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Replace cascading if statements with switch statement 

Closes gh-25308
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May 2020-06-24 19:54:17 +08:00 committed by GitHub
parent 751739442b
commit bc9b9bc477
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1 changed files with 18 additions and 17 deletions
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35
spring-webmvc/src/main/java/org/springframework/web/servlet/config/ViewControllerBeanDefinitionParser.java
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@ -81,24 +81,25 @@ class ViewControllerBeanDefinitionParser implements BeanDefinitionParser {
} }
String name = element.getLocalName(); String name = element.getLocalName();
if (name.equals("view-controller")) { switch (name) {
if (element.hasAttribute("view-name")) { case "view-controller":
controller.getPropertyValues().add("viewName", element.getAttribute("view-name")); if (element.hasAttribute("view-name")) {
} controller.getPropertyValues().add("viewName", element.getAttribute("view-name"));
if (statusCode != null) { }
if (statusCode != null) {
controller.getPropertyValues().add("statusCode", statusCode);
}
break;
case "redirect-view-controller":
controller.getPropertyValues().add("view", getRedirectView(element, statusCode, source));
break;
case "status-controller":
controller.getPropertyValues().add("statusCode", statusCode); controller.getPropertyValues().add("statusCode", statusCode);
} controller.getPropertyValues().add("statusOnly", true);
} break;
else if (name.equals("redirect-view-controller")) { default:
controller.getPropertyValues().add("view", getRedirectView(element, statusCode, source)); // Should never happen...
} throw new IllegalStateException("Unexpected tag name: " + name);
else if (name.equals("status-controller")) {
controller.getPropertyValues().add("statusCode", statusCode);
controller.getPropertyValues().add("statusOnly", true);
}
else {
// Should never happen...
throw new IllegalStateException("Unexpected tag name: " + name);
} }
Map<String, BeanDefinition> urlMap = (Map<String, BeanDefinition>) hm.getPropertyValues().get("urlMap"); Map<String, BeanDefinition> urlMap = (Map<String, BeanDefinition>) hm.getPropertyValues().get("urlMap");