Polish Javadoc for ResourceLoader APIs

spring-context/src/main/java/org/springframework/context/ResourceLoaderAware.java

 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -26,10 +26,10 @@ import org.springframework.core.io.ResourceLoader;
  * the {@link org.springframework.context.ApplicationContextAware} interface.
  *
  * <p>Note that {@link org.springframework.core.io.Resource} dependencies can also
- * be exposed as bean properties of type {@code Resource}, populated via Strings
- * with automatic type conversion by the bean factory. This removes the need for
- * implementing any callback interface just for the purpose of accessing a
- * specific file resource.
+ * be exposed as bean properties of type {@code Resource} or {@code Resource[]},
+ * populated via Strings with automatic type conversion by the bean factory. This
+ * removes the need for implementing any callback interface just for the purpose
+ * of accessing specific file resources.
  *
  * <p>You typically need a {@link ResourceLoader} when your application object has to
  * access a variety of file resources whose names are calculated. A good strategy is
@@ -48,7 +48,7 @@ import org.springframework.core.io.ResourceLoader;
  * default; see also the {@code ResourcePatternUtils.getResourcePatternResolver} method.
  *
  * <p>As an alternative to a {@code ResourcePatternResolver} dependency, consider
- * exposing bean properties of type {@code Resource} array, populated via pattern
+ * exposing bean properties of type {@code Resource[]} array, populated via pattern
  * Strings with automatic type conversion by the bean factory at binding time.
  *
  * @author Juergen Hoeller

spring-core/src/main/java/org/springframework/core/io/ResourceLoader.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -20,15 +20,15 @@ import org.springframework.lang.Nullable;
 import org.springframework.util.ResourceUtils;
 
 /**
- * Strategy interface for loading resources (e.. class path or file system
+ * Strategy interface for loading resources (e.g., class path or file system
  * resources). An {@link org.springframework.context.ApplicationContext}
- * is required to provide this functionality, plus extended
+ * is required to provide this functionality plus extended
  * {@link org.springframework.core.io.support.ResourcePatternResolver} support.
  *
  * <p>{@link DefaultResourceLoader} is a standalone implementation that is
- * usable outside an ApplicationContext, also used by {@link ResourceEditor}.
+ * usable outside an ApplicationContext and is also used by {@link ResourceEditor}.
  *
- * <p>Bean properties of type Resource and Resource array can be populated
+ * <p>Bean properties of type {@code Resource} and {@code Resource[]} can be populated
  * from Strings when running in an ApplicationContext, using the particular
  * context's resource loading strategy.
  *
@@ -46,7 +46,7 @@ public interface ResourceLoader {
 
 
 	/**
-	 * Return a Resource handle for the specified resource location.
+	 * Return a {@code Resource} handle for the specified resource location.
 	 * <p>The handle should always be a reusable resource descriptor,
 	 * allowing for multiple {@link Resource#getInputStream()} calls.
 	 * <p><ul>
@@ -56,10 +56,10 @@ public interface ResourceLoader {
 	 * (This will be implementation-specific, typically provided by an
 	 * ApplicationContext implementation.)
 	 * </ul>
-	 * <p>Note that a Resource handle does not imply an existing resource;
+	 * <p>Note that a {@code Resource} handle does not imply an existing resource;
 	 * you need to invoke {@link Resource#exists} to check for existence.
 	 * @param location the resource location
-	 * @return a corresponding Resource handle (never {@code null})
+	 * @return a corresponding {@code Resource} handle (never {@code null})
 	 * @see #CLASSPATH_URL_PREFIX
 	 * @see Resource#exists()
 	 * @see Resource#getInputStream()
@@ -67,12 +67,12 @@ public interface ResourceLoader {
 	Resource getResource(String location);
 
 	/**
-	 * Expose the ClassLoader used by this ResourceLoader.
-	 * <p>Clients which need to access the ClassLoader directly can do so
-	 * in a uniform manner with the ResourceLoader, rather than relying
-	 * on the thread context ClassLoader.
-	 * @return the ClassLoader
-	 * (only {@code null} if even the system ClassLoader isn't accessible)
+	 * Expose the {@link ClassLoader} used by this {@code ResourceLoader}.
+	 * <p>Clients which need to access the {@code ClassLoader} directly can do so
+	 * in a uniform manner with the {@code ResourceLoader}, rather than relying
+	 * on the thread context {@code ClassLoader}.
+	 * @return the {@code ClassLoader}
+	 * (only {@code null} if even the system {@code ClassLoader} isn't accessible)
 	 * @see org.springframework.util.ClassUtils#getDefaultClassLoader()
 	 * @see org.springframework.util.ClassUtils#forName(String, ClassLoader)
 	 */

spring-core/src/main/java/org/springframework/core/io/support/ResourcePatternResolver.java

 /*
- * Copyright 2002-2007 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -23,17 +23,18 @@ import org.springframework.core.io.ResourceLoader;
 
 /**
  * Strategy interface for resolving a location pattern (for example,
- * an Ant-style path pattern) into Resource objects.
+ * an Ant-style path pattern) into {@link Resource} objects.
  *
  * <p>This is an extension to the {@link org.springframework.core.io.ResourceLoader}
- * interface. A passed-in ResourceLoader (for example, an
+ * interface. A passed-in {@code ResourceLoader} (for example, an
  * {@link org.springframework.context.ApplicationContext} passed in via
  * {@link org.springframework.context.ResourceLoaderAware} when running in a context)
  * can be checked whether it implements this extended interface too.
  *
  * <p>{@link PathMatchingResourcePatternResolver} is a standalone implementation
- * that is usable outside an ApplicationContext, also used by
- * {@link ResourceArrayPropertyEditor} for populating Resource array bean properties.
+ * that is usable outside an {@code ApplicationContext}, also used by
+ * {@link ResourceArrayPropertyEditor} for populating {@code Resource} array bean
+ * properties.
  *
  * <p>Can be used with any sort of location pattern (e.g. "/WEB-INF/*-context.xml"):
  * Input patterns have to match the strategy implementation. This interface just
@@ -42,7 +43,8 @@ import org.springframework.core.io.ResourceLoader;
  * <p>This interface also suggests a new resource prefix "classpath*:" for all
  * matching resources from the class path. Note that the resource location is
  * expected to be a path without placeholders in this case (e.g. "/beans.xml");
- * JAR files or classes directories can contain multiple files of the same name.
+ * JAR files or different directories in the class path can contain multiple files
+ * of the same name.
  *
  * @author Juergen Hoeller
  * @since 1.0.2
@@ -55,7 +57,7 @@ public interface ResourcePatternResolver extends ResourceLoader {
 
 	/**
 	 * Pseudo URL prefix for all matching resources from the class path: "classpath*:"
-	 * This differs from ResourceLoader's classpath URL prefix in that it
+	 * <p>This differs from ResourceLoader's classpath URL prefix in that it
 	 * retrieves all matching resources for a given name (e.g. "/beans.xml"),
 	 * for example in the root of all deployed JAR files.
 	 * @see org.springframework.core.io.ResourceLoader#CLASSPATH_URL_PREFIX
@@ -63,12 +65,12 @@ public interface ResourcePatternResolver extends ResourceLoader {
 	String CLASSPATH_ALL_URL_PREFIX = "classpath*:";
 
 	/**
-	 * Resolve the given location pattern into Resource objects.
+	 * Resolve the given location pattern into {@code Resource} objects.
 	 * <p>Overlapping resource entries that point to the same physical
 	 * resource should be avoided, as far as possible. The result should
 	 * have set semantics.
 	 * @param locationPattern the location pattern to resolve
-	 * @return the corresponding Resource objects
+	 * @return the corresponding {@code Resource} objects
 	 * @throws IOException in case of I/O errors
 	 */
 	Resource[] getResources(String locationPattern) throws IOException;