Polishing

(cherry picked from commit b5f2e56)
This commit is contained in:
Juergen Hoeller
2016-12-19 01:51:57 +01:00
parent 86614afb1a
commit b592dd7e2f
16 changed files with 130 additions and 132 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2016 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.
@@ -29,12 +29,14 @@ import org.springframework.http.ResponseEntity;
import org.springframework.util.concurrent.ListenableFuture;
/**
* Interface specifying a basic set of asynchronous RESTful operations. Implemented by
* {@link AsyncRestTemplate}. Not often used directly, but a useful option to enhance
* testability, as it can easily be mocked or stubbed.
* Interface specifying a basic set of asynchronous RESTful operations.
* Implemented by {@link AsyncRestTemplate}. Not often used directly, but a useful
* option to enhance testability, as it can easily be mocked or stubbed.
*
* @author Arjen Poutsma
* @since 4.0
* @see AsyncRestTemplate
* @see RestOperations
*/
public interface AsyncRestOperations {
@@ -47,8 +49,8 @@ public interface AsyncRestOperations {
// GET
/**
* Asynchronously retrieve an entity by doing a GET on the specified URL. The response is
* converted and stored in an {@link ResponseEntity}.
* Asynchronously retrieve an entity by doing a GET on the specified URL.
* The response is converted and stored in an {@link ResponseEntity}.
* <p>URI Template variables are expanded using the given URI variables, if any.
* @param url the URL
* @param responseType the type of the return value
@@ -59,8 +61,8 @@ public interface AsyncRestOperations {
Object... uriVariables) throws RestClientException;
/**
* Asynchronously retrieve a representation by doing a GET on the URI template. The
* response is converted and stored in an {@link ResponseEntity}.
* Asynchronously retrieve a representation by doing a GET on the URI template.
* The response is converted and stored in an {@link ResponseEntity}.
* <p>URI Template variables are expanded using the given map.
* @param url the URL
* @param responseType the type of the return value
@@ -80,6 +82,7 @@ public interface AsyncRestOperations {
<T> ListenableFuture<ResponseEntity<T>> getForEntity(URI url, Class<T> responseType)
throws RestClientException;
// HEAD
/**
@@ -109,6 +112,7 @@ public interface AsyncRestOperations {
*/
ListenableFuture<HttpHeaders> headForHeaders(URI url) throws RestClientException;
// POST
/**
@@ -117,7 +121,7 @@ public interface AsyncRestOperations {
* typically indicates where the new resource is stored.
* <p>URI Template variables are expanded using the given URI variables, if any.
* @param url the URL
* @param request the Object to be POSTed, may be {@code null}
* @param request the Object to be POSTed (may be {@code null})
* @param uriVariables the variables to expand the template
* @return the value for the {@code Location} header wrapped in a {@link Future}
* @see org.springframework.http.HttpEntity
@@ -131,7 +135,7 @@ public interface AsyncRestOperations {
* typically indicates where the new resource is stored.
* <p>URI Template variables are expanded using the given map.
* @param url the URL
* @param request the Object to be POSTed, may be {@code null}
* @param request the Object to be POSTed (may be {@code null})
* @param uriVariables the variables to expand the template
* @return the value for the {@code Location} header wrapped in a {@link Future}
* @see org.springframework.http.HttpEntity
@@ -144,7 +148,7 @@ public interface AsyncRestOperations {
* returns the value of the {@code Location} header. This header typically indicates
* where the new resource is stored.
* @param url the URL
* @param request the Object to be POSTed, may be {@code null}
* @param request the Object to be POSTed (may be {@code null})
* @return the value for the {@code Location} header wrapped in a {@link Future}
* @see org.springframework.http.HttpEntity
*/
@@ -155,7 +159,7 @@ public interface AsyncRestOperations {
* and asynchronously returns the response as {@link ResponseEntity}.
* <p>URI Template variables are expanded using the given URI variables, if any.
* @param url the URL
* @param request the Object to be POSTed, may be {@code null}
* @param request the Object to be POSTed (may be {@code null})
* @param uriVariables the variables to expand the template
* @return the entity wrapped in a {@link Future}
* @see org.springframework.http.HttpEntity
@@ -168,26 +172,26 @@ public interface AsyncRestOperations {
* and asynchronously returns the response as {@link ResponseEntity}.
* <p>URI Template variables are expanded using the given map.
* @param url the URL
* @param request the Object to be POSTed, may be {@code null}
* @param request the Object to be POSTed (may be {@code null})
* @param uriVariables the variables to expand the template
* @return the entity wrapped in a {@link Future}
* @see org.springframework.http.HttpEntity
*/
<T> ListenableFuture<ResponseEntity<T>> postForEntity(String url, HttpEntity<?> request,
Class<T> responseType, Map<String, ?> uriVariables)
throws RestClientException;
Class<T> responseType, Map<String, ?> uriVariables) throws RestClientException;
/**
* Create a new resource by POSTing the given object to the URL,
* and asynchronously returns the response as {@link ResponseEntity}.
* @param url the URL
* @param request the Object to be POSTed, may be {@code null}
* @param request the Object to be POSTed (may be {@code null})
* @return the entity wrapped in a {@link Future}
* @see org.springframework.http.HttpEntity
*/
<T> ListenableFuture<ResponseEntity<T>> postForEntity(URI url, HttpEntity<?> request,
Class<T> responseType) throws RestClientException;
// PUT
/**
@@ -195,7 +199,7 @@ public interface AsyncRestOperations {
* <p>URI Template variables are expanded using the given URI variables, if any.
* <p>The Future will return a {@code null} result upon completion.
* @param url the URL
* @param request the Object to be PUT, may be {@code null}
* @param request the Object to be PUT (may be {@code null})
* @param uriVariables the variables to expand the template
* @see HttpEntity
*/
@@ -207,7 +211,7 @@ public interface AsyncRestOperations {
* <p>URI Template variables are expanded using the given map.
* <p>The Future will return a {@code null} result upon completion.
* @param url the URL
* @param request the Object to be PUT, may be {@code null}
* @param request the Object to be PUT (may be {@code null})
* @param uriVariables the variables to expand the template
* @see HttpEntity
*/
@@ -218,11 +222,12 @@ public interface AsyncRestOperations {
* Creates a new resource by PUTting the given object to URL.
* <p>The Future will return a {@code null} result upon completion.
* @param url the URL
* @param request the Object to be PUT, may be {@code null}
* @param request the Object to be PUT (may be {@code null})
* @see HttpEntity
*/
ListenableFuture<?> put(URI url, HttpEntity<?> request) throws RestClientException;
// DELETE
/**
@@ -251,6 +256,7 @@ public interface AsyncRestOperations {
*/
ListenableFuture<?> delete(URI url) throws RestClientException;
// OPTIONS
/**
@@ -344,7 +350,7 @@ public interface AsyncRestOperations {
* @param url the URL
* @param method the HTTP method (GET, POST, etc)
* @param requestEntity the entity (headers and/or body) to write to the
* request, may be {@code null}
* request (may be {@code null})
* @param responseType the type of the return value
* @param uriVariables the variables to expand in the template
* @return the response as entity wrapped in a {@link Future}
@@ -364,7 +370,8 @@ public interface AsyncRestOperations {
* </pre>
* @param url the URL
* @param method the HTTP method (GET, POST, etc)
* @param requestEntity the entity (headers and/or body) to write to the request, may be {@code null}
* @param requestEntity the entity (headers and/or body) to write to the request
* (may be {@code null})
* @param responseType the type of the return value
* @param uriVariables the variables to expand in the template
* @return the response as entity wrapped in a {@link Future}
@@ -384,7 +391,8 @@ public interface AsyncRestOperations {
* </pre>
* @param url the URL
* @param method the HTTP method (GET, POST, etc)
* @param requestEntity the entity (headers and/or body) to write to the request, may be {@code null}
* @param requestEntity the entity (headers and/or body) to write to the request
* (may be {@code null})
* @param responseType the type of the return value
* @return the response as entity wrapped in a {@link Future}
*/

View File

@@ -58,10 +58,8 @@ import org.springframework.web.util.UriTemplateHandler;
* wrappers as opposed to concrete results.
*
* <p>The {@code AsyncRestTemplate} exposes a synchronous {@link RestTemplate} via the
* {@link #getRestOperations()} method, and it shares its
* {@linkplain #setErrorHandler(ResponseErrorHandler) error handler} and
* {@linkplain #setMessageConverters(List) message converters} with this
* {@code RestTemplate}.
* {@link #getRestOperations()} method and shares its {@linkplain #setErrorHandler error handler}
* and {@linkplain #setMessageConverters message converters} with that {@code RestTemplate}.
*
* <p><strong>Note:</strong> by default {@code AsyncRestTemplate} relies on
* standard JDK facilities to establish HTTP connections. You can switch to use

View File

@@ -179,44 +179,6 @@ public final class ModelFactory {
return result;
}
/**
* Derives the model attribute name for a method parameter based on:
* <ol>
* <li>The parameter {@code @ModelAttribute} annotation value
* <li>The parameter type
* </ol>
* @return the derived name; never {@code null} or an empty string
*/
public static String getNameForParameter(MethodParameter parameter) {
ModelAttribute ann = parameter.getParameterAnnotation(ModelAttribute.class);
String name = (ann != null ? ann.value() : null);
return StringUtils.hasText(name) ? name : Conventions.getVariableNameForParameter(parameter);
}
/**
* Derive the model attribute name for the given return value using one of:
* <ol>
* <li>The method {@code ModelAttribute} annotation value
* <li>The declared return type if it is more specific than {@code Object}
* <li>The actual return value type
* </ol>
* @param returnValue the value returned from a method invocation
* @param returnType the return type of the method
* @return the model name, never {@code null} nor empty
*/
public static String getNameForReturnValue(Object returnValue, MethodParameter returnType) {
ModelAttribute ann = returnType.getMethodAnnotation(ModelAttribute.class);
if (ann != null && StringUtils.hasText(ann.value())) {
return ann.value();
}
else {
Method method = returnType.getMethod();
Class<?> containingClass = returnType.getContainingClass();
Class<?> resolvedType = GenericTypeResolver.resolveReturnType(method, containingClass);
return Conventions.getVariableNameForReturnType(method, resolvedType, returnValue);
}
}
/**
* Promote model attributes listed as {@code @SessionAttributes} to the session.
* Add {@link BindingResult} attributes where necessary.
@@ -244,10 +206,8 @@ public final class ModelFactory {
List<String> keyNames = new ArrayList<String>(model.keySet());
for (String name : keyNames) {
Object value = model.get(name);
if (isBindingCandidate(name, value)) {
String bindingResultKey = BindingResult.MODEL_KEY_PREFIX + name;
if (!model.containsAttribute(bindingResultKey)) {
WebDataBinder dataBinder = this.dataBinderFactory.createBinder(request, value, name);
model.put(bindingResultKey, dataBinder.getBindingResult());
@@ -264,7 +224,7 @@ public final class ModelFactory {
return false;
}
Class<?> attrType = (value != null) ? value.getClass() : null;
Class<?> attrType = (value != null ? value.getClass() : null);
if (this.sessionAttributesHandler.isHandlerSessionAttribute(attributeName, attrType)) {
return true;
}
@@ -274,13 +234,53 @@ public final class ModelFactory {
}
/**
* Derive the model attribute name for a method parameter based on:
* <ol>
* <li>the parameter {@code @ModelAttribute} annotation value
* <li>the parameter type
* </ol>
* @param parameter a descriptor for the method parameter
* @return the derived name (never {@code null} or empty String)
*/
public static String getNameForParameter(MethodParameter parameter) {
ModelAttribute ann = parameter.getParameterAnnotation(ModelAttribute.class);
String name = (ann != null ? ann.value() : null);
return (StringUtils.hasText(name) ? name : Conventions.getVariableNameForParameter(parameter));
}
/**
* Derive the model attribute name for the given return value based on:
* <ol>
* <li>the method {@code ModelAttribute} annotation value
* <li>the declared return type if it is more specific than {@code Object}
* <li>the actual return value type
* </ol>
* @param returnValue the value returned from a method invocation
* @param returnType a descriptor for the return type of the method
* @return the derived name (never {@code null} or empty String)
*/
public static String getNameForReturnValue(Object returnValue, MethodParameter returnType) {
ModelAttribute ann = returnType.getMethodAnnotation(ModelAttribute.class);
if (ann != null && StringUtils.hasText(ann.value())) {
return ann.value();
}
else {
Method method = returnType.getMethod();
Class<?> containingClass = returnType.getContainingClass();
Class<?> resolvedType = GenericTypeResolver.resolveReturnType(method, containingClass);
return Conventions.getVariableNameForReturnType(method, resolvedType, returnValue);
}
}
private static class ModelMethod {
private final InvocableHandlerMethod handlerMethod;
private final Set<String> dependencies = new HashSet<String>();
private ModelMethod(InvocableHandlerMethod handlerMethod) {
public ModelMethod(InvocableHandlerMethod handlerMethod) {
this.handlerMethod = handlerMethod;
for (MethodParameter parameter : handlerMethod.getMethodParameters()) {
if (parameter.hasParameterAnnotation(ModelAttribute.class)) {

View File

@@ -193,7 +193,7 @@ final class HierarchicalUriComponents extends UriComponents {
String hostTo = encodeUriComponent(this.host, encoding, getHostType());
PathComponent pathTo = this.path.encode(encoding);
MultiValueMap<String, String> paramsTo = encodeQueryParams(encoding);
String fragmentTo = encodeUriComponent(this.getFragment(), encoding, Type.FRAGMENT);
String fragmentTo = encodeUriComponent(getFragment(), encoding, Type.FRAGMENT);
return new HierarchicalUriComponents(schemeTo, userInfoTo, hostTo, this.port,
pathTo, paramsTo, fragmentTo, true, false);
}
@@ -327,7 +327,7 @@ final class HierarchicalUriComponents extends UriComponents {
String portTo = expandUriComponent(this.port, uriVariables);
PathComponent pathTo = this.path.expand(uriVariables);
MultiValueMap<String, String> paramsTo = expandQueryParams(uriVariables);
String fragmentTo = expandUriComponent(this.getFragment(), uriVariables);
String fragmentTo = expandUriComponent(getFragment(), uriVariables);
return new HierarchicalUriComponents(schemeTo, userInfoTo, hostTo, portTo,
pathTo, paramsTo, fragmentTo, false, false);