/**
* Writes out the current feature.
*
* @throws IOException
* @see org.geotools.data.FeatureWriter#write()
*/
public void write() throws IOException {
// DJB: I modified this so it doesnt throw an error if you
// do an update and you didnt actually change anything.
// (We do the work)
if ((live != null)) {
// We have a modification to record!
diff.modify(live.getID(), current);
ReferencedEnvelope bounds = new ReferencedEnvelope((CoordinateReferenceSystem) null);
bounds.include(live.getBounds());
bounds.include(current.getBounds());
fireNotification(FeatureEvent.FEATURES_CHANGED, bounds);
live = null;
current = null;
} else if ((live == null) && (current != null)) {
// We have new content to record
//
diff.add(current.getID(), current);
fireNotification(
FeatureEvent.FEATURES_ADDED, ReferencedEnvelope.reference(current.getBounds()));
current = null;
} else {
throw new IOException("No feature available to write");
}
}
public void write() throws IOException {
if (live == null) {
throw new IOException("No current feature to write");
}
if (live.equals(origional)) {
writeImplementation(origional);
} else {
writeImplementation(live);
if (origional != null) {
ReferencedEnvelope bounds = new ReferencedEnvelope();
bounds.include(live.getBounds());
bounds.include(origional.getBounds());
store.listenerManager.fireFeaturesChanged(
live.getFeatureType().getTypeName(), Transaction.AUTO_COMMIT, bounds, false);
} else {
store.listenerManager.fireFeaturesAdded(
live.getFeatureType().getTypeName(),
Transaction.AUTO_COMMIT,
ReferencedEnvelope.reference(live.getBounds()),
false);
}
}
origional = null;
live = null;
}
/**
* Computes the aggregated bounds of {@code features}, assuming all of them are in the same CRS
*/
public ReferencedEnvelope boundsOf(Feature... features) {
ReferencedEnvelope bounds = null;
for (int i = 0; i < features.length; i++) {
Feature f = features[i];
if (bounds == null) {
bounds = (ReferencedEnvelope) f.getBounds();
} else {
bounds.include(f.getBounds());
}
}
return bounds;
}
/** Computes the aggregated bounds of {@code features} in the {@code targetCrs} */
public ReferencedEnvelope boundsOf(CoordinateReferenceSystem targetCrs, Feature... features)
throws Exception {
ReferencedEnvelope bounds = new ReferencedEnvelope(targetCrs);
for (int i = 0; i < features.length; i++) {
Feature f = features[i];
BoundingBox fbounds = f.getBounds();
if (!CRS.equalsIgnoreMetadata(targetCrs, fbounds)) {
fbounds = fbounds.toBounds(targetCrs);
}
bounds.include(fbounds);
}
return bounds;
}
