Examples with XPathException org.exist.xquery.XPathException used on opensource projects

Example 31 with XPathException

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

the class EXistResult method add.

@Override
public void add(final InputStream is) throws HttpClientException {
    try {
        // we have to make a temporary copy of the data stream, as the socket will be closed shortly
        final TemporaryFileManager temporaryFileManager = TemporaryFileManager.getInstance();
        final Path tempFile = temporaryFileManager.getTemporaryFile();
        Files.copy(is, tempFile, StandardCopyOption.REPLACE_EXISTING);
        result.add(BinaryValueFromFile.getInstance(context, new Base64BinaryValueType(), tempFile, (isClosed, file) -> temporaryFileManager.returnTemporaryFile(file)));
    } catch (final XPathException | IOException xpe) {
        throw new HttpClientException("Unable to add binary value to result:" + xpe.getMessage(), xpe);
    } finally {
        try {
            is.close();
        } catch (final IOException ioe) {
            logger.warn(ioe.getMessage(), ioe);
        }
    }
}

Example 32 with XPathException

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

the class EXistResult method add.

@Override
public void add(final HttpResponse response) throws HttpClientException {
    final EXistTreeBuilder builder = new EXistTreeBuilder(context);
    response.outputResponseElement(builder);
    final DocumentImpl doc = builder.close();
    try {
        // we add the root *element* to the result sequence
        final NodeTest kind = new TypeTest(Type.ELEMENT);
        // add the original items after
        if (result.isEmpty()) {
            doc.selectChildren(kind, result);
        } else {
            final ValueSequence newResult = new ValueSequence();
            doc.selectChildren(kind, newResult);
            newResult.addAll(result);
            result = newResult;
        }
    } catch (final XPathException xpe) {
        throw new HttpClientException("Unable to add HttpResponse to result:" + xpe.getMessage(), xpe);
    }
}

Example 33 with XPathException

use of org.exist.xquery.XPathException 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 34 with XPathException

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

the class MessageListFunctions method parseSubjectTerm.

private SearchTerm parseSubjectTerm(Node terms) throws XPathException {
    SearchTerm st = null;
    String pattern = ((Element) terms).getAttribute("pattern");
    if (pattern != null && !pattern.isEmpty()) {
        st = new SubjectTerm(pattern);
    } else {
        throw (new XPathException(this, "Pattern attribute must be specified for term with type: " + ((Element) terms).getAttribute("type")));
    }
    return (st);
}

Example 35 with XPathException

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

the class MessageListFunctions method getMessageList.

// ***************************************************************************
// *
// *    Function Implementation Methods
// *
// ***************************************************************************/
private Sequence getMessageList(Sequence[] args, Sequence contextSequence) throws XPathException {
    Message[] msgList;
    // was a folder handle specified?
    if (args[0].isEmpty()) {
        throw (new XPathException(this, "Folder handle not specified"));
    }
    // get the Folder
    long folderHandle = ((IntegerValue) args[0].itemAt(0)).getLong();
    Folder folder = MailModule.retrieveFolder(context, folderHandle);
    if (folder == null) {
        throw (new XPathException(this, "Invalid Folder handle specified"));
    }
    try {
        msgList = folder.getMessages();
        prefetchMessages(folder, msgList);
    } catch (MessagingException me) {
        throw (new XPathException(this, "Failed to get mail list", me));
    }
    return (new IntegerValue(MailModule.storeMessageList(context, msgList, folderHandle)));
}