Example usage for org.dom4j.io SAXReader setValidation

List of usage examples for org.dom4j.io SAXReader setValidation

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Introduction

In this page you can find the example usage for org.dom4j.io SAXReader setValidation.

Prototype

public void setValidation(boolean validation)

Source Link

Document

Sets the validation mode.

Usage

From source file:de.ingrid.portal.interfaces.impl.WMSInterfaceImpl.java

License:EUPL

/**
 * @see de.ingrid.portal.interfaces.WMSInterface#getWMSServices(java.lang.String)
 *///from  w w w  .  j  av a 2 s . co  m
public Collection getWMSServices(String sessionID) {
    URL url;
    SAXReader reader = new SAXReader(false);
    ArrayList result = new ArrayList();

    try {

        // workaround for wrong dtd location

        EntityResolver resolver = new EntityResolver() {
            public InputSource resolveEntity(String publicId, String systemId) {
                if (systemId.indexOf("portalCommunication.dtd") > 0) {

                    InputStream in = getClass().getResourceAsStream("wms_interface.dtd");

                    return new InputSource(in);
                }
                return null;
            }
        };
        reader.setEntityResolver(resolver);

        // END workaround for wrong dtd location

        url = new URL(config
                .getString("interface_url", "http://localhost/mapbender/php/mod_portalCommunication_gt.php")
                .concat("?PREQUEST=getWMSServices").concat("&PHPSESSID=" + sessionID));

        reader.setValidation(false);
        Document document = reader.read(url);

        // check for valid server response
        if (document.selectSingleNode("//portal_communication") == null) {
            throw new Exception("WMS Server Response is not valid!");
        }
        // check for valid server response
        String error = document.valueOf("//portal_communication/error");
        if (error != null && error.length() > 0) {
            throw new Exception("WMS Server Error: " + error);
        }
        // get the wms services
        List nodes = document.selectNodes("//portal_communication/wms_services/wms");
        String serviceURL = null;
        for (Iterator i = nodes.iterator(); i.hasNext();) {
            Node node = (Node) i.next();
            serviceURL = node.valueOf("url");
            if (mapBenderVersion.equals(MAPBENDER_VERSION_2_1)) {
                serviceURL = serviceURL.replace(',', '&');
            }
            WMSServiceDescriptor wmsServiceDescriptor = new WMSServiceDescriptor(node.valueOf("name"),
                    serviceURL);
            result.add(wmsServiceDescriptor);
        }

        return result;

    } catch (Exception e) {
        log.error(e.toString());
    }

    return null;
}

From source file:de.ingrid.portal.interfaces.impl.WMSInterfaceImpl.java

License:EUPL

/**
 * @see de.ingrid.portal.interfaces.WMSInterface#getWMSSearchParameter(java.lang.String)
 */// w w w.j  ava 2s  .  c  o  m
public WMSSearchDescriptor getWMSSearchParameter(String sessionID) {
    URL url;
    SAXReader reader = new SAXReader(false);

    try {

        // workaround for wrong dtd location

        EntityResolver resolver = new EntityResolver() {
            public InputSource resolveEntity(String publicId, String systemId) {
                if (systemId.indexOf("portalCommunication.dtd") > 0) {

                    InputStream in = getClass().getResourceAsStream("wms_interface.dtd");

                    return new InputSource(in);
                }
                return null;
            }
        };
        reader.setEntityResolver(resolver);

        // END workaround for wrong dtd location

        String urlStr = config.getString("interface_url",
                "http://localhost/mapbender/php/mod_portalCommunication_gt.php");

        if (urlStr.indexOf("?") > 0) {
            urlStr = urlStr.concat("&PREQUEST=getWMSSearch").concat("&PHPSESSID=" + sessionID);
        } else {
            urlStr = urlStr.concat("?PREQUEST=getWMSSearch").concat("&PHPSESSID=" + sessionID);
        }

        url = new URL(urlStr);

        reader.setValidation(false);
        Document document = reader.read(url);

        // check for valid server response
        if (document.selectSingleNode("//portal_communication") == null) {
            throw new Exception("WMS Server Response is not valid!");
        }
        // check for valid server response
        String error = document.valueOf("//portal_communication/error");
        if (error != null && error.length() > 0) {
            throw new Exception("WMS Server Error: " + error);
        }

        // get search type
        String searchType = document.valueOf("//portal_communication/search/@type");
        if (searchType == null
                || (!searchType.equalsIgnoreCase("bbox") && !searchType.equalsIgnoreCase("gkz"))) {
            throw new Exception("WMS Interface: unsupported search type (" + searchType + ")");
        }

        WMSSearchDescriptor wmsSearchDescriptor = new WMSSearchDescriptor();
        if (searchType.equalsIgnoreCase("bbox")) {
            wmsSearchDescriptor.setType(WMSSearchDescriptor.WMS_SEARCH_BBOX);
            wmsSearchDescriptor
                    .setTypeOfCoordinates(document.valueOf("//portal_communication/search/bbox/@cootype"));
            wmsSearchDescriptor
                    .setMinX(Double.parseDouble(document.valueOf("//portal_communication/search/bbox/minx")));
            wmsSearchDescriptor
                    .setMinY(Double.parseDouble(document.valueOf("//portal_communication/search/bbox/miny")));
            wmsSearchDescriptor
                    .setMaxX(Double.parseDouble(document.valueOf("//portal_communication/search/bbox/maxx")));
            wmsSearchDescriptor
                    .setMaxY(Double.parseDouble(document.valueOf("//portal_communication/search/bbox/maxy")));
        } else if (searchType.equalsIgnoreCase("gkz")) {
            wmsSearchDescriptor.setType(WMSSearchDescriptor.WMS_SEARCH_COMMUNITY_CODE);
            wmsSearchDescriptor.setCommunityCode(document.valueOf("//portal_communication/search/gkz"));
        }

        return wmsSearchDescriptor;

    } catch (Exception e) {
        log.error(e.toString());
    }

    return null;
}

From source file:de.innovationgate.webgate.api.auth.FileAuthenticationModule.java

License:Open Source License

/**
 * @param _file//w  w w . j  a  va 2  s  . com
 */
private synchronized void update(File _file) {

    try {
        // Parse doc
        SAXReader reader = new SAXReader();
        reader.setIncludeExternalDTDDeclarations(false);
        reader.setIncludeInternalDTDDeclarations(false);
        reader.setValidation(false);
        Document doc = reader.read(_file);

        // Flags
        _allowAnonymous = Boolean.valueOf(doc.getRootElement().attributeValue("allowanonymous")).booleanValue();

        // Read users
        Map users = new HashMap();
        Iterator userNodes = doc.selectNodes("/users/user").iterator();
        Element userNode;
        while (userNodes.hasNext()) {
            userNode = (Element) userNodes.next();
            String name = userNode.attributeValue("name");
            String password = userNode.attributeValue("password");
            String mail = userNode.attributeValue("mail");
            String aliasesStr = userNode.attributeValue("aliases");
            Set aliases = new HashSet();
            if (aliasesStr != null) {
                aliases.addAll(WGUtils.deserializeCollection(aliasesStr, ",", true));
            }
            users.put(name, new User(name, password, mail, aliases));
        }
        _users = users;

        // Read Groups
        Map groups = new HashMap();
        Iterator groupNodes = doc.selectNodes("/users/group").iterator();
        Element groupNode;
        while (groupNodes.hasNext()) {
            groupNode = (Element) groupNodes.next();
            String name = groupNode.attributeValue("name");
            List members = WGUtils.deserializeCollection(groupNode.attributeValue("members"), ",", true);
            Group group = new Group(name, members);
            groups.put(name, group);
            notifyMembers(group);
        }

        // Call listeners
        synchronized (_authenticationSourceListeners) {
            Iterator listeners = _authenticationSourceListeners.iterator();
            while (listeners.hasNext()) {
                ((AuthenticationSourceListener) listeners.next()).authenticationDataChanged();
            }
        }
    } catch (DocumentException e) {
        WGFactory.getLogger().error("Error parsing authentication file '" + getAuthenticationSource()
                + "': Error in XML: " + e.getMessage());
    }
}

From source file:edu.ku.brc.af.core.db.DBTableIdMgr.java

License:Open Source License

/**
 * Reads in datamodel input file and populates the Hashtable of the DBTableMgr with DBTableInfo
 * @param inputFile the input file.//from   w w  w  .  j ava 2s.  co  m
 */
public void initialize(final File inputFile) {
    log.debug(
            "Reading in datamodel file: " + inputFile.getAbsolutePath() + " to create and populate DBTableMgr"); //$NON-NLS-1$ //$NON-NLS-2$
    String classname = null;
    try {
        SAXReader reader = new SAXReader();
        reader.setValidation(false);

        Element databaseNode = XMLHelper.readFileToDOM4J(inputFile);

        if (databaseNode != null) {
            for (Iterator<?> i = databaseNode.elementIterator("table"); i.hasNext();) //$NON-NLS-1$
            {
                Element tableNode = (Element) i.next();
                classname = tableNode.attributeValue("classname"); //$NON-NLS-1$

                String tablename = tableNode.attributeValue("table"); //$NON-NLS-1$
                int tableId = Integer.parseInt(tableNode.attributeValue("tableid")); //$NON-NLS-1$
                boolean isSearchable = XMLHelper.getAttr(tableNode, "searchable", false); //$NON-NLS-1$

                String primaryKeyField = null;

                // iterate through child elements of id nodes, there should only be 1
                for (Iterator<?> i2 = tableNode.elementIterator("id"); i2.hasNext();) //$NON-NLS-1$
                {
                    Element idNode = (Element) i2.next();
                    primaryKeyField = idNode.attributeValue("name"); //$NON-NLS-1$
                }

                if (classname == null) {
                    log.error("classname is null; check input file"); //$NON-NLS-1$
                }
                if (tablename == null) {
                    log.error("tablename is null; check input file"); //$NON-NLS-1$
                }
                if (isFullSchema && primaryKeyField == null) {
                    log.error("primaryKeyField is null; check input file table[" + tablename + "]"); //$NON-NLS-1$ //$NON-NLS-2$
                }
                //log.debug("Populating hashtable ID["+tableId+"]for class: " + classname+" "+ inputFile.getName());

                DBTableInfo tblInfo = new DBTableInfo(tableId, classname, tablename, primaryKeyField,
                        tableNode.attributeValue("abbrv")); //$NON-NLS-1$
                tblInfo.setSearchable(isSearchable);
                tblInfo.setBusinessRuleName(XMLHelper.getAttr(tableNode, "businessrule", null)); //$NON-NLS-1$

                if (hash.get(tableId) != null) {
                    log.error("Table ID used twice[" + tableId + "]"); //$NON-NLS-1$ //$NON-NLS-2$
                }
                hash.put(tableId, tblInfo);
                byClassNameHash.put(classname.toLowerCase(), tblInfo);
                byShortClassNameHash.put(tblInfo.getShortClassName().toLowerCase(), tblInfo);
                tables.add(tblInfo);

                Element idElement = (Element) tableNode.selectSingleNode("id"); //$NON-NLS-1$
                if (idElement != null) {
                    tblInfo.setIdColumnName(getAttr(idElement, "column", null)); //$NON-NLS-1$
                    tblInfo.setIdFieldName(getAttr(idElement, "name", null)); //$NON-NLS-1$
                    tblInfo.setIdType(getAttr(idElement, "type", null)); //$NON-NLS-1$
                }

                for (Iterator<?> ir = tableNode.elementIterator("tableindex"); ir.hasNext();) //$NON-NLS-1$
                {
                    Element irNode = (Element) ir.next();
                    String inxName = getAttr(irNode, "indexName", null);
                    String inxColNames = getAttr(irNode, "columnNames", null);
                    tblInfo.addTableIndex(inxName, inxColNames);
                }

                Element displayElement = (Element) tableNode.selectSingleNode("display"); //$NON-NLS-1$
                if (displayElement != null) {
                    tblInfo.setDefaultFormName(getAttr(displayElement, "view", null)); //$NON-NLS-1$
                    tblInfo.setUiFormatter(getAttr(displayElement, "uiformatter", null)); //$NON-NLS-1$
                    tblInfo.setDataObjFormatter(getAttr(displayElement, "dataobjformatter", null)); //$NON-NLS-1$
                    tblInfo.setSearchDialog(getAttr(displayElement, "searchdlg", null)); //$NON-NLS-1$
                    tblInfo.setNewObjDialog(getAttr(displayElement, "newobjdlg", null)); //$NON-NLS-1$

                } else {
                    tblInfo.setDefaultFormName(""); //$NON-NLS-1$
                    tblInfo.setUiFormatter(""); //$NON-NLS-1$
                    tblInfo.setDataObjFormatter(""); //$NON-NLS-1$
                    tblInfo.setSearchDialog(""); //$NON-NLS-1$
                    tblInfo.setNewObjDialog(""); //$NON-NLS-1$
                }

                for (Iterator<?> ir = tableNode.elementIterator("relationship"); ir.hasNext();) //$NON-NLS-1$
                {
                    Element irNode = (Element) ir.next();
                    DBRelationshipInfo tblRel = new DBRelationshipInfo(
                            irNode.attributeValue("relationshipname"), //$NON-NLS-1$
                            getRelationshipType(irNode.attributeValue("type")), //$NON-NLS-1$
                            irNode.attributeValue("classname"), //$NON-NLS-1$
                            irNode.attributeValue("columnname"), //$NON-NLS-1$
                            irNode.attributeValue("othersidename"), //$NON-NLS-1$
                            irNode.attributeValue("jointable"), //$NON-NLS-1$
                            getAttr(irNode, "required", false), //$NON-NLS-1$
                            getAttr(irNode, "updatable", false), //$NON-NLS-1$
                            getAttr(irNode, "save", false), //$NON-NLS-1$
                            getAttr(irNode, "likemanytoone", false)); //$NON-NLS-1$
                    tblInfo.getRelationships().add(tblRel);
                }

                for (Iterator<?> ir = tableNode.elementIterator("field"); ir.hasNext();) //$NON-NLS-1$
                {
                    Element irNode = (Element) ir.next();

                    int len = -1;
                    String lenStr = irNode.attributeValue("length"); //$NON-NLS-1$
                    if (StringUtils.isNotEmpty(lenStr) && StringUtils.isNumeric(lenStr)) {
                        len = Integer.parseInt(lenStr);
                        //                            if (!UIRegistry.isMobile() && len > 256) // length over 255 are memo/text fields in MySQL and do not need to be constrained
                        //                            {
                        //                                len = 32767;
                        //                            }
                    }
                    DBFieldInfo fieldInfo = new DBFieldInfo(tblInfo, irNode.attributeValue("column"), //$NON-NLS-1$
                            irNode.attributeValue("name"), //$NON-NLS-1$
                            irNode.attributeValue("type"), //$NON-NLS-1$
                            len, getAttr(irNode, "required", false), //$NON-NLS-1$
                            getAttr(irNode, "updatable", false), //$NON-NLS-1$
                            getAttr(irNode, "unique", false), //$NON-NLS-1$
                            getAttr(irNode, "indexed", false), //$NON-NLS-1$
                            getAttr(irNode, "partialDate", false), //$NON-NLS-1$
                            getAttr(irNode, "datePrecisionName", null)); //$NON-NLS-1$
                    // This done to cache the original setting.
                    fieldInfo.setRequiredInSchema(fieldInfo.isRequired());
                    tblInfo.addField(fieldInfo);
                }

                for (Iterator<?> faIter = tableNode.elementIterator("fieldalias"); faIter.hasNext();) //$NON-NLS-1$
                {
                    Element faNode = (Element) faIter.next();
                    String vName = getAttr(faNode, "vname", null);//$NON-NLS-1$
                    String aName = getAttr(faNode, "aname", null);//$NON-NLS-1$
                    if (vName != null && aName != null) {
                        tblInfo.addFieldAlias(vName, aName);
                    }
                }

                //Collections.sort(tblInfo.getFields());
            }
        } else {
            log.error("Reading in datamodel file.  SAX parser got null for the root of the document."); //$NON-NLS-1$
        }

    } catch (java.lang.NumberFormatException numEx) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(DBTableIdMgr.class, numEx);
        log.error("Specify datamodel input file: " + inputFile.getAbsolutePath() //$NON-NLS-1$
                + " failed to provide valid table id for class/table:" + classname); //$NON-NLS-1$
        log.error(numEx);
    } catch (Exception ex) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(DBTableIdMgr.class, ex);
        log.error(ex);
        ex.printStackTrace();
    }
    Collections.sort(tables);
    log.debug("Done Reading in datamodel file: " + inputFile.getAbsolutePath()); //$NON-NLS-1$
}

From source file:edu.ku.brc.helpers.XMLHelper.java

License:Open Source License

/**
 * Reads a DOM from a stream/* w  w  w .  jav a  2  s.  c  o  m*/
 * @param fileinputStream the stream to be read
 * @return the root element of the DOM
 */
public static org.dom4j.Element readFileToDOM4J(final FileInputStream fileinputStream) throws Exception {
    SAXReader saxReader = new SAXReader();

    saxReader.setValidation(false);
    saxReader.setStripWhitespaceText(true);

    saxReader.setFeature("http://xml.org/sax/features/namespaces", false);
    saxReader.getXMLReader().setFeature("http://xml.org/sax/features/namespaces", false);

    //saxReader.setFeature("http://apache.org/xml/features/validation/schema", false);
    //saxReader.setFeature("http://xml.org/sax/features/validation", false);
    //saxReader.setProperty("http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation",
    //                   (FormViewFactory.class.getResource("../form.xsd")).getPath());

    org.dom4j.Document document = saxReader.read(fileinputStream);
    return document.getRootElement();
}

From source file:edu.ku.brc.helpers.XMLHelper.java

License:Open Source License

public static org.dom4j.Element readStrToDOM4J(final String data) throws Exception {
    SAXReader saxReader = new SAXReader();

    saxReader.setValidation(false);
    saxReader.setStripWhitespaceText(true);
    saxReader.setFeature("http://xml.org/sax/features/namespaces", false);
    saxReader.getXMLReader().setFeature("http://xml.org/sax/features/namespaces", false);

    //saxReader.setFeature("http://apache.org/xml/features/validation/schema", false);
    //saxReader.setFeature("http://xml.org/sax/features/validation", false);
    //saxReader.setProperty("http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation",
    //                   (FormViewFactory.class.getResource("../form.xsd")).getPath());

    org.dom4j.Document document = saxReader.read(new StringReader(data));
    return document.getRootElement();
}

From source file:edu.ku.brc.specify.tools.AppendHelp.java

License:Open Source License

/**
 * Reads a DOM from a stream//from w w  w.  jav  a  2  s.  co  m
 * @param fileinputStream the stream to be read
 * @return the root element of the DOM
 */
public Element readFileToDOM4J(final File file) throws IOException, DocumentException {
    SAXReader saxReader = new SAXReader();

    try {
        saxReader.setValidation(false);
        saxReader.setStripWhitespaceText(true);
        //saxReader.setIncludeExternalDTDDeclarations(false);
        //saxReader.setIncludeInternalDTDDeclarations(false);
        saxReader.setIgnoreComments(true);
        //saxReader.setXMLFilter(new TransparentFilter(saxReader.getXMLReader()));

        EntityResolver entityResolver = new EntityResolver() {
            public InputSource resolveEntity(String publicId, String systemId) {
                return new InputSource("");
            }
        };
        saxReader.setEntityResolver(entityResolver);

        //saxReader.getXMLFilter().setDTDHandler(null);

    } catch (Exception ex) {
        ex.printStackTrace();
    }

    org.dom4j.Document document = saxReader.read(new FileInputStream(file));
    return document.getRootElement();
}

From source file:edu.ku.brc.specify.tools.datamodelgenerator.DatamodelGenerator.java

License:Open Source License

/**
 * Reads in file that provides listing of tables with their respective Id's and default views.
 * @return boolean true if reading of tableId file was successful.
 *//*from  w w w .  jav a2 s.  com*/
private boolean readTableMetadataFromFile(final String tableIdListingFilePath) {
    Hashtable<String, Boolean> abbrvHashLocal = new Hashtable<String, Boolean>();

    log.info("Preparing to read in Table and TableID listing from file: " + tableIdListingFilePath);
    try {
        File tableIdFile = new File(tableIdListingFilePath);
        FileInputStream fileInputStream = new FileInputStream(tableIdFile);
        SAXReader reader = new SAXReader();
        reader.setValidation(false);
        org.dom4j.Document doc = reader.read(fileInputStream);
        Element root = doc.getRootElement();
        Element dbNode = (Element) root.selectSingleNode("database");
        if (dbNode != null) {
            for (Iterator<?> i = dbNode.elementIterator("table"); i.hasNext();) {
                Element element = (Element) i.next();
                String tablename = element.attributeValue("name");
                String defaultView = element.attributeValue("view");
                String id = element.attributeValue("id");
                String abbrv = XMLHelper.getAttr(element, "abbrev", null);
                boolean isSearchable = XMLHelper.getAttr(element, "searchable", false);

                if (StringUtils.isNotEmpty(abbrv)) {
                    if (abbrvHashLocal.get(abbrv) == null) {
                        abbrvHashLocal.put(abbrv, true);
                    } else {
                        throw new RuntimeException(
                                "`abbrev` [" + abbrv + "]  or table[" + tablename + "] ids already in use.");
                    }

                } else {
                    throw new RuntimeException("`abbrev` is missing or empty for table[" + tablename + "]");
                }

                String busRule = "";
                Element brElement = (Element) element.selectSingleNode("businessrule");
                if (brElement != null) {
                    busRule = brElement.getTextTrim();
                }
                //log.debug("Creating TableMetaData and putting in tblMetaDataHashtable for name: " + tablename + " id: " + id + " defaultview: " + defaultView);

                TableMetaData tblMetaData = new TableMetaData(id, defaultView, createDisplay(element),
                        createFieldAliases(element), isSearchable, busRule, abbrv);
                tblMetaDataHash.put(tablename, tblMetaData);

                for (Iterator<?> ir = element.elementIterator("relationship"); ir.hasNext();) {
                    Element relElement = (Element) ir.next();
                    String relName = relElement.attributeValue("relationshipname");
                    boolean isLike = XMLHelper.getAttr(relElement, "likemanytoone", false);
                    tblMetaData.setIsLikeManyToOne(relName, isLike);
                }

            }

        } else {
            log.debug("Ill-formatted file for reading in Table and TableID listing.  Filename:"
                    + tableIdFile.getAbsolutePath());
        }
        fileInputStream.close();
        return true;

    } catch (Exception ex) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(DatamodelGenerator.class, ex);
        ex.printStackTrace();
        log.fatal(ex);
    }
    return false;

}

From source file:edu.ku.brc.specify.toycode.L18NStringResApp.java

License:Open Source License

/**
 * Reads a DOM from a stream//from   ww w.jav  a 2s . c o m
 * @param fileinputStream the stream to be read
 * @return the root element of the DOM
 */
public static org.dom4j.Document readFileToDOM4J(final FileInputStream fileinputStream) throws Exception {
    SAXReader saxReader = new SAXReader();

    saxReader.setValidation(false);
    saxReader.setStripWhitespaceText(true);

    saxReader.setFeature("http://xml.org/sax/features/namespaces", false);
    saxReader.getXMLReader().setFeature("http://xml.org/sax/features/namespaces", false);

    //saxReader.setFeature("http://apache.org/xml/features/validation/schema", false);
    //saxReader.setFeature("http://xml.org/sax/features/validation", false);
    //saxReader.setProperty("http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation",
    //                   (FormViewFactory.class.getResource("../form.xsd")).getPath());

    return saxReader.read(fileinputStream);
}

From source file:eu.scape_project.planning.services.taverna.parser.T2FlowParser.java

License:Apache License

/**
 * Initialises the parser by reading the the t2flow from the input stream
 * and parsing it./* ww w .jav a2  s .  co  m*/
 * 
 * @param t2flow
 *            the t2flow
 * @throws TavernaParserException
 *             if the parser could not be initialized
 */
protected void initialise(InputStream t2flow) throws TavernaParserException {

    log.debug("Parsing inputstream");

    T2FLOW_NAMESPACE_MAP.put("t2f", "http://taverna.sf.net/2008/xml/t2flow");

    ValidatingParserFactory vpf = new ValidatingParserFactory();
    try {
        SAXParser parser = vpf.getValidatingParser();
        parser.setProperty(ValidatingParserFactory.JAXP_SCHEMA_SOURCE, ProjectImporter.TAVERNA_SCHEMA_URI);

        SAXReader reader = new SAXReader(parser.getXMLReader());
        reader.setValidation(false);

        SchemaResolver schemaResolver = new SchemaResolver();
        schemaResolver.addSchemaLocation(ProjectImporter.TAVERNA_SCHEMA_URI,
                SCHEMA_LOCATION + ProjectImporter.TAVERNA_SCHEMA);
        reader.setEntityResolver(schemaResolver);

        doc = reader.read(t2flow);
    } catch (DocumentException e) {
        log.error("Error initialising T2FlowParser: {}", e.getMessage());
        throw new TavernaParserException("Error parsing workflow.", e);
    } catch (ParserConfigurationException e) {
        log.error("Error initialising T2FlowParser: {}", e.getMessage());
        throw new TavernaParserException("Error parsing workflow.", e);
    } catch (SAXException e) {
        log.error("Error initialising T2FlowParser: {}", e.getMessage());
        throw new TavernaParserException("Error parsing workflow.", e);
    }
}