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Fixed null pointer exception

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This commit is contained in:
Pavol Zibrita 2012-09-26 18:27:51 +02:00
parent 80ad668b99
commit 5bbd882e47
1 changed files with 12 additions and 29 deletions
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41
DataExtractionOSM/src/net/osmand/data/Ring.java
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@ -111,39 +111,22 @@ public class Ring implements Comparable<Ring> {
if ((w.getNodes() == null || w.getNodes().size() == 0) &&
!unInitializedNodes) continue;
Way newWay = null;
Way addedTo = null;
// merge the Way w with the first borderway suitable;
// merge the Way w with the first borderway suitable, repeat until nothing can be merged
Way wayToMerge = w;
Way newWay;
do {
newWay = null;
for (Way borderWay : borderWays) {
newWay = combineTwoWaysIfHasPoints(w, borderWay);
newWay = combineTwoWaysIfHasPoints(wayToMerge, borderWay);
if(newWay != null) {
addedTo = borderWay;
wayToMerge = newWay;
borderWays.remove(borderWay);
break;
}
}
if (newWay == null) {
// no suitable borderWay has been found, add this way as one of the boundaries
borderWays.add(w);
} else {
// ways are combined, remove the original borderway
borderWays.remove(addedTo);
addedTo = null;
// search if it can be combined with something else
for (Way borderWay : borderWays) {
newWay = combineTwoWaysIfHasPoints(newWay, borderWay);
if(newWay != null) {
addedTo = borderWay;
}
}
if (addedTo != null) {
// newWay has enlarged a second time
borderWays.remove(addedTo);
}
// newWay is now a concatenation of 2 or 3 ways, needs to be added to the borderWays
borderWays.add(newWay);
}
} while (newWay != null);
//no suitable borderWay has been found, add this way as one of the boundaries
borderWays.add(wayToMerge);
}
if (borderWays.size() != 1) {