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polishing

This commit is contained in:
Juergen Hoeller 2010-03-30 23:35:13 +00:00
parent de84703c02
commit ad78b5cdb5
2 changed files with 75 additions and 75 deletions
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54
org.springframework.web/src/main/java/org/springframework/http/HttpEntity.java
View File

@ -37,10 +37,10 @@ import org.springframework.util.MultiValueMap;
* </pre>
*
* @author Arjen Poutsma
* @since 3.0.2
* @see org.springframework.web.client.RestTemplate
* @see #getBody()
* @see #getHeaders()
* @since 3.0.2
*/
public class HttpEntity<T> {
@ -49,10 +49,12 @@ public class HttpEntity<T> {
*/
public static final HttpEntity EMPTY = new HttpEntity();
private final HttpHeaders headers;
private final T body;
/**
* Create a new, empty {@code HttpEntity}.
*/
@ -62,7 +64,6 @@ public class HttpEntity<T> {
/**
* Create a new {@code HttpEntity} with the given body and no headers.
*
* @param body the entity body
*/
public HttpEntity(T body) {
@ -71,7 +72,6 @@ public class HttpEntity<T> {
/**
* Create a new {@code HttpEntity} with the given headers and no body.
*
* @param headers the entity headers
*/
public HttpEntity(Map<String, String> headers) {
@ -80,7 +80,6 @@ public class HttpEntity<T> {
/**
* Create a new {@code HttpEntity} with the given headers and no body.
*
* @param headers the entity headers
*/
public HttpEntity(MultiValueMap<String, String> headers) {
@ -89,7 +88,6 @@ public class HttpEntity<T> {
/**
* Create a new {@code HttpEntity} with the given body and {@code Content-Type} header value.
*
* @param body the entity body
* @param contentType the value of the {@code Content-Type header}
*/
@ -99,7 +97,6 @@ public class HttpEntity<T> {
/**
* Create a new {@code HttpEntity} with the given body and headers.
*
* @param body the entity body
* @param headers the entity headers
*/
@ -109,7 +106,6 @@ public class HttpEntity<T> {
/**
* Create a new {@code HttpEntity} with the given body and headers.
*
* @param body the entity body
* @param headers the entity headers
*/
@ -122,6 +118,29 @@ public class HttpEntity<T> {
this.headers = HttpHeaders.readOnlyHttpHeaders(tempHeaders);
}
/**
* Returns the headers of this entity.
*/
public HttpHeaders getHeaders() {
return this.headers;
}
/**
* Returns the body of this entity.
*/
public T getBody() {
return this.body;
}
/**
* Indicates whether this entity has a body.
*/
public boolean hasBody() {
return (this.body != null);
}
private static MultiValueMap<String, String> toMultiValueMap(Map<String, String> map) {
if (map == null) {
return null;
@ -144,25 +163,4 @@ public class HttpEntity<T> {
}
}
/**
* Returns the headers of this entity.
*/
public HttpHeaders getHeaders() {
return headers;
}
/**
* Returns the body of this entity.
*/
public T getBody() {
return body;
}
/**
* Indicates whether this entity has a body.
*/
public boolean hasBody() {
return body != null;
}
}

86
org.springframework.web/src/main/java/org/springframework/web/bind/annotation/support/HandlerMethodInvoker.java
View File

@ -185,7 +185,44 @@ public class HandlerMethodInvoker {
}
}
@SuppressWarnings("unchecked")
public final void updateModelAttributes(Object handler, Map<String, Object> mavModel,
ExtendedModelMap implicitModel, NativeWebRequest webRequest) throws Exception {
if (this.methodResolver.hasSessionAttributes() && this.sessionStatus.isComplete()) {
for (String attrName : this.methodResolver.getActualSessionAttributeNames()) {
this.sessionAttributeStore.cleanupAttribute(webRequest, attrName);
}
}
// Expose model attributes as session attributes, if required.
// Expose BindingResults for all attributes, making custom editors available.
Map<String, Object> model = (mavModel != null ? mavModel : implicitModel);
try {
for (String attrName : new HashSet<String>(model.keySet())) {
Object attrValue = model.get(attrName);
boolean isSessionAttr =
this.methodResolver.isSessionAttribute(attrName, (attrValue != null ? attrValue.getClass() : null));
if (isSessionAttr && !this.sessionStatus.isComplete()) {
this.sessionAttributeStore.storeAttribute(webRequest, attrName, attrValue);
}
if (!attrName.startsWith(BindingResult.MODEL_KEY_PREFIX) &&
(isSessionAttr || isBindingCandidate(attrValue))) {
String bindingResultKey = BindingResult.MODEL_KEY_PREFIX + attrName;
if (mavModel != null && !model.containsKey(bindingResultKey)) {
WebDataBinder binder = createBinder(webRequest, attrValue, attrName);
initBinder(handler, attrName, binder, webRequest);
mavModel.put(bindingResultKey, binder.getBindingResult());
}
}
}
}
catch (InvocationTargetException ex) {
// User-defined @InitBinder method threw an exception...
ReflectionUtils.rethrowException(ex.getTargetException());
}
}
private Object[] resolveHandlerArguments(Method handlerMethod, Object handler,
NativeWebRequest webRequest, ExtendedModelMap implicitModel) throws Exception {
@ -274,7 +311,7 @@ public class HandlerMethodInvoker {
args[i] = this.sessionStatus;
}
else if (HttpEntity.class.isAssignableFrom(paramType)) {
args[i] = resolveHttpEntityRequest(methodParam, webRequest, handler);
args[i] = resolveHttpEntityRequest(methodParam, webRequest);
}
else if (Errors.class.isAssignableFrom(paramType)) {
throw new IllegalStateException("Errors/BindingResult argument declared " +
@ -546,20 +583,22 @@ public class HandlerMethodInvoker {
*/
protected Object resolveRequestBody(MethodParameter methodParam, NativeWebRequest webRequest, Object handler)
throws Exception {
return readWithMessageConverters(methodParam, createHttpInputMessage(webRequest), methodParam.getParameterType());
}
@SuppressWarnings("unchecked")
private HttpEntity resolveHttpEntityRequest(MethodParameter methodParam, NativeWebRequest webRequest, Object handler)
private HttpEntity resolveHttpEntityRequest(MethodParameter methodParam, NativeWebRequest webRequest)
throws Exception {
HttpInputMessage inputMessage = createHttpInputMessage(webRequest);
Class<?> paramType = getHttpEntityType(methodParam);
Object body = readWithMessageConverters(methodParam, inputMessage, paramType);
return new HttpEntity(body, inputMessage.getHeaders());
return new HttpEntity<Object>(body, inputMessage.getHeaders());
}
private Object readWithMessageConverters(MethodParameter methodParam, HttpInputMessage inputMessage, Class paramType)
throws Exception {
MediaType contentType = inputMessage.getHeaders().getContentType();
if (contentType == null) {
StringBuilder builder = new StringBuilder(ClassUtils.getShortName(methodParam.getParameterType()));
@ -717,43 +756,6 @@ public class HandlerMethodInvoker {
return binder;
}
@SuppressWarnings("unchecked")
public final void updateModelAttributes(Object handler, Map<String, Object> mavModel,
ExtendedModelMap implicitModel, NativeWebRequest webRequest) throws Exception {
if (this.methodResolver.hasSessionAttributes() && this.sessionStatus.isComplete()) {
for (String attrName : this.methodResolver.getActualSessionAttributeNames()) {
this.sessionAttributeStore.cleanupAttribute(webRequest, attrName);
}
}
// Expose model attributes as session attributes, if required.
// Expose BindingResults for all attributes, making custom editors available.
Map<String, Object> model = (mavModel != null ? mavModel : implicitModel);
try {
for (String attrName : new HashSet<String>(model.keySet())) {
Object attrValue = model.get(attrName);
boolean isSessionAttr =
this.methodResolver.isSessionAttribute(attrName, (attrValue != null ? attrValue.getClass() : null));
if (isSessionAttr && !this.sessionStatus.isComplete()) {
this.sessionAttributeStore.storeAttribute(webRequest, attrName, attrValue);
}
if (!attrName.startsWith(BindingResult.MODEL_KEY_PREFIX) &&
(isSessionAttr || isBindingCandidate(attrValue))) {
String bindingResultKey = BindingResult.MODEL_KEY_PREFIX + attrName;
if (mavModel != null && !model.containsKey(bindingResultKey)) {
WebDataBinder binder = createBinder(webRequest, attrValue, attrName);
initBinder(handler, attrName, binder, webRequest);
mavModel.put(bindingResultKey, binder.getBindingResult());
}
}
}
}
catch (InvocationTargetException ex) {
// User-defined @InitBinder method threw an exception...
ReflectionUtils.rethrowException(ex.getTargetException());
}
}
/**
* Determine whether the given value qualifies as a "binding candidate", i.e. might potentially be subject to