// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions.upload;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import org.openstreetmap.josm.data.osm.Relation;
public class CyclicUploadDependencyException extends Exception {
private final Stack<Relation> cycle;
public CyclicUploadDependencyException(Stack<Relation> cycle) {
this.cycle = cycle;
}
protected String formatRelation(Relation r) {
StringBuilder sb = new StringBuilder();
if (r.getName() != null) {
sb.append('\'').append(r.getName()).append('\'');
} else if (!r.isNew()) {
sb.append(r.getId());
} else {
sb.append("relation@").append(r.hashCode());
}
return sb.toString();
}
@Override
public String getMessage() {
StringBuilder sb = new StringBuilder();
sb.append(tr("Cyclic dependency between relations:"))
.append('[');
for (int i = 0; i < cycle.size(); i++) {
if (i > 0) {
sb.append(',');
}
sb.append(formatRelation(cycle.get(i)));
}
sb.append(']');
return sb.toString();
}
public List<Relation> getCyclicUploadDependency() {
return new ArrayList<>(cycle);
}
}