public void execute()

in src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDirectoryTask.java [63:139]
64 lines of code
16 McCabe index (conditional complexity)

    public void execute(final Archiver archiver) throws ArchiveCreationException {
        if (".".equals(outputDirectory)) {
            outputDirectory = "";
        } else if ("..".equals(outputDirectory)) {
            throw new ArchiveCreationException("Cannot add source directory: " + directory + " to archive-path: "
                    + outputDirectory + ". All paths must be within the archive root directory.");
        }

        final int oldDirMode = archiver.getOverrideDirectoryMode();
        final int oldFileMode = archiver.getOverrideFileMode();

        boolean fileModeSet = false;
        boolean dirModeSet = false;

        try {
            if (directoryMode != -1) {
                archiver.setDirectoryMode(directoryMode);
                dirModeSet = true;
            }

            if (fileMode != -1) {
                archiver.setFileMode(fileMode);
                fileModeSet = true;
            }

            if (directory.exists()) {
                List<String> directoryExcludes;
                if (excludes != null && !excludes.isEmpty()) {
                    directoryExcludes = new ArrayList<>(excludes);
                } else {
                    directoryExcludes = new ArrayList<>();
                }

                try {
                    String[] includesArray = null;
                    if (includes != null && !includes.isEmpty()) {
                        includesArray = new String[includes.size()];

                        int i = 0;
                        for (String include : includes) {
                            includesArray[i++] = normalize(include);
                        }
                    }

                    // this one is guaranteed to be non-null by code above.
                    final String[] excludesArray = new String[directoryExcludes.size()];

                    int i = 0;
                    for (String directoryExclude : directoryExcludes) {
                        excludesArray[i++] = normalize(directoryExclude);
                    }

                    final DefaultFileSet fs = new DefaultFileSet();
                    fs.setUsingDefaultExcludes(useDefaultExcludes);
                    fs.setPrefix(outputDirectory);
                    fs.setDirectory(directory);
                    fs.setIncludes(includesArray);
                    fs.setExcludes(excludesArray);
                    if (transformer != null) {
                        fs.setStreamTransformer(transformer);
                    }

                    archiver.addFileSet(fs);
                } catch (final ArchiverException e) {
                    throw new ArchiveCreationException("Error adding directory to archive: " + e.getMessage(), e);
                }
            }
        } finally {
            if (dirModeSet) {
                archiver.setDirectoryMode(oldDirMode);
            }

            if (fileModeSet) {
                archiver.setFileMode(oldFileMode);
            }
        }
    }