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TilesConfigurer only sets up EL support if JSP 2.1 is present (for JSP 2.0 compatibility; SPR-6309)

This commit is contained in:
Juergen Hoeller 2009-11-07 01:16:40 +00:00
parent b321376703
commit 4e233047c8
1 changed files with 10 additions and 3 deletions
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13
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/view/tiles2/TilesConfigurer.java
View File

@ -28,6 +28,7 @@ import org.apache.tiles.context.AbstractTilesApplicationContextFactory;
import org.apache.tiles.definition.DefinitionsFactory;
import org.apache.tiles.definition.digester.DigesterDefinitionsReader;
import org.apache.tiles.evaluator.el.ELAttributeEvaluator;
import org.apache.tiles.evaluator.impl.DirectAttributeEvaluator;
import org.apache.tiles.factory.TilesContainerFactory;
import org.apache.tiles.preparer.BasicPreparerFactory;
import org.apache.tiles.servlet.context.ServletTilesApplicationContext;
@ -39,6 +40,7 @@ import org.apache.tiles.web.util.ServletContextAdapter;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.ClassUtils;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.context.ServletContextAware;
@ -48,7 +50,9 @@ import org.springframework.web.context.ServletContextAware;
* <a href="http://tiles.apache.org">http://tiles.apache.org</a>
* for more information about Tiles, which basically is a templating
* mechanism for JSP-based web applications.
*
* <b>Note: Spring 3.0 requires Tiles 2.1.2 or above.</b>
* Tiles EL support will be activated by default when running on JSP 2.1 or above.
*
* <p>The TilesConfigurer simply configures a TilesContainer using a set of files
* containing definitions, to be accessed by {@link TilesView} instances. This is a
@ -82,6 +86,9 @@ import org.springframework.web.context.ServletContextAware;
*/
public class TilesConfigurer implements ServletContextAware, InitializingBean, DisposableBean {
private static final boolean jsp21Present = ClassUtils.isPresent(
"javax.servlet.jsp.JspApplicationContext", TilesConfigurer.class.getClassLoader());
protected final Log logger = LogFactory.getLog(getClass());
private final Properties tilesPropertyMap = new Properties();
@ -94,12 +101,12 @@ public class TilesConfigurer implements ServletContextAware, InitializingBean, D
WildcardServletTilesApplicationContextFactory.class.getName());
this.tilesPropertyMap.put(TilesContainerFactory.PREPARER_FACTORY_INIT_PARAM,
BasicPreparerFactory.class.getName());
this.tilesPropertyMap.put(TilesContainerFactory.CONTAINER_FACTORY_MUTABLE_INIT_PARAM,
Boolean.toString(false));
this.tilesPropertyMap.put(DefinitionsFactory.LOCALE_RESOLVER_IMPL_PROPERTY,
SpringLocaleResolver.class.getName());
this.tilesPropertyMap.put(TilesContainerFactory.ATTRIBUTE_EVALUATOR_INIT_PARAM,
ELAttributeEvaluator.class.getName());
this.tilesPropertyMap.put(TilesContainerFactory.CONTAINER_FACTORY_MUTABLE_INIT_PARAM,
Boolean.toString(false));
jsp21Present ? ELAttributeEvaluator.class.getName() : DirectAttributeEvaluator.class.getName());
}