protected Header readHeaderFromBuffer(ByteBuffer buffer) throws WWRuntimeException {
// Read file code - first byte
int fileCode = buffer.get();
if (fileCode > 5) {
String message = Logging.getMessage("SHP.NotADBaseFile", file.getPath());
Logging.logger().log(java.util.logging.Level.SEVERE, message);
throw new WWRuntimeException(message);
}
// Last update date
int yy = 0xFF & buffer.get(); // unsigned
int mm = buffer.get();
int dd = buffer.get();
// Number of records
int numRecords = buffer.getInt();
// Header struct length
int headerLength = buffer.getShort();
// Record length
int recordLength = buffer.getShort();
// Assemble header
Header header = new Header();
header.fileCode = fileCode;
Calendar cal = Calendar.getInstance();
cal.set(1900 + yy, mm - 1, dd);
header.lastModificationDate = cal.getTime();
header.numberOfRecords = numRecords;
header.headerLength = headerLength;
header.recordLength = recordLength;
return header;
}
/**
* Resolve COLLADA references relative to the COLLADA document. If the reference is relative then
* it will resolved relative to the .dae file, not the kml file. If the COLLADA document may be
* contained in a KMZ archive the resources will be resolved relative to the .dae file within the
* archive. Normally references in a KMZ are resolved relative to the root of the archive, but
* Model references are an exception. See
* https://developers.google.com/kml/documentation/kmzarchives and
* https://developers.google.com/kml/documentation/kmlreference#model
*
* <p>{@inheritDoc}.
*/
public String resolveFilePath(String path) throws IOException {
KMLLink link = this.model.getLink();
// Check the resource map to see if an alias is defined for this resource.
String alias = this.resourceMap.get(path);
if (alias != null) path = alias;
// If the path is relative then resolve it relative to the COLLADA file.
File f = new File(path);
if (!f.isAbsolute() && link != null && link.getHref() != null) {
try {
URI base = new URI(null, link.getHref(), null);
URI ref = new URI(null, path, null);
path = base.resolve(ref).getPath();
} catch (URISyntaxException ignored) {
// Ignored
}
}
Object o = this.parent.getRoot().resolveReference(path);
if (o instanceof URL || o instanceof String) return o.toString();
return null;
}
/**
* Resolves a reference to a local element identified by address and identifier, where {@code
* linkBase} identifies a document, including the current document, and {@code linkRef} is the id
* of the desired element.
*
* <p>If {@code linkBase} refers to a local COLLADA file and {@code linkRef} is non-null, the
* return value is the element identified by {@code linkRef}. If {@code linkRef} is null, the
* return value is a parsed {@link ColladaRoot} for the COLLADA file identified by {@code
* linkBase}. Otherwise, {@code linkBase} is returned.
*
* @param linkBase the address of the document containing the requested element.
* @param linkRef the element's identifier.
* @return the requested element, or null if the element is not found.
* @throws IllegalArgumentException if the address is null.
*/
protected Object resolveLocalReference(String linkBase, String linkRef) {
if (linkBase == null) {
String message = Logging.getMessage("nullValue.DocumentSourceIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
try {
File file = new File(linkBase);
if (!file.exists()) return null;
// Determine whether the file is a COLLADA document. If not, just return the file path.
if (!WWIO.isContentType(file, ColladaConstants.COLLADA_MIME_TYPE))
return file.toURI().toString();
// Attempt to open and parse the COLLADA file.
ColladaRoot refRoot = ColladaRoot.createAndParse(file);
// An exception is thrown if parsing fails, so no need to check for null.
// Add the parsed file to the session cache so it doesn't have to be parsed again.
WorldWind.getSessionCache().put(linkBase, refRoot);
// Now check the newly opened COLLADA file for the referenced item, if a reference was
// specified.
if (linkRef != null) return refRoot.getItemByID(linkRef);
else return refRoot;
} catch (Exception e) {
String message =
Logging.getMessage("generic.UnableToResolveReference", linkBase + "/" + linkRef);
Logging.logger().warning(message);
return null;
}
}
protected void initializeTexture(DrawContext dc) {
Texture iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath());
if (iconTexture != null) return;
try {
InputStream iconStream = this.getClass().getResourceAsStream("/" + this.getIconFilePath());
if (iconStream == null) {
File iconFile = new File(this.iconFilePath);
if (iconFile.exists()) {
iconStream = new FileInputStream(iconFile);
}
}
iconTexture = TextureIO.newTexture(iconStream, false, null);
iconTexture.bind();
this.iconWidth = iconTexture.getWidth();
this.iconHeight = iconTexture.getHeight();
dc.getTextureCache().put(this.getIconFilePath(), iconTexture);
} catch (IOException e) {
String msg = Logging.getMessage("layers.IOExceptionDuringInitialization");
Logging.logger().severe(msg);
throw new WWRuntimeException(msg, e);
}
GL gl = dc.getGL();
gl.glTexParameteri(
GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); // _MIPMAP_LINEAR);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
// Enable texture anisotropy, improves "tilted" world map quality.
int[] maxAnisotropy = new int[1];
gl.glGetIntegerv(GL.GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, maxAnisotropy, 0);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAX_ANISOTROPY_EXT, maxAnisotropy[0]);
}
private void commonInitializer(File file) throws IOException {
File parent = file.getParentFile();
if (parent == null) parent = new File(System.getProperty("user.dir"));
if (!parent.canWrite()) {
String msg = Logging.getMessage("generic.FolderNoWritePermission", parent.getAbsolutePath());
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
this.targetFile = new RandomAccessFile(file, "rw");
this.theChannel = this.targetFile.getChannel();
}
public List<DBaseRecord> getRecords() {
if (this.records == null && this.getFile() != null) {
File file = this.getFile();
try {
this.records = this.readRecordsFromFile(file);
} catch (Exception e) {
String message = Logging.getMessage("SHP.ExceptionAttemptingToReadFile", file.getPath());
Logging.logger().log(java.util.logging.Level.SEVERE, message, e);
throw new WWRuntimeException(message, e);
}
}
return this.records;
}
public static VPFDatabase readDatabase(File file) {
if (file == null) {
String message = Logging.getMessage("nullValue.FileIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (!file.exists()) {
return null;
}
try {
return VPFDatabase.fromFile(file.getPath());
} catch (WWRuntimeException e) {
// Exception already logged by VPFLibrary.
return null;
}
}
public ComposeImageTile(Sector sector, String mimeType, Level level, int width, int height)
throws IOException {
super(sector, level, -1, -1); // row and column aren't used and need to signal that
this.width = width;
this.height = height;
this.file =
File.createTempFile(WWIO.DELETE_ON_EXIT_PREFIX, WWIO.makeSuffixForMimeType(mimeType));
}
/**
* Creates a Collada root for an untyped source. The source must be either a {@link File} or a
* {@link String} identifying either a file path or a {@link URL}. Null is returned if the source
* type is not recognized.
*
* @param docSource either a {@link File} or a {@link String} identifying a file path or {@link
* URL}.
* @return a new {@link ColladaRoot} for the specified source, or null if the source type is not
* supported.
* @throws IllegalArgumentException if the source is null.
* @throws IOException if an error occurs while reading the source.
*/
public static ColladaRoot create(Object docSource) throws IOException {
if (docSource == null) {
String message = Logging.getMessage("nullValue.DocumentSourceIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (docSource instanceof File) {
return new ColladaRoot((File) docSource);
} else if (docSource instanceof URL) {
return new ColladaRoot((URL) docSource);
} else if (docSource instanceof String) {
File file = new File((String) docSource);
if (file.exists()) return new ColladaRoot(file);
URL url = WWIO.makeURL(docSource);
if (url != null) return new ColladaRoot(url);
} else if (docSource instanceof InputStream) {
return new ColladaRoot((InputStream) docSource);
}
return null;
}
public DBaseFile(File file) {
if (file == null) {
String message = Logging.getMessage("nullValue.FileIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
this.file = file;
try {
this.header = this.readHeaderFromFile(file);
this.fields = this.readFieldsFromBuffer(this.header.fieldsHeaderBuffer);
// Delay records loading until getRecords() is called.
} catch (Exception e) {
String message = Logging.getMessage("SHP.ExceptionAttemptingToReadFile", file.getPath());
Logging.logger().log(java.util.logging.Level.SEVERE, message, e);
throw new WWRuntimeException(message, e);
}
}
public static VPFBufferedRecordData readTable(File file) {
if (file == null) {
String message = Logging.getMessage("nullValue.FileIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (!file.exists()) {
return null;
}
try {
VPFTableReader tableReader = new VPFTableReader();
return tableReader.read(file);
} catch (WWRuntimeException e) {
// Exception already logged by VPFTableReader.
return null;
}
}
