public void doRssChangelog()

in core/src/main/java/hudson/model/Job.java [1078:1146]
60 lines of code
8 McCabe index (conditional complexity)

    public void doRssChangelog(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
        class FeedItem {
            ChangeLogSet.Entry e;
            int idx;

            public FeedItem(ChangeLogSet.Entry e, int idx) {
                this.e = e;
                this.idx = idx;
            }

            Run<?, ?> getBuild() {
                return e.getParent().build;
            }
        }

        List<FeedItem> entries = new ArrayList<>();
        String scmDisplayName = "";
        if (this instanceof SCMTriggerItem) {
            SCMTriggerItem scmItem = (SCMTriggerItem) this;
            List<String> scmNames = new ArrayList<>();
            for (SCM s : scmItem.getSCMs()) {
                scmNames.add(s.getDescriptor().getDisplayName());
            }
            scmDisplayName = " " + Util.join(scmNames, ", ");
        }

        for (RunT r = getLastBuild(); r != null; r = r.getPreviousBuild()) {
            int idx = 0;
            if (r instanceof RunWithSCM) {
                for (ChangeLogSet<? extends ChangeLogSet.Entry> c : ((RunWithSCM<?,?>) r).getChangeSets()) {
                    for (ChangeLogSet.Entry e : c) {
                        entries.add(new FeedItem(e, idx++));
                    }
                }
            }
        }
        RSS.forwardToRss(
                getDisplayName() + scmDisplayName + " changes",
                getUrl() + "changes",
                entries, new FeedAdapter<FeedItem>() {
                    public String getEntryTitle(FeedItem item) {
                        return "#" + item.getBuild().number + ' ' + item.e.getMsg() + " (" + item.e.getAuthor() + ")";
                    }

                    public String getEntryUrl(FeedItem item) {
                        return item.getBuild().getUrl() + "changes#detail" + item.idx;
                    }

                    public String getEntryID(FeedItem item) {
                            return getEntryUrl(item);
                        }

                    public String getEntryDescription(FeedItem item) {
                        StringBuilder buf = new StringBuilder();
                        for (String path : item.e.getAffectedPaths())
                            buf.append(path).append('\n');
                        return buf.toString();
                    }

                    public Calendar getEntryTimestamp(FeedItem item) {
                            return item.getBuild().getTimestamp();
                        }

                    public String getEntryAuthor(FeedItem entry) {
                        return JenkinsLocationConfiguration.get().getAdminAddress();
                    }
                },
                req, rsp);
    }