public DispatcherResult killDispatcherExecution(final String execId)
throws CentralDispatcherException {
final HashMap<String, String> params = new HashMap<String, String>();
params.put("id", execId);
params.put("xmlreq", "true");
// 2. send request via ServerService
final WebserviceResponse response;
try {
response = serverService.makeRundeckRequest(RUNDECK_KILL_JOB_PATH, params, null, null);
} catch (MalformedURLException e) {
throw new CentralDispatcherServerRequestException("Failed to make request", e);
}
final Envelope envelope = validateResponse(response);
final boolean result = envelope.isSuccessResult();
final StringBuffer sb = envelope.successMessages();
return new DispatcherResult() {
public boolean isSuccessful() {
return result;
}
public String getMessage() {
return sb.toString();
}
};
}
public static double diagonalSize(Envelope env) {
if (env.isNull()) return 0.0;
double width = env.getWidth();
double hgt = env.getHeight();
return Math.sqrt(width * width + hgt * hgt);
}
/**
* Find the innermost enclosing shell EdgeRing containing the argument EdgeRing, if any. The
* innermost enclosing ring is the <i>smallest</i> enclosing ring. The algorithm used depends on
* the fact that: <br>
* ring A contains ring B iff envelope(ring A) contains envelope(ring B) <br>
* This routine is only safe to use if the chosen point of the hole is known to be properly
* contained in a shell (which is guaranteed to be the case if the hole does not touch its shell)
*
* @return containing EdgeRing, if there is one or null if no containing EdgeRing is found
*/
public static EdgeRing findEdgeRingContaining(EdgeRing testEr, List shellList) {
LinearRing testRing = testEr.getRing();
Envelope testEnv = testRing.getEnvelopeInternal();
Coordinate testPt = testRing.getCoordinateN(0);
EdgeRing minShell = null;
Envelope minShellEnv = null;
for (Iterator it = shellList.iterator(); it.hasNext(); ) {
EdgeRing tryShell = (EdgeRing) it.next();
LinearRing tryShellRing = tryShell.getRing();
Envelope tryShellEnv = tryShellRing.getEnvelopeInternal();
// the hole envelope cannot equal the shell envelope
// (also guards against testing rings against themselves)
if (tryShellEnv.equals(testEnv)) continue;
// hole must be contained in shell
if (!tryShellEnv.contains(testEnv)) continue;
testPt =
CoordinateArrays.ptNotInList(testRing.getCoordinates(), tryShellRing.getCoordinates());
boolean isContained = false;
if (CGAlgorithms.isPointInRing(testPt, tryShellRing.getCoordinates())) isContained = true;
// check if this new containing ring is smaller than the current minimum ring
if (isContained) {
if (minShell == null || minShellEnv.contains(tryShellEnv)) {
minShell = tryShell;
minShellEnv = minShell.getRing().getEnvelopeInternal();
}
}
}
return minShell;
}
/**
* Fits screen to specified geometry bounds.
*
* @param aArea A geometry in geo coordinates space.
* @throws Exception
*/
public void fit(Geometry aArea) throws Exception {
Geometry bounds = aArea.getBoundary();
Envelope envBounds = bounds.getEnvelopeInternal();
Point2D.Double leftUpCorner = new Point2D.Double(envBounds.getMinX(), envBounds.getMinY());
Point2D.Double rightBottomCorner = new Point2D.Double(envBounds.getMaxX(), envBounds.getMaxY());
Point2D.Double cartlu = geo2Cartesian(leftUpCorner);
Point2D.Double cartrb = geo2Cartesian(rightBottomCorner);
double destWidth = Math.abs(cartrb.getX() - cartlu.getX());
double destHeight = Math.abs(cartrb.getY() - cartlu.getY());
Coordinate centre =
new Coordinate((cartrb.getX() + cartlu.getX()) / 2, (cartrb.getY() + cartlu.getY()) / 2);
Dimension size = getSize();
Point2D.Double screenLT = awtScreen2Cartesian(new Point(0, 0));
Point2D.Double screenBR = awtScreen2Cartesian(new Point(size.width, size.height));
double srcWidth = screenBR.x - screenLT.x;
double srcHeight = screenBR.y - screenLT.y;
double sx = srcWidth / destWidth;
double sy = srcHeight / destHeight;
double coef = Math.min(sx, sy);
coef = snapScale(coef);
scaleView(coef, coef, false);
Point2D.Double projectedScreenCenter = screen2Cartesian(new Point(0, 0));
translateView(projectedScreenCenter.x - centre.x, projectedScreenCenter.y - centre.y, true);
repaint();
}
/**
* Sends a message envelope on this socket
*
* @param envelope The message envelope
* @return This socket instance
* @throws IOException Thrown if the message cannot be sent
*/
public Socket push(final Envelope envelope) throws IOException {
LOG.log(Level.FINE, "Pushing envelope: {0}", envelope);
final ObjectNode node = objectMapper.createObjectNode();
node.put("topic", envelope.getTopic());
node.put("event", envelope.getEvent());
node.put("ref", envelope.getRef());
node.set(
"payload",
envelope.getPayload() == null ? objectMapper.createObjectNode() : envelope.getPayload());
final String json = objectMapper.writeValueAsString(node);
LOG.log(Level.FINE, "Sending JSON: {0}", json);
RequestBody body = RequestBody.create(WebSocket.TEXT, json);
if (this.isConnected()) {
try {
webSocket.sendMessage(body);
} catch (IllegalStateException e) {
LOG.log(Level.SEVERE, "Attempted to send push when socket is not open", e);
}
} else {
this.sendBuffer.add(body);
}
return this;
}
public DispatcherResult killDispatcherExecution(final String execId)
throws CentralDispatcherException {
final HashMap<String, String> params = new HashMap<String, String>();
final String rundeckApiKillJobPath =
substitutePathVariable(RUNDECK_API_KILL_JOB_PATH, "id", execId);
// 2. send request via ServerService
final WebserviceResponse response;
try {
response = serverService.makeRundeckRequest(rundeckApiKillJobPath, params, null, null);
} catch (MalformedURLException e) {
throw new CentralDispatcherServerRequestException("Failed to make request", e);
}
final Envelope envelope = validateResponse(response);
final Node result1 = envelope.doc.selectSingleNode("result");
final String abortStatus = result1.selectSingleNode("abort/@status").getStringValue();
final boolean result = !"failed".equals(abortStatus);
final StringBuffer sb = envelope.successMessages();
return new DispatcherResult() {
public boolean isSuccessful() {
return result;
}
public String getMessage() {
return sb.toString();
}
};
}
public MCIndexedPointInAreaLocator(Geometry g) {
areaGeom = g;
if (!(g instanceof Polygonal)) throw new IllegalArgumentException("Argument must be Polygonal");
buildIndex(g);
Envelope env = g.getEnvelopeInternal();
maxXExtent = env.getMaxX() + 1.0;
}
/**
* Creates a elliptical arc, as a LineString.
*
* @return an elliptical arc
*/
public LineString createArc(double startAng, double endAng) {
Envelope env = dim.getEnvelope();
double xRadius = env.getWidth() / 2.0;
double yRadius = env.getHeight() / 2.0;
double centreX = env.getMinX() + xRadius;
double centreY = env.getMinY() + yRadius;
double angSize = (endAng - startAng);
if (angSize <= 0.0 || angSize > 2 * Math.PI) angSize = 2 * Math.PI;
double angInc = angSize / nPts;
Coordinate[] pts = new Coordinate[nPts];
int iPt = 0;
for (int i = 0; i < nPts; i++) {
double ang = startAng + i * angInc;
double x = xRadius * Math.cos(ang) + centreX;
double y = yRadius * Math.sin(ang) + centreY;
Coordinate pt = new Coordinate(x, y);
geomFact.getPrecisionModel().makePrecise(pt);
pts[iPt++] = pt;
}
LineString line = geomFact.createLineString(pts);
return line;
}
private double getAreaEnlargement(Node indexNode, Node geomRootNode) {
Envelope before = getIndexNodeEnvelope(indexNode);
Envelope after = getLeafNodeEnvelope(geomRootNode);
after.expandToInclude(before);
return getArea(after) - getArea(before);
}
/** Compute the parameters need to create each cells */
private void initParameters() {
this.minX = envelope.getMinX();
this.minY = envelope.getMinY();
double cellWidth = envelope.getWidth();
double cellHeight = envelope.getHeight();
this.maxI = (int) Math.ceil(cellWidth / deltaX);
this.maxJ = (int) Math.ceil(cellHeight / deltaY);
}
private boolean addChild(Node parent, RelationshipType type, Node newChild) {
Envelope childEnvelope = getChildNodeEnvelope(newChild, type);
double[] childBBox =
new double[] {
childEnvelope.getMinX(), childEnvelope.getMinY(),
childEnvelope.getMaxX(), childEnvelope.getMaxY()
};
parent.createRelationshipTo(newChild, type);
return expandParentBoundingBoxAfterNewChild(parent, childBBox);
}
@Test
@Ignore
public void encodeCoordTransform() throws IOException {
final ByteArrayOutputStream stream = new ByteArrayOutputStream();
final SWFEncoder encoder = new SWFEncoder(stream);
final Context context = new Context();
// fixture = new Envelope(identifier, layer, transform);
assertEquals(encoded.length, fixture.prepareToEncode(context));
fixture.encode(encoder, context);
}
public double measure(Geometry g1, Geometry g2) {
double distance = DiscreteHausdorffDistance.distance(g1, g2, DENSIFY_FRACTION);
Envelope env = new Envelope(g1.getEnvelopeInternal());
env.expandToInclude(g2.getEnvelopeInternal());
double envSize = diagonalSize(env);
// normalize so that more similarity produces a measure closer to 1
double measure = 1 - distance / envSize;
// System.out.println("Hausdorff distance = " + distance + ", measure = " + measure);
return measure;
}
public String getFingerprint() {
try {
Envelope e = new Envelope("GETFPRINT");
e.addObject(nonce);
nonce++;
byte[] messageBytes = Envelope.toByteArray(e);
// send message to request host key's hash
output.writeObject(messageBytes);
// receive host key hash
e = Envelope.getEnvelopefromBytes((byte[]) input.readObject());
if (e.getMessage().equals("OK") && (Integer) e.getObjContents().get(2) == nonce) {
nonce++;
// check publicKey File for server and fingerprint match
// TODO
pubKey = (PublicKey) e.getObjContents().get(0);
return (String) e.getObjContents().get(1);
} else {
System.out.println("Nonce FAIL GETFPRINT");
disconnect();
return null;
}
} catch (ClassNotFoundException ex) {
Logger.getLogger(FileClient.class.getName()).log(Level.SEVERE, null, ex);
return null;
} catch (IOException ex) {
Logger.getLogger(FileClient.class.getName()).log(Level.SEVERE, null, ex);
return null;
}
}
public void disconnect() {
if (isConnected()) {
try {
Envelope message = new Envelope("DISCONNECT");
message.addObject(messageIndex);
output.writeObject(encryptCipher.doFinal(message.getBytes()));
sock.close();
sock = null;
} catch (Exception e) {
System.err.println("Error: " + e.getMessage());
e.printStackTrace(System.err);
}
}
}
public boolean shareAESkey() {
try {
Envelope message = null, e = null;
// Generate AES key
KeyGenerator keyGen = KeyGenerator.getInstance("AES");
AESkey = keyGen.generateKey();
keyGen = KeyGenerator.getInstance("HmacSHA1");
HMACkey = keyGen.generateKey();
byte[] keyBytes = AESkey.getEncoded();
byte[] hashBytes = HMACkey.getEncoded();
System.out.println("AES key generated");
System.out.println("HMAC key generated");
System.out.println("Begin Encryption...");
// Encrypt message w/ provided public key
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.ENCRYPT_MODE, pubKey);
byte[] cipherBytes = cipher.doFinal(keyBytes);
byte[] cipherBytes1 = cipher.doFinal(hashBytes);
System.out.println("Encryption Complete");
message = new Envelope("SKEY");
message.addObject(cipherBytes); // Add AESkey to message
message.addObject(cipherBytes1);
message.addObject(nonce);
nonce++;
byte[] messageBytes = Envelope.toByteArray(message);
output.writeObject(messageBytes);
byte[] inCipherBytes = (byte[]) input.readObject();
// Decrypt response
cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, AESkey);
byte[] responseBytes = cipher.doFinal(inCipherBytes);
Envelope response = Envelope.getEnvelopefromBytes(responseBytes);
// If server indicates success, return the member list
if (response.getMessage().equals("OK")
&& (Integer) response.getObjContents().get(0) == nonce) {
return true;
} else {
return false;
}
} catch (Exception e) {
System.err.println("Error: " + e.getMessage());
e.printStackTrace(System.err);
return false;
}
}
/* */ public InputStream getContentAsStream() throws IOException /* */ {
/* 272 */ if (this.source != null) {
/* 273 */ InputStream is = null;
/* */
/* 276 */ if (((this.source instanceof StreamSource)) && (!isFastInfoset())) {
/* 277 */ is = ((StreamSource) this.source).getInputStream();
/* */ }
/* 279 */ else if ((FastInfosetReflection.isFastInfosetSource(this.source))
&& (isFastInfoset()))
/* */ {
/* */ try
/* */ {
/* 284 */ is = FastInfosetReflection.FastInfosetSource_getInputStream(this.source);
/* */ }
/* */ catch (Exception e) {
/* 287 */ throw new IOException(e.toString());
/* */ }
/* */ }
/* */
/* 291 */ if (is != null) {
/* 292 */ if (lazyContentLength) {
/* 293 */ return is;
/* */ }
/* 295 */ if (!(is instanceof ByteInputStream)) {
/* 296 */ log.severe("SAAJ0546.soap.stream.incorrect.type");
/* 297 */ throw new IOException("Internal error: stream not of the right type");
/* */ }
/* 299 */ return (ByteInputStream) is;
/* */ }
/* */
/* */ }
/* */
/* 305 */ ByteOutputStream b = new ByteOutputStream();
/* */
/* 307 */ Envelope env = null;
/* */ try
/* */ {
/* 310 */ env = (Envelope) getEnvelope();
/* 311 */ env.output(b, isFastInfoset());
/* */ }
/* */ catch (SOAPException soapException) {
/* 314 */ log.severe("SAAJ0547.soap.cannot.externalize");
/* 315 */ throw new SOAPIOException(
"SOAP exception while trying to externalize: ", soapException);
/* */ }
/* */
/* 320 */ return b.newInputStream();
/* */ }
private Envelope.GridFile findFile(String path, Envelope env) {
for (Envelope.GridFile file : env.getFiles()) {
if (path.equals(file.getLfn())) {
return file;
}
}
return null;
}
@Override
public void init(final Envelope env) {
super.init(env);
if (env instanceof Envelope3D) {
this.minz = ((Envelope3D) env).getMinZ();
this.maxz = ((Envelope3D) env).getMaxZ();
}
}
/**
* Validate the response is in expected envlope form with <result> content.
*
* @param response response
* @return Envelope if format is correct and there is no error
* @throws CentralDispatcherException if the format is incorrect, or the Envelope indicates an
* error response.
*/
private Envelope validateResponse(final WebserviceResponse response)
throws CentralDispatcherException {
if (null == response) {
throw new CentralDispatcherServerRequestException("Response was null");
}
if (null != response.getResponseMessage()) {
logger.info("Response: " + response.getResponseMessage());
}
final Document resultDoc = response.getResultDoc();
if (null == resultDoc) {
throw new CentralDispatcherServerRequestException(
"Response content unexpectedly empty. "
+ (response.getResponseMessage() != null ? response.getResponseMessage() : ""));
}
try {
logger.debug(serialize(resultDoc));
} catch (IOException e) {
logger.debug("ioexception serializing result doc", e);
}
if (!"result".equals(resultDoc.getRootElement().getName())) {
throw new CentralDispatcherServerRequestException(
"Response had unexpected content: " + resultDoc);
}
final Envelope envelope = new Envelope(response.getResultDoc());
if (envelope.isErrorResult()) {
final StringBuffer sb = new StringBuffer();
final StringBuffer buffer = envelope.errorMessages();
if (sb.length() > 0) {
sb.append(buffer);
} else {
sb.append("Server reported an error");
if (null != response.getResponseMessage()) {
sb.append(": ").append(response.getResponseMessage());
}
}
if (null != response.getResponseMessage()) {
logger.error("Server reported an error: " + response.getResponseMessage());
} else {
logger.error("Server reported an error.");
}
throw new CentralDispatcherFailureResponseException(sb.toString());
}
return envelope;
}
/**
* Tests if the <code>Envelope other</code> lies wholely inside this <code>Envelope</code>
* (inclusive of the boundary).
*
* @param other the <code>Envelope</code> to check
* @return true if this <code>Envelope</code> covers the <code>other</code>
*/
@Override
public boolean covers(final Envelope other) {
if (isNull() || other.isNull()) {
return false;
}
if (!super.covers(other)) {
return false;
}
return getMinZOf(other) >= minz && getMaxZOf(other) <= maxz;
}
public void fit() throws Exception {
MapContent generalMapContext = getGeneralMapContext();
Dimension size = getSize();
Envelope projectedBounds = generalMapContext.getMaxBounds();
double destWidth = projectedBounds.getWidth();
double destHeight = projectedBounds.getHeight();
Coordinate centre = projectedBounds.centre();
Point2D.Double screenLT = awtScreen2Cartesian(new Point(0, 0));
Point2D.Double screenBR = awtScreen2Cartesian(new Point(size.width, size.height));
double srcWidth = screenBR.x - screenLT.x;
double srcHeight = screenBR.y - screenLT.y;
double sx = srcWidth / destWidth;
double sy = srcHeight / destHeight;
double coef = Math.min(sx, sy);
coef = snapScale(coef);
scaleView(coef, coef, false);
Point2D.Double projectedScreenCenter = screen2Cartesian(new Point(0, 0));
translateView(projectedScreenCenter.x - centre.x, projectedScreenCenter.y - centre.y, true);
repaint();
}
/**
* This version is used internally by ServerChannel to call send using a temporory mailAddress
* that is unowned.
*
* @param env the message to send
* @throws IllegateStateException if the address is not in the open state, or if the caller is not
* the "owner" of this MailboxAddress.
*/
void send0(Envelope env) throws AddressClosedException {
if (state == CLOSED) {
throw new AddressClosedException(this);
} else if (!mailbox.isOpen()) {
closeLocalState();
throw new AddressClosedException(this);
}
env.setAddresses(this);
mailbox.handleMessage(env);
}
/**
* Enlarges this <code>Envelope</code> so that it contains the <code>other</code> Envelope. Has no
* effect if <code>other</code> is wholly on or within the envelope.
*
* @param other the <code>Envelope</code> to expand to include
*/
@Override
public void expandToInclude(final Envelope other) {
if (other.isNull()) {
return;
}
double otherMinZ = getMinZOf(other);
double otherMaxZ = getMaxZOf(other);
if (isNull()) {
super.expandToInclude(other);
minz = otherMinZ;
maxz = otherMaxZ;
} else {
super.expandToInclude(other);
if (otherMinZ < minz) {
minz = otherMinZ;
}
if (otherMaxZ > maxz) {
maxz = otherMaxZ;
}
}
}
private int computeCollinearIntersection(
Coordinate p1, Coordinate p2, Coordinate q1, Coordinate q2) {
boolean p1q1p2 = Envelope.intersects(p1, p2, q1);
boolean p1q2p2 = Envelope.intersects(p1, p2, q2);
boolean q1p1q2 = Envelope.intersects(q1, q2, p1);
boolean q1p2q2 = Envelope.intersects(q1, q2, p2);
if (p1q1p2 && p1q2p2) {
intPt[0] = q1;
intPt[1] = q2;
return COLLINEAR_INTERSECTION;
}
if (q1p1q2 && q1p2q2) {
intPt[0] = p1;
intPt[1] = p2;
return COLLINEAR_INTERSECTION;
}
if (p1q1p2 && q1p1q2) {
intPt[0] = q1;
intPt[1] = p1;
return q1.equals(p1) && !p1q2p2 && !q1p2q2 ? POINT_INTERSECTION : COLLINEAR_INTERSECTION;
}
if (p1q1p2 && q1p2q2) {
intPt[0] = q1;
intPt[1] = p2;
return q1.equals(p2) && !p1q2p2 && !q1p1q2 ? POINT_INTERSECTION : COLLINEAR_INTERSECTION;
}
if (p1q2p2 && q1p1q2) {
intPt[0] = q2;
intPt[1] = p1;
return q2.equals(p1) && !p1q1p2 && !q1p2q2 ? POINT_INTERSECTION : COLLINEAR_INTERSECTION;
}
if (p1q2p2 && q1p2q2) {
intPt[0] = q2;
intPt[1] = p2;
return q2.equals(p2) && !p1q1p2 && !q1p1q2 ? POINT_INTERSECTION : COLLINEAR_INTERSECTION;
}
return NO_INTERSECTION;
}
/**
* Fix an IndexNode bounding box after a child has been removed
*
* @param indexNode
* @return true if something has changed
*/
private boolean adjustParentBoundingBox(Node indexNode, RelationshipType relationshipType) {
double[] old = null;
if (indexNode.hasProperty(INDEX_PROP_BBOX)) {
old = (double[]) indexNode.getProperty(INDEX_PROP_BBOX);
}
Envelope bbox = null;
Iterator<Relationship> iterator =
indexNode.getRelationships(relationshipType, Direction.OUTGOING).iterator();
while (iterator.hasNext()) {
Node childNode = iterator.next().getEndNode();
if (bbox == null) {
bbox = new Envelope(getChildNodeEnvelope(childNode, relationshipType));
} else {
bbox.expandToInclude(getChildNodeEnvelope(childNode, relationshipType));
}
}
if (bbox == null) {
// this could happen in an empty tree
bbox = new Envelope(0, 0, 0, 0);
}
if (old.length != 4
|| bbox.getMinX() != old[0]
|| bbox.getMinY() != old[1]
|| bbox.getMaxX() != old[2]
|| bbox.getMaxY() != old[3]) {
indexNode.setProperty(
INDEX_PROP_BBOX,
new double[] {bbox.getMinX(), bbox.getMinY(), bbox.getMaxX(), bbox.getMaxY()});
return true;
} else {
return false;
}
}
@Override
public void onMessage(final ResponseBody payload) throws IOException {
LOG.log(Level.FINE, "Envelope received: {0}", payload);
try {
if (payload.contentType() == WebSocket.TEXT) {
final Envelope envelope = objectMapper.readValue(payload.byteStream(), Envelope.class);
for (final Channel channel : channels) {
if (channel.isMember(envelope.getTopic())) {
channel.trigger(envelope.getEvent(), envelope);
}
}
for (final IMessageCallback callback : messageCallbacks) {
callback.onMessage(envelope);
}
}
} catch (IOException e) {
LOG.log(Level.SEVERE, "Failed to read message payload", e);
} finally {
payload.close();
}
}
private List<IMessageContext> generateMockMessageContext(int start, int count, Customer cust)
throws Exception {
final String indexFilePrefix = "INDEX";
final String contentFilePrefix = "CONTENT";
int time = (int) new Date().getTime();
List<IMessageContext> arr = new ArrayList<IMessageContext>();
for (int x = 0; x < count; x++) {
File indexFile = new File(m_tmpDir, indexFilePrefix + x + ".ftp");
File contentFile = new File(m_tmpDir, contentFilePrefix + x + ".ftp");
if (!indexFile.exists()) {
assertTrue("Failed to create index file.", indexFile.createNewFile());
}
if (!contentFile.exists()) {
assertTrue("Failed to create content file.", contentFile.createNewFile());
}
IMessageContext mock = new MessageContext(indexFile, contentFile);
Envelope lope = new Envelope();
lope.setMessageID("booga" + x + new Date().getTime());
lope.setReceivedDate(new Date());
lope.setSentDate(new Date());
lope.setSize(10);
lope.setCompressedSize(5);
lope.setSubject("Test");
lope.setRecipients("bleh");
lope.setSftpTimeMS(100);
lope.setSender("test2");
mock.setEnvelope(lope);
mock.setResolvedRecipients(new ArrayList<ReplicatedRecipient>());
mock.setCustomer(cust);
mock.setPartition(m_part);
mock.setInternalId(start + 1 + x);
arr.add(mock);
}
return arr;
}
/**
* Creates a circular {@link Polygon}.
*
* @return a circle
*/
public Polygon createCircle() {
Envelope env = dim.getEnvelope();
double xRadius = env.getWidth() / 2.0;
double yRadius = env.getHeight() / 2.0;
double centreX = env.getMinX() + xRadius;
double centreY = env.getMinY() + yRadius;
Coordinate[] pts = new Coordinate[nPts + 1];
int iPt = 0;
for (int i = 0; i < nPts; i++) {
double ang = i * (2 * Math.PI / nPts);
double x = xRadius * Math.cos(ang) + centreX;
double y = yRadius * Math.sin(ang) + centreY;
Coordinate pt = new Coordinate(x, y);
pts[iPt++] = pt;
}
pts[iPt] = pts[0];
LinearRing ring = geomFact.createLinearRing(pts);
Polygon poly = geomFact.createPolygon(ring, null);
return poly;
}
/**
* Computes the list of envelopes (from 2 to 4, possibily 0 if env covers this) resulting from the
* extrusion of env from this. Only in 2D for the moment. Does not return null envelopes.
*/
public List<Envelope> extrusion(final Envelope env) {
List<Envelope> list = new ArrayList();
double x1 = getMinX();
double x2 = getMaxX();
double y1 = getMinY();
double y2 = getMaxY();
double xx1 = env.getMinX();
double xx2 = env.getMaxX();
double yy1 = env.getMinY();
double yy2 = env.getMaxY();
if (x2 >= x1 && yy1 >= y1) {
list.add(new Envelope(x1, x2, y1, yy1));
}
if (xx1 >= x1 && y2 >= yy1) {
list.add(new Envelope(x1, xx1, yy1, y2));
}
if (x2 >= xx1 && y2 >= yy2) {
list.add(new Envelope(xx1, x2, yy2, y2));
}
if (x2 >= xx2 && yy2 >= yy1) {
list.add(new Envelope(xx2, x2, yy1, yy2));
}
return list;
}