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This commit is contained in:
Juergen Hoeller
2018-02-02 11:34:03 +01:00
parent 4a1cc9ced7
commit 7f96827ade
5 changed files with 51 additions and 45 deletions
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35
spring-webmvc/src/main/java/org/springframework/web/servlet/View.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2018 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.
@@ -17,11 +17,9 @@
package org.springframework.web.servlet;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.http.MediaType;
import org.springframework.lang.Nullable;
/**
@@ -41,6 +39,7 @@ import org.springframework.lang.Nullable;
*
* @author Rod Johnson
* @author Arjen Poutsma
* @author Rossen Stoyanchev
* @see org.springframework.web.servlet.view.AbstractView
* @see org.springframework.web.servlet.view.InternalResourceView
*/
@@ -49,6 +48,7 @@ public interface View {
/**
* Name of the {@link HttpServletRequest} attribute that contains the response status code.
* <p>Note: This attribute is not required to be supported by all View implementations.
* @since 3.0
*/
String RESPONSE_STATUS_ATTRIBUTE = View.class.getName() + ".responseStatus";
@@ -56,41 +56,44 @@ public interface View {
* Name of the {@link HttpServletRequest} attribute that contains a Map with path variables.
* The map consists of String-based URI template variable names as keys and their corresponding
* Object-based values -- extracted from segments of the URL and type converted.
*
* <p>Note: This attribute is not required to be supported by all View implementations.
* @since 3.1
*/
String PATH_VARIABLES = View.class.getName() + ".pathVariables";
/**
* The {@link MediaType} selected during content negotiation, which may be
* more specific than the one the View is configured with. For example:
* The {@link org.springframework.http.MediaType} selected during content negotiation,
* which may be more specific than the one the View is configured with. For example:
* "application/vnd.example-v1+xml" vs "application/*+xml".
* @since 3.2
*/
String SELECTED_CONTENT_TYPE = View.class.getName() + ".selectedContentType";
/**
* Return the content type of the view, if predetermined.
* <p>Can be used to check the content type upfront,
* before the actual rendering process.
* <p>Can be used to check the view's content type upfront,
* i.e. before an actual rendering attempt.
* @return the content type String (optionally including a character set),
* or {@code null} if not predetermined.
* or {@code null} if not predetermined
*/
@Nullable
String getContentType();
default String getContentType() {
return null;
}
/**
* Render the view given the specified model.
* <p>The first step will be preparing the request: In the JSP case,
* this would mean setting model objects as request attributes.
* The second step will be the actual rendering of the view,
* for example including the JSP via a RequestDispatcher.
* <p>The first step will be preparing the request: In the JSP case, this would mean
* setting model objects as request attributes. The second step will be the actual
* rendering of the view, for example including the JSP via a RequestDispatcher.
* @param model Map with name Strings as keys and corresponding model
* objects as values (Map can also be {@code null} in case of empty model)
* @param request current HTTP request
* @param response HTTP response we are building
* @throws Exception if rendering failed
*/
void render(@Nullable Map<String, ?> model,
HttpServletRequest request, HttpServletResponse response) throws Exception;
void render(@Nullable Map<String, ?> model, HttpServletRequest request, HttpServletResponse response)
throws Exception;
}

25
spring-webmvc/src/main/java/org/springframework/web/servlet/support/BindStatus.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2018 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.
@@ -61,8 +61,13 @@ public class BindStatus {
@Nullable
private final Errors errors;
private final String[] errorCodes;
@Nullable
private BindingResult bindingResult;
private String[] errorMessages;
@Nullable
private List<? extends ObjectError> objectErrors;
@Nullable
private Object value;
@@ -77,12 +82,7 @@ public class BindStatus {
private PropertyEditor editor;
@Nullable
private List<? extends ObjectError> objectErrors;
private String[] errorCodes = new String[0];
@Nullable
private String[] errorMessages;
private BindingResult bindingResult;
/**
@@ -141,7 +141,7 @@ public class BindStatus {
else {
this.objectErrors = this.errors.getGlobalErrors();
}
initErrorCodes(this.objectErrors);
this.errorCodes = initErrorCodes(this.objectErrors);
}
else {
@@ -171,12 +171,13 @@ public class BindStatus {
/**
* Extract the error codes from the ObjectError list.
*/
private void initErrorCodes(List<? extends ObjectError> objectErrors) {
this.errorCodes = new String[objectErrors.size()];
private static String[] initErrorCodes(List<? extends ObjectError> objectErrors) {
String[] errorCodes = new String[objectErrors.size()];
for (int i = 0; i < objectErrors.size(); i++) {
ObjectError error = objectErrors.get(i);
this.errorCodes[i] = error.getCode();
errorCodes[i] = error.getCode();
}
return errorCodes;
}