public void execute()

in support/camel-k-maven-plugin/src/main/java/org/apache/camel/k/tooling/maven/GenerateRestXML.java [57:107]
40 lines of code
10 McCabe index (conditional complexity)

    public void execute() throws MojoExecutionException {
        if (inputFile == null) {
            throw new MojoExecutionException("Missing input file: " + inputFile);
        }

        Path input = Paths.get(this.inputFile);
        if (!Files.exists(input)) {
            throw new MojoExecutionException("Unable to read the input file: " + inputFile);
        }

        try {
            JsonFactory factory = null;
            if (inputFile.endsWith(".yaml") || inputFile.endsWith(".yml")) {
                factory = new YAMLFactory();
            }

            ObjectMapper mapper = new ObjectMapper(factory);
            mapper.findAndRegisterModules();

            FileInputStream fis = new FileInputStream(inputFile);

            JsonNode node = mapper.readTree(fis);
            OpenApiDocument document = (OpenApiDocument) Library.readDocument(JsonUtil.toObject(node));

            final Writer writer;

            if (outputFile != null) {
                Path output = Paths.get(this.outputFile);

                if (output.getParent() != null && Files.notExists(output.getParent())) {
                    Files.createDirectories(output.getParent());
                }
                if (Files.exists(output)) {
                    Files.delete(output);
                }

                writer = Files.newBufferedWriter(output);
            } else {
                writer = new PrintWriter(System.out);
            }

            final CamelContext context = new DefaultCamelContext();
            final String dsl = RestDslXmlGenerator.toXml(document).generate(context);

            try (writer) {
                writer.write(dsl);
            }
        } catch (Exception e) {
            throw new MojoExecutionException("Exception while generating rest xml", e);
        }
    }