36 lines
957 B
Java
36 lines
957 B
Java
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package controllers;
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import javax.inject.*;
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import play.*;
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import play.mvc.*;
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import services.Counter;
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/**
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* This controller demonstrates how to use dependency injection to
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* bind a component into a controller class. The class contains an
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* action that shows an incrementing count to users. The {@link Counter}
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* object is injected by the Guice dependency injection system.
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*/
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@Singleton
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public class CountController extends Controller {
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private final Counter counter;
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@Inject
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public CountController(Counter counter) {
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this.counter = counter;
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}
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/**
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* An action that responds with the {@link Counter}'s current
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* count. The result is plain text. This action is mapped to
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* <code>GET</code> requests with a path of <code>/count</code>
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* requests by an entry in the <code>routes</code> config file.
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*/
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public Result count() {
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return ok(Integer.toString(counter.nextCount()));
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}
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}
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