java.lang.Class.getModule()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.lang.Class.getModule()方法的一些代码示例，展示了Class.getModule()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Class.getModule()方法的具体详情如下：
包路径：java.lang.Class
类名称：Class
方法名：getModule

Class.getModule介绍

暂无

代码示例

代码示例来源：origin: scouter-project/scouter

  1. /**
  2.  * Loads a class file by {@code java.lang.invoke.MethodHandles.Lookup}.
  3.  * It is obtained by using {@code neighbor}.
  4.  *
  5.  * @param neighbor  a class belonging to the same package that the loaded
  6.  *                  class belogns to.
  7.  * @param bcode     the bytecode.
  8.  * @since 3.24
  9.  */
  10. public static Class<?> toClass(Class<?> neighbor, byte[] bcode)
  11.   throws CannotCompileException
  12. {
  13.   try {
  14.     DefineClassHelper.class.getModule().addReads(neighbor.getModule());
  15.     Lookup lookup = MethodHandles.lookup();
  16.     Lookup prvlookup = MethodHandles.privateLookupIn(neighbor, lookup);
  17.     return prvlookup.defineClass(bcode);
  18.   } catch (IllegalAccessException | IllegalArgumentException e) {
  19.     throw new CannotCompileException(e.getMessage() + ": " + neighbor.getName()
  20.                      + " has no permission to define the class");
  21.   }
  22. }

代码示例来源：origin: org.javassist/javassist

  1. /**
  2.  * Loads a class file by {@code java.lang.invoke.MethodHandles.Lookup}.
  3.  * It is obtained by using {@code neighbor}.
  4.  *
  5.  * @param neighbor  a class belonging to the same package that the loaded
  6.  *                  class belogns to.
  7.  * @param bcode     the bytecode.
  8.  * @since 3.24
  9.  */
  10. public static Class<?> toClass(Class<?> neighbor, byte[] bcode)
  11.   throws CannotCompileException
  12. {
  13.   try {
  14.     DefineClassHelper.class.getModule().addReads(neighbor.getModule());
  15.     Lookup lookup = MethodHandles.lookup();
  16.     Lookup prvlookup = MethodHandles.privateLookupIn(neighbor, lookup);
  17.     return prvlookup.defineClass(bcode);
  18.   } catch (IllegalAccessException | IllegalArgumentException e) {
  19.     throw new CannotCompileException(e.getMessage() + ": " + neighbor.getName()
  20.                      + " has no permission to define the class");
  21.   }
  22. }

代码示例来源：origin: org.eclipse.jetty/jetty-alpn-java-client

  1. @Override
  2. public boolean appliesTo(SSLEngine sslEngine)
  3. {
  4.   Module module = sslEngine.getClass().getModule();
  5.   return module!=null && "java.base".equals(module.getName());
  6. }

代码示例来源：origin: org.eclipse.jetty/jetty-alpn-java-server

  1. @Override
  2. public boolean appliesTo(SSLEngine sslEngine)
  3. {
  4.   Module module = sslEngine.getClass().getModule();
  5.   return module!=null && "java.base".equals(module.getName());
  6. }

代码示例来源：origin: hibernate/hibernate-demos

  1. @Override
  2.   protected Lookup computeValue(Class<?> type) {
  3.     if ( !getClass().getModule().canRead( type.getModule() ) ) {
  4.       getClass().getModule().addReads( type.getModule() );
  5.     }
  6.     packageOpener.openPackageIfNeeded(
  7.         type.getModule(), type.getPackageName(), FieldValueReaderImpl.class.getModule()
  8.     );
  9.     try {
  10.       return MethodHandles.privateLookupIn( type, MethodHandles.lookup() );
  11.     }
  12.     catch (IllegalAccessException e) {
  13.       throw new RuntimeException( e );
  14.     }
  15.   }
  16. };

代码示例来源：origin: io.github.tomdw.java.modules.spring/java-modules-context-boot

  1. private static Module getCallerModule() {
  2.   return StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE)
  3.       .walk(stackFrameStream -> stackFrameStream
  4.           .map(StackWalker.StackFrame::getDeclaringClass)
  5.           .map(Class::getModule)
  6.           .filter(module -> module != ModuleContextRegistry.class.getModule())
  7.           .findFirst()
  8.           .orElseThrow(() -> new UnsupportedOperationException("Can only get an application context for a Module annotated with @ModuleContext")));
  9. }

代码示例来源：origin: io.github.tomdw.java.modules.spring/java-modules-context-boot

  1. @Nullable
  2. @Override
  3. public Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) throws BeansException {
  4.   Module usingModule = beanClass.getModule();
  5.   for (Field field : beanClass.getDeclaredFields()) {
  6.     if (field.isAnnotationPresent(ModuleServiceReference.class)) {
  7.       Class<?> injectionType = field.getType();
  8.       if(injectionType.isAssignableFrom(List.class)) {
  9.         registerServiceListFactoryBean(usingModule, field);
  10.       } else {
  11.         registerServiceFactoryBean(usingModule, field);
  12.       }
  13.     }
  14.   }
  15.   return null;
  16. }

代码示例来源：origin: io.github.udaychandra/common

  1. private void buildRef(MetadataItem.Reference reference, StringBuilder builder) {
  2.   builder.append(reference.serviceClass().getModule().getName());
  3.   builder.append(COLON);
  4.   builder.append(reference.serviceClass().getName());
  5.   builder.append(SEMI_COLON);
  6.   builder.append(reference.setterMethodName());
  7.   builder.append(SEMI_COLON);
  8.   builder.append(reference.isList());
  9.   builder.append(SEMI_COLON);
  10.   builder.append(reference.isOptional());
  11. }

代码示例来源：origin: com.headius/modulator

  1. public static Module getModule(Class cls) {
  2.   if (JAVA_NINE) {
  3.     return new Module9(cls.getModule());
  4.   }
  5.   return new ModuleDummy();
  6. }

代码示例来源：origin: net.colesico.framework/colesico-webstatic

  1. public StaticContentBuilderImpl(
  2.     @Message InjectionPoint injectionPoint,
  3.     Provider<HttpContext> httpContextProv,
  4.     ResourceKit resourceKit) {
  5.   this.httpContextProv = httpContextProv;
  6.   this.resourceKit = resourceKit;
  7.   if (injectionPoint != null) {
  8.     String moduleName = injectionPoint.getTargetClass().getModule().getName();
  9.     if (moduleName!=null) {
  10.       String contentRootPkg = moduleName.replace('.', '/') + "/" + DEFAULT_RESOURCES_DIR;
  11.       this.resourcesRoot = contentRootPkg;
  12.     } else {
  13.       throw new RuntimeException("Unnamed module for injection point: "+injectionPoint);
  14.     }
  15.   }
  16.   log.debug("Initial content root: " + resourcesRoot);
  17. }

代码示例来源：origin: org.tentackle/tentackle-common

  1. /**
  2.  * Creates a module info.
  3.  *
  4.  * @param hook the module hook
  5.  */
  6. public ModuleInfo(ModuleHook hook) {
  7.  this.hook = hook;
  8.  this.urlPath = hook.getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
  9.  this.module = hook.getClass().getModule();
  10.  if (module == null || !module.isNamed()) {
  11.   throw new TentackleRuntimeException(hook.getClass() + " does not belong to a named module");
  12.  }
  13.  requiredModuleNames = new HashSet<>();
  14.  for (ModuleDescriptor.Requires req : module.getDescriptor().requires()) {
  15.   requiredModuleNames.add(req.name());
  16.  }
  17. }

代码示例来源：origin: io.github.udaychandra.susel/susel

  1. throws IOException, SuselMetadataNullException {
  2. var module = serviceProvider.getModule();
  3. var metadata = perModuleMetadataCache.get(module);
  4.     var properties = new Properties();
  5.     try (InputStream inStream = serviceProvider.getModule().getResourceAsStream(SUSEL_METADATA_RESOURCE_PATH)) {
  6.       properties.load(inStream);
  7.     } catch (NullPointerException ex) {

代码示例来源：origin: io.github.scouter-project/scouter-agent-java

  1. /**
  2.  * Loads a class file by {@code java.lang.invoke.MethodHandles.Lookup}.
  3.  * It is obtained by using {@code neighbor}.
  4.  *
  5.  * @param neighbor  a class belonging to the same package that the loaded
  6.  *                  class belogns to.
  7.  * @param bcode     the bytecode.
  8.  * @since 3.24
  9.  */
  10. public static Class<?> toClass(Class<?> neighbor, byte[] bcode)
  11.   throws CannotCompileException
  12. {
  13.   try {
  14.     DefineClassHelper.class.getModule().addReads(neighbor.getModule());
  15.     Lookup lookup = MethodHandles.lookup();
  16.     Lookup prvlookup = MethodHandles.privateLookupIn(neighbor, lookup);
  17.     return prvlookup.defineClass(bcode);
  18.   } catch (IllegalAccessException | IllegalArgumentException e) {
  19.     throw new CannotCompileException(e.getMessage() + ": " + neighbor.getName()
  20.                      + " has no permission to define the class");
  21.   }
  22. }

代码示例来源：origin: io.github.udaychandra/susel

  1. throws IOException, SuselMetadataNullException {
  2. var module = serviceProvider.getModule();
  3. var metadata = perModuleMetadataCache.get(module);
  4.     var properties = new Properties();
  5.     try (InputStream inStream = serviceProvider.getModule().getResourceAsStream(SUSEL_METADATA_RESOURCE_PATH)) {
  6.       properties.load(inStream);
  7.     } catch (NullPointerException ex) {

代码示例来源：origin: net.colesico.framework/colesico-ioc

  1. protected ServiceLocator(Class<?> caller, Class<S> service, ClassLoader classLoader, Predicate<Class<? extends S>> classFilter) {
  2.   if (caller == null) {
  3.     throw new ServiceConfigurationError("Caller class is null");
  4.   }
  5.   this.caller = caller;
  6.   if (service == null) {
  7.     throw new ServiceConfigurationError("Service class is null");
  8.   }
  9.   this.service = service;
  10.   Module callerModule = caller.getModule();
  11.   if (!callerModule.canUse(service)) {
  12.     throw new ServiceConfigurationError("Module '" + callerModule + "' does not declare 'uses' for class " + service.getName());
  13.   }
  14.   if (classLoader != null) {
  15.     this.classLoader = classLoader;
  16.   } else {
  17.     this.classLoader = ClassLoader.getSystemClassLoader();
  18.   }
  19.   this.classFilter = classFilter;
  20.   this.acc = (System.getSecurityManager() != null)
  21.       ? AccessController.getContext()
  22.       : null;
  23. }

代码示例来源：origin: io.github.tomdw.java.modules.spring/java-modules-context-boot

  1. public static <SERVICETYPE> SERVICETYPE retrieveInstanceFromContext(Class<SERVICETYPE> serviceClass) {
  2.   LOGGER.log(INFO, "Providing instance of " + serviceClass.getSimpleName() + " from module " + serviceClass.getModule().getName());
  3.   GenericApplicationContext context = get();
  4.   if (!context.isActive()) {
  5.     LOGGER.log(INFO, "Lazy starting ApplicationContext for module " + serviceClass.getModule().getName());
  6.     context.refresh();
  7.   }
  8.   return context.getBean(serviceClass);
  9. }

代码示例来源：origin: bytemanproject/byteman

  1. extraReads.add(AccessEnabler.class.getModule());

代码示例来源：origin: bytemanproject/byteman

  1. extraReads.add(AccessEnabler.class.getModule());

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