/**
* This implementation expects the handler to be an {@link HandlerMethod}.
* @param handler the handler instance to check
* @return whether or not this adapter can adapt the given handler
*/
@Override
public final boolean supports(Object handler) {
return (handler instanceof HandlerMethod && supportsInternal((HandlerMethod) handler));
}
/**
* Given a handler method, return whether or not this adapter can support it.
* @param handlerMethod the handler method to check
* @return whether or not this adapter can adapt the given method
*/
protected abstract boolean supportsInternal(HandlerMethod handlerMethod);
/**
* This implementation expects the handler to be an {@link HandlerMethod}.
*/
@Override
@Nullable
public final ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
return handleInternal(request, response, (HandlerMethod) handler);
}
/**
* Use the given handler method to handle the request.
* @param request current HTTP request
* @param response current HTTP response
* @param handlerMethod handler method to use. This object must have previously been passed to the
* {@link #supportsInternal(HandlerMethod)} this interface, which must have returned {@code true}.
* @return a ModelAndView object with the name of the view and the required model data,
* or {@code null} if the request has been handled directly
* @throws Exception in case of errors
*/
@Nullable
protected abstract ModelAndView handleInternal(HttpServletRequest request,
HttpServletResponse response, HandlerMethod handlerMethod) throws Exception;
RequestMappingHandlerAdapter
public RequestMappingHandlerAdapter() {
StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();
stringHttpMessageConverter.setWriteAcceptCharset(false); // see SPR-7316
this.messageConverters = new ArrayList<>(4);
this.messageConverters.add(new ByteArrayHttpMessageConverter());
this.messageConverters.add(stringHttpMessageConverter);
try {
this.messageConverters.add(new SourceHttpMessageConverter<>());
}
catch (Error err) {
// Ignore when no TransformerFactory implementation is available
}
this.messageConverters.add(new AllEncompassingFormHttpMessageConverter());
}
@Override
public void afterPropertiesSet() {
// Do this first, it may add ResponseBody advice beans
initControllerAdviceCache();
if (this.argumentResolvers == null) {
List resolvers = getDefaultArgumentResolvers();
this.argumentResolvers = new HandlerMethodArgumentResolverComposite().addResolvers(resolvers);
}
if (this.initBinderArgumentResolvers == null) {
List resolvers = getDefaultInitBinderArgumentResolvers();
this.initBinderArgumentResolvers = new HandlerMethodArgumentResolverComposite().addResolvers(resolvers);
}
if (this.returnValueHandlers == null) {
List handlers = getDefaultReturnValueHandlers();
this.returnValueHandlers = new HandlerMethodReturnValueHandlerComposite().addHandlers(handlers);
}
}
private void initControllerAdviceCache() {
if (getApplicationContext() == null) {
return;
}
List adviceBeans = ControllerAdviceBean.findAnnotatedBeans(getApplicationContext());
AnnotationAwareOrderComparator.sort(adviceBeans);
List
--只包含执行部分的PL/SQL块
--set serveroutput off
begin
dbms_output.put_line('Hello,everyone!');
end;
select * from emp;
--包含定义部分和执行部分的PL/SQL块
declare
v_ename varchar2(5);
begin
select
转：http://stackoverflow.com/questions/6352208/how-to-solve-plugin-execution-not-covered-by-lifecycle-configuration-for-sprin
maven报错：
Plugin execution not covered by lifecycle configuration:
要使用MonkeyRunner，就要学习使用Python，哎
先抄一段官方doc里的代码
作用是启动一个程序（应该是启动程序默认的Activity），然后按MENU键，并截屏
# Imports the monkeyrunner modules used by this program
from com.android.monkeyrunner import MonkeyRun
