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"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
...@@ -27,8 +27,8 @@ import org.springframework.messaging.Message; ...@@ -27,8 +27,8 @@ import org.springframework.messaging.Message;
/** /**
* Resolves method parameters by delegating to a list of registered * Resolves method parameters by delegating to a list of registered
* {@link HandlerMethodArgumentResolver}. Previously resolved method parameters are cached * {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* for faster lookups. * Previously resolved method parameters are cached for faster lookups.
* *
* @author Rossen Stoyanchev * @author Rossen Stoyanchev
* @author Juergen Hoeller * @author Juergen Hoeller
...@@ -51,26 +51,22 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu ...@@ -51,26 +51,22 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
} }
/** /**
* Add the given {@link HandlerMethodArgumentResolver}s. * Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* @since 4.3 * @since 4.3
*/ */
public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers) { public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers) {
if (resolvers != null) { if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : resolvers) { Collections.addAll(this.argumentResolvers, resolvers);
this.argumentResolvers.add(resolver);
}
} }
return this; return this;
} }
/** /**
* Add the given {@link HandlerMethodArgumentResolver}s. * Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
*/ */
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> argumentResolvers) { public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers) {
if (argumentResolvers != null) { if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : argumentResolvers) { this.argumentResolvers.addAll(resolvers);
this.argumentResolvers.add(resolver);
}
} }
return this; return this;
} }
...@@ -91,8 +87,8 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu ...@@ -91,8 +87,8 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
/** /**
* Whether the given {@linkplain MethodParameter method parameter} is supported by any registered * Whether the given {@linkplain MethodParameter method parameter} is
* {@link HandlerMethodArgumentResolver}. * supported by any registered {@link HandlerMethodArgumentResolver}.
*/ */
@Override @Override
public boolean supportsParameter(MethodParameter parameter) { public boolean supportsParameter(MethodParameter parameter) {
...@@ -100,20 +96,25 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu ...@@ -100,20 +96,25 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
} }
/** /**
* Iterate over registered {@link HandlerMethodArgumentResolver}s and invoke the one that supports it. * Iterate over registered
* @throws IllegalStateException if no suitable {@link HandlerMethodArgumentResolver} is found. * {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}
* and invoke the one that supports it.
* @throws IllegalStateException if no suitable
* {@link HandlerMethodArgumentResolver} is found.
*/ */
@Override @Override
public Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception { public Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception {
HandlerMethodArgumentResolver resolver = getArgumentResolver(parameter); HandlerMethodArgumentResolver resolver = getArgumentResolver(parameter);
if (resolver == null) { 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); 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) { private HandlerMethodArgumentResolver getArgumentResolver(MethodParameter parameter) {
HandlerMethodArgumentResolver result = this.argumentResolverCache.get(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"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with 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; ...@@ -30,7 +30,8 @@ import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest; 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. * Previously resolved method parameters are cached for faster lookups.
* *
* @author Rossen Stoyanchev * @author Rossen Stoyanchev
...@@ -39,6 +40,7 @@ import org.springframework.web.context.request.NativeWebRequest; ...@@ -39,6 +40,7 @@ import org.springframework.web.context.request.NativeWebRequest;
*/ */
public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgumentResolver { public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgumentResolver {
@Deprecated
protected final Log logger = LogFactory.getLog(getClass()); protected final Log logger = LogFactory.getLog(getClass());
private final List<HandlerMethodArgumentResolver> argumentResolvers = private final List<HandlerMethodArgumentResolver> argumentResolvers =
...@@ -57,26 +59,22 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu ...@@ -57,26 +59,22 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
} }
/** /**
* Add the given {@link HandlerMethodArgumentResolver}s. * Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
* @since 4.3 * @since 4.3
*/ */
public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers) { public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers) {
if (resolvers != null) { if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : resolvers) { Collections.addAll(this.argumentResolvers, resolvers);
this.argumentResolvers.add(resolver);
}
} }
return this; return this;
} }
/** /**
* Add the given {@link HandlerMethodArgumentResolver}s. * Add the given {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers}.
*/ */
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers) { public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers) {
if (resolvers != null) { if (resolvers != null) {
for (HandlerMethodArgumentResolver resolver : resolvers) { this.argumentResolvers.addAll(resolvers);
this.argumentResolvers.add(resolver);
}
} }
return this; return this;
} }
...@@ -98,17 +96,20 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu ...@@ -98,17 +96,20 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
/** /**
* Whether the given {@linkplain MethodParameter method parameter} is supported by any registered * Whether the given {@linkplain MethodParameter method parameter} is
* {@link HandlerMethodArgumentResolver}. * supported by any registered {@link HandlerMethodArgumentResolver}.
*/ */
@Override @Override
public boolean supportsParameter(MethodParameter parameter) { 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. * Iterate over registered
* @throws IllegalStateException if no suitable {@link HandlerMethodArgumentResolver} is found. * {@link HandlerMethodArgumentResolver HandlerMethodArgumentResolvers} and
* invoke the one that supports it.
* @throws IllegalStateException if no suitable
* {@link HandlerMethodArgumentResolver} is found.
*/ */
@Override @Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
...@@ -116,22 +117,20 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu ...@@ -116,22 +117,20 @@ public class HandlerMethodArgumentResolverComposite implements HandlerMethodArgu
HandlerMethodArgumentResolver resolver = getArgumentResolver(parameter); HandlerMethodArgumentResolver resolver = getArgumentResolver(parameter);
if (resolver == null) { 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); 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) { private HandlerMethodArgumentResolver getArgumentResolver(MethodParameter parameter) {
HandlerMethodArgumentResolver result = this.argumentResolverCache.get(parameter); HandlerMethodArgumentResolver result = this.argumentResolverCache.get(parameter);
if (result == null) { if (result == null) {
for (HandlerMethodArgumentResolver methodArgumentResolver : this.argumentResolvers) { for (HandlerMethodArgumentResolver methodArgumentResolver : this.argumentResolvers) {
if (logger.isTraceEnabled()) {
logger.trace("Testing if argument resolver [" + methodArgumentResolver + "] supports [" +
parameter.getGenericParameterType() + "]");
}
if (methodArgumentResolver.supportsParameter(parameter)) { if (methodArgumentResolver.supportsParameter(parameter)) {
result = methodArgumentResolver; result = methodArgumentResolver;
this.argumentResolverCache.put(parameter, result); this.argumentResolverCache.put(parameter, result);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册