public static void writeFileIfChanged()

in tooling/camel-kafka-connector-generator-maven-plugin/src/main/java/org/apache/camel/kafkaconnector/maven/utils/MavenUtils.java [121:145]

• 23 lines of code
• 4 McCabe index (conditional complexity)

    public static void writeFileIfChanged(String newContent, File file, Log log) throws IOException {
        boolean write = true;
        file = file.getCanonicalFile();
        if (file.exists()) {
            try (FileReader fr = new FileReader(file)) {
                String oldContent = IOUtils.toString(fr);
                if (!newContent.equals(oldContent)) {
                    log.debug("Writing new file " + file.getAbsolutePath());
                } else {
                    log.debug("File " + file.getAbsolutePath() + " has been left unchanged");
                    write = false;
                }
            }
        } else {
            // Create the structure
            File parent = file.getParentFile();
            parent.mkdirs();
        }

        if (write) {
            try (FileWriter fw = new FileWriter(file)) {
                IOUtils.write(newContent, fw);
            }
        }
    }