private Mojo lookupMojo()

in maven-plugin-testing-harness/src/main/java/org/apache/maven/api/plugin/testing/MojoExtension.java [158:190]
33 lines of code
6 McCabe index (conditional complexity)

    private Mojo lookupMojo(
            Class<?> holder, InjectMojo injectMojo, List<MojoParameter> mojoParameters, PluginDescriptor descriptor)
            throws Exception {
        String goal = injectMojo.goal();
        String pom = injectMojo.pom();
        String[] coord = mojoCoordinates(goal);
        Xpp3Dom pomDom;
        if (pom.startsWith("file:")) {
            Path path = Paths.get(getBasedir()).resolve(pom.substring("file:".length()));
            pomDom = Xpp3DomBuilder.build(ReaderFactory.newXmlReader(path.toFile()));
        } else if (pom.startsWith("classpath:")) {
            URL url = holder.getResource(pom.substring("classpath:".length()));
            if (url == null) {
                throw new IllegalStateException("Unable to find pom on classpath: " + pom);
            }
            pomDom = Xpp3DomBuilder.build(ReaderFactory.newXmlReader(url.openStream()));
        } else if (pom.contains("<project>")) {
            pomDom = Xpp3DomBuilder.build(new StringReader(pom));
        } else {
            Path path = Paths.get(getBasedir()).resolve(pom);
            pomDom = Xpp3DomBuilder.build(ReaderFactory.newXmlReader(path.toFile()));
        }
        XmlNode pluginConfiguration = extractPluginConfiguration(coord[1], pomDom);
        if (!mojoParameters.isEmpty()) {
            List<XmlNode> children = mojoParameters.stream()
                    .map(mp -> new XmlNodeImpl(mp.name(), mp.value()))
                    .collect(Collectors.toList());
            XmlNode config = new XmlNodeImpl("configuration", null, null, children, null);
            pluginConfiguration = XmlNode.merge(config, pluginConfiguration);
        }
        Mojo mojo = lookupMojo(coord, pluginConfiguration, descriptor);
        return mojo;
    }