Polishing

(cherry picked from commit 67ba187)

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/ResourceHandlerRegistry.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 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.
@@ -46,40 +46,47 @@ import org.springframework.web.servlet.resource.ResourceHttpRequestHandler;
  *
  * @author Rossen Stoyanchev
  * @since 3.1
- *
  * @see DefaultServletHandlerConfigurer
  */
 public class ResourceHandlerRegistry {
 
 	private final ServletContext servletContext;
 
-	private final ApplicationContext appContext;
+	private final ApplicationContext applicationContext;
 
 	private final List<ResourceHandlerRegistration> registrations = new ArrayList<ResourceHandlerRegistration>();
 
 	private int order = Integer.MAX_VALUE -1;
 
 
+	/**
+	 * Create a new resource handler registry for the given application context.
+	 * @param applicationContext the Spring application context
+	 * @param servletContext the corresponding Servlet context
+	 */
 	public ResourceHandlerRegistry(ApplicationContext applicationContext, ServletContext servletContext) {
 		Assert.notNull(applicationContext, "ApplicationContext is required");
-		this.appContext = applicationContext;
+		this.applicationContext = applicationContext;
 		this.servletContext = servletContext;
 	}
 
 
 	/**
-	 * Add a resource handler for serving static resources based on the specified URL path patterns.
-	 * The handler will be invoked for every incoming request that matches to one of the specified path patterns.
-	 * @return A {@link ResourceHandlerRegistration} to use to further configure the registered resource handler.
+	 * Add a resource handler for serving static resources based on the specified URL path
+	 * patterns. The handler will be invoked for every incoming request that matches to
+	 * one of the specified path patterns.
+	 * @return A {@link ResourceHandlerRegistration} to use to further configure the
+	 * registered resource handler
 	 */
 	public ResourceHandlerRegistration addResourceHandler(String... pathPatterns) {
-		ResourceHandlerRegistration registration = new ResourceHandlerRegistration(this.appContext, pathPatterns);
+		ResourceHandlerRegistration registration =
+				new ResourceHandlerRegistration(this.applicationContext, pathPatterns);
 		this.registrations.add(registration);
 		return registration;
 	}
 
 	/**
-	 * Whether a resource handler has already been registered for the given pathPattern.
+	 * Whether a resource handler has already been registered for the given path pattern.
 	 */
 	public boolean hasMappingForPattern(String pathPattern) {
 		for (ResourceHandlerRegistration registration : this.registrations) {
@@ -91,8 +98,9 @@ public class ResourceHandlerRegistry {
 	}
 
 	/**
-	 * Specify the order to use for resource handling relative to other {@link HandlerMapping}s configured in
-	 * the Spring MVC application context. The default value used is {@code Integer.MAX_VALUE-1}.
+	 * Specify the order to use for resource handling relative to other {@link HandlerMapping}s
+	 * configured in the Spring MVC application context.
+	 * <p>The default value used is {@code Integer.MAX_VALUE-1}.
 	 */
 	public ResourceHandlerRegistry setOrder(int order) {
 		this.order = order;
@@ -100,10 +108,11 @@ public class ResourceHandlerRegistry {
 	}
 
 	/**
-	 * Return a handler mapping with the mapped resource handlers; or {@code null} in case of no registrations.
+	 * Return a handler mapping with the mapped resource handlers; or {@code null} in case
+	 * of no registrations.
 	 */
 	protected AbstractHandlerMapping getHandlerMapping() {
-		if (registrations.isEmpty()) {
+		if (this.registrations.isEmpty()) {
 			return null;
 		}
 
@@ -112,12 +121,12 @@ public class ResourceHandlerRegistry {
 			for (String pathPattern : registration.getPathPatterns()) {
 				ResourceHttpRequestHandler handler = registration.getRequestHandler();
 				handler.setServletContext(this.servletContext);
-				handler.setApplicationContext(this.appContext);
+				handler.setApplicationContext(this.applicationContext);
 				try {
 					handler.afterPropertiesSet();
 				}
-				catch (Exception e) {
-					throw new BeanInitializationException("Failed to init ResourceHttpRequestHandler", e);
+				catch (Exception ex) {
+					throw new BeanInitializationException("Failed to init ResourceHttpRequestHandler", ex);
 				}
 				urlMap.put(pathPattern, handler);
 			}

spring-webmvc/src/main/java/org/springframework/web/servlet/tags/UrlTag.java

@@ -181,8 +181,8 @@ public class UrlTag extends HtmlEscapingAwareTag implements ParamAware {
 			try {
 				pageContext.getOut().print(url);
 			}
-			catch (IOException e) {
-				throw new JspException(e);
+			catch (IOException ex) {
+				throw new JspException(ex);
 			}
 		}
 		else {

spring-webmvc/src/main/java/org/springframework/web/servlet/tags/form/AbstractHtmlElementBodyTag.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 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.
@@ -25,8 +25,8 @@ import org.springframework.util.StringUtils;
 
 /**
  * Convenient super class for many html tags that render content using the databinding
- * features of the {@link AbstractHtmlElementTag AbstractHtmlElementTag}. The only thing sub tags
- * need to do is override {@link #renderDefaultContent(TagWriter)}.
+ * features of the {@link AbstractHtmlElementTag AbstractHtmlElementTag}. The only thing
+ * sub-tags need to do is override {@link #renderDefaultContent(TagWriter)}.
  *
  * @author Rob Harrop
  * @author Juergen Hoeller
@@ -136,8 +136,8 @@ public abstract class AbstractHtmlElementBodyTag extends AbstractHtmlElementTag
 		try {
 			bodyContent.writeOut(bodyContent.getEnclosingWriter());
 		}
-		catch (IOException e) {
-			throw new JspException("Unable to write buffered body content.", e);
+		catch (IOException ex) {
+			throw new JspException("Unable to write buffered body content.", ex);
 		}
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/view/tiles3/SpringLocaleResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 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.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.web.servlet.view.tiles3;
 
 import java.util.Locale;
@@ -46,8 +47,8 @@ public class SpringLocaleResolver extends DefaultLocaleResolver {
 				return RequestContextUtils.getLocale(servletRequest);
 			}
 		}
-		catch (NotAServletEnvironmentException e) {
-			// Ignore
+		catch (NotAServletEnvironmentException ex) {
+			// ignore
 		}
 		return super.resolveLocale(request);
 	}