/** * Transform the KiWiNode node into the datatype T. In case the node cannot be transformed to * the respective datatype, throws an IllegalArgumentException that needs to be caught by the class * carrying out the transformation. * * * @param backend * @param node * @return */ @Override public String transform(RDFBackend<Node> backend, Node node, Map<String, String> configuration) throws IllegalArgumentException { return backend.stringValue(node); } }
/** * Transform the KiWiNode node into the datatype T. In case the node cannot be transformed to * the respective datatype, throws an IllegalArgumentException that needs to be caught by the class * carrying out the transformation. * * * @param backend * @param node * @return */ @Override public String transform(RDFBackend<Node> backend, Node node, Map<String, String> configuration) throws IllegalArgumentException { return backend.stringValue(node); } }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { Preconditions.checkArgument(args.length == 1, "Check usage: " + getSignature()); LinkedList<Node> result = new LinkedList<>(); for (Node node : args[0]) { final String stringValue = backend.stringValue(node); final int c = stringValue.length(); result.add(backend.createLiteral(String.valueOf(c), null, dataType)); } return result; }
@Override public Duration transform(RDFBackend<Node> backend, Node node, Map<String, String> configuration) throws IllegalArgumentException { if(backend.isLiteral(node)) { return toDuration(backend.stringValue(node), false); } else { throw new IllegalArgumentException("cannot transform node of type "+ node.getClass().getCanonicalName()+" to byte"); } }
@Override public Duration transform(RDFBackend<Node> backend, Node node, Map<String, String> configuration) throws IllegalArgumentException { if(backend.isLiteral(node)) { return toDuration(backend.stringValue(node), false); } else { throw new IllegalArgumentException("cannot transform node of type "+ node.getClass().getCanonicalName()+" to byte"); } }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { Preconditions.checkArgument(args.length == 1, "Check usage: " + getSignature()); LinkedList<Node> result = new LinkedList<>(); for (Node node : args[0]) { final String stringValue = backend.stringValue(node); boolean isWordChar = false; int c = 0; for (int i = 0; i < stringValue.length(); i++) { final boolean isWC = Character.isLetterOrDigit(stringValue.codePointAt(i)); if (!isWordChar && isWC) { c++; } isWordChar = isWC; } result.add(backend.createLiteral(String.valueOf(c), null, dataType)); } return result; }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { try { if (args.length != 2) { throw new IllegalArgumentException("LdPath function " + getLocalName() + " requires 2 arguments"); } if (args[1].size() != 1) { throw new IllegalArgumentException("len argument must be a single literal for function " + getLocalName()); } final Collection<Node> nodes = args[0]; final int length = Math.max(backend.intValue(args[1].iterator().next()), 0); final Collection<Node> result = new LinkedList<>(); for (Node node : nodes) { final String str = backend.stringValue(node); result.add(backend.createLiteral(str.substring(Math.max(0, str.length() - length)))); } return result; } catch (NumberFormatException | ArithmeticException nfe) { throw new IllegalArgumentException(nfe); } }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { try { if (args.length != 2) { throw new IllegalArgumentException("LdPath function " + getLocalName() + " requires 2 arguments"); } if (args[1].size() != 1) { throw new IllegalArgumentException("len argument must be a single literal for function " + getLocalName()); } final Collection<Node> nodes = args[0]; final int length = Math.max(backend.intValue(args[1].iterator().next()), 0); final Collection<Node> result = new LinkedList<>(); for (Node node : nodes) { final String str = backend.stringValue(node); result.add(backend.createLiteral(str.substring(0, Math.min(length, str.length())))); } return result; } catch (NumberFormatException | ArithmeticException nfe) { throw new IllegalArgumentException(nfe); } }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { if ((args.length < 2 || args.length > 4)) { throw new IllegalArgumentException("wrong usage: " + getSignature()); } if (args[1].size() != 1 || (args.length > 2 && args[2].size() != 1) || (args.length > 3 && args[3].size() != 1)) { throw new IllegalArgumentException("wrong usage: " + getSignature()); } Collection<Node> nodes = args[0]; String join = transformer.transform(backend, args[1].iterator().next(), null); String prefix = args.length > 2 ? transformer.transform(backend, args[2].iterator().next(), null):""; String suffix = args.length > 3 ? transformer.transform(backend, args[3].iterator().next(), null):""; final StringBuilder sb = new StringBuilder(prefix); boolean first = true; for (final Node node : nodes) { final String string = backend.stringValue(node); if (!first) sb.append(join); sb.append(string); first = false; } sb.append(suffix); return Collections.singleton(backend.createLiteral(sb.toString())); }
@Override public T transform(RDFBackend<Object> backend, Object node, Map<String, String> configuration) throws IllegalArgumentException { T value = vc.convert(node, vf); if(value == null){ value = vc.convert(backend.stringValue(node), vf); } if(value == null){ throw new IllegalArgumentException("Unable to transform node '"+ node+"' to data type '"+vc.getDataType()+"'!"); } else { return value; } }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { try { if (args.length < 2 || args.length > 3) { throw new IllegalArgumentException("LdPath function " + getLocalName() + " requires 2 or 3 arguments"); } if (args[1].size() != 1) { throw new IllegalArgumentException("start argument must be a single literal for function " + getLocalName()); } if (args.length > 2 && args[2].size() != 1) { throw new IllegalArgumentException("end argument must be a single literal for function " + getLocalName()); } final Collection<Node> nodes = args[0]; final int start = Math.max(backend.intValue(args[1].iterator().next()), 0); final int end; if (args.length > 2) { end = Math.max(backend.intValue(args[2].iterator().next()), 0); } else { end = Integer.MAX_VALUE; } if (end < start) { throw new IllegalArgumentException(getLocalName() + " does not allow end beeing smaller than start (end:" + end + " < start:" + start + ")"); } final Collection<Node> result = new LinkedList<>(); for (Node node : nodes) { final String str = backend.stringValue(node); result.add(backend.createLiteral(str.substring(Math.min(start, str.length()), Math.min(end, str.length())))); } return result; } catch (NumberFormatException | ArithmeticException nfe) { throw new IllegalArgumentException(nfe); } }
@SafeVarargs @Override public final Collection<Node> apply(RDFBackend<Node> backend, Node context, Collection<Node>... args) throws IllegalArgumentException { if (args.length != 3 || args[1].size() != 1 || args[2].size() != 1) { throw new IllegalArgumentException("wrong usage: " + getSignature()); } Collection<Node> nodes = args[0]; String regex = transformer.transform(backend, args[1].iterator().next(), null); String replace = transformer.transform(backend, args[2].iterator().next(), null); try { final Pattern pattern = Pattern.compile(regex); Set<Node> result = new HashSet<>(); for (Node node : nodes) { final String string = backend.stringValue(node); final String replaced = pattern.matcher(string).replaceAll(replace); if (backend.isURI(node)) { result.add(backend.createURI(replaced)); } else if (backend.isLiteral(node)) { final Locale lang = backend.getLiteralLanguage(node); final URI type = backend.getLiteralType(node); result.add(backend.createLiteral(replaced, lang, type)); } } return result; } catch (PatternSyntaxException pex) { throw new IllegalArgumentException("could not parse regex pattern: '" + regex + "'", pex); } catch (IndexOutOfBoundsException iobex) { throw new IllegalArgumentException("invalid replacement string: '" + replace + "'"); } }
final Document jsoup = Jsoup.parse(string); if (rdfBackend.isURI(context)) { jsoup.setBaseUri(rdfBackend.stringValue(context));
final Document jsoup = Jsoup.parse(string); if (rdfBackend.isURI(context)) { jsoup.setBaseUri(rdfBackend.stringValue(context));
final Document jsoup = Jsoup.parse(string); if (rdfBackend.isURI(context)) { jsoup.setBaseUri(rdfBackend.stringValue(context));
result.addReference(entry.getKey(), backend.stringValue(value)); } else if(backend.isLiteral(value)){ //literal Locale locale = backend.getLiteralLanguage(value); if(locale != null){ //text with language String lang = locale.getLanguage(); result.addNaturalText(entry.getKey(), backend.stringValue(value), lang.isEmpty() ? null : lang); } else { // no language } catch (RuntimeException e) { log.info("Unable to transform {} to dataType {} -> will use lexical form",value,type); result.add(entry.getKey(),backend.stringValue(value)); result.add(entry.getKey(),backend.stringValue(value)); result.addNaturalText(entry.getKey(), backend.stringValue(value));
result.addReference(entry.getKey(), backend.stringValue(value)); } else if(backend.isLiteral(value)){ //literal Locale locale = backend.getLiteralLanguage(value); if(locale != null){ //text with language String lang = locale.getLanguage(); result.addNaturalText(entry.getKey(), backend.stringValue(value), lang.isEmpty() ? null : lang); } else { // no language } catch (RuntimeException e) { log.info("Unable to transform {} to dataType {} -> will use lexical form",value,type); result.add(entry.getKey(),backend.stringValue(value)); result.add(entry.getKey(),backend.stringValue(value)); result.addNaturalText(entry.getKey(), backend.stringValue(value));