private static LicenseHeaderInfo readLicenseHeader(ConfigTree licenseNode) { if (licenseNode == null) { return null; } String name = licenseNode.getChildTree(CONFIG_KEY_NAME).getValue(null); if (name == null) { return null; } Path licenseTemplate = CommonProperties.tryReadFilePath(licenseNode.getChildTree(CONFIG_KEY_FILE).getValue(null)); Map<String, String> properties = new HashMap<>(); List<ConfigTree> propertyNodes = licenseNode.getChildTrees(CONFIG_KEY_PROPERTY); for (ConfigTree propertyNode : propertyNodes) { String propertyName = propertyNode.getChildTree(CONFIG_KEY_PROPERTY_NAME).getValue(null); String properyValue = propertyNode.getValue(null); if (propertyName != null && properyValue != null) { properties.put(propertyName.trim(), properyValue.trim()); } } return new LicenseHeaderInfo(name.trim(), properties, licenseTemplate); }