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Add logging to dispatcher servlet condition

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This commit is contained in:
Dave Syer 2013-08-12 10:39:04 +01:00
parent 0af9d2022a
commit 56f5b3ad0f
1 changed files with 23 additions and 0 deletions
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23
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/EmbeddedServletContainerAutoConfiguration.java
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@ -21,6 +21,8 @@ import java.util.Arrays;
import javax.servlet.Servlet;
import org.apache.catalina.startup.Tomcat;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.util.Loader;
import org.springframework.beans.BeansException;
@ -31,6 +33,7 @@ import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionLogUtils;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.SearchStrategy;
@ -148,19 +151,39 @@ public class EmbeddedServletContainerAutoConfiguration {
private static class DefaultServletCondition implements Condition {
private static Log logger = LogFactory.getLog(DefaultServletCondition.class);
@Override
public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
String checking = ConditionLogUtils.getPrefix(logger, metadata);
ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();
String[] beans = beanFactory.getBeanNamesForType(DispatcherServlet.class,
false, false);
if (beans.length == 0) {
if (logger.isDebugEnabled()) {
logger.debug(checking
+ "No DispatcherServlet found (search terminated with matches=true)");
}
// No dispatcher servlet so no need to ask further questions
return true;
}
if (Arrays.asList(beans).contains(DEFAULT_DISPATCHER_SERVLET_BEAN_NAME)) {
if (logger.isDebugEnabled()) {
logger.debug(checking + "DispatcherServlet found and named "
+ DEFAULT_DISPATCHER_SERVLET_BEAN_NAME
+ " (search terminated with matches=false)");
}
// An existing bean with the default name
return false;
}
if (logger.isDebugEnabled()) {
logger.debug(checking
+ "Multiple DispatcherServlets found and none is named "
+ DEFAULT_DISPATCHER_SERVLET_BEAN_NAME
+ " (search terminated with matches=true)");
}
return true;
}
}