private void computeImportPackage()

in src/main/java/org/apache/jackrabbit/filevault/maven/packaging/mojo/GenerateMetadataMojo.java [788:855]
64 lines of code
17 McCabe index (conditional complexity)

    private void computeImportPackage() throws IOException {
        TreeMap<String, Attrs> importParams = new TreeMap<>();
        if (generatedImportPackage.exists()) {
            String importPackageStr = FileUtils.fileRead(generatedImportPackage);
            if (importPackageStr.length() > 0) {
                importParams.putAll(new Parameters(importPackageStr));
            }
        }

        // override computed patterns
        if (importPackage != null) {
            getLog().debug("merging analyzer-packages with:\n" + importPackage + "\n");
            for (Map.Entry<String, Attrs> entry : new Parameters(importPackage).entrySet()) {
                boolean delete = false;
                String pkg = entry.getKey();
                if ("-*".equals(pkg)) {
                    importParams.clear();
                    continue;
                }
                if (pkg.charAt(0) == '-') {
                    pkg = pkg.substring(1);
                    delete = true;
                }
                if (pkg.endsWith("*")) {
                    String pkgDot = pkg.substring(0, pkg.length() - 1);
                    if (!pkgDot.endsWith(".")) {
                        // matches both, the packages and sub packages
                        pkg = pkgDot;
                        pkgDot = pkg + ".";
                    }
                    Iterator<Map.Entry<String, Attrs>> iter = importParams.entrySet().iterator();
                    while (iter.hasNext()) {
                        Map.Entry<String, Attrs> e = iter.next();
                        String pkgName = e.getKey();
                        if (pkgName.equals(pkg) || pkgName.startsWith(pkgDot)) {
                            if (delete) {
                                iter.remove();
                            } else {
                                e.setValue(entry.getValue());
                            }
                        }
                    }
                } else {
                    if (delete) {
                        importParams.remove(pkg);
                    } else {
                        importParams.put(pkg, entry.getValue());
                    }
                }
            }
        }
        importPackage = Processor.printClauses(importParams);

        if (!importPackage.isEmpty()) {
            getLog().info("Merged detected packages from analyzer with 'importPackage':");
            for (Map.Entry<String, Attrs> e: importParams.entrySet()) {
                StringBuilder report = new StringBuilder();
                report.append("  ").append(e.getKey());
                try {
                    Processor.printClause(e.getValue(), report);
                } catch (IOException e1) {
                    throw new IllegalStateException("Internal error while generating report", e1);
                }
                getLog().info(report);
            }
            getLog().info("");
        }
    }