I have the following super basic bean set up:
#Bean
#JobScope
public JobState jobState() {
return new JobState();
}
public static class JobState {
public final Map<String, PathData> paths = new HashMap<>();
}
public static class PathData {
public final Path path;
public final boolean downloaded;
public PathData(final Path path, final boolean downloaded) {
this.path = path;
this.downloaded = downloaded;
}
}
Then, somewhere else in my code, I have a tasklet factory like so:
#Bean
public Function<DownloadConfig, Tasklet> downloadTaskletFactory(final JobState jobState) {
return config ->
(contribution, chunkContext) -> {
// [...]
jobState.paths.put(...);
};
}
However, when this runs, while jobState is not null, jobState.paths is. I'm not sure how exactly this would be possible, unless Spring is completely replacing my JobState class with a mock or something?
Related
I created a class using ResourceBundle interface as shown below. This class is dependent on another class. The implementation class for ResourceBundle (QuestionnaireSource as shown below) always has null as dependencies. No matter if I use setter or constructor injection.
Could someone please help me with this issue. I am I missing some configuration here.
#Component
public class QuestionnaireSource extends ResourceBundle {
private final QuestionnaireCache questionnaireCache;
private static final Object lockObject = new Object();
#Override
protected Object handleGetObject(String key) {
// Gets an object for the given key from this resource bundle.
// Returns null if this resource bundle does not contain an object for the given key 0
Object value = null;
try {
value = getString(key, LocaleContextHolder.getLocale());
} catch (Exception ignored) {
}
return value;
}
public Questionnaire getString(String key, Locale locale) {
Locale l = safeLocale(locale);
return getResources(l).get(key);
}
private Locale safeLocale(Locale l) {
if (l.getLanguage().equalsIgnoreCase("DE")) {
return Locale.GERMAN;
} else {
return Locale.ENGLISH;
}
}
protected Map<String, Questionnaire> getResources(Locale locale) {
synchronized (lockObject) {
return questionnaireCache.getQuestionnaireCache().get(locale.getLanguage().toUpperCase());
}
}
#Override
public Enumeration<String> getKeys() {
return null;
}
public QuestionnaireSource(QuestionnaireCache questionnaireCache) {
super();
this.questionnaireCache = questionnaireCache;
}
}
Update:
I found that even simple dependency injection in resourceBundle is failing.
UPdate2:
The way I am using in the main class is as follows:
// ResourceBundle test here
System.out.println("Test here for resource bundle");
Locale locale = new Locale("de", "DE");
ResourceBundle bundle = ResourceBundle.getBundle("com.app.util.QuestionnaireSource", locale);
System.out.println(bundle.getString("some.test.string"));
Update3
I am writing a simple example to convey the scenario:
Some service class
#Service
public class SomeServiceTest {
public String testMethod(){
return "test here and complete";
}
}
Some example implementation of resource bundle
#Component
public class MyResourceBundle extends ResourceBundle {
private final SomeServiceTest someServiceTest;
#Autowired
public MyResourceBundle(SomeServiceTest someServiceTest) {
this.someServiceTest = someServiceTest;
}
#Override
protected Object handleGetObject(String key) {
if(key.equals("test"))
return "test";
return null;
}
#Override
public Enumeration<String> getKeys() {
return null;
}
}
Main.java
main(){
// ResourceBundle test here
System.out.println("Test here for resource bundle");
Locale locale = new Locale("de", "DE");
ResourceBundle bundle = ResourceBundle.getBundle("com.app.util.MyResourceBundle", locale);
System.out.println(bundle.getString("test"));
}
Update4:
I changed the annotation on classes as mentioned by on this post https://www.baeldung.com/spring-inject-bean-into-unmanaged-objects
but still I have the null dependency injection for SomeServiceTest class. The changes are as shown below.
SomeServiceTest.java
#Service
public class SomeServiceTest {
public String testMethod(){
return "test here and complete";
}
}
MyResourceBundle.java
#Configurable
public class MyResourceBundle extends ResourceBundle {
#Autowired
private SomeServiceTest someServiceTest;
public MyResourceBundle() {
}
#Override
protected Object handleGetObject(String key) {
if(key.equals("test"))
return someServiceTest.testMethod();
return null;
}
#Override
public Enumeration<String> getKeys() {
return null;
}
}
still SomeServiceTest class is null.
Can you please post an example on how you are using this class? Is it you (your code) or spring who instanciate it (on startup)?
#Component only works for beans which Spring instanciate. If you want to inject stuff in classes you instanciate in you code you can annotate the class with #Configurable.
Please see https://www.baeldung.com/spring-inject-bean-into-unmanaged-objects for some examples.
Make sure you have initialized the spring context
If you are using spring boot
You can get the application context after it starts and use it to get the bean you want
For example
public static void main(String[] args) {
ConfigurableApplicationContext run = SpringApplication.run(YouApplication.class, args);
MyResourceBundle resConfig = run.getBean("myResourceBundle", MyResourceBundle .class);
resConfig.handleGetObject("test");
}
Unfortunately ResourceBundle.getBundle does not initialize the spring application context
i implemented a servlet container, Ioc without any dependency.
and when i try to forward to static/resource i set this request to go DefaultServlet.
public class DefaultServlet extends HttpServlet {
for processing about all the static resouces under resource folder
(index.html)
but the path of request response with 'file not exists' in this Default
how can get path of static resource?
this is my code
there are no settings about servlet, and ioc
private void selfInitialize(ServletContext servletContext) {
ServletRegistration.Dynamic gServlet = servletContext.addServlet(GCI_SERVLET_NAME,new DefaultServlet());
gServlet.setLoadOnStartup(1);
gServlet.addMapping("/");
// ServletRegistration.Dynamic servletRegistration = servletContext.addServlet(DISPATCHER_SERVLET_NAME, new DispatcherServlet());
// servletRegistration.setLoadOnStartup(2);
// servletRegistration.addMapping("/");
FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("encodingFilter", new CharacterEncodingFilter());
filterRegistration.addMappingForUrlPatterns(null, false, "/*");
}
this is my ioc container, and not implements ResourceLoader
public class ApplicationContext implements BeanFactory {
private static ApplicationContext context = new ApplicationContext();
private static final Logger log = LoggerFactory.getLogger(ApplicationContext.class);
private static Map<String, CustomBeanDefinition> beanDefinitions;
CustomBeanDefinitionGenerator generator;
private Set<Class<?>> requiredBeans;
BeanScanner scan;
private ApplicationContext() {};
public void initialize(String basePackage) {
log.debug("star to scan : {}", basePackage);
scan = new BeanScanner(basePackage);
requiredBeans = scan.getTypesWith(Controller.class, Service.class, Component.class);
generator = new CustomBeanDefinitionGenerator(requiredBeans);
generator.instantiate();
generator.registerBean();
beanDefinitions = generator.getBeanDefinitions();
}
public static ApplicationContext getInstance(){
if(context != null){
return context;
}
return new ApplicationContext();
}
public static Map<String, CustomBeanDefinition> getAllBeanDefinitions() {
return beanDefinitions;
}
public static Set<Object> getAllBeans() {
return beanDefinitions
.values()
.stream()
.map(CustomBeanDefinition::getBean)
.collect(Collectors.toSet());
}
#Override
public Object getBean(Class<?> clazz) {
String beanName = createBeanName(clazz);
return getBean(beanName);
}
public Object getBean(String beanName) {
return beanDefinitions.get(beanName).getBean();
}
}
in this code of DefaultServlet.
resource.exist() return false
I want to set values Spring SolrDocument Collection based on application.yml value.
#Data
#SolrDocument(collection = #Value("${solr.core}"))
public class SearchableProduct {
}
Hoi Michela,
Ok, I had the same Problem and I found a solution: SpEL
it is described in details here:Spring Data for Apache Solr
you have to add the EL-expression to the Annotation
#SolrDocument(collection = "#{#serverSolrContext.getCollectionName()}")
public class SOLREntity implements Serializable {
.....
}
you have to provide a the serverSolrContext Bean with the method getCollectionName().
#Value("${solr.core}")
private String core;
public String getCollectionName() {
return core;
}
you have to write in our application.properties the following core entry.
solr.core=myOwnCoreName
That's it actually, BUT
if you get the following Exception, so as I did:
org.springframework.expression.spel.SpelEvaluationException: EL1057E: No bean resolver registered in the context to resolve access to bean
You have to have the following in your Configuration Bean
#Configuration
#EnableSolrRepositories(basePackages = { "de.solr.db" })
#Profile("default")
#PropertySource("classpath:application.properties")
public class ServerSolrContext extends AbstractSolrConfiguration {
private static final Logger logger = LoggerFactory.getLogger(ServerSolrContext.class);
#Resource
private Environment environment;
#Value("${solr.core}")
private String core;
public String getCollectionName() {
return core;
}
#PostConstruct
public void init() {
System.out.println(core);
}
#Bean
public SolrClient solrClient() {
String url = environment.getProperty("solr.server.url");
String user = environment.getProperty("solr.server.user");
String password = environment.getProperty("solr.server.password");
CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
credentialsProvider.setCredentials(new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT),
new UsernamePasswordCredentials(user, password));
SSLContext sslContext = null;
try {
sslContext = ReportConfiguration.getTrustAllContext();
}
catch (KeyManagementException | NoSuchAlgorithmException e) {
e.printStackTrace();
}
LayeredConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslContext);
HttpClient httpClient = HttpClientBuilder.create().setSSLSocketFactory(sslSocketFactory)
.addInterceptorFirst(new PreemptiveAuthInterceptor()).setDefaultCredentialsProvider(credentialsProvider)
.build();
SolrClient client = new HttpSolrClient.Builder().withHttpClient(httpClient).withBaseSolrUrl(url).build();
return client;
}
#Bean
#ConditionalOnMissingBean(name = "solrTemplate")
public SolrTemplate solrTemplate(#Qualifier("mySolrTemplate") SolrTemplate solrTemplate) {
return solrTemplate;
}
#Bean("mySolrTemplate")
public SolrTemplate mySolrTemplate(SolrClient solrClient, SolrConverter solrConverter) {
return new SolrTemplate(new HttpSolrClientFactory(solrClient), solrConverter);
}
#Override
public SolrClientFactory solrClientFactory() {
return new HttpSolrClientFactory(solrClient());
}
}
The last 3 Methods are doing the Trick, that cost me a while to find the right solution:
it is here, so actually I was lucky to find this:
Allow PropertyPlaceholders in #SolrDocument solrCoreName
I am trying to write and test an application that used spring-cloud with azure functions following this tutorial.
https://github.com/markusgulden/aws-tutorials/tree/master/spring-cloud-function/spring-cloud-function-azure/src/main/java/de/margul/awstutorials/springcloudfunction/azure
I am tryign to write a testcase and override the bean.
Here is the application class having function and handler Bean function.
#SpringBootApplication
#ComponentScan(basePackages = { "com.package" })
public class DataFunctions extends AzureSpringBootRequestHandler<GenericMessage<Optional<String>>, Data> {
#FunctionName("addData")
public HttpResponseMessage addDataRun(
#HttpTrigger(name = "add", methods = {
HttpMethod.POST }, authLevel = AuthorizationLevel.FUNCTION) HttpRequestMessage<Optional<String>> request,
final ExecutionContext context) throws JsonParseException, JsonMappingException, IOException {
context.getLogger().info("Java HTTP trigger processed a POST request.");
try {
handleRequest(new GenericMessage<Optional<String>>(request.getBody()), context);
} catch (ServiceException ex) {
ErrorMessage em = new ErrorMessage();
return request.createResponseBuilder(handleException(ex, em)).body(em).build();
}
return request.createResponseBuilder(HttpStatus.CREATED).build();
}
#Autowired
MyService mService;
#Bean
public Consumer<GenericMessage<Optional<String>>> addData() {
ObjectMapper mapper = new ObjectMapper();
return req -> {
SomeModel fp = null;
try {
fp = mapper.readValue(req.getPayload().get(), SomeModel.class);
} catch (Exception e) {
throw new ServiceException(e);
}
mService.addData(fp);
};
}
}
I want to test by overriding the above bean.
Cosmosdb spring configuration
#Configuration
#EnableDocumentDbRepositories
public class CosmosDBConfig extends AbstractDocumentDbConfiguration {
#Value("${cosmosdb.collection.endpoint}")
private String uri;
#Value("${cosmosdb.collection.key}")
private String key;
#Value("${cosmosdb.collection.dbname}")
private String dbName;
#Value("${cosmosdb.connect.directly}")
private Boolean connectDirectly;
#Override
public DocumentDBConfig getConfig() {
ConnectionPolicy cp = ConnectionPolicy.GetDefault();
if (connectDirectly) {
cp.setConnectionMode(ConnectionMode.DirectHttps);
} else {
cp.setConnectionMode(ConnectionMode.Gateway);
}
return DocumentDBConfig.builder(uri, key, dbName).connectionPolicy(cp).build();
}
}
Here is the configuration
#TestConfiguration
#PropertySource(value = "classpath:application.properties", encoding = "UTF-8")
#Profile("test")
#Import({DataFunctions.class})
public class TestConfig {
#Bean(name="addData")
#Primary
public Consumer<GenericMessage<Optional<String>>> addData() {
return req -> {
System.out.println("data mock");
};
}
#Bean
#Primary
public DocumentDBConfig getConfig() {
return Mockito.mock(DocumentDBConfig.class);
}
}
Finally the test class
#RunWith(SpringRunner.class)
//#SpringBootTest //Enabling this gives initialization error.
#ActiveProfiles("test")
public class TempTest {
#InjectMocks
DataFunctions func;
#Mock
MyService mService;
#Before
public void setup() {
MockitoAnnotations.initMocks(this);
}
private Optional<String> createRequestString(final String res) throws IOException {
InputStream iStream = TempTest.class.getResourceAsStream(res);
String charset="UTF-8";
try (BufferedReader br = new BufferedReader(new InputStreamReader(iStream, charset))) {
return Optional.of(br.lines().collect(Collectors.joining(System.lineSeparator())));
}
}
#Test
public void testHttpPostTriggerJava() throws Exception {
#SuppressWarnings("unchecked")
final HttpRequestMessage<Optional<String>> req = mock(HttpRequestMessage.class);
final Optional<String> queryBody = createRequestString("/test-data.json");
doNothing().when(mService).addData(Mockito.any(SomeModel.class));
doReturn(queryBody).when(req).getBody();
doAnswer(new Answer<HttpResponseMessage.Builder>() {
#Override
public HttpResponseMessage.Builder answer(InvocationOnMock invocation) {
HttpStatus status = (HttpStatus) invocation.getArguments()[0];
return new HttpResponseMessageMock.HttpResponseMessageBuilderMock().status(status);
}
}).when(req).createResponseBuilder(any(HttpStatus.class));
final ExecutionContext context = mock(ExecutionContext.class);
doReturn(Logger.getGlobal()).when(context).getLogger();
doReturn("addData").when(context).getFunctionName();
// Invoke
final HttpResponseMessage ret = func.addDataRun(req, context);
// Verify
assertEquals(ret.getStatus(), HttpStatus.CREATED);
}
}
For this case instead of test configuration addData the actual bean is called from DataFunctions class. Also the database connection is also created when it should use the mocked bean from my test configuration. Can somebody please point out what is wrong in my test configuration?
I was able to resolve the first part of cosmos db config loading by marking it with
#Configuration
#EnableDocumentDbRepositories
#Profile("!test")
public class CosmosDBConfig extends AbstractDocumentDbConfiguration {
...
}
Also had to mark the repository bean as optional in the service.
public class MyService {
#Autowired(required = false)
private MyRepository myRepo;
}
Didn't use any spring boot configuration other than this.
#ActiveProfiles("test")
public class FunctionTest {
...
}
For the second part of providing mock version of Mock handlers, I simply made the test config file as spring application as below.
#SpringBootApplication
#ComponentScan(basePackages = { "com.boeing.da.helix.utm.traffic" })
#Profile("test")
public class TestConfiguration {
public static void main(final String[] args) {
SpringApplication.run(TestConfiguration.class, args);
}
#Bean(name="addData")
#Primary
public Consumer<GenericMessage<Optional<String>>> addData() {
return req -> {
System.out.println("data mock");
};
}
}
and made use of this constructor from azure functions library in spring cloud in my constructor
public class AppFunctions
extends AzureSpringBootRequestHandler<GenericMessage<Optional<String>>, List<Data>> {
public AppFunctions(Class<?> configurationClass) {
super(configurationClass);
}
}
public AzureSpringBootRequestHandler(Class<?> configurationClass) {
super(configurationClass);
}
Hope it helps someone.
I have a Spring Boot (1.4.0) application, which, during initialization, starts a 2nd context (I need that because I have to publish a web service using a specific kind of authorization while the parent context publishes a different service).
I created a child context like so:
#Configuration
#ConditionalOnClass({Servlet.class, DispatcherServlet.class})
#ConditionalOnWebApplication
public class ChildContextConfiguration implements ApplicationContextAware, ApplicationListener<ContextRefreshedEvent> {
private final Logger logger = LoggerFactory.getLogger(ChildContextConfiguration.class);
private ApplicationContext applicationContext;
#Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
private void createChildContext() {
final AnnotationConfigEmbeddedWebApplicationContext childContext = new AnnotationConfigEmbeddedWebApplicationContext(ChildConfiguration.class);
childContext.setParent(this.applicationContext);
childContext.setId(this.applicationContext.getId() + ":child");
}
#Override
public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
logger.info("creating child context");
createChildContext();
}
}
The child context's configuration class looks like this:
#Configuration
#ComponentScan(basePackages = {"com.example.child"})
#PropertySource("file:some-config.properties")
#ConfigurationProperties(prefix = "child")
#EnableAutoConfiguration(exclude = {DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class})
public class ChildConfiguration {
private Integer port;
private String keyStore;
private String keyStorePass;
private String keyPass;
private String trustStore;
private String trustStorePass;
private String packageBase;
public void setPort(Integer port) {
this.port = port;
}
public void setKeyStore(String keyStore) {
this.keyStore = keyStore;
}
public void setKeyStorePass(String keyStorePass) {
this.keyStorePass = keyStorePass;
}
public void setKeyPass(String keyPass) {
this.keyPass = keyPass;
}
public void setTrustStore(String trustStore) {
this.trustStore = trustStore;
}
public void setTrustStorePass(String trustStorePass) {
this.trustStorePass = trustStorePass;
}
public void setPackageBase(String packageBase) {
this.packageBase = packageBase;
}
#Bean
public Jaxb2Marshaller swpMarshaller() {
Jaxb2Marshaller marshaller = new Jaxb2Marshaller();
marshaller.setPackagesToScan(packageBase);
return marshaller;
}
#Bean
public Unmarshaller swpUnmarshaller() throws JAXBException {
JAXBContext jaxbContext = JAXBContext.newInstance(packageBase);
return jaxbContext.createUnmarshaller();
}
#Bean
public Filter encodingFilter() {
CharacterEncodingFilter encodingFilter = new CharacterEncodingFilter();
encodingFilter.setEncoding("UTF-8");
return encodingFilter;
}
#Bean
public ServerProperties serverProperties() {
ServerProperties props = new ServerProperties();
props.setPort(port);
props.setSsl(ssl());
return props;
}
private Ssl ssl() {
Ssl ssl = new Ssl();
ssl.setEnabled(true);
ssl.setKeyStore(keyStore);
ssl.setKeyStorePassword(keyStorePass);
ssl.setKeyStoreType("JKS");
ssl.setKeyPassword(keyPass);
ssl.setTrustStore(trustStore);
ssl.setTrustStorePassword(trustStorePass);
ssl.setClientAuth(Ssl.ClientAuth.NEED);
return ssl;
}
}
So far, this works. But when I try to autowire a bean from the parent context, I get an error stating that there is no candidate.
Another interesting thing is, when I inject the (child)context into one of my child context's beans using the ApplicationContextAware interface, the getParent() property of that context is null at that time.
What I have done now is implementing getter functions like these:
private SomeBean getSomeBean() {
if (this.someBean == null) {
this.someBean = applicationContext.getParent().getBean(SomeBean.class);
}
return this.someBean;
}
To summarize this: During construction of the child context's beans, the parent context is not set, so I cannot use autowire.
Is there some way to make autowire work with my setup?
Constructor taking classes to register refreshes context internally - try to set class and refresh manually after setting parent context.
private void createChildContext() {
final AnnotationConfigEmbeddedWebApplicationContext childContext = new AnnotationConfigEmbeddedWebApplicationContext();
childContext.setParent(this.applicationContext);
childContext.setId(this.applicationContext.getId() + ":child");
childContext.register(ChildConfiguration.class);
childContext.refresh();
}