Examples with XmlElement eu.esdihumboldt.hale.io.xsd.model.XmlElement used on opensource projects

Example 31 with XmlElement

use of eu.esdihumboldt.hale.io.xsd.model.XmlElement in project hale by halestudio.

the class XmlTypeDefinition method getDescription.

@Override
public String getDescription() {
    String desc = super.getDescription();
    if (desc != null && !desc.isEmpty()) {
        return desc;
    }
    // if no description is present, try the description of the associated
    // element
    XmlElements elements = getConstraint(XmlElements.class);
    if (elements.getElements().size() == 1) {
        // only use element description if it's unique
        XmlElement element = elements.getElements().iterator().next();
        return element.getDescription();
    }
    return desc;
}

Example 32 with XmlElement

use of eu.esdihumboldt.hale.io.xsd.model.XmlElement in project hale by halestudio.

the class XsltGenerator method write.

/**
 * Generate the XSLT transformation and write it to the given target.
 *
 * @param target the target output supplier
 * @return the report
 * @throws Exception if a unrecoverable error occurs during the process
 */
public IOReport write(LocatableOutputSupplier<? extends OutputStream> target) throws Exception {
    Template root = ve.getTemplate(Templates.ROOT, "UTF-8");
    VelocityContext context = XslTransformationUtil.createStrictVelocityContext();
    // project info
    context.put("info", ProjectXslInfo.getInfo(projectInfo));
    // collects IDs of type cells
    Set<String> typeIds = new HashSet<String>();
    // type cells
    for (Cell typeCell : alignment.getTypeCells()) {
        if (typeCell.getTransformationMode() != TransformationMode.disabled) {
            // ignore disabled cells
            Entity targetEntity = CellUtil.getFirstEntity(typeCell.getTarget());
            if (targetEntity != null) {
                // assign identifiers for type transformations
                String targetName = targetEntity.getDefinition().getDefinition().getName().getLocalPart();
                String id = cellIdentifiers.getId(typeCell, targetName);
                typeIds.add(id);
            } else {
                reporter.warn(new IOMessageImpl("Ignoring type relation without target type", null));
            }
        }
    }
    // collects IDs of type cells mapped to target element names
    Map<String, QName> targetElements = new HashMap<String, QName>();
    // container
    File container = new File(workDir, "container.xsl");
    progress.setCurrentTask("Generating container");
    generateContainer(typeIds, container, targetElements);
    Set<String> passiveCellIds = new HashSet<String>(typeIds);
    progress.setCurrentTask("Generate type transformations");
    // all active cells templates
    for (Entry<String, QName> entry : targetElements.entrySet()) {
        // generate XSL fragments for type transformations
        String id = entry.getKey();
        QName elementName = entry.getValue();
        Cell typeCell = cellIdentifiers.getObject(id);
        // this is not a passive cell
        passiveCellIds.remove(id);
        XmlElement targetElement = targetSchema.getElements().get(elementName);
        String filename = "_" + id + ".xsl";
        File file = new File(workDir, filename);
        includes.add(filename);
        generateTypeTransformation(id, targetElement, typeCell, file);
    }
    // all passive cell templates
    for (String passiveId : passiveCellIds) {
        Cell typeCell = cellIdentifiers.getObject(passiveId);
        String filename = "_" + passiveId + ".xsl";
        File file = new File(workDir, filename);
        includes.add(filename);
        // XXX dummy target element
        XmlElement targetElement = new XmlElement(new QName(NS_XSL_DEFINITIONS, "dummy"), null, null);
        generateTypeTransformation(passiveId, targetElement, typeCell, file);
        // for passive cells no variables should be created
        typeIds.remove(passiveId);
    }
    // namespaces that occur additionally to the fixed namespaces
    Map<String, String> additionalNamespaces = new HashMap<String, String>(prefixes.asMap());
    for (String fixedPrefix : FIXED_PREFIXES.keySet()) {
        additionalNamespaces.remove(fixedPrefix);
    }
    context.put("additionalNamespaces", additionalNamespaces);
    // types cells
    /*
		 * The type identifiers are used as variable name to store the result of
		 * the equally named template.
		 */
    context.put("targets", typeIds);
    // includes
    // TODO check if files to include are actually there?
    context.put("includes", includes);
    OutputStream out = target.getOutput();
    XMLPrettyPrinter printer = new XMLPrettyPrinter(out);
    Future<?> ready = printer.start();
    Writer writer = new OutputStreamWriter(printer, "UTF-8");
    try {
        root.merge(context, writer);
        writer.flush();
    } finally {
        writer.close();
        ready.get();
        out.close();
    }
    reporter.setSuccess(reporter.getErrors().isEmpty());
    return reporter;
}

Example 33 with XmlElement

use of eu.esdihumboldt.hale.io.xsd.model.XmlElement in project hale by halestudio.

the class XslTransformationUtil method selectInstances.

/**
 * Create a XPath statement to select instances specified by the given type
 * entity definition.
 *
 * @param ted the type entity definition
 * @param context the context for the XPath expression, e.g. the empty
 *            string for the document root or <code>/</code> for anywhere in
 *            the document
 * @param namespaces the namespace context
 * @return the XPath expression or <code>null</code> if there are no
 *         elements that match the type
 */
public static String selectInstances(TypeEntityDefinition ted, String context, NamespaceContext namespaces) {
    TypeDefinition type = ted.getDefinition();
    // get the XML elements associated to the type
    XmlElements elements = type.getConstraint(XmlElements.class);
    if (elements.getElements().isEmpty()) {
        /*
			 * XXX dirty hack
			 * 
			 * In CityGML 1.0 no element for AppearanceType is defined, only a
			 * property that is not detected in this way. The source route
			 * element is not known here, so we also cannot do a search based on
			 * the type. Thus for now we handle it as a special case.
			 */
        QName typeName = ted.getDefinition().getName();
        if ("http://www.opengis.net/citygml/appearance/1.0".equals(typeName.getNamespaceURI()) && "AppearanceType".equals(typeName.getLocalPart())) {
            // create a dummy XML element
            elements = new XmlElements();
            elements.addElement(new XmlElement(new QName("http://www.opengis.net/citygml/appearance/1.0", "Appearance"), ted.getDefinition(), null));
        } else
            // XXX dirty hack end
            return null;
    }
    // XXX which elements should be used?
    // for now use all elements
    StringBuilder select = new StringBuilder();
    boolean first = true;
    for (XmlElement element : elements.getElements()) {
        if (first) {
            first = false;
        } else {
            select.append(" | ");
        }
        select.append(context);
        select.append('/');
        String ns = element.getName().getNamespaceURI();
        if (ns != null && !ns.isEmpty()) {
            String prefix = namespaces.getPrefix(ns);
            if (prefix != null && !prefix.isEmpty()) {
                select.append(prefix);
                select.append(':');
            }
        }
        select.append(element.getName().getLocalPart());
    }
    // filter
    if (ted.getFilter() != null) {
        String filterxpath = FilterToXPath.toXPath(ted.getDefinition(), namespaces, ted.getFilter());
        if (filterxpath != null && !filterxpath.isEmpty()) {
            select.insert(0, '(');
            select.append(")[");
            select.append(StringEscapeUtils.escapeXml(filterxpath));
            select.append(']');
        }
    }
    return select.toString();
}

Example 34 with XmlElement

use of eu.esdihumboldt.hale.io.xsd.model.XmlElement in project hale by halestudio.

the class XsltExport method execute.

@Override
protected IOReport execute(ProgressIndicator progress, IOReporter reporter) throws IOProviderConfigurationException, IOException {
    File templateDir = Files.createTempDir();
    progress.begin("Generate XSLT", ProgressIndicator.UNKNOWN);
    try {
        log.info("Template directory: " + templateDir.getAbsolutePath());
        XmlIndex targetIndex = StreamGmlWriter.getXMLIndex(getTargetSchema());
        if (targetIndex == null) {
            throw new IllegalStateException("Target schema contains no XML schema");
        }
        XmlIndex sourceIndex = StreamGmlWriter.getXMLIndex(getSourceSchema());
        if (sourceIndex == null) {
            throw new IllegalStateException("Source schema contains no XML schema");
        }
        init(sourceIndex, targetIndex);
        XmlElement containerElement = StreamGmlWriter.getConfiguredContainerElement(this, targetIndex);
        if (containerElement == null) {
            throw new IllegalStateException("No target container element specified");
        }
        XsltGenerator generator = new XsltGenerator(templateDir, getAlignment(), sourceIndex, targetIndex, reporter, progress, containerElement, getSourceContext(), projectInfo) {

            @Override
            protected void writeContainerIntro(XMLStreamWriter writer, XsltGenerationContext context) throws XMLStreamException, IOException {
                XsltExport.this.writeContainerIntro(writer, context);
            }
        };
        return generator.write(getTarget());
    } catch (Exception e) {
        reporter.error(new IOMessageImpl("XSLT generation failed", e));
        reporter.setSuccess(false);
        return reporter;
    } finally {
        progress.end();
        try {
            FileUtils.deleteDirectory(templateDir);
        } catch (Exception e) {
            // failure to delete the directory is not fatal
            log.warn("Failed to delete temporary directory", e);
        }
    }
}

Example 35 with XmlElement

use of eu.esdihumboldt.hale.io.xsd.model.XmlElement in project hale by halestudio.

the class StreamGmlWriterTest method fillFeatureTest.

/**
 * Create a feature, fill it with values, write it as GML, validate the GML
 * and load the GML file again to compare the loaded values with the ones
 * that were written
 *
 * @param elementName the element name of the feature type to use, if
 *            <code>null</code> a random element will be used
 * @param targetSchema the schema to use, the first element will be used for
 *            the type of the feature
 * @param values the values to set on the feature
 * @param testName the name of the test
 * @param srsName the SRS name
 * @param skipValueTest if the check for equality shall be skipped
 * @param expectWriteFail if the GML writing is expected to fail
 * @param windingOrderParam winding order parameter or <code>null</code>
 * @return the validation report or the GML writing report if writing
 *         expected to fail
 * @throws Exception if any error occurs
 */
private IOReport fillFeatureTest(String elementName, URI targetSchema, Map<List<QName>, Object> values, String testName, String srsName, boolean skipValueTest, boolean expectWriteFail, EnumWindingOrderTypes windingOrderParam) throws Exception {
    // load the sample schema
    XmlSchemaReader reader = new XmlSchemaReader();
    reader.setSharedTypes(null);
    reader.setSource(new DefaultInputSupplier(targetSchema));
    IOReport schemaReport = reader.execute(null);
    assertTrue(schemaReport.isSuccess());
    XmlIndex schema = reader.getSchema();
    XmlElement element = null;
    if (elementName == null) {
        element = schema.getElements().values().iterator().next();
        if (element == null) {
            // $NON-NLS-1$
            fail("No element found in the schema");
        }
    } else {
        for (XmlElement candidate : schema.getElements().values()) {
            if (candidate.getName().getLocalPart().equals(elementName)) {
                element = candidate;
                break;
            }
        }
        if (element == null) {
            // $NON-NLS-1$ //$NON-NLS-2$
            fail("Element " + elementName + " not found in the schema");
        }
    }
    if (element == null) {
        throw new IllegalStateException();
    }
    // create feature
    MutableInstance feature = new DefaultInstance(element.getType(), null);
    // set some values
    for (Entry<List<QName>, Object> entry : values.entrySet()) {
        MutableGroup parent = feature;
        List<QName> properties = entry.getKey();
        for (int i = 0; i < properties.size() - 1; i++) {
            QName propertyName = properties.get(i);
            DefinitionGroup def = parent.getDefinition();
            Object[] vals = parent.getProperty(propertyName);
            if (vals != null && vals.length > 0) {
                Object value = vals[0];
                if (value instanceof MutableGroup) {
                    parent = (MutableGroup) value;
                } else {
                    MutableGroup child;
                    ChildDefinition<?> childDef = def.getChild(propertyName);
                    if (childDef.asProperty() != null || value != null) {
                        // create instance
                        child = new DefaultInstance(childDef.asProperty().getPropertyType(), null);
                    } else {
                        // create group
                        child = new DefaultGroup(childDef.asGroup());
                    }
                    if (value != null) {
                        // wrap value
                        ((MutableInstance) child).setValue(value);
                    }
                    parent = child;
                }
            }
        }
        parent.addProperty(properties.get(properties.size() - 1), entry.getValue());
    }
    InstanceCollection instances = new DefaultInstanceCollection(Collections.singleton(feature));
    // write to file
    InstanceWriter writer = new GmlInstanceWriter();
    if (windingOrderParam != null) {
        writer.setParameter(GeoInstanceWriter.PARAM_UNIFY_WINDING_ORDER, Value.of(windingOrderParam));
    }
    writer.setInstances(instances);
    DefaultSchemaSpace schemaSpace = new DefaultSchemaSpace();
    schemaSpace.addSchema(schema);
    writer.setTargetSchema(schemaSpace);
    // $NON-NLS-1$
    File outFile = File.createTempFile(testName, ".gml");
    writer.setTarget(new FileIOSupplier(outFile));
    if (windingOrderParam != null && windingOrderParam == EnumWindingOrderTypes.counterClockwise) {
        assertTrue(writer.getParameter(GeoInstanceWriter.PARAM_UNIFY_WINDING_ORDER).as(EnumWindingOrderTypes.class) == EnumWindingOrderTypes.counterClockwise);
    }
    // new LogProgressIndicator());
    IOReport report = writer.execute(null);
    if (expectWriteFail) {
        assertFalse("Writing the GML output should not be successful", report.isSuccess());
        return report;
    } else {
        assertTrue("Writing the GML output not successful", report.isSuccess());
    }
    List<? extends Locatable> validationSchemas = writer.getValidationSchemas();
    System.out.println(outFile.getAbsolutePath());
    System.out.println(targetSchema.toString());
    // if (!DEL_TEMP_FILES && Desktop.isDesktopSupported()) {
    // Desktop.getDesktop().open(outFile);
    // }
    IOReport valReport = validate(outFile.toURI(), validationSchemas);
    // load file
    InstanceCollection loaded = loadGML(outFile.toURI(), schema);
    ResourceIterator<Instance> it = loaded.iterator();
    try {
        assertTrue(it.hasNext());
        if (!skipValueTest) {
            Instance l = it.next();
            // test values
            for (Entry<List<QName>, Object> entry : values.entrySet()) {
                // XXX conversion?
                Object expected = entry.getValue();
                // String propertyPath = Joiner.on('.').join(Collections2.transform(entry.getKey(), new Function<QName, String>() {
                // 
                // @Override
                // public String apply(QName input) {
                // return input.toString();
                // }
                // }));
                // Collection<Object> propValues = PropertyResolver.getValues(
                // l, propertyPath, true);
                // assertEquals(1, propValues.size());
                // Object value = propValues.iterator().next();
                Collection<GeometryProperty<?>> geoms = GeometryUtil.getAllGeometries(l);
                assertEquals(1, geoms.size());
                Object value = geoms.iterator().next().getGeometry();
                if (expected instanceof Geometry && value instanceof Geometry) {
                    if (windingOrderParam == null || windingOrderParam == EnumWindingOrderTypes.noChanges) {
                        matchGeometries((Geometry) expected, (Geometry) value);
                    }
                    // Winding Order Test.
                    if (windingOrderParam != null) {
                        if (windingOrderParam == EnumWindingOrderTypes.counterClockwise) {
                            assertTrue(((Geometry) expected).getNumGeometries() == ((Geometry) value).getNumGeometries());
                            assertTrue(WindingOrder.isCounterClockwise((Geometry) value));
                        } else if (windingOrderParam == EnumWindingOrderTypes.clockwise) {
                            assertFalse(WindingOrder.isCounterClockwise((Geometry) value));
                        } else {
                            assertTrue(WindingOrder.isCounterClockwise((Geometry) value) == WindingOrder.isCounterClockwise((Geometry) expected));
                        }
                    } else {
                        // TODO check winding order is CCW
                        if (value instanceof Polygon || value instanceof MultiPolygon)
                            assertTrue(WindingOrder.isCounterClockwise((Geometry) value));
                    }
                } else {
                    assertEquals(expected.toString(), value.toString());
                }
            }
            assertFalse(it.hasNext());
        }
    } finally {
        it.close();
    }
    if (DEL_TEMP_FILES) {
        outFile.deleteOnExit();
    }
    return valReport;
}