public void execute()

in src/main/org/apache/ant/dotnet/wix/WixTask.java [233:274]
37 lines of code
13 McCabe index (conditional complexity)

    public void execute() {
        if (source == null && sources.size() == 0) {
            throw new BuildException("You must specify at least one source"
                                     + " file.");
        }

        if (source != null && !source.exists()) {
            throw new BuildException("Source file " + source
                                     + " doesn't exist.");
        }

        String m = Mode.BOTH;
        if (mode != null) {
            m = mode.getValue();
        }

        if (target == null && !m.equals(Mode.CANDLE)) {
            throw new BuildException("You must specify the target if you want"
                                     + " to run light.");
        }

        Collection lightSources = null;
        if (!m.equals(Mode.LIGHT)) {
            lightSources = doCandle();
        } else {
            lightSources = new HashSet();
            if (source != null) {
                lightSources.add(source);
            }
            if (sources.size() > 0) {
                lightSources.addAll(grabFiles(sources));
            }
        }

        if (!m.equals(Mode.CANDLE)) {
            Collection moreLightSources = Collections.EMPTY_SET;
            if (moreSources.size() > 0) {
                moreLightSources = grabFiles(moreSources);
            }
            doLight(lightSources, moreLightSources);
        }
    }