Yes, you can access the ResultConfig objects before the Action executes, and you can access the final Result object using a PreResultListener.
Accessing the ResultConfig Objects
If you need to work with the set of ResultConfigs before the Action executes, you can use an Interceptor to process the Map returned by getResults.
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public class MyInterceptor implements Interceptor {
// ...
public String intercept(ActionInvocation invocation) throws Exception {
Map resultsMap = invocation.getProxy().getConfig().getResults();
// do something with ResultConfig in map
return invocation.invoke();
}
// ...
}
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If you are writing against Java 5, you could use a generic when obtain the map.
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Map<String, ResultConfig> resultsMap = invocation.getProxy().getConfig().getResults();
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Adding a PreResultListener
If you need to work with the final Result object before it is executed, you can use an Interceptor to register a PreResultListener. The code example creates a PreResultListener as an anonymous inner class.
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public class MyInterceptor implements Interceptor {
// ...
public String intercept(ActionInvocation invocation) throws Exception {
invocation.addPreResultListener(new PreResultListener() {
public void beforeResult(ActionInvocation invocation, String resultCode) {
Map resultsMap = invocation.getProxy().getConfig().getResults();
ResultConfig finalResultConfig = resultsMap.get(resultCode);
// do something interesting with the 'to-be' executed result
}
});
return invocation.invoke();
}
// ...
}
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If you are writing against Java 5, you could use a generic when obtain the map.
| Code Block |
|---|
|
Map<String, ResultConfig> resultsMap = invocation.getProxy().getConfig().getResults();
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