public void execute()

in versioning/versioning-plugin/src/main/java/org/apache/aries/versioning/mojo/VersionCheckerMojo.java [93:160]
63 lines of code
18 McCabe index (conditional complexity)

    public void execute() throws MojoExecutionException {
        if (skip) {
            getLog().info("Version check is skipped");
            return;
        }
        if ("pom".equals(project.getPackaging())) {
            getLog().info("Skipping version check for pom");
            return;
        }
        if (newFile == null) {
            newFile = project.getArtifact().getFile();
        }
        if (oldArtifact != null) {
            try {
                BundleInfo newBundle = getBundleInfo(newFile);
                if (newBundle == null || newBundle.getBundleManifest() == null) {
                    //not a bundle type, just return
                    getLog().info(newFile + " is not an OSGi bundle, skipping.");
                    return;
                }
                if (null == newBundle.getBundleManifest().getManifestVersion()
                    && null == newBundle.getBundleManifest().getSymbolicName()
                    && Version.emptyVersion.equals(newBundle.getBundleManifest().getVersion())) {
                    //not a bundle type, just return
                    getLog().info(newFile + " is not an OSGi bundle, skipping.");
                    return;
                }

                BundleInfo oldBundle = getBundleInfo(resolve(oldArtifact));
                String bundleSymbolicName = newBundle.getBundleManifest().getSymbolicName();
                URLClassLoader oldClassLoader = new URLClassLoader(new URL[] {oldBundle.getBundle().toURI()
                    .toURL()});
                URLClassLoader newClassLoader = new URLClassLoader(new URL[] {newBundle.getBundle().toURI()
                    .toURL()});
                BundleCompatibility bundleCompatibility = new BundleCompatibility(bundleSymbolicName,
                                                                                  newBundle, oldBundle,
                                                                                  oldClassLoader,
                                                                                  newClassLoader,
                                                                                  excludes);
                bundleCompatibility.invoke();
                String bundleElement = bundleCompatibility.getBundleElement();
                String pkgElement = bundleCompatibility.getPkgElements().toString();
                
                boolean failed = false;
                if ((bundleElement != null) && (bundleElement.trim().length() > 0)) {
                    getLog().error(bundleElement + "\r\n");
                    failed = true;
                }
                if ((pkgElement != null) && (pkgElement.trim().length() > 0)) {
                    getLog().error(pkgElement);
                    failed = true;
                }

                if (writePackageinfos) {
                    writePackageInfos(bundleCompatibility);
                }
                if (failed) {
                    throw new RuntimeException("Semantic Versioning incorrect");
                } else {
                    getLog().info("All package or bundle versions are semanticly versioned correctly.");
                }
            } catch (MalformedURLException e) {
                throw new MojoExecutionException("Problem analyzing sources");
            } catch (IOException e) {
                throw new MojoExecutionException("Problem analyzing sources");
            }
        }
    }