BeanUtils get Property from Dynamic Beans
import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaClass;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.LazyDynaBean;
import org.apache.commons.beanutils.DynaProperty;
import org.apache.commons.beanutils.BasicDynaClass;
import java.util.Map;
import java.util.List;
import java.util.Date;
import java.util.HashMap;
import java.util.GregorianCalendar;
public class DynaBeansExampleV1 {
public static void main(String args[]) throws Exception {
Object movie = createMovieBean();
System.err.println(BeanUtils.getProperty(movie, "title"));
System.err.println(BeanUtils.getProperty(movie, "director.name"));
}
private static Object createMovieBean() throws Exception {
// first create the properties
DynaProperty properties[] = new DynaProperty[] {
new DynaProperty("title", String.class),
new DynaProperty("dateOfRelease", Date.class),
new DynaProperty("keywords", String[].class),
new DynaProperty("genre", Map.class),
new DynaProperty("actors", List.class),
new DynaProperty("director", DynaBean.class)
};
// next using the properties define the class
DynaClass movieClass = new BasicDynaClass("movie", null, properties);
// now, with the class, create a new instance
DynaBean movieBean = movieClass.newInstance();
// set its properties
movieBean.set("title", "The Italian Job");
movieBean.set("dateOfRelease",
new GregorianCalendar(1969, 0, 1).getTime());
movieBean.set("keywords", new String[] {"Italy", "Bank Robbery"});
Map genre = new HashMap();
genre.put("THR", "Thriller");
movieBean.set("genre", genre);
movieBean.set("genre", "ACT", "Action");
DynaBean director = createPersonBean();
director.set("name", "Peter Collinson");
director.set("gender", new Integer(1));
movieBean.set("director", director);
return movieBean;
}
private static DynaBean createPersonBean() {
DynaBean person = new LazyDynaBean();
return person;
}
}
BeanUtilsDynaBeansExampleV1.zip( 879 k)Related examples in the same category