private ListValue constructListValue()

in taverna-server-webapp/src/main/java/org/apache/taverna/server/master/ContentsDescriptorBuilder.java [169:194]

• 26 lines of code
• 8 McCabe index (conditional complexity)

	private ListValue constructListValue(Directory dir, UriBuilder ub)
			throws FilesystemAccessException {
		ListValue v = new ListValue();
		v.length = 0;
		Set<DirectoryEntry> contents = new HashSet<>(dir.getContents());
		Iterator<DirectoryEntry> it = contents.iterator();
		while (it.hasNext())
			if (!it.next().getName().matches("^[0-9]+([.].*)?$"))
				it.remove();
		for (int i = 1; !contents.isEmpty(); i++) {
			String exact = Integer.toString(i);
			AbstractValue subval = constructValue(contents, ub, exact);
			v.contents.add(subval);
			if (!(subval instanceof AbsentValue)) {
				v.length = i;
				String pfx = i + ".";
				for (DirectoryEntry de : contents)
					if (de.getName().equals(exact)
							|| de.getName().startsWith(pfx)) {
						contents.remove(de);
						break;
					}
			}
		}
		return v;
	}