com.firefly.mvc.web.support.ParamMetaInfo Maven / Gradle / Ivy
package com.firefly.mvc.web.support;
import java.lang.reflect.Method;
import java.util.Map;
import com.firefly.utils.ConvertUtils;
import com.firefly.utils.log.Log;
import com.firefly.utils.log.LogFactory;
public class ParamMetaInfo {
private static Log log = LogFactory.getInstance().getLog("firefly-system");
private final Class paramClass; // injecting type
private final Map beanSetMethod; // setter method of parameter
private final String attribute; // out attribute
public ParamMetaInfo(Class paramClass, Map beanSetMethod, String attribute) {
this.paramClass = paramClass;
this.beanSetMethod = beanSetMethod;
this.attribute = attribute;
}
public String getAttribute() {
return attribute;
}
/**
* Set value of the parameter object
* @param o The parameter object
* @param key The field name of the parameter object
* @param value The value
*/
public void setParam(Object o, String key, String value) {
try {
Method m = beanSetMethod.get(key);
if (m != null) {
Class p = m.getParameterTypes()[0];
m.invoke(o, ConvertUtils.convert(value, p));
}
} catch (Throwable t) {
log.error("set param error", t);
}
}
/**
* Get an new instance of a parameter;
* @return The instance
*/
public Object newParamInstance() {
Object o = null;
try {
o = paramClass.newInstance();
} catch (Throwable t) {
log.error("new param error", t);
}
return o;
}
}