public void testMaliciousGetIcons() {
Iterable<WWIcon> icons = createExampleIterable();
IconLayer layer = new IconLayer();
layer.addIcons(icons);
Iterable<WWIcon> layerIcons = layer.getIcons();
// Test that the returned list cannot be modified.
try {
if (layerIcons instanceof java.util.Collection) {
java.util.Collection<WWIcon> collection = (java.util.Collection<WWIcon>) layerIcons;
collection.clear();
} else {
java.util.Iterator<WWIcon> iter = layerIcons.iterator();
while (iter.hasNext()) {
iter.next();
iter.remove();
}
}
} catch (UnsupportedOperationException e) {
e.printStackTrace();
}
// Test that the layer contents do not change, even if the returned list can be modified.
assertEquals("", icons, layerIcons);
}
/**
* Generate the positions required to draw the line.
*
* @param dc Current draw context.
* @param positions Positions that define the polygon boundary.
*/
@Override
protected void generateIntermediatePositions(
DrawContext dc, Iterable<? extends Position> positions) {
Globe globe = dc.getGlobe();
boolean useDefaultWaveLength = false;
double waveLength = this.getWaveLength();
if (waveLength == 0) {
waveLength = this.computeDefaultWavelength(positions, globe);
useDefaultWaveLength = true;
}
// Generate lines that parallel the control line.
List<Position> leftPositions = new ArrayList<Position>();
List<Position> rightPositions = new ArrayList<Position>();
this.generateParallelLines(
positions.iterator(), leftPositions, rightPositions, waveLength / 2.0, globe);
if (useDefaultWaveLength) waveLength = this.computeDefaultWavelength(leftPositions, globe);
double radius = (waveLength) / 2.0;
// Generate wavy line to the left of the control line.
PositionIterator iterator = new PositionIterator(leftPositions, waveLength, globe);
this.computedPositions =
this.generateWavePositions(iterator, radius / globe.getRadius(), false);
this.path.setPositions(this.computedPositions);
if (useDefaultWaveLength) waveLength = this.computeDefaultWavelength(rightPositions, globe);
radius = (waveLength) / 2.0;
// Generate wavy line to the right of the control line.
iterator = new PositionIterator(rightPositions, waveLength, globe);
this.path2.setPositions(this.generateWavePositions(iterator, radius / globe.getRadius(), true));
}
/**
* {@inheritDoc}
*
* @param positions Control points. This graphic uses only two control point, which determine the
* midpoints of two opposite sides of the quad. See Fire Support Area (2.X.4.3.2.1.2) on pg.
* 652 of MIL-STD-2525C for an example of how these points are interpreted.
*/
public void setPositions(Iterable<? extends Position> positions) {
if (positions == null) {
String message = Logging.getMessage("nullValue.PositionsListIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
Iterator<? extends Position> iterator = positions.iterator();
try {
Position pos1 = iterator.next();
Position pos2 = iterator.next();
LatLon center = LatLon.interpolateGreatCircle(0.5, pos1, pos2);
this.quad.setCenter(center);
Angle heading = LatLon.greatCircleAzimuth(pos2, pos1);
this.quad.setHeading(heading.subtract(Angle.POS90));
this.positions = positions;
this.shapeInvalid = true; // Need to recompute quad size
} catch (NoSuchElementException e) {
String message = Logging.getMessage("generic.InsufficientPositions");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
}
/**
* {@inheritDoc}
*
* @param positions Control points that orient the graphic. Must provide at least three points.
*/
public void setPositions(Iterable<? extends Position> positions) {
if (positions == null) {
String message = Logging.getMessage("nullValue.PositionsListIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
try {
Iterator<? extends Position> iterator = positions.iterator();
this.position1 = iterator.next();
this.position2 = iterator.next();
this.position3 = iterator.next();
} catch (NoSuchElementException e) {
String message = Logging.getMessage("generic.InsufficientPositions");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
this.paths = null; // Need to recompute path for the new control points
this.arrowHead1 = null;
this.arrowHead2 = null;
if (this.symbol != null) {
this.symbol.setPosition(this.position1);
}
}
/**
* {@inheritDoc}
*
* <p>The dummy graphic requires exactly three control points. Any positions beyond the first
* three will be ignored.
*
* @throws IllegalArgumentException if less than three control points are provided.
*/
public void setPositions(Iterable<? extends Position> positions) {
if (positions == null) {
String message = Logging.getMessage("nullValue.PositionsListIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
try {
Iterator<? extends Position> iterator = positions.iterator();
Position pt1 = iterator.next();
Position pt2 = iterator.next();
Position pt3 = iterator.next();
this.path.setPositions(Arrays.asList(pt2, pt1, pt3));
} catch (NoSuchElementException e) {
String message = Logging.getMessage("generic.InsufficientPositions");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
}
/**
* {@inheritDoc}
*
* @param positions Control points. This graphic uses only one control point, which determines the
* center of the circle.
*/
public void setPositions(Iterable<? extends Position> positions) {
if (positions == null) {
String message = Logging.getMessage("nullValue.PositionsListIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
try {
// Ensure that the iterable provides at least four positions.
Iterator<? extends Position> iterator = positions.iterator();
for (int i = 0; i < 3; i++) {
iterator.next();
}
} catch (NoSuchElementException e) {
String message = Logging.getMessage("generic.InsufficientPositions");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
this.positions = positions;
this.rings = null;
}
