org.springframework.boot.context.properties.bind.BindHandler Java Examples

@Override
public void bind(Map<String, Object> configurationProperties, boolean ignoreUnknownFields,
                 boolean ignoreInvalidFields, Object configurationBean) {

    Iterable<PropertySource<?>> propertySources = asList(new MapPropertySource("internal", configurationProperties));

    // Converts ConfigurationPropertySources
    Iterable<ConfigurationPropertySource> configurationPropertySources = from(propertySources);

    // Wrap Bindable from DubboConfig instance
    Bindable bindable = Bindable.ofInstance(configurationBean);

    Binder binder = new Binder(configurationPropertySources, new PropertySourcesPlaceholdersResolver(propertySources));

    // Get BindHandler
    BindHandler bindHandler = getBindHandler(ignoreUnknownFields, ignoreInvalidFields);

    // Bind
    binder.bind("", bindable, bindHandler);
}
 

@Override
public BindHandler apply(BindHandler bindHandler) {
	BindHandler handler = new AbstractBindHandler(bindHandler) {
		@Override
		public <T> Bindable<T> onStart(ConfigurationPropertyName name,
									Bindable<T> target, BindContext context) {
			final String configName = name.toString();
			if (configName.contains("use") && configName.contains("native") &&
					(configName.contains("encoding") || configName.contains("decoding"))) {
				BindResult<T> result = context.getBinder().bind(name, target);
				if (result.isBound()) {
					if (configName.contains("encoding")) {
						EncodingDecodingBindAdviceHandler.this.encodingSettingProvided = true;
					}
					else {
						EncodingDecodingBindAdviceHandler.this.decodingSettingProvided = true;
					}
					return target.withExistingValue(result.get());
				}
			}
			return bindHandler.onStart(name, target, context);
		}
	};
	return handler;
}
 

static <T> T bindOrCreate(Bindable<T> bindable,
		Map<String, Object> properties, String configurationPropertyName,
		Validator validator, ConversionService conversionService) {
	// see ConfigurationPropertiesBinder from spring boot for this definition.
	BindHandler handler = new IgnoreTopLevelConverterNotFoundBindHandler();

	if (validator != null) { // TODO: list of validators?
		handler = new ValidationBindHandler(handler, validator);
	}

	List<ConfigurationPropertySource> propertySources = Collections
			.singletonList(new MapConfigurationPropertySource(properties));

	return new Binder(propertySources, null, conversionService)
			.bindOrCreate(configurationPropertyName, bindable, handler);
}
 

public static JasyptEncryptorConfigurationProperties bindConfigProps(ConfigurableEnvironment environment) {
    final BindHandler handler = new IgnoreErrorsBindHandler(BindHandler.DEFAULT);
    final MutablePropertySources propertySources = environment.getPropertySources();
    final Binder binder = new Binder(ConfigurationPropertySources.from(propertySources),
            new PropertySourcesPlaceholdersResolver(propertySources),
            ApplicationConversionService.getSharedInstance());
    final JasyptEncryptorConfigurationProperties config = new JasyptEncryptorConfigurationProperties();

    final ResolvableType type = ResolvableType.forClass(JasyptEncryptorConfigurationProperties.class);
    final Annotation annotation = AnnotationUtils.findAnnotation(JasyptEncryptorConfigurationProperties.class,
            ConfigurationProperties.class);
    final Annotation[] annotations = new Annotation[]{annotation};
    final Bindable<?> target = Bindable.of(type).withExistingValue(config).withAnnotations(annotations);

    binder.bind("jasypt.encryptor", target, handler);
    return config;
}
 

@Override
public void preInit(SpringProcessEngineConfiguration springProcessEngineConfiguration) {
  GenericProperties genericProperties = camundaBpmProperties.getGenericProperties();
  final Map<String, Object> properties = genericProperties.getProperties();

  if (!CollectionUtils.isEmpty(properties)) {
    ConfigurationPropertySource source = new MapConfigurationPropertySource(properties);
    Binder binder = new Binder(source);
    try {
      if (genericProperties.isIgnoreUnknownFields()) {
        binder.bind(ConfigurationPropertyName.EMPTY, Bindable.ofInstance(springProcessEngineConfiguration));
      } else {
        binder.bind(ConfigurationPropertyName.EMPTY, Bindable.ofInstance(springProcessEngineConfiguration), new NoUnboundElementsBindHandler(BindHandler.DEFAULT));
      }
    } catch (Exception e) {
      throw LOG.exceptionDuringBinding(e.getMessage());
    }
    logger.debug("properties bound to configuration: {}", genericProperties);
  }
}
 

@Override
public BindHandler apply(BindHandler bindHandler) {


	BindHandler handler = new AbstractBindHandler(bindHandler) {
		@Override
		public <T> Bindable<T> onStart(ConfigurationPropertyName name,
				Bindable<T> target, BindContext context) {
			ConfigurationPropertyName defaultName = getDefaultName(name);
			if (defaultName != null) {
				BindResult<T> result = context.getBinder().bind(defaultName, target);
				if (result.isBound()) {
					return target.withExistingValue(result.get());
				}
			}
			return bindHandler.onStart(name, target, context);
		}
	};
	return handler;
}
 

@Override
public void preInit(SpringProcessEngineConfiguration springProcessEngineConfiguration) {
  GenericProperties genericProperties = camundaBpmProperties.getGenericProperties();
  final Map<String, Object> properties = genericProperties.getProperties();

  if (!CollectionUtils.isEmpty(properties)) {
    ConfigurationPropertySource source = new MapConfigurationPropertySource(properties);
    Binder binder = new Binder(source);
    try {
      if (genericProperties.isIgnoreUnknownFields()) {
        binder.bind(ConfigurationPropertyName.EMPTY, Bindable.ofInstance(springProcessEngineConfiguration));
      } else {
        binder.bind(ConfigurationPropertyName.EMPTY, Bindable.ofInstance(springProcessEngineConfiguration), new NoUnboundElementsBindHandler(BindHandler.DEFAULT));
      }
    } catch (Exception e) {
      throw LOG.exceptionDuringBinding(e.getMessage());
    }
    logger.debug("properties bound to configuration: {}", genericProperties);
  }
}
 

/**
 * 获取配置
 *
 * @param beanFactory beanFactory
 * @param prefix 前缀
 * @return
 */
public static MangoConfig getMangoConfig(DefaultListableBeanFactory beanFactory, String prefix) {
    MangoConfig config = new MangoConfig();
    Bindable<?> target = Bindable.ofInstance(config);
    PropertySources propertySources = getPropertySources(beanFactory);
    BindHandler bindHandler = getBindHandler();
    BindResult configBindResult = getBinder(propertySources, beanFactory).bind(prefix, target, bindHandler);
    return (MangoConfig) configBindResult.get();
}
 

public void bind(String configPrefix, Bindable<?> bean) {
  BindHandler handler = new IgnoreTopLevelConverterNotFoundBindHandler();
  this.binder.bind(configPrefix, bean, handler);
}
 

private static BindHandler getBindHandler() {
    BindHandler handler = new ThrowErrorBindHandler();
    return handler;
}
 

public ThrowErrorBindHandler(BindHandler parent) {
    super(parent);
}