提交 b7304651 编写于 作者: J Juergen Hoeller

Deprecate logger field in HandlerMethodArgumentResolverComposite

上级 a8623dbb
/*
* Copyright 2002-2018 the original author or authors.
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
......@@ -27,8 +27,8 @@ import org.springframework.messaging.Message;
/**
* Resolves method parameters by delegating to a list of registered
* {@link HandlerMethodArgumentResolver}. Previously resolved method parameters are cached
* for faster lookups.
* {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* Previously resolved method parameters are cached for faster lookups.
*
* @author Rossen Stoyanchev
* @author Juergen Hoeller
......@@ -51,26 +51,22 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
}
/**
* Add the given {@link HandlerMethodArgumentResolver}s.
* Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* @since 4.3
*/
public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers) {
if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : resolvers) {
this.argumentResolvers.add(resolver);
}
Collections.addAll(this.argumentResolvers, resolvers);
}
return this;
}
/**
* Add the given {@link HandlerMethodArgumentResolver}s.
* Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
*/
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> argumentResolvers) {
if (argumentResolvers != null) {
for (HandlerMethodArgumentResolver resolver : argumentResolvers) {
this.argumentResolvers.add(resolver);
}
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers) {
if (resolvers != null) {
this.argumentResolvers.addAll(resolvers);
}
return this;
}
......@@ -91,8 +87,8 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
/**
* Whether the given {@linkplain MethodParameter method parameter} is supported by any registered
* {@link HandlerMethodArgumentResolver}.
* Whether the given {@linkplain MethodParameter method parameter} is
* supported by any registered {@link HandlerMethodArgumentResolver}.
*/
@Override
public boolean supportsParameter(MethodParameter parameter) {
......@@ -100,20 +96,25 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
}
/**
* Iterate over registered {@link HandlerMethodArgumentResolver}s and invoke the one that supports it.
* @throws IllegalStateException if no suitable {@link HandlerMethodArgumentResolver} is found.
* Iterate over registered
* {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}
* and invoke the one that supports it.
* @throws IllegalStateException if no suitable
* {@link HandlerMethodArgumentResolver} is found.
*/
@Override
public Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception {
HandlerMethodArgumentResolver resolver = getArgumentResolver(parameter);
if (resolver == null) {
throw new IllegalStateException("Unknown parameter type [" + parameter.getParameterType().getName() + "]");
throw new IllegalArgumentException("Unsupported parameter type [" +
parameter.getParameterType().getName() + "]. supportsParameter should be called first.");
}
return resolver.resolveArgument(parameter, message);
}
/**
* Find a registered {@link HandlerMethodArgumentResolver} that supports the given method parameter.
* Find a registered {@link HandlerMethodArgumentResolver} that supports
* the given method parameter.
*/
private HandlerMethodArgumentResolver getArgumentResolver(MethodParameter parameter) {
HandlerMethodArgumentResolver result = this.argumentResolverCache.get(parameter);
......
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
......@@ -30,7 +30,8 @@ import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
/**
* Resolves method parameters by delegating to a list of registered {@link HandlerMethodArgumentResolver}s.
* Resolves method parameters by delegating to a list of registered
* {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* Previously resolved method parameters are cached for faster lookups.
*
* @author Rossen Stoyanchev
......@@ -39,6 +40,7 @@ import org.springframework.web.context.request.NativeWebRequest;
*/
public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgumentResolver {
@Deprecated
protected final Log logger = LogFactory.getLog(getClass());
private final List<HandlerMethodArgumentResolver> argumentResolvers =
......@@ -57,26 +59,22 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
}
/**
* Add the given {@link HandlerMethodArgumentResolver}s.
* Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* @since 4.3
*/
public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers) {
if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : resolvers) {
this.argumentResolvers.add(resolver);
}
Collections.addAll(this.argumentResolvers, resolvers);
}
return this;
}
/**
* Add the given {@link HandlerMethodArgumentResolver}s.
* Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
*/
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers) {
if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : resolvers) {
this.argumentResolvers.add(resolver);
}
this.argumentResolvers.addAll(resolvers);
}
return this;
}
......@@ -98,17 +96,20 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
/**
* Whether the given {@linkplain MethodParameter method parameter} is supported by any registered
* {@link HandlerMethodArgumentResolver}.
* Whether the given {@linkplain MethodParameter method parameter} is
* supported by any registered {@link HandlerMethodArgumentResolver}.
*/
@Override
public boolean supportsParameter(MethodParameter parameter) {
return (getArgumentResolver(parameter) != null);
return getArgumentResolver(parameter) != null;
}
/**
* Iterate over registered {@link HandlerMethodArgumentResolver}s and invoke the one that supports it.
* @throws IllegalStateException if no suitable {@link HandlerMethodArgumentResolver} is found.
* Iterate over registered
* {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers} and
* invoke the one that supports it.
* @throws IllegalStateException if no suitable
* {@link HandlerMethodArgumentResolver} is found.
*/
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
......@@ -116,22 +117,20 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
HandlerMethodArgumentResolver resolver = getArgumentResolver(parameter);
if (resolver == null) {
throw new IllegalArgumentException("Unknown parameter type [" + parameter.getParameterType().getName() + "]");
throw new IllegalArgumentException("Unsupported parameter type [" +
parameter.getParameterType().getName() + "]. supportsParameter should be called first.");
}
return resolver.resolveArgument(parameter, mavContainer, webRequest, binderFactory);
}
/**
* Find a registered {@link HandlerMethodArgumentResolver} that supports the given method parameter.
* Find a registered {@link HandlerMethodArgumentResolver} that supports
* the given method parameter.
*/
private HandlerMethodArgumentResolver getArgumentResolver(MethodParameter parameter) {
HandlerMethodArgumentResolver result = this.argumentResolverCache.get(parameter);
if (result == null) {
for (HandlerMethodArgumentResolver methodArgumentResolver : this.argumentResolvers) {
if (logger.isTraceEnabled()) {
logger.trace("Testing if argument resolver [" + methodArgumentResolver + "] supports [" +
parameter.getGenericParameterType() + "]");
}
if (methodArgumentResolver.supportsParameter(parameter)) {
result = methodArgumentResolver;
this.argumentResolverCache.put(parameter, result);
......
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