polish

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@1882 50f2f4bb-b051-0410-bef5-90022cba6387

spring-framework-reference/src/validation.xml

@@ -1230,7 +1230,7 @@ public interface FormatterRegistry {
 			<programlisting language="java"><![CDATA[
 public class Person {
     private String name;
-	private int age;
+    private int age;
 }]]>
 			</programlisting>
 			<para>
@@ -1249,12 +1249,12 @@ public class Person {
 }]]>
 			</programlisting>
 			<para>
-				When this object is processed by a JSR-303 Validator, these constraints will be validated.
+				When an instance of this class is validated by a JSR-303 Validator, these constraints will be enforced.
 			</para>
 			<para>
 				For general information on JSR-303, see the <ulink url="http://jcp.org/en/jsr/detail?id=303">Bean Validation Specification</ulink>.
 				For information on the specific capabilities of the default reference implementation, see the <ulink url="https://www.hibernate.org/412.html">Hibernate Validator</ulink> documentation.
-				For how to setup a JSR-303 implementation as a Spring bean, keep reading.
+				To learn how to setup a JSR-303 implementation as a Spring bean, keep reading.
 			</para>
 		</section>
 		<section id="validation.beanvalidation.spring">
@@ -1262,7 +1262,7 @@ public class Person {
 			<para>
 				Spring provides full support for the JSR-303 Bean Validation API.
 				This includes convenient support for bootstrapping a JSR-303 implementation as a Spring bean.
-				This allows a <code>javax.validation.Validator</code> to be injected wherever validation is needed.
+				This allows a <code>javax.validation.Validator</code> to be injected wherever validation is needed in your application.
 			</para>
 			<para>
 				Use the LocalValidatorFactoryBean to configure a default JSR-303 Validator as a Spring bean:					
@@ -1272,13 +1272,13 @@ public class Person {
 			</programlisting>
 			<para>
 				The basic configuration above will trigger JSR-303 to initialize using its default bootstrap mechanism.
-				The JSR-303 provider, such as Hibernate Validator, will be detected in your classpath automatically.
+				A JSR-303 provider, such as Hibernate Validator, is expected to be present in the classpath and will be detected automatically.
 			</para>
 			<section id="validation.beanvalidation.spring.inject">
 				<title>Injecting a Validator</title>
 				<para>
-					LocalValidatorFactoryBean implements <code>javax.validation.Validator</code> as well as <code>org.springframework.validation.Validator</code>.
+					LocalValidatorFactoryBean implements both <code>javax.validation.Validator</code> and <code>org.springframework.validation.Validator</code>.
-					Once created, you may inject a reference to either of these interfaces to other beans that need to invoke JSR-303 validation logic.
+					Inject a reference to one of these two interfaces into beans that need to invoke validation logic.
 				</para>
 				<para>
 					Inject a reference to <code>javax.validation.Validator</code> if you prefer to work with the JSR-303 API directly:
@@ -1295,7 +1295,7 @@ public class MyService {
 }]]>
 				</programlisting>
 				<para>
-					Inject a reference to <code>org.springframework.validation.Validator</code> if you prefer to work with the familiar Spring Validation API:
+					Inject a reference to <code>org.springframework.validation.Validator</code> if your bean depends on the existing Spring Validation API:
 				</para>
 				<programlisting language="java"><![CDATA[
 import org.springframework.validation.Validator;
@@ -1340,8 +1340,12 @@ public class MyConstraintValidator implements ConstraintValidator {
     @Autowired;
     private Foo aDependency;
 
+    ...
 }]]>
-				</programlisting>					
+				</programlisting>
+				<para>
+					As you can see, the ConstraintValidator implementation above can have its dependencies @Autowired by Spring like any other bean.
+				</para>			
 			</section>
 			<section id="validation.beanvalidation.spring.other">
 				<title>Additional Configuration Options</title>
@@ -1447,7 +1451,7 @@ public class MyController {
 				<para>
 					With JSR-303, the default <code>javax.validation.Validator</code> implementation is quite generic.
 					A single instance typically coordinates the validation of <emphasis>all</emphasis> application objects that declare validation constraints.
-					To configure such a Validator for use by Spring MVC, simply inject a <code>LocalValidatorFactoryBean</code> reference into the <code>WebBindingInitializer</code> as shown in the previous section.
+					To configure such a Validator for use by Spring MVC, simply inject a <code>LocalValidatorFactoryBean</code> reference into the <code>WebBindingInitializer</code>.
 					<code>LocalValidatorFactoryBean</code> already implements <code>org.springframework.validation.Validation</code>, delegating to the JSR-303 provider underneath.
 				</para>
 				<para>
@@ -1468,7 +1472,7 @@ public class MyController {
 <bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" />]]>
 				</programlisting>
 				<para>
-					With this configuration, anytime a @Valid @Controller method argument is encountered, it will be validated using JSR-303.
+					With this configuration, anytime a @Valid @Controller method argument is encountered, it will be validated using the JSR-303 provider.
 				</para>
 			</section>
 		</section>