protected String constructConfLink()

in src/main/java/com/atlassian/uwc/converters/jive/InternalLinkConverter.java [89:145]
47 lines of code
22 McCabe index (conditional complexity)

	protected String constructConfLink(String params, String alias) {
		String titleParam = getParamValue(params, title);
		if (alias == null || "".equals(alias)) {
			if (titleParam != null) alias = titleParam;
		}
		if (alias == null) alias = "";

		//default target is href param
		String hrefParam = getParamValue(params, href);
		String target = hrefParam;
		
		//deal with links that use relative urls
		String sourcedomain = getSourceDomain();
		String jiveinternalParam = getParamValue(params, jiveinternal);
		if (Boolean.parseBoolean(jiveinternalParam)) {
			if (sourcedomain == null) {
				log .error("Please configure the internaljivedomain property to be the http url of your source.");
				sourcedomain = "";
			}
			if (target != null) {
				if (!target.startsWith("http")) target = sourcedomain + target;
			}
		}
		
		//deal with links that use defaultattr to identify target
		String defaultattrParam = getParamValue(params, defaultattr);
		String jivemacronameParam = getParamValue(params, jivemacroname);
		if (defaultattrParam != null && jivemacronameParam != null) { //if we've migrated this particular title objid
			target = getTitleFromMap(defaultattrParam, jivemacronameParam);
		}
		if ((target == null || "".equals(target)) && defaultattrParam != null) {
			String uripart = getUriPart(jivemacronameParam);
			target = sourcedomain + uripart + defaultattrParam;
		}
		if (hrefParam != null) {
			Matcher linkidFinder = linkid.matcher(hrefParam);
			if (hrefParam.startsWith("/") && linkidFinder.find()) {
				String type = linkidFinder.group(1);
				String id = linkidFinder.group(2);
				String tmptarget = getTitleFromMap(id, type);
				if (tmptarget != null) target = tmptarget;
			}
		}

		//finish cleaning up alias
		alias = alias.trim();
		alias = removeHtmlTags(alias);
		if (target == null && alias != null) target = alias; //this can happen!
		if (alias.equals(target)) alias = "";
		if (!"".equals(alias)) alias += "|"; //add alias delim
		
		//build confluence link
		String replacement = "[" + alias + target + "]";
		log.debug("URLREPORT: fromhref='" + hrefParam + "'\tdefaultattr='" + defaultattrParam + "'\t" +
				"tohref='" + target + "'\talias='" + alias + "'");
		return replacement;
	}