Polishing

spring-core/src/main/java/org/springframework/core/codec/StringDecoder.java

@@ -103,6 +103,7 @@ public Charset getDefaultCharset() {
 		return this.defaultCharset;
 	}
 
+
 	@Override
 	public boolean canDecode(ResolvableType elementType, @Nullable MimeType mimeType) {
 		return (elementType.resolve() == String.class && super.canDecode(elementType, mimeType));
@@ -167,7 +168,6 @@ private Charset getCharset(@Nullable MimeType mimeType) {
 
 	/**
 	 * Finds the first match and longest delimiter, {@link EndFrameBuffer} just after it.
-	 *
 	 * @param dataBuffer the buffer to find delimiters in
 	 * @param matcher used to find the first delimiters
 	 * @return a flux of buffers, containing {@link EndFrameBuffer} after each delimiter that was
@@ -221,16 +221,13 @@ private static DataBuffer joinAndStrip(List<DataBuffer> dataBuffers, boolean str
 		}
 
 		DataBuffer result = dataBuffers.get(0).factory().join(dataBuffers);
-
 		if (stripDelimiter && matchingDelimiter != null) {
 			result.writePosition(result.writePosition() - matchingDelimiter.length);
 		}
 		return result;
 	}
 
 
-
-
 	/**
 	 * Create a {@code StringDecoder} for {@code "text/plain"}.
 	 * @param stripDelimiter this flag is ignored
@@ -293,8 +290,7 @@ private static class EndFrameBuffer extends DataBufferWrapper {
 
 		private static final DataBuffer BUFFER = new DefaultDataBufferFactory().wrap(new byte[0]);
 
-		private byte[] delimiter;
-
+		private final byte[] delimiter;
 
 		public EndFrameBuffer(byte[] delimiter) {
 			super(BUFFER);
@@ -304,7 +300,6 @@ public EndFrameBuffer(byte[] delimiter) {
 		public byte[] delimiter() {
 			return this.delimiter;
 		}
-
 	}
 
 
@@ -313,7 +308,6 @@ private static class LimitChecker implements Consumer<DataBuffer> {
 		@SuppressWarnings("MismatchedQueryAndUpdateOfCollection")
 		private final LimitedDataBufferList list;
 
-
 		LimitChecker(int maxInMemorySize) {
 			this.list = new LimitedDataBufferList(maxInMemorySize);
 		}

spring-core/src/main/java/org/springframework/core/convert/support/StringToBooleanConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -30,9 +30,9 @@
  */
 final class StringToBooleanConverter implements Converter<String, Boolean> {
 
-	private static final Set<String> trueValues = new HashSet<>(4);
+	private static final Set<String> trueValues = new HashSet<>(8);
 
-	private static final Set<String> falseValues = new HashSet<>(4);
+	private static final Set<String> falseValues = new HashSet<>(8);
 
 	static {
 		trueValues.add("true");
@@ -46,6 +46,7 @@ final class StringToBooleanConverter implements Converter<String, Boolean> {
 		falseValues.add("0");
 	}
 
+
 	@Override
 	public Boolean convert(String source) {
 		String value = source.trim();

spring-core/src/main/java/org/springframework/core/convert/support/StringToUUIDConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -19,6 +19,7 @@
 import java.util.UUID;
 
 import org.springframework.core.convert.converter.Converter;
+import org.springframework.lang.Nullable;
 import org.springframework.util.StringUtils;
 
 /**
@@ -31,6 +32,7 @@
 final class StringToUUIDConverter implements Converter<String, UUID> {
 
 	@Override
+	@Nullable
 	public UUID convert(String source) {
 		return (StringUtils.hasText(source) ? UUID.fromString(source.trim()) : null);
 	}

spring-web/src/main/java/org/springframework/http/ContentDisposition.java

@@ -556,7 +556,7 @@ public interface Builder {
 
 	private static class BuilderImpl implements Builder {
 
-		private String type;
+		private final String type;
 
 		@Nullable
 		private String name;

src/docs/asciidoc/core/core-aop-api.adoc

@@ -103,13 +103,13 @@ The `MethodMatcher` interface is normally more important. The complete interface
 The `matches(Method, Class)` method is used to test whether this pointcut ever
 matches a given method on a target class. This evaluation can be performed when an AOP
 proxy is created to avoid the need for a test on every method invocation. If the
-two-argument `matches` method returns `true` for a given method, and the `isRuntime()` method
-for the MethodMatcher returns `true`, the three-argument matches method is invoked on
-every method invocation. This lets a pointcut look at the arguments passed to the
-method invocation immediately before the target advice starts.
+two-argument `matches` method returns `true` for a given method, and the `isRuntime()`
+method for the MethodMatcher returns `true`, the three-argument matches method is
+invoked on every method invocation. This lets a pointcut look at the arguments passed
+to the method invocation immediately before the target advice starts.
 
-Most `MethodMatcher` implementations are static, meaning that their `isRuntime()` method returns `false`.
-In this case, the three-argument `matches` method is never invoked.
+Most `MethodMatcher` implementations are static, meaning that their `isRuntime()` method
+returns `false`. In this case, the three-argument `matches` method is never invoked.
 
 TIP: If possible, try to make pointcuts static, allowing the AOP framework to cache the
 results of pointcut evaluation when an AOP proxy is created.
@@ -145,20 +145,20 @@ See the <<aop, previous chapter>> for a discussion of supported AspectJ pointcut
 [[aop-api-pointcuts-impls]]
 === Convenience Pointcut Implementations
 
-Spring provides several convenient pointcut implementations. You can use some of them directly.
-Others are intended to be subclassed in application-specific pointcuts.
+Spring provides several convenient pointcut implementations. You can use some of them
+directly; others are intended to be subclassed in application-specific pointcuts.
 
 
 [[aop-api-pointcuts-static]]
 ==== Static Pointcuts
 
-Static pointcuts are based on the method and the target class and cannot take into account the
-method's arguments. Static pointcuts suffice -- and are best -- for most usages.
-Spring can evaluate a static pointcut only once, when a method is first
-invoked. After that, there is no need to evaluate the pointcut again with each method
-invocation.
+Static pointcuts are based on the method and the target class and cannot take into account
+the method's arguments. Static pointcuts suffice -- and are best -- for most usages.
+Spring can evaluate a static pointcut only once, when a method is first invoked.
+After that, there is no need to evaluate the pointcut again with each method invocation.
 
-The rest of this section describes some of the static pointcut implementations that are included with Spring.
+The rest of this section describes some of the static pointcut implementations that are
+included with Spring.
 
 [[aop-api-pointcuts-regex]]
 ===== Regular Expression Pointcuts
@@ -168,9 +168,9 @@ frameworks besides Spring make this possible.
 `org.springframework.aop.support.JdkRegexpMethodPointcut` is a generic regular
 expression pointcut that uses the regular expression support in the JDK.
 
-With the `JdkRegexpMethodPointcut` class, you can provide a list of pattern strings. If
-any of these is a match, the pointcut evaluates to `true`. (So, the result is
-effectively the union of these pointcuts.)
+With the `JdkRegexpMethodPointcut` class, you can provide a list of pattern strings.
+If any of these is a match, the pointcut evaluates to `true`. (As a consequence,
+the resulting pointcut is effectively the union of the specified patterns.)
 
 The following example shows how to use `JdkRegexpMethodPointcut`:
 

src/docs/asciidoc/core/core-aop.adoc

@@ -1649,7 +1649,7 @@ join point, unless you specify otherwise, the order of execution is undefined. Y
 control the order of execution by specifying precedence. This is done in the normal
 Spring way by either implementing the `org.springframework.core.Ordered` interface in
 the aspect class or annotating it with the `@Order` annotation. Given two aspects, the
-aspect returning the lower value from `Ordered.getValue()` (or the annotation value) has
+aspect returning the lower value from `Ordered.getOrder()` (or the annotation value) has
 the higher precedence.
 
 [NOTE]
@@ -2918,7 +2918,7 @@ an aspect weaving phase to your build script.
 If you have chosen to use Spring AOP, you have a choice of @AspectJ or XML style.
 There are various tradeoffs to consider.
 
-The XML style may most familiar to existing Spring users, and it is backed by genuine
+The XML style may be most familiar to existing Spring users, and it is backed by genuine
 POJOs. When using AOP as a tool to configure enterprise services, XML can be a good
 choice (a good test is whether you consider the pointcut expression to be a part of your
 configuration that you might want to change independently). With the XML style, it is

src/docs/asciidoc/core/core-beans.adoc

@@ -42,7 +42,7 @@ information on using the `BeanFactory` instead of the `ApplicationContext,` see
 
 In Spring, the objects that form the backbone of your application and that are managed
 by the Spring IoC container are called beans. A bean is an object that is
-instantiated, assembled, and otherwise managed by a Spring IoC container. Otherwise, a
+instantiated, assembled, and managed by a Spring IoC container. Otherwise, a
 bean is simply one of many objects in your application. Beans, and the dependencies
 among them, are reflected in the configuration metadata used by a container.
 
@@ -2125,7 +2125,7 @@ startup, because it must satisfy the singleton's dependencies. The lazy-initiali
 is injected into a singleton bean elsewhere that is not lazy-initialized.
 
 You can also control lazy-initialization at the container level by using the
-`default-lazy-init` attribute on the `<beans/>` element, a the following example shows:
+`default-lazy-init` attribute on the `<beans/>` element, as the following example shows:
 
 [source,xml,indent=0,subs="verbatim,quotes"]
 ----
@@ -4429,7 +4429,8 @@ which these `BeanFactoryPostProcessor` instances run by setting the `order` prop
 However, you can only set this property if the `BeanFactoryPostProcessor` implements the
 `Ordered` interface. If you write your own `BeanFactoryPostProcessor`, you should
 consider implementing the `Ordered` interface, too. See the javadoc of the
-{api-spring-framework}/beans/factory/config/BeanFactoryPostProcessor.html[`BeanFactoryPostProcessor`] and {api-spring-framework}/core/Ordered.html[`Ordered`] interfaces for more details.
+{api-spring-framework}/beans/factory/config/BeanFactoryPostProcessor.html[`BeanFactoryPostProcessor`]
+and {api-spring-framework}/core/Ordered.html[`Ordered`] interfaces for more details.
 
 [NOTE]
 ====