private void createEipModelConfigurationSource()

in tooling/camel-spring-boot-generator-maven-plugin/src/main/java/org/apache/camel/springboot/maven/SpringBootAutoConfigurationMojo.java [238:340]
83 lines of code
20 McCabe index (conditional complexity)

    private void createEipModelConfigurationSource(String packageName, EipModel model, String propertiesPrefix,
            boolean generatedNestedConfig) throws MojoFailureException {
        final int pos = model.getJavaType().lastIndexOf(".");
        final String commonName = model.getJavaType().substring(pos + 1)
                + (generatedNestedConfig ? "Common" : "Properties");
        final String configName = model.getJavaType().substring(pos + 1)
                + (generatedNestedConfig ? "Properties" : null);

        // Common base class
        JavaClass commonClass = new JavaClass(getProjectClassLoader());
        commonClass.setPackage(packageName);
        commonClass.setName(commonName);

        String doc = "Generated by camel-package-maven-plugin - do not edit this file!";
        if (!Strings.isNullOrEmpty(model.getDescription())) {
            doc = model.getDescription() + "\n\n" + doc;
        }
        commonClass.getJavaDoc().setFullText(doc);

        for (EipOptionModel option : model.getOptions()) {
            String type = option.getJavaType();
            String name = option.getName();

            if ("id".equalsIgnoreCase(name) || "parent".equalsIgnoreCase(name)
                    || "camelContext".equalsIgnoreCase(name)) {
                // Skip them as they should not be set via spring boot
                continue;
            }

            if ("java.util.List<org.apache.camel.model.PropertyDefinition>".equalsIgnoreCase(type)) {
                type = "java.util.Map<java.lang.String, java.lang.String>";
            }

            // generate inner class for non-primitive options
            Property prop = commonClass.addProperty(type, option.getName());
            if (!Strings.isNullOrEmpty(option.getDescription())) {
                prop.getField().getJavaDoc().setFullText(option.getDescription());
            }
            if (!isBlank(option.getDefaultValue())) {
                if ("java.lang.String".equals(type)) {
                    prop.getField().setStringInitializer(option.getDefaultValue().toString());
                } else if ("long".equals(type) || "java.lang.Long".equals(type)) {
                    // the value should be a Long number
                    String value = option.getDefaultValue() + "L";
                    prop.getField().setLiteralInitializer(value);
                } else if ("integer".equals(option.getType()) || "java.lang.Integer".equals(option.getJavaType())
                        || "boolean".equals(option.getType()) || "java.lang.Boolean".equals(option.getJavaType())) {
                    prop.getField().setLiteralInitializer(option.getDefaultValue().toString());
                } else if (!isBlank(option.getEnums())) {
                    String enumShortName = type.substring(type.lastIndexOf(".") + 1);
                    prop.getField().setLiteralInitializer(enumShortName + "." + option.getDefaultValue());
                    commonClass.addImport(model.getJavaType());
                }
            }
        }

        writeSourceIfChanged(commonClass, packageName.replaceAll("\\.", "\\/") + "/" + commonName + ".java", true);

        Class commonClazz = generateDummyClass(commonClass.getCanonicalName());

        // Config class
        if (generatedNestedConfig) {
            JavaClass configClass = new JavaClass(getProjectClassLoader());
            configClass.setPackage(packageName);
            configClass.setName(configName);
            configClass.extendSuperType(commonClass);
            configClass.addAnnotation(loadClass("org.springframework.boot.context.properties.ConfigurationProperties"))
                    .setStringValue("prefix", propertiesPrefix);
            configClass.addImport(Map.class);
            configClass.addImport(HashMap.class);
            configClass.removeImport(commonClass);

            configClass.addField().setName("enabled").setType(boolean.class).setPrivate().setLiteralInitializer("true")
                    .getJavaDoc().setFullText("Enable the component");
            configClass.addField().setName("configurations")
                    .setType(loadType("java.util.Map<java.lang.String, " + packageName + "." + commonName + ">"))
                    .setPrivate().setLiteralInitializer("new HashMap<>()").getJavaDoc()
                    .setFullText("Define additional configuration definitions");

            Method method;

            method = configClass.addMethod();
            method.setName("getConfigurations");
            method.setReturnType(loadType("java.util.Map<java.lang.String, " + packageName + "." + commonName + ">"));
            method.setPublic();
            method.setBody("return configurations;");

            method = configClass.addMethod();
            method.setName("isEnabled");
            method.setReturnType(boolean.class);
            method.setPublic();
            method.setBody("return enabled;");

            method = configClass.addMethod();
            method.setName("setEnabled");
            method.addParameter(boolean.class, "enabled");
            method.setPublic();
            method.setBody("this.enabled = enabled;");

            String fileName = packageName.replaceAll("\\.", "\\/") + "/" + configName + ".java";
            writeSourceIfChanged(configClass, fileName, true);
        }
    }