private void addAncestors()

in src/main/java/com/atlassian/uwc/ui/ConverterEngine.java [971:1021]
50 lines of code
14 McCabe index (conditional complexity)

	private void addAncestors(Page page) {
		String ancestorDir = this.miscProperties.getProperty("page-history-load-as-ancestors-dir", null);
		if (ancestorDir == null) {
			log.warn("page-history-load-as-ancestors-dir must be set. Cannot add ancestors.");
			return;
		}
		String relPath = getPageRelativePath(page);
		if (!ancestorDir.endsWith(File.separator) && !relPath.startsWith(File.separator)) 
			ancestorDir += File.separator;
		String ancestorPath = ancestorDir + relPath;
		File dir = new File(ancestorPath);
		File[] allFiles = dir.listFiles();
		for (File file : allFiles) {
			String filename = file.getName();
			Page newPage = new VersionPage(file);
			newPage.setParent(page); 
			newPage = identifyHistoryOnePage(newPage, filename);
			if (newPage.getName() == null) continue;
			if (newPage.getName().equalsIgnoreCase(page.getName().replaceFirst("[.][^.]+$", ""))) {
				newPage.setName(page.getName()); //we need them to have the same name for latestversion to work
				log.debug("Found ancestor page: " + newPage.getFile().getPath());
				newPage.setPath(getPath(newPage.getFile().getPath()));
				page.addAncestor((VersionPage) newPage);
			}
		}
		Collections.sort(page.getAncestors());
		if (!page.getAncestors().isEmpty() &&
				Boolean.parseBoolean(this.miscProperties.getProperty("page-history-sortwithtimestamp", "false"))) {
			if (Boolean.parseBoolean(this.miscProperties.getProperty("page-history-load-as-ancestors-lastiscurrent", "false"))) {
				page.getAncestors().remove(page.getAncestors().lastElement());//remove the last ancestor if its the same as current
			}
			for (int i = 1; i < page.getAncestors().size(); i++) {
				VersionPage version = page.getAncestors().get(i);
				version.setVersion(version.getLatestVersion()+1);
			}
			page.setSortWithTimestamp(true); //affects sorting of collections of pages (including hierarchies)
		}
		if (this.miscProperties.containsKey("page-history-maxversions")) { //useful for debugging
			String maxString = this.miscProperties.getProperty("page-history-maxversions", null);
			int max = Integer.parseInt(maxString);
			if (max <= page.getAncestors().size()) {
				log.debug("number of ancestors: " + page.getAncestors().size());
				int actmax = page.getAncestors().size();
				for (int i = actmax-1; i >=max; i--) {
					page.getAncestors().remove(i);
				}
				log.debug("after limiting, number of ancestors: " + page.getAncestors().size());
			}
		}

	}