us.codecraft.webmagic.model.annotation.Formatter Maven / Gradle / Ivy
package us.codecraft.webmagic.model.annotation;
import us.codecraft.webmagic.model.formatter.ObjectFormatter;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* Define how the result string is convert to an object for field.
*
* @author [email protected]
* @since 0.3.2
*/
@Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD})
public @interface Formatter {
Class DEFAULT_FORMATTER = ObjectFormatter.class;
/**
* Set formatter params.
*
* @return formatter params
*/
String[] value() default "";
/**
* Specific the class of field of class of elements in collection for field.
* It is not necessary to be set because we can detect the class by class of field,
* unless you use a collection as a field.
*
* @return the class of field
*/
Class subClazz() default Void.class;
/**
* If there are more than one formatter for a class, just specify the implement.
* @return implement
*/
Class formatter() default ObjectFormatter.class;
}