package org.apache.struts2.factory;
import com.opensymphony.xwork2.ObjectFactory;
import com.opensymphony.xwork2.Result;
import com.opensymphony.xwork2.config.entities.ResultConfig;
import com.opensymphony.xwork2.factory.ResultFactory;
import com.opensymphony.xwork2.inject.Inject;
import com.opensymphony.xwork2.util.reflection.ReflectionException;
import com.opensymphony.xwork2.util.reflection.ReflectionExceptionHandler;
import com.opensymphony.xwork2.util.reflection.ReflectionProvider;
import com.opensymphony.xwork2.result.ParamNameAwareResult;
import java.util.Map;
/**
* Default implementation which uses {@link com.opensymphony.xwork2.result.ParamNameAwareResult} to accept or throw away parameters
*/
public class StrutsResultFactory implements ResultFactory {
protected ObjectFactory objectFactory;
protected ReflectionProvider reflectionProvider;
@Inject
public void setObjectFactory(ObjectFactory objectFactory) {
this.objectFactory = objectFactory;
}
@Inject
public void setReflectionProvider(ReflectionProvider provider) {
this.reflectionProvider = provider;
}
public Result buildResult(ResultConfig resultConfig, Map<String, Object> extraContext) throws Exception {
String resultClassName = resultConfig.getClassName();
Result result = null;
if (resultClassName != null) {
result = (Result) objectFactory.buildBean(resultClassName, extraContext);
Map<String, String> params = resultConfig.getParams();
if (params != null) {
setParameters(extraContext, result, params);
}
}
return result;
}
protected void setParameters(Map<String, Object> extraContext, Result result, Map<String, String> params) {
for (Map.Entry<String, String> paramEntry : params.entrySet()) {
try {
String name = paramEntry.getKey();
String value = paramEntry.getValue();
setParameter(result, name, value, extraContext);
} catch (ReflectionException ex) {
if (result instanceof ReflectionExceptionHandler) {
((ReflectionExceptionHandler) result).handle(ex);
}
}
}
}
protected void setParameter(Result result, String name, String value, Map<String, Object> extraContext) {
if (result instanceof ParamNameAwareResult) {
if (((ParamNameAwareResult) result).acceptableParameterName(name, value)) {
reflectionProvider.setProperty(name, value, result, extraContext, true);
}
} else {
reflectionProvider.setProperty(name, value, result, extraContext, true);
}
}
}