public ReleaseResult execute()

in maven-release-manager/src/main/java/org/apache/maven/shared/release/phase/ScmCheckModificationsPhase.java [92:182]
70 lines of code
14 McCabe index (conditional complexity)

    public ReleaseResult execute(
            ReleaseDescriptor releaseDescriptor,
            ReleaseEnvironment releaseEnvironment,
            List<MavenProject> reactorProjects)
            throws ReleaseExecutionException, ReleaseFailureException {
        ReleaseResult relResult = new ReleaseResult();

        List<String> additionalExcludes = releaseDescriptor.getCheckModificationExcludes();

        if (additionalExcludes != null) {
            // SelectorUtils expects OS-specific paths and patterns
            for (String additionalExclude : additionalExcludes) {
                exclusionPatterns.add(
                        additionalExclude.replace("\\", File.separator).replace("/", File.separator));
            }
        }

        logInfo(relResult, "Verifying that there are no local modifications...");
        logInfo(relResult, "  ignoring changes on: " + StringUtils.join(exclusionPatterns.toArray(), ", "));

        ScmRepository repository;
        ScmProvider provider;
        try {
            repository = scmRepositoryConfigurator.getConfiguredRepository(
                    releaseDescriptor, releaseEnvironment.getSettings());

            provider = scmRepositoryConfigurator.getRepositoryProvider(repository);
        } catch (ScmRepositoryException e) {
            throw new ReleaseScmRepositoryException(
                    e.getMessage() + " for URL: " + releaseDescriptor.getScmSourceUrl(), e.getValidationMessages());
        } catch (NoSuchScmProviderException e) {
            throw new ReleaseExecutionException("Unable to configure SCM repository: " + e.getMessage(), e);
        }

        StatusScmResult result;
        try {
            result = provider.status(repository, new ScmFileSet(new File(releaseDescriptor.getWorkingDirectory())));
        } catch (ScmException e) {
            throw new ReleaseExecutionException(
                    "An error occurred during the status check process: " + e.getMessage(), e);
        }

        if (!result.isSuccess()) {
            throw new ReleaseScmCommandException("Unable to check for local modifications", result);
        }

        List<ScmFile> changedFiles = result.getChangedFiles();

        if (!changedFiles.isEmpty()) {
            ScmTranslator scmTranslator = scmTranslators.get(repository.getProvider());

            // TODO: would be nice for SCM status command to do this for me.
            for (Iterator<ScmFile> i = changedFiles.iterator(); i.hasNext(); ) {
                ScmFile f = i.next();

                String path;
                if (scmTranslator != null) {
                    path = scmTranslator.toRelativePath(f.getPath());
                } else {
                    path = f.getPath();
                }

                // SelectorUtils expects File.separator, don't standardize!
                String fileName = path.replace("\\", File.separator).replace("/", File.separator);

                for (String exclusionPattern : exclusionPatterns) {
                    if (SelectorUtils.matchPath(exclusionPattern, fileName)) {
                        logDebug(relResult, "Ignoring changed file: " + fileName);
                        i.remove();
                        break;
                    }
                }
            }
        }

        if (!changedFiles.isEmpty()) {
            StringBuilder message = new StringBuilder();

            for (ScmFile file : changedFiles) {
                message.append(file.toString());
                message.append("\n");
            }

            throw new ReleaseFailureException(
                    "Cannot prepare the release because you have local modifications : \n" + message);
        }

        relResult.setResultCode(ReleaseResult.SUCCESS);

        return relResult;
    }