public static SimpleFeatureType toReShapeFeatureType(
SimpleFeatureCollection delegate, List<Definition> definitionList) {
SimpleFeature sample = null;
SimpleFeatureIterator iterator = delegate.features();
try {
if (iterator.hasNext()) {
sample = iterator.next();
}
} finally {
iterator.close(); // good bye
}
SimpleFeatureTypeBuilder build = new SimpleFeatureTypeBuilder();
SimpleFeatureType origional = delegate.getSchema();
for (Definition def : definitionList) {
String name = def.name;
Expression expression = def.expression;
Object value = null;
if (sample != null) {
value = expression.evaluate(sample);
}
Class<?> binding = def.binding; // make use of any default binding hint provided by user
if (value == null) {
if (expression instanceof PropertyName) {
PropertyName propertyName = (PropertyName) expression;
String path = propertyName.getPropertyName();
AttributeDescriptor descriptor = origional.getDescriptor(name);
AttributeType attributeType = descriptor.getType();
binding = attributeType.getBinding();
}
} else {
binding = value.getClass();
}
if (binding == null) {
// note we could consider scanning through additional samples until we get a non null hit
throw new IllegalArgumentException("Unable to determine type for " + name);
}
if (Geometry.class.isAssignableFrom(binding)) {
CoordinateReferenceSystem crs;
AttributeType originalAttributeType = origional.getType(name);
if (originalAttributeType != null && originalAttributeType instanceof GeometryType) {
GeometryType geometryType = (GeometryType) originalAttributeType;
crs = geometryType.getCoordinateReferenceSystem();
} else {
crs = origional.getCoordinateReferenceSystem();
}
build.crs(crs);
build.add(name, binding);
} else {
build.add(name, binding);
}
}
build.setName(origional.getTypeName());
return build.buildFeatureType();
}
private void register(AttributeType type, boolean anonymous) {
Name name = type.getName();
Object old;
if (anonymous) {
old = anonTypeRegistry.put(name, type);
} else {
old = typeRegistry.put(name, type);
}
if (old != null) {
LOGGER.fine(type.getName() + " replaced by new value.");
}
}
public NonFeatureTypeProxy(
final AttributeType type,
final FeatureTypeMapping mapping,
Collection<PropertyDescriptor> schema) {
super(type.getName(), null);
subject = type;
AttributeDescriptor originalTarget = mapping.getTargetFeature();
int maxOccurs = originalTarget.getMaxOccurs();
int minOccurs = originalTarget.getMinOccurs();
boolean nillable = originalTarget.isNillable();
Object defaultValue = originalTarget.getDefaultValue();
Name name = originalTarget.getName();
// create a new descriptor with the wrapped type and set it to the mapping
ComplexFeatureTypeFactoryImpl typeFactory = new ComplexFeatureTypeFactoryImpl();
AttributeDescriptor descriptor =
typeFactory.createAttributeDescriptor(
this, name, minOccurs, maxOccurs, nillable, defaultValue);
descriptor.getUserData().putAll(originalTarget.getUserData());
mapping.setTargetFeature(descriptor);
// smuggle FEATURE_LINK descriptor
schema.add(ComplexFeatureConstants.FEATURE_CHAINING_LINK);
this.descriptors = schema;
}
AttributeType findType(Class binding) {
for (Schema schema : typeMappingProfiles) {
for (Map.Entry<Name, AttributeType> e : schema.entrySet()) {
AttributeType at = e.getValue();
if (at.getBinding() != null && at.getBinding().equals(binding)) {
return at;
}
}
for (AttributeType at : schema.values()) {
if (binding.isAssignableFrom(at.getBinding())) {
return at;
}
}
}
return null;
}
/**
* Used to supply a list of suggested values; given the provided attribtue descriptor.
*
* @param descriptor
* @return list of suggested values (may be empty if no values are suggested)
*/
protected SortedSet<String> generateSuggestedValues(AttributeDescriptor descriptor) {
SortedSet<String> options = new TreeSet<String>();
Object defaultValue = descriptor.getDefaultValue();
if (defaultValue != null) {
options.add(String.valueOf(defaultValue));
}
AttributeType type = descriptor.getType();
if (Number.class.isAssignableFrom(type.getBinding())) {
options.add("0");
options.add("1");
options.add("2");
options.add("3");
options.add("4");
options.add("5");
}
return options;
}
/**
* Parses the value of the current attribute, parser cursor shall be on a feature attribute
* START_TAG event.
*
* @return
* @throws IOException
* @throws XmlPullParserException
* @throws FactoryException
* @throws NoSuchAuthorityCodeException
*/
@SuppressWarnings("unchecked")
private Object parseAttributeValue() throws XmlPullParserException, IOException {
final String name = parser.getName();
final AttributeDescriptor attribute = expectedProperties.get(name);
final AttributeType type = attribute.getType();
Object parsedValue;
if (type instanceof GeometryType) {
parser.nextTag();
try {
parsedValue = parseGeom();
} catch (NoSuchAuthorityCodeException e) {
throw new DataSourceException(e);
} catch (FactoryException e) {
throw new DataSourceException(e);
}
} else {
String rawTextValue = parser.nextText();
Class binding = type.getBinding();
parsedValue = Converters.convert(rawTextValue, binding);
}
return parsedValue;
}
private AttributeDescriptor createAttributeDescriptor(
AttributeType type,
CoordinateReferenceSystem crs,
Name elemName,
int minOccurs,
int maxOccurs,
boolean nillable,
Object defaultValue) {
AttributeDescriptor descriptor = null;
if (maxOccurs == -1) {
// this happens when maxOccurs is set to "unbounded"
maxOccurs = Integer.MAX_VALUE;
}
if (!(type instanceof AttributeTypeProxy)
&& Geometry.class.isAssignableFrom(type.getBinding())) {
// create geometry descriptor with the simple feature type CRS
GeometryType geomType =
new GeometryTypeImpl(
type.getName(),
type.getBinding(),
crs,
type.isIdentified(),
type.isAbstract(),
type.getRestrictions(),
type.getSuper(),
type.getDescription());
descriptor =
typeFactory.createGeometryDescriptor(
geomType, elemName, minOccurs, maxOccurs, nillable, defaultValue);
} else {
descriptor =
typeFactory.createAttributeDescriptor(
type, elemName, minOccurs, maxOccurs, nillable, defaultValue);
}
return descriptor;
}
/**
* create a FeatureSource with the specified Query
*
* @param entry
* @param query - a query containing a filter that will be applied to the data
*/
public ExcelFeatureSource(ContentEntry entry, Query query) {
super(entry, query);
Date beginingOfExcelTime = HSSFDateUtil.getJavaDate(0);
dataStore = (ExcelDataStore) entry.getDataStore();
sheet = dataStore.getSheet();
latCol = dataStore.getLatColumnIndex();
lonCol = dataStore.getLonColumnIndex();
int rows = sheet.getPhysicalNumberOfRows();
int start = dataStore.getHeaderRowIndex() + 1;
latCol = dataStore.getLatColumnIndex();
lonCol = dataStore.getLonColumnIndex();
features = new ArrayList<SimpleFeature>();
filteredFeatures = new ArrayList<SimpleFeature>();
evaluator = dataStore.workbook.getCreationHelper().createFormulaEvaluator();
if (schema == null) {
schema = getSchema();
}
GeometryFactory geometryFactory = dataStore.getGeometryFactory();
SimpleFeatureBuilder builder = new SimpleFeatureBuilder(schema);
Row header = sheet.getRow(dataStore.getHeaderRowIndex());
for (int i = start; i < rows; i++) {
Row data = sheet.getRow(i);
double x = 0.0;
double y = 0.0;
for (int col = data.getFirstCellNum(); col < data.getLastCellNum(); col++) {
final Cell cell = data.getCell(col);
CellValue value = evaluator.evaluate(cell);
if (col == latCol) {
if (value.getCellType() == Cell.CELL_TYPE_NUMERIC) {
y = value.getNumberValue();
}
} else if (col == lonCol) {
if (value.getCellType() == Cell.CELL_TYPE_NUMERIC) {
x = value.getNumberValue();
}
} else {
// cast and handle
final String name = header.getCell(col).getStringCellValue().trim();
switch (value.getCellType()) {
case Cell.CELL_TYPE_NUMERIC:
AttributeType type = schema.getType(name);
Class<?> clazz = type.getBinding();
if (clazz == Double.class) {
builder.set(name, value.getNumberValue());
} else if (clazz == java.sql.Date.class) {
final java.util.Date javaDate = HSSFDateUtil.getJavaDate(value.getNumberValue());
final Calendar cal = Calendar.getInstance();
cal.clear();
cal.setTime(javaDate);
java.sql.Date date = new java.sql.Date(cal.getTimeInMillis());
builder.set(name, date);
} else if (clazz == java.util.Date.class) {
final java.util.Date javaDate = HSSFDateUtil.getJavaDate(value.getNumberValue());
builder.set(name, javaDate);
} else if (clazz == Time.class) {
final java.util.Date javaDate = HSSFDateUtil.getJavaDate(value.getNumberValue());
final Calendar cal = Calendar.getInstance();
cal.clear();
cal.setTime(javaDate);
cal.set(0, 0, 0);
Time time = new Time(cal.getTimeInMillis());
builder.set(name, time);
}
break;
case Cell.CELL_TYPE_STRING:
builder.set(name, value.getStringValue().trim());
break;
case Cell.CELL_TYPE_BOOLEAN:
builder.set(name, value.getBooleanValue());
break;
default:
System.out.println(
"We don't handle "
+ cell.getCellType()
+ " type cells "
+ cell.getStringCellValue());
}
}
}
Point p = geometryFactory.createPoint(new Coordinate(x, y));
builder.set("the_geom", p);
SimpleFeature feature = builder.buildFeature(null);
features.add(feature);
}
filterFeatures(query);
}
/**
* Creates an {@link AttributeType} that matches the xsd type definition as much as possible.
*
* <p>The original type definition given by the {@link XSDTypeDefinition} is kept as
* AttributeType's metadata stored as a "user data" property using <code>XSDTypeDefinition.class
* </code> as key.
*
* <p>If it is a complex attribute, it will contain all the properties declared in the <code>
* typeDefinition</code>, as well as all the properties declared in its super types. TODO: handle
* the case where the extension mechanism is restriction.
*
* @param assignedName
* @param typeDefinition
* @return
*/
private AttributeType createType(
final Name assignedName,
final XSDTypeDefinition typeDefinition,
CoordinateReferenceSystem crs,
boolean anonymous) {
AttributeType attType;
// /////////
if (processingTypes.contains(assignedName)) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Recursion found for type " + assignedName + ". Proxying it.");
}
attType =
createProxiedType(
assignedName, typeDefinition, anonymous ? anonTypeRegistry : typeRegistry);
return attType;
}
processingTypes.push(assignedName);
// //////////
final XSDTypeDefinition baseType = typeDefinition.getBaseType();
AttributeType superType = null;
if (baseType != null) {
String targetNamespace = baseType.getTargetNamespace();
String name = baseType.getName();
if (name != null) {
Name baseTypeName = new NameImpl(targetNamespace, name);
superType = getAttributeType(baseTypeName, baseType, crs);
}
} else {
LOGGER.warning(assignedName + " has no super type");
}
if (typeDefinition instanceof XSDComplexTypeDefinition) {
XSDComplexTypeDefinition complexTypeDef;
complexTypeDef = (XSDComplexTypeDefinition) typeDefinition;
boolean includeParents = true;
List<XSDElementDeclaration> children =
Schemas.getChildElementDeclarations(typeDefinition, includeParents);
final Collection<PropertyDescriptor> schema =
new ArrayList<PropertyDescriptor>(children.size());
XSDElementDeclaration childDecl;
AttributeDescriptor descriptor;
for (Iterator it = children.iterator(); it.hasNext(); ) {
childDecl = (XSDElementDeclaration) it.next();
try {
descriptor = createAttributeDescriptor(complexTypeDef, childDecl, crs);
} catch (NoSuchElementException e) {
String msg =
"Failed to create descriptor for '"
+ childDecl.getTargetNamespace()
+ "#"
+ childDecl.getName()
+ " from container '"
+ typeDefinition.getTargetNamespace()
+ "#"
+ typeDefinition.getName()
+ "'";
NoSuchElementException nse = new NoSuchElementException(msg);
nse.initCause(e);
throw nse;
}
schema.add(descriptor);
}
if (includeAttributes) {
for (XSDAttributeUse attgcontent : complexTypeDef.getAttributeUses()) {
XSDAttributeDeclaration att = attgcontent.getContent();
descriptor =
createAttributeDescriptor(
getXmlAttributeType(),
null,
new NameImpl(null, "@" + att.getName()),
0,
1,
false,
null);
schema.add(descriptor);
}
}
// set substitution group for descriptors here
for (XSDElementDeclaration elemDecl : children) {
if (elemDecl.isElementDeclarationReference()) {
elemDecl = elemDecl.getResolvedElementDeclaration();
}
PropertyDescriptor att = null;
for (PropertyDescriptor desc : schema) {
if (desc.getName().getLocalPart().equals(elemDecl.getName())
&& desc.getName().getNamespaceURI().equals(elemDecl.getTargetNamespace())) {
att = desc;
break;
}
}
setSubstitutionGroup(complexTypeDef, elemDecl, att, crs);
}
attType = createComplexAttributeType(assignedName, schema, complexTypeDef, superType);
} else {
Class<?> binding = String.class;
boolean isIdentifiable = false;
boolean isAbstract = false;
List<Filter> restrictions = Collections.emptyList();
InternationalString description = null;
attType =
typeFactory.createAttributeType(
assignedName,
binding,
isIdentifiable,
isAbstract,
restrictions,
superType,
description);
}
attType.getUserData().put(XSDTypeDefinition.class, typeDefinition);
processingTypes.pop();
// even if the type is anonymous, it still has to be registered somewhere because
// it's needed for the proxied types to find them. That's why we have 2 registries,
// typeRegistry
// and anonTypeRegistry. TypeRegistry is the global one, since anonymous types are meant to
// be
// local and shouldn't be searchable.
register(attType, anonymous);
return attType;
}
/**
* Specifies an attribute type binding.
*
* <p>This method is used to associate an attribute type with a java class. The class is retreived
* from <code>type.getBinding()</code>. When the {@link #add(String, Class)} method is used to add
* an attribute to the type being built, this binding is used to locate the attribute type.
*
* @param type The attribute type.
*/
public void addBinding(AttributeType type) {
bindings().put(type.getBinding(), type);
}
