public boolean update()

in taverna-update-impl/src/main/java/org/apache/taverna/update/impl/UpdateManagerImpl.java [118:166]
45 lines of code
6 McCabe index (conditional complexity)

	public boolean update() throws UpdateException {
		if (updateAvailable) {
			ApplicationProfile applicationProfile = applicationConfiguration.getApplicationProfile();
			Updates updates = applicationProfile.getUpdates();
			URI profileURL;
			try {
				URI updateSiteURI = new URI(updates.getUpdateSite());
				profileURL = updateSiteURI.resolve(latestVersion.getFile());
			} catch (URISyntaxException e) {
				throw new UpdateException(String.format("Update site URL (%s) is not a valid URL",
						updates.getUpdateSite()), e);
			}

			File updateDirectory = applicationConfiguration.getApplicationHomeDir().resolve(
					"updates").toFile();
			updateDirectory.mkdirs();
			File latestProfileFile = new File(updateDirectory, "ApplicationProfile-"
					+ latestVersion.getVersion() + ".xml");
			try {
				downloadManager.download(profileURL, latestProfileFile.toPath(), DIGEST_ALGORITHM);
			} catch (DownloadException e) {
				throw new UpdateException(String.format("Error downloading %1$s",
						profileURL), e);
			}

			ApplicationProfile latestProfile;
			try {
				latestProfile = (ApplicationProfile) unmarshaller.unmarshal(latestProfileFile);
			} catch (JAXBException e) {
				throw new UpdateException(String.format("Error reading %s",
						latestProfileFile.getName()), e);
			}

			Set<BundleInfo> requiredBundles = getRequiredBundles(
					applicationConfiguration.getApplicationProfile(), latestProfile);
			downloadBundles(latestProfile, requiredBundles, applicationConfiguration.getStartupDir().resolve("lib").toFile());
			File applicationProfileFile = applicationConfiguration.getStartupDir().resolve("ApplicationProfile.xml").toFile();
			try {
				FileUtils.copyFile(latestProfileFile, applicationProfileFile);
			} catch (IOException e) {
				throw new UpdateException(String.format("Error copying %1$s to %2$s",
						latestProfileFile.getName(), applicationProfileFile.getName()), e);
			}
//			eventAdmin.postEvent(new Event("UpdateManagerEvent", new HashMap()));
			updateAvailable = false;
			return true;
		}
		return false;
	}