSetPos = ((IntegerValue) args[3].itemAt(0)).getInt();
        }
        boolean haveReturnCode = false;
        // default value of 1 for success
        int plSqlSuccess = 1;
        if (args.length == 6) {
            // a return code is expected so what is the value indicating success?
            plSqlSuccess = ((IntegerValue) args[5].itemAt(0)).getInt();
            haveReturnCode = true;
        }
        CallableStatement statement = null;
        ResultSet resultSet = null;
        try {
            MemTreeBuilder builder = context.getDocumentBuilder();
            int iRow = 0;
            statement = connection.prepareCall(plSql);
            if (haveReturnCode) {
                statement.registerOutParameter(1, Types.NUMERIC);
            }
            if (resultSetPos != 0) {
                statement.registerOutParameter(resultSetPos, OracleTypes.CURSOR);
            }
            if (!args[2].isEmpty()) {
                setParametersOnPreparedStatement(statement, parameters);
            }
            statement.execute();
            if (haveReturnCode) {
                int returnCode = statement.getInt(1);
                if (returnCode != plSqlSuccess) {
                    LOG.error(plSql + " failed [" + returnCode + "]");
                    return (Sequence.EMPTY_SEQUENCE);
                }
            }
            if (resultSetPos != 0) {
                // iterate through the result set building an XML document
                builder.startDocument();
                builder.startElement(new QName("result", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
                builder.addAttribute(new QName("count", null, null), String.valueOf(-1));
                resultSet = (ResultSet) statement.getObject(resultSetPos);
                ResultSetMetaData rsmd = resultSet.getMetaData();
                int iColumns = rsmd.getColumnCount();
                while (resultSet.next()) {
                    builder.startElement(new QName("row", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
                    builder.addAttribute(new QName("index", null, null), String.valueOf(resultSet.getRow()));
                    // get each tuple in the row
                    for (int i = 0; i < iColumns; i++) {
                        String columnName = rsmd.getColumnLabel(i + 1);
                        if (columnName != null) {
                            String colValue = resultSet.getString(i + 1);
                            String colElement = "field";
                            if (((BooleanValue) args[4].itemAt(0)).effectiveBooleanValue() && columnName.length() > 0) {
                                // use column names as the XML node
                                /**
                                 * Spaces in column names are replaced with
                                 * underscore's
                                 */
                                colElement = SQLUtils.escapeXmlAttr(columnName.replace(' ', '_'));
                            }
                            builder.startElement(new QName(colElement, OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
                            if (!((BooleanValue) args[4].itemAt(0)).effectiveBooleanValue() || columnName.length() <= 0) {
                                String name;
                                if (columnName.length() > 0) {
                                    name = SQLUtils.escapeXmlAttr(columnName);
                                } else {
                                    name = "Column: " + String.valueOf(i + 1);
                                }
                                builder.addAttribute(new QName("name", null, null), name);
                            }
                            builder.addAttribute(new QName("type", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), rsmd.getColumnTypeName(i + 1));
                            builder.addAttribute(new QName("type", Namespaces.SCHEMA_NS, "xs"), Type.getTypeName(SQLUtils.sqlTypeToXMLType(rsmd.getColumnType(i + 1))));
                            if (resultSet.wasNull()) {
                                // Add a null indicator attribute if the value was SQL Null
                                builder.addAttribute(new QName("null", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), "true");
                            }
                            if (colValue != null) {
                                builder.characters(SQLUtils.escapeXmlText(colValue));
                            }
                            builder.endElement();
                        }
                    }
                    builder.endElement();
                    iRow++;
                }
                builder.endElement();
                // Change the root element count attribute to have the correct value
                NodeValue node = (NodeValue) builder.getDocument().getDocumentElement();
                Node count = node.getNode().getAttributes().getNamedItem("count");
                if (count != null) {
                    count.setNodeValue(String.valueOf(iRow));
                }
                builder.endDocument();
                // return the XML result set
                return (node);
            } else {
                // there was no result set so just return an empty sequence
                return (Sequence.EMPTY_SEQUENCE);
            }
        } catch (SQLException sqle) {
            LOG.error("oracle:execute() Caught SQLException \"" + sqle.getMessage() + "\" for PL/SQL: \"" + plSql + "\"", sqle);
            // return details about the SQLException
            MemTreeBuilder builder = context.getDocumentBuilder();
            builder.startDocument();
            builder.startElement(new QName("exception", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
            boolean recoverable = false;
            if (sqle instanceof SQLRecoverableException) {
                recoverable = true;
            }
            builder.addAttribute(new QName("recoverable", null, null), String.valueOf(recoverable));
            builder.startElement(new QName("state", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
            String sqlState = sqle.getSQLState();
            if (sqlState != null) {
                builder.characters(sqle.getSQLState());
            } else {
                builder.characters("null");
            }
            builder.endElement();
            builder.startElement(new QName("message", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
            builder.characters(sqle.getMessage());
            builder.endElement();
            builder.startElement(new QName("stack-trace", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
            ByteArrayOutputStream bufStackTrace = new ByteArrayOutputStream();
            sqle.printStackTrace(new PrintStream(bufStackTrace));
            builder.characters(new String(bufStackTrace.toByteArray()));
            builder.endElement();
            builder.startElement(new QName("oracle", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
            builder.characters(SQLUtils.escapeXmlText(plSql));
            builder.endElement();
            int line = getLine();
            int column = getColumn();
            builder.startElement(new QName("xquery", OracleModule.NAMESPACE_URI, OracleModule.PREFIX), null);
            builder.addAttribute(new QName("line", null, null), String.valueOf(line));
            builder.addAttribute(new QName("column", null, null), String.valueOf(column));
            builder.endElement();
            builder.endElement();
            builder.endDocument();
            return (NodeValue) builder.getDocument().getDocumentElement();
        } finally {
            release(connection, statement, resultSet);
        }
    } else {
        throw new XPathException("Invalid number of arguments [" + args.length + "]");
    }
}

Example 10 with NodeValue

use of org.exist.xquery.value.NodeValue in project exist by eXist-db.

the class MailSessionFunctions method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    Properties props = new Properties();
    if (args.length == 1) {
        // try and get the session properties
        props = ParametersExtractor.parseProperties(((NodeValue) args[0].itemAt(0)).getNode());
    }
    Session session = Session.getInstance(props, null);
    return new IntegerValue(MailModule.storeSession(context, session));
}