/**
* Initializes this object from the given properties
*
* @param props the <code>Properties</code> holding settings for this object
*/
public void setProperties(String prefix, Properties props) {
if (Debug.debugging("areas")) {
Debug.output("AreaHandler: setting properties");
}
setPropertyPrefix(prefix);
originalProperties = props;
// These will get initialized when someone asks for it.
// Otherwise, it delays the startup of the map.
politicalAreas = null;
String realPrefix = PropUtils.getScopedPropertyPrefix(prefix);
String transClassName = props.getProperty(realPrefix + ShapeLayer.TransformProperty);
if (transClassName != null) {
try {
coordTransform =
(GeoCoordTransformation)
ComponentFactory.create(
transClassName, realPrefix + ShapeLayer.TransformProperty, props);
} catch (ClassCastException cce) {
}
}
}
/**
* The method needs more information from the properties than the CodePosition version of this
* method provides, like getting the base symbol code for the scheme and the hierarchy addition.
*/
public CodePosition addPositionChoice(int index, String entry, String prefix, Properties props) {
CodeScheme cs = (CodeScheme) super.addPositionChoice(index, entry, prefix, props);
prefix = PropUtils.getScopedPropertyPrefix(prefix) + entry + ".";
String next = props.getProperty(prefix + NextProperty);
if (next != null) {
String nextClassName = props.getProperty(next + ".class");
if (nextClassName != null) {
CodePosition cp = (CodePosition) ComponentFactory.create(nextClassName);
if (DEBUG) {
Debug.output("CodeScheme created next class(" + next + "), " + nextClassName);
}
if (cp != null) {
cs.nextPosition = cp;
cp.parsePositions(next, props);
}
} else {
if (DEBUG) {
Debug.output("CodeScheme couldn't create next class(" + next + "), " + nextClassName);
}
}
}
cs.defaultSymbolCode = props.getProperty(prefix + DefaultSymbolCodeProperty);
cs.hierarchyAddition = props.getProperty(prefix + HierarchyCodeAdditionProperty, "");
// Don't need to add to choices, already done in super class
// method.
return cs;
}