本文整理了Java中java.lang.Class.isInterface()方法的一些代码示例，展示了Class.isInterface()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.isInterface()方法的具体详情如下：
包路径：java.lang.Class
类名称：Class
方法名：isInterface

Class.isInterface介绍

[英]Tests whether this Class represents an interface.
[中]

代码示例

代码示例来源：origin: google/guava

@Override
 public boolean apply(TypeToken<?> type) {
  return type.getRawType().isInterface();
 }
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Set the interface of the service to access.
 * The interface must be suitable for the particular service and remoting strategy.
 * <p>Typically required to be able to create a suitable service proxy,
 * but can also be optional if the lookup returns a typed proxy.
 */
public void setServiceInterface(Class<?> serviceInterface) {
  Assert.notNull(serviceInterface, "'serviceInterface' must not be null");
  Assert.isTrue(serviceInterface.isInterface(), "'serviceInterface' must be an interface");
  this.serviceInterface = serviceInterface;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Set the interface of the service to access.
 * The interface must be suitable for the particular service and remoting tool.
 * <p>Typically required to be able to create a suitable service proxy,
 * but can also be optional if the lookup returns a typed stub.
 */
public void setServiceInterface(Class<?> serviceInterface) {
  Assert.notNull(serviceInterface, "'serviceInterface' must not be null");
  Assert.isTrue(serviceInterface.isInterface(), "'serviceInterface' must be an interface");
  this.serviceInterface = serviceInterface;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Set the interface that the proxy must implement.
 * @param serviceInterface the interface that the proxy must implement
 * @throws IllegalArgumentException if the supplied {@code serviceInterface}
 * is not an interface type
 */
public void setServiceInterface(Class<?> serviceInterface) {
  Assert.notNull(serviceInterface, "'serviceInterface' must not be null");
  Assert.isTrue(serviceInterface.isInterface(), "'serviceInterface' must be an interface");
  this.serviceInterface = serviceInterface;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Set the interface of the service to export.
 * The interface must be suitable for the particular service and remoting strategy.
 */
public void setServiceInterface(Class<?> serviceInterface) {
  Assert.notNull(serviceInterface, "'serviceInterface' must not be null");
  Assert.isTrue(serviceInterface.isInterface(), "'serviceInterface' must be an interface");
  this.serviceInterface = serviceInterface;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Set the interface of the service that this factory should create a proxy for.
 */
public void setServiceInterface(@Nullable Class<?> serviceInterface) {
  if (serviceInterface != null) {
    Assert.isTrue(serviceInterface.isInterface(), "'serviceInterface' must be an interface");
  }
  this.serviceInterface = serviceInterface;
}

代码示例来源：origin: apache/incubator-dubbo

private static void assertInterfaceArray(Class<?>[] ics) {
  for (int i = 0; i < ics.length; i++) {
    if (!ics[i].isInterface()) {
      throw new RuntimeException("Class " + ics[i].getName() + " is not a interface.");
    }
  }
}

代码示例来源：origin: apache/incubator-dubbo

private static void assertInterfaceArray(Class<?>[] ics) {
  for (int i = 0; i < ics.length; i++) {
    if (!ics[i].isInterface()) {
      throw new RuntimeException("Class " + ics[i].getName() + " is not a interface.");
    }
  }
}

代码示例来源：origin: square/retrofit

static <T> void validateServiceInterface(Class<T> service) {
 if (!service.isInterface()) {
  throw new IllegalArgumentException("API declarations must be interfaces.");
 }
 // Prevent API interfaces from extending other interfaces. This not only avoids a bug in
 // Android (http://b.android.com/58753) but it forces composition of API declarations which is
 // the recommended pattern.
 if (service.getInterfaces().length > 0) {
  throw new IllegalArgumentException("API interfaces must not extend other interfaces.");
 }
}

代码示例来源：origin: spring-projects/spring-framework

public static Method findInterfaceMethod(Class iface) {
  if (!iface.isInterface()) {
    throw new IllegalArgumentException(iface + " is not an interface");
  }
  Method[] methods = iface.getDeclaredMethods();
  if (methods.length != 1) {
    throw new IllegalArgumentException("expecting exactly 1 method in " + iface);
  }
  return methods[0];
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Add the specified interface to the list of interfaces to introduce.
 * @param intf the interface to introduce
 */
public void addInterface(Class<?> intf) {
  Assert.notNull(intf, "Interface must not be null");
  if (!intf.isInterface()) {
    throw new IllegalArgumentException("Specified class [" + intf.getName() + "] must be an interface");
  }
  this.interfaces.add(intf);
}

代码示例来源：origin: google/guava

private ImmutableList<TypeToken<? super T>> boundsAsInterfaces(Type[] bounds) {
 ImmutableList.Builder<TypeToken<? super T>> builder = ImmutableList.builder();
 for (Type bound : bounds) {
  @SuppressWarnings("unchecked") // upper bound of T
  TypeToken<? super T> boundType = (TypeToken<? super T>) of(bound);
  if (boundType.getRawType().isInterface()) {
   builder.add(boundType);
  }
 }
 return builder.build();
}

代码示例来源：origin: spring-projects/spring-framework

public ReflectiveElementFactory(Class<? extends E> elementClass) {
  Assert.notNull(elementClass, "Element class must not be null");
  Assert.isTrue(!elementClass.isInterface(), "Element class must not be an interface type");
  Assert.isTrue(!Modifier.isAbstract(elementClass.getModifiers()), "Element class cannot be an abstract class");
  this.elementClass = elementClass;
}

代码示例来源：origin: google/guava

private @Nullable TypeToken<? super T> boundAsSuperclass(Type bound) {
 TypeToken<?> token = of(bound);
 if (token.getRawType().isInterface()) {
  return null;
 }
 @SuppressWarnings("unchecked") // only upper bound of T is passed in.
 TypeToken<? super T> superclass = (TypeToken<? super T>) token;
 return superclass;
}

代码示例来源：origin: apache/incubator-dubbo

public void setInterface(Class<?> interfaceClass) {
  if (interfaceClass != null && !interfaceClass.isInterface()) {
    throw new IllegalStateException("The interface class " + interfaceClass + " is not a interface!");
  }
  this.interfaceClass = interfaceClass;
  setInterface(interfaceClass == null ? null : interfaceClass.getName());
}

代码示例来源：origin: apache/incubator-dubbo

public void setInterface(Class<?> interfaceClass) {
  if (interfaceClass != null && !interfaceClass.isInterface()) {
    throw new IllegalStateException("The interface class " + interfaceClass + " is not a interface!");
  }
  this.interfaceClass = interfaceClass;
  setInterface(interfaceClass == null ? null : interfaceClass.getName());
}

代码示例来源：origin: google/guava

@Override
 ImmutableList<K> collectTypes(Iterable<? extends K> types) {
  ImmutableList.Builder<K> builder = ImmutableList.builder();
  for (K type : types) {
   if (!getRawType(type).isInterface()) {
    builder.add(type);
   }
  }
  return super.collectTypes(builder.build());
 }
};

代码示例来源：origin: google/guava

private <T> T defaultGenerate(Class<T> rawType) {
 if (rawType.isInterface()) {
  // always create a new proxy
  return newProxy(rawType);
 }
 return ArbitraryInstances.get(rawType);
}

代码示例来源：origin: apache/incubator-dubbo

@Override
public <T> T getExtension(Class<T> type, String name) {
  if (type.isInterface() && type.isAnnotationPresent(SPI.class)) {
    ExtensionLoader<T> loader = ExtensionLoader.getExtensionLoader(type);
    if (!loader.getSupportedExtensions().isEmpty()) {
      return loader.getAdaptiveExtension();
    }
  }
  return null;
}

代码示例来源：origin: apache/incubator-dubbo

@Override
public <T> T getExtension(Class<T> type, String name) {
  if (type.isInterface() && type.isAnnotationPresent(SPI.class)) {
    ExtensionLoader<T> loader = ExtensionLoader.getExtensionLoader(type);
    if (!loader.getSupportedExtensions().isEmpty()) {
      return loader.getAdaptiveExtension();
    }
  }
  return null;
}