public static VPFFeatureClass[] readFeatureClasses(VPFCoverage coverage, FileFilter featureTableFilter)
{
if (coverage == null)
{
String message = Logging.getMessage("nullValue.CoverageIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (featureTableFilter == null)
{
String message = Logging.getMessage("nullValue.FilterIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
VPFFeatureClassSchema[] schemas = coverage.getFeatureClasses(featureTableFilter);
VPFFeatureClass[] cls = new VPFFeatureClass[schemas.length];
VPFFeatureClassFactory factory = new VPFBasicFeatureClassFactory();
for (int i = 0; i < schemas.length; i++)
{
cls[i] = factory.createFromSchema(coverage, schemas[i]);
}
return(cls);
}
public static VPFCoverage readCoverage(VPFLibrary library, String name)
{
if (library == null)
{
String message = Logging.getMessage("nullValue.LibraryIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (name == null)
{
String message = Logging.getMessage("nullValue.NameIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
try
{
return(VPFCoverage.fromFile(library, name));
}
catch (WWRuntimeException e)
{
// Exception already logged by VPFCoverage.
return(null);
}
}
public VPFFeatureClass createFromSchema(VPFCoverage coverage, VPFFeatureClassSchema schema)
{
if (coverage == null)
{
String message = Logging.getMessage("nullValue.CoverageIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (schema == null)
{
String message = Logging.getMessage("nullValue.SchemaIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
try
{
return(this.doCreateFromSchema(coverage, schema));
}
catch (Exception e)
{
String message = Logging.getMessage("generic.ExceptionWhileReading",
coverage.getFilePath() + File.separator + schema.getClassName());
throw new WWRuntimeException(message, e);
}
}
protected void buildNodePrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData)
{
VPFBufferedRecordData nodeTable = this.createPrimitiveTable(coverage, tile, VPFConstants.NODE_PRIMITIVE_TABLE);
if (nodeTable != null && nodeTable.getNumRecords() > 0)
{
this.buildNodePrimitives(nodeTable, VPFConstants.NODE_PRIMITIVE_TABLE, primitiveData);
}
VPFBufferedRecordData entityNodeTable = this.createPrimitiveTable(coverage, tile,
VPFConstants.ENTITY_NODE_PRIMITIVE_TABLE);
if (entityNodeTable != null && entityNodeTable.getNumRecords() > 0)
{
this.buildNodePrimitives(entityNodeTable, VPFConstants.ENTITY_NODE_PRIMITIVE_TABLE, primitiveData);
}
VPFBufferedRecordData connectedNodeTable = this.createPrimitiveTable(coverage, tile,
VPFConstants.CONNECTED_NODE_PRIMITIVE_TABLE);
if (connectedNodeTable != null && connectedNodeTable.getNumRecords() > 0)
{
this.buildNodePrimitives(connectedNodeTable, VPFConstants.CONNECTED_NODE_PRIMITIVE_TABLE, primitiveData);
}
}
protected void buildTextPrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData)
{
VPFBufferedRecordData textTable = this.createPrimitiveTable(coverage, tile, VPFConstants.TEXT_PRIMITIVE_TABLE);
if (textTable == null || textTable.getNumRecords() == 0)
{
return;
}
int numText = textTable.getNumRecords();
VPFPrimitiveData.BasicPrimitiveInfo[] textInfo = new VPFPrimitiveData.BasicPrimitiveInfo[numText];
VecBufferSequence coords = (VecBufferSequence)textTable.getRecordData("shape_line").getBackingData();
CompoundStringBuilder strings = (CompoundStringBuilder)textTable.getRecordData("string").getBackingData();
foreach (VPFRecord row in textTable)
{
int id = row.getId();
textInfo[VPFBufferedRecordData.indexFromId(id)] = new VPFPrimitiveData.BasicPrimitiveInfo(
VPFBoundingBox.fromVecBuffer(coords.subBuffer(id)));
}
primitiveData.setPrimitiveInfo(VPFConstants.TEXT_PRIMITIVE_TABLE, textInfo);
primitiveData.setPrimitiveCoords(VPFConstants.TEXT_PRIMITIVE_TABLE, coords);
primitiveData.setPrimitiveStrings(VPFConstants.TEXT_PRIMITIVE_TABLE, strings);
}
public VPFFeatureClass(VPFCoverage coverage, VPFFeatureClassSchema schema, String joinTableName,
String primitiveTableName)
{
this.coverage = coverage;
this.schema = schema;
this.joinTableName = joinTableName;
this.primitiveTableName = primitiveTableName;
}
//**************************************************************//
//******************** Primitive Assembly ********************//
//**************************************************************//
protected VPFPrimitiveData doCreatePrimitives(VPFCoverage coverage)
{
VPFPrimitiveData primitiveData = new VPFPrimitiveData();
this.buildNodePrimitives(coverage, this.tile, primitiveData);
this.buildEdgePrimitives(coverage, this.tile, primitiveData);
this.buildFacePrimitives(coverage, this.tile, primitiveData);
this.buildTextPrimitives(coverage, this.tile, primitiveData);
return(primitiveData);
}
public VPFPrimitiveData createPrimitiveData(VPFCoverage coverage)
{
if (coverage == null)
{
String message = Logging.getMessage("nullValue.CoverageIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
String path = getPrimitiveTablePath(coverage, this.tile, "");
File file = new File(path);
if (!file.exists())
{
return(null);
}
return(this.doCreatePrimitives(coverage));
}
protected void buildEdgePrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData)
{
VPFBufferedRecordData edgeTable = this.createPrimitiveTable(coverage, tile, VPFConstants.EDGE_PRIMITIVE_TABLE);
if (edgeTable == null || edgeTable.getNumRecords() == 0)
{
return;
}
VPFBufferedRecordData mbrTable = this.createPrimitiveTable(coverage, tile,
VPFConstants.EDGE_BOUNDING_RECTANGLE_TABLE);
if (mbrTable == null)
{
return;
}
int numEdges = edgeTable.getNumRecords();
VPFPrimitiveData.EdgeInfo[] edgeInfo = new VPFPrimitiveData.EdgeInfo[numEdges];
VecBufferSequence coords = (VecBufferSequence)edgeTable.getRecordData(
"coordinates").getBackingData();
foreach (VPFRecord row in edgeTable)
{
int id = row.getId();
VPFRecord mbrRow = mbrTable.getRecord(id);
edgeInfo[VPFBufferedRecordData.indexFromId(id)] = new VPFPrimitiveData.EdgeInfo(
getNumber(row.getValue("edge_type")),
getId(row.getValue("start_node")), getNumber(row.getValue("end_node")),
getId(row.getValue("left_face")), getId(row.getValue("right_face")),
getId(row.getValue("left_edge")), getId(row.getValue("right_edge")),
isEdgeOnTileBoundary(row),
VPFUtils.getExtent(mbrRow));
}
primitiveData.setPrimitiveInfo(VPFConstants.EDGE_PRIMITIVE_TABLE, edgeInfo);
primitiveData.setPrimitiveCoords(VPFConstants.EDGE_PRIMITIVE_TABLE, coords);
}
/**
* Constructs a VPF Coverage from a specified VPF Library and coverage name. This initializes the Coverage's Feature
* Class Schema table, the Feature Class Attribute table, the Character Value Description table, the Integer Value
* Descrption table, and the Symbol Related Attribute table.
*
* @param library the Library which the Coverage resides in.
* @param name the Coverage's name.
*
* @return a new Coverage from the specified Library with the specified name.
*
* @throws ArgumentException if the library is null, or if the name is null or empty.
*/
public static VPFCoverage fromFile(VPFLibrary library, String name)
{
if (library == null)
{
String message = Logging.getMessage("nullValue.LibraryIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (WWUtil.isEmpty(name))
{
String message = Logging.getMessage("nullValue.NameIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
File file = new File(library.getFilePath(), name);
if (!file.exists())
{
String message = Logging.getMessage("generic.FileNotFound", file.getPath());
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
// Coverage tables.
VPFBufferedRecordData fcs = VPFUtils.readTable(new File(file, VPFConstants.FEATURE_CLASS_SCHEMA_TABLE));
if (fcs == null)
{
String message = Logging.getMessage("VPF.FeatureClassSchemaTableMissing");
throw new WWRuntimeException(message);
}
VPFBufferedRecordData fca = VPFUtils.readTable(
new File(file, VPFConstants.FEATURE_CLASS_ATTRIBUTE_TABLE));
VPFBufferedRecordData char_vdt = VPFUtils.readTable(
new File(file, VPFConstants.CHARACTER_VALUE_DESCRIPTION_TABLE));
VPFBufferedRecordData int_vdt = VPFUtils.readTable(
new File(file, VPFConstants.INTEGER_VALUE_DESCRIPTION_TABLE));
VPFBufferedRecordData symbol_rat = VPFUtils.readTable(
new File(file, "symbol" + VPFConstants.RELATED_ATTRIBUTE_TABLE));
VPFCoverage coverage = new VPFCoverage(library);
coverage.setFeatureClassSchemaTable(fcs);
coverage.setFeatureClassAttributeTable(fca);
coverage.setCharacterValueDescriptionTable(char_vdt);
coverage.setIntegerValueDescriptionTable(int_vdt);
coverage.setSymbolRelatedAttributeTable(symbol_rat);
// Coverage metadata attributes.
VPFRecord record = library.getCoverageAttributeTable().getRecord("coverage_name", name);
if (record != null)
{
VPFUtils.checkAndSetValue(record, "coverage_name", AVKey.DISPLAY_NAME, coverage);
VPFUtils.checkAndSetValue(record, "description", AVKey.DESCRIPTION, coverage);
}
return(coverage);
}
protected VPFFeatureClass doCreateFromSchema(VPFCoverage coverage, VPFFeatureClassSchema schema) throws IOException
/**
* Constructs a VPF Library from the specified VPF Database and library name. This initializes the Library Header
* Table, the Coverage Attribute Table, and the Geographic Reference Table.
*
* @param database the Database which the Library resides in.
* @param name the Library's name.
*
* @return a new Library from the specified Database with the specified name.
*
* @throws ArgumentException if the database is null, or if the name is null or empty.
*/
public static VPFLibrary fromFile(VPFDatabase database, String name)
{
if (database == null)
{
String message = Logging.getMessage("nullValue.DatabaseIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (WWUtil.isEmpty(name))
{
String message = Logging.getMessage("nullValue.NameIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
File file = new File(database.getFilePath(), name);
if (!file.exists())
{
String message = Logging.getMessage("generic.FileNotFound", file.getPath());
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
// Library tables.
VPFBufferedRecordData lht = VPFUtils.readTable(new File(file, VPFConstants.LIBRARY_HEADER_TABLE));
if (lht == null)
{
String message = Logging.getMessage("VPF.LibraryHeaderTableMissing");
throw new WWRuntimeException(message);
}
VPFBufferedRecordData cat = VPFUtils.readTable(new File(file, VPFConstants.COVERAGE_ATTRIBUTE_TABLE));
if (cat == null)
{
String message = Logging.getMessage("VPF.CoverageAttributeTableMissing");
throw new WWRuntimeException(message);
}
VPFBufferedRecordData grt = VPFUtils.readTable(new File(file, VPFConstants.GEOGRAPHIC_REFERENCE_TABLE));
if (grt == null)
{
String message = Logging.getMessage("VPF.GeographicReferenceTableMissing");
throw new WWRuntimeException(message);
}
VPFLibrary library = new VPFLibrary(database);
library.setLibraryHeaderTable(lht);
library.setCoverageAttributeTable(cat);
library.setGeographicReferenceTable(grt);
// Library metadata attributes.
VPFRecord record = database.getLibraryAttributeTable().getRecord("library_name", name);
if (record != null)
{
library.bounds = VPFUtils.getExtent(record);
}
record = lht.getRecord(1);
if (record != null)
{
VPFUtils.checkAndSetValue(record, "library_name", AVKey.DISPLAY_NAME, library);
VPFUtils.checkAndSetValue(record, "description", AVKey.DESCRIPTION, library);
}
// Library Coverages.
Collection <VPFCoverage> col = createCoverages(library, cat);
if (col != null)
{
library.setCoverages(col);
}
// Library tiles.
VPFCoverage cov = library.getCoverage(VPFConstants.TILE_REFERENCE_COVERAGE);
if (cov != null)
{
VPFTile[] tiles = createTiles(cov);
if (tiles != null)
{
library.setTiles(tiles);
}
else
{
String message = Logging.getMessage("VPF.NoTilesInTileReferenceCoverage");
Logging.logger().warning(message);
}
}
// Coverage tiled attributes.
foreach (VPFCoverage coverage in library.getCoverages())
{
bool tiled = isCoverageTiled(library, coverage);
coverage.setTiled(tiled);
}
return(library);
}
protected void buildFacePrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData)
{
VPFBufferedRecordData faceTable = this.createPrimitiveTable(coverage, tile, VPFConstants.FACE_PRIMITIVE_TABLE);
if (faceTable == null)
{
return;
}
VPFBufferedRecordData mbrTable = this.createPrimitiveTable(coverage, tile,
VPFConstants.FACE_BOUNDING_RECTANGLE_TABLE);
if (mbrTable == null)
{
return;
}
VPFBufferedRecordData ringTable = this.createPrimitiveTable(coverage, tile, VPFConstants.RING_TABLE);
if (ringTable == null)
{
return;
}
VPFPrimitiveData.PrimitiveInfo[] edgeInfo = primitiveData.getPrimitiveInfo(VPFConstants.EDGE_PRIMITIVE_TABLE);
int numFaces = faceTable.getNumRecords();
VPFPrimitiveData.FaceInfo[] faceInfo = new VPFPrimitiveData.FaceInfo[numFaces];
foreach (VPFRecord faceRow in faceTable)
{
int faceId = faceRow.getId();
VPFRecord mbrRow = mbrTable.getRecord(faceId);
// Face ID 1 is reserved for the "universe face", which does not have any associated geometry.
if (faceId == 1)
{
continue;
}
// The first ring primitive associated with the face primitive defines the outer ring. The face primitive must
// at least contain coordinates for an outer ring.
int ringId = ((Number)faceRow.getValue("ring_ptr")).intValue();
VPFRecord ringRow = ringTable.getRecord(ringId);
VPFPrimitiveData.Ring outerRing = this.buildRing(ringRow, edgeInfo);
// The ring table maintains an order relationship for its rows. The first record of a new face id will always
// be defined as the outer ring. Any repeating records with an identical face value will define inner rings.
ArrayList <VPFPrimitiveData.Ring> innerRingList = new ArrayList <VPFPrimitiveData.Ring>();
for (ringId = ringId + 1; ringId <= ringTable.getNumRecords(); ringId++)
{
ringRow = ringTable.getRecord(ringId);
// Break on the first ring primitive row which isn't associated with the face. Because the ring rows
// maintain an ordering with respect to face id, there will be no other ring rows corresponding to this
// face.
if (faceId != getId(ringRow.getValue("face_id")))
{
break;
}
VPFPrimitiveData.Ring innerRing = this.buildRing(ringRow, edgeInfo);
if (innerRing != null)
{
innerRingList.add(innerRing);
}
}
VPFPrimitiveData.Ring[] innerRings = new VPFPrimitiveData.Ring[innerRingList.size()];
innerRingList.toArray(innerRings);
faceInfo[VPFBufferedRecordData.indexFromId(faceId)] = new VPFPrimitiveData.FaceInfo(
outerRing, innerRings, VPFUtils.getExtent(mbrRow));
}
primitiveData.setPrimitiveInfo(VPFConstants.FACE_PRIMITIVE_TABLE, faceInfo);
}