PropertiesPlatformConfig.java 文件源码

public static void writeXml(Path configDir, Path xmlFile) throws IOException, XMLStreamException {
    XMLOutputFactory output = XMLOutputFactory.newInstance();
    try (Writer writer = Files.newBufferedWriter(xmlFile, StandardCharsets.UTF_8)) {
        XMLStreamWriter xmlWriter = output.createXMLStreamWriter(writer);
        try {
            xmlWriter.writeStartDocument(StandardCharsets.UTF_8.toString(), "1.0");
            xmlWriter.writeStartElement("config");
            try (DirectoryStream<Path> ds = Files.newDirectoryStream(configDir, entry -> Files.isRegularFile(entry) && entry.getFileName().toString().endsWith(".properties"))) {
                for (Path file : ds) {
                    String fileName = file.getFileName().toString();
                    String fileNameWithoutExtension = fileName.substring(0, fileName.length() - 11);
                    xmlWriter.writeStartElement(fileNameWithoutExtension);
                    Properties properties = new Properties();
                    try (Reader reader = Files.newBufferedReader(file, StandardCharsets.UTF_8)) {
                        properties.load(reader);
                    }
                    for (String name : properties.stringPropertyNames()) {
                        String value = properties.getProperty(name);
                        xmlWriter.writeStartElement(name);
                        xmlWriter.writeCharacters(value);
                        xmlWriter.writeEndElement();
                    }
                    xmlWriter.writeEndElement();
                }
            }
            xmlWriter.writeEndElement();
            xmlWriter.writeEndDocument();
        } finally {
            xmlWriter.close();
        }
    }
}