/**
* Convert the view to a constraint string suitable for use in a URL, except not URL encoded.
*
* @return constraint string
*/
public String toConstraintString() {
StringBuilder buf = new StringBuilder();
boolean first = true;
for (int i = 0; i < segments.size(); i++) {
Segment seg = segments.get(i);
if (!seg.var.isTopLevel()) continue;
if (!first) buf.append(";");
first = false;
dumpvar(seg, buf, true);
}
return buf.toString();
}
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append(var.getFQN());
buf.append(slices.toString());
if (this.filter != null) {
buf.append("|");
buf.append(filter.toString());
}
return buf.toString();
}
/**
* Recursive helper for tostring/toConstraintString
*
* @param seg
* @param buf
* @param forconstraint
*/
protected void dumpvar(Segment seg, StringBuilder buf, boolean forconstraint) {
if (seg.var.isTopLevel()) buf.append(seg.var.getFQN());
else buf.append(seg.var.getShortName());
List<DapDimension> dimset = seg.var.getDimensions();
// Add any slices
List<Slice> slices = seg.slices;
if (slices == null) dimset = new ArrayList<DapDimension>();
else assert dimset.size() == slices.size();
for (int i = 0; i < dimset.size(); i++) {
Slice slice = slices.get(i);
DapDimension dim = dimset.get(i);
try {
buf.append(forconstraint ? slice.toConstraintString() : slice.toString());
} catch (DapException de) {
}
}
// if the var is atomic, then we are done
if (seg.var.getSort() == DapSort.ATOMICVARIABLE) return;
// If structure and all fields are in the view, then done
if (seg.var.getSort() == DapSort.STRUCTURE || seg.var.getSort() == DapSort.SEQUENCE) {
if (!isWholeCompound((DapStructure) seg.var)) {
// Need to insert {...} and recurse
buf.append(LBRACE);
DapStructure struct = (DapStructure) seg.var;
boolean first = true;
for (DapVariable field : struct.getFields()) {
if (!first) buf.append(";");
first = false;
Segment fseg = findSegment(field);
dumpvar(fseg, buf, forconstraint);
}
buf.append(RBRACE);
}
if (seg.var.getSort() == DapSort.SEQUENCE && seg.filter != null) {
buf.append("|");
buf.append(seg.filter.toString());
}
}
}
