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populating component metadata with type

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This commit is contained in:
Mark Fisher
2010-03-11 20:17:47 +00:00
parent 6669dd21dd
commit 3d440e833f
1 changed files with 3 additions and 28 deletions
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31
org.springframework.integration/src/main/java/org/springframework/integration/endpoint/HandlerInvocationChain.java
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@@ -16,14 +16,11 @@
package org.springframework.integration.endpoint;
import java.lang.reflect.Field;
import org.springframework.core.Ordered;
import org.springframework.integration.core.Message;
import org.springframework.integration.message.MessageHandler;
import org.springframework.integration.support.ComponentMetadata;
import org.springframework.integration.support.ComponentMetadataProvider;
import org.springframework.util.StringUtils;
/**
* A {@link MessageHandler} implementation that delegates to a target
@@ -42,17 +39,10 @@ class HandlerInvocationChain implements MessageHandler, Ordered {
public HandlerInvocationChain(MessageHandler handler, String endpointName) {
this.handler = handler;
if (this.handler instanceof ComponentMetadataProvider) {
this.metadata = ((ComponentMetadataProvider) this.handler).getComponentMetadata();
}
else {
this.metadata = new ComponentMetadata();
}
this.metadata = (this.handler instanceof ComponentMetadataProvider)
? ((ComponentMetadataProvider) this.handler).getComponentMetadata()
: new ComponentMetadata();
this.metadata.setComponentName(endpointName);
// todo move this into the handler impls componentMetadata
if (this.metadata.getComponentType() == null) {
this.metadata.setComponentType(determineComponentTypeFromHandlerIfPossible(this.handler));
}
}
@@ -68,19 +58,4 @@ class HandlerInvocationChain implements MessageHandler, Ordered {
this.handler.handleMessage(message);
}
private static String determineComponentTypeFromHandlerIfPossible(MessageHandler handler) {
String type = null;
try {
Field componentTypeField = handler.getClass().getField("COMPONENT_TYPE_LABEL");
Object componentType = componentTypeField.get(null);
if (componentType instanceof String && StringUtils.hasText((String) componentType)) {
type = (String) componentType;
}
}
catch (Exception e) {
// no COMPONENT_TYPE_LABEL available
}
return type;
}
}