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Adding a cookbook about tiles. Closes #481 #622
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vraptor-site/content/pt/cookbook/integrando-vraptor-com-tiles3.html
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title: Integrando o VRaptor com Tiles 3 | ||
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# por Otávio Garcia | ||
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Apache Tiles é um framework que implementa o design pattern Composite View. Com ele é possível você criar templates para sua aplicação de forma bem simples. Mais informações você encontrará no <a href="http://tiles.apache.org">site do projeto</a>. | ||
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O primeiro passo é incluir em seu projeto Maven o artefato abaixo. Se você não usa Maven, você pode ir no <a href="http://tiles.apache.org">site do Tiles</a> e baixar os arquivos manualmente. | ||
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~~~ | ||
#!xml | ||
<dependency> | ||
<groupId>org.apache.tiles</groupId> | ||
<artifactId>tiles-extras</artifactId> | ||
<version>3.0.0</version> <!-- ou a última versão --> | ||
</dependency> | ||
~~~ | ||
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E depois adicionar o listener que informa ao tiles que a aplicação está inicializada: | ||
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~~~ | ||
#!xml | ||
<listener> | ||
<listener-class>org.apache.tiles.extras.complete.CompleteAutoloadTilesListener</listener-class> | ||
</listener> | ||
~~~ | ||
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E por último o servlet que irá responder às requisições do Tiles. No exemplo abaixo, qualquer requisição para a URL `*.tiles` será direcionada para os templates do Tiles. | ||
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~~~ | ||
#!xml | ||
<servlet> | ||
<servlet-name>TilesDispatchServlet</servlet-name> | ||
<servlet-class>org.apache.tiles.web.util.TilesDispatchServlet</servlet-class> | ||
</servlet> | ||
<servlet-mapping> | ||
<servlet-name>TilesDispatchServlet</servlet-name> | ||
<url-pattern>*.tiles</url-pattern> | ||
</servlet-mapping> | ||
~~~ | ||
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Desta forma já temos o Tiles atendendo as requisições. | ||
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Por padrão o VRaptor faz o forward para JSPs. Então precisaremos sobrescrever o comportamento da classe `DefaultPathResolver` para fazer o forward para o Tiles, usando o Servlet que criamos anteriormente. | ||
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~~~ | ||
#!java | ||
@Specializes | ||
public class TilesPathResolver extends DefaultPathResolver { | ||
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@Inject | ||
protected TilesPathResolver(FormatResolver resolver) { | ||
super(resolver); | ||
} | ||
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@Override | ||
protected String getPrefix() { | ||
return "/"; | ||
} | ||
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@Override | ||
protected String getExtension() { | ||
return "tiles"; | ||
} | ||
} | ||
~~~ | ||
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Com isso, se você requisitar o método `ClienteController.formulario`, o VRaptor irá efetuar o forward para o template `cliente.formulario`. Basta então criarmos o template para atender ao `forward` no arquivo `/WEB-INF/tiles.xml`: | ||
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~~~ | ||
#!xml | ||
<definition name="cliente.formulario" template="/layouts/basic.jsp"> | ||
[...] | ||
</definition> | ||
~~~ |
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not sure, but you don´t need to inject
FormatResolver
here and provide to super class?something like this: