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Merge pull request #564 from gregturn/quick-start

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Use constructor injection
This commit is contained in:
Brian Clozel
2014-06-24 12:01:45 +02:00
parent b69c50f073 92396cefc2
commit d678c886c8
1 changed files with 8 additions and 5 deletions
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13
index.html
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@@ -58,7 +58,7 @@ deployment environments.
{% include download_widget.md %}
Spring Framework includes a number of different modules, here we are showing `spring-context` which provides core functionality. Refer to the getting started guides on the right for other options.
Spring Framework includes a number of different modules. Here we are showing `spring-context` which provides core functionality. Refer to the getting started guides on the right for other options.
Once you've set up your build with the `spring-context` dependency, you'll be able to do the following:
@@ -84,8 +84,12 @@ import org.springframework.stereotype.Component;
@Component
public class MessagePrinter {
final private MessageService service;
@Autowired
private MessageService service;
public MessagePrinter(MessageService service) {
this.service = service;
}
public void printMessage() {
System.out.println(this.service.getMessage());
@@ -124,9 +128,8 @@ public class Application {
}
```
The example above shows the basic concept of dependency injection, the `MessagePrinter` is
decoupled from the `MessageService` implementation, with Spring Framework wiring everything
together.
The example above shows the basic concept of [dependency injection](http://stackoverflow.com/questions/24337486/how-to-properly-do-dependency-injection-in-spring/24363707#24363707),
the `MessagePrinter` is decoupled from the `MessageService` implementation, with Spring Framework wiring everything together.