package org.nutz.ioc;
import java.util.Map;
import java.util.Map.Entry;
import org.nutz.ioc.meta.IocEventSet;
import org.nutz.ioc.meta.IocField;
import org.nutz.ioc.meta.IocObject;
import org.nutz.lang.Lang;
import org.nutz.lang.Strings;
import org.nutz.lang.meta.Pair;
/**
* @author zozoh(zozohtnt@gmail.com)
* @author wendal(wendal1985@gmail.com)
*
*/
public abstract class Iocs {
private static final String OBJFIELDS = "^(type|scope|singleton|fields|args|events)$";
public static boolean isIocObject(Map<String, ?> map) {
for (Entry<String, ?> en : map.entrySet())
if (!en.getKey().matches(OBJFIELDS))
return false;
return true;
}
public static Pair<Class<?>> parseName(String name) {
String _name = null;
Class<?> type = null;
int pos = name.indexOf(':');
if (pos < 0) {
_name = Strings.trim(name);
} else {
_name = Strings.trim(name.substring(0, pos));
try {
String typeName = Strings.trim(name.substring(pos + 1));
type = Lang.loadClass(typeName);
}
catch (ClassNotFoundException e) {
throw Lang.wrapThrow(e);
}
}
return new Pair<Class<?>>(_name, type);
}
/**
* 查看一下 me 中有没有缺少的属性，没有的话，从 it 补充
*/
public static IocObject mergeWith(IocObject me, IocObject it) {
// merge type
if (me.getType() == null)
me.setType(it.getType());
// don't need merge signleon
// merge events
if (me.getEvents() == null) {
me.setEvents(it.getEvents());
} else if (it.getEvents() != null) {
IocEventSet eventSet = it.getEvents();
IocEventSet myEventSet = me.getEvents();
if (Strings.isBlank(myEventSet.getCreate()))
myEventSet.setCreate(eventSet.getCreate());
if (Strings.isBlank(myEventSet.getDepose()))
myEventSet.setDepose(eventSet.getDepose());
if (Strings.isBlank(myEventSet.getFetch()))
myEventSet.setFetch(eventSet.getFetch());
}
// merge scope
if (Strings.isBlank(me.getScope())) {
me.setScope(it.getScope());
}
// merge arguments
if (!me.hasArgs())
me.copyArgys(it.getArgs());
// merge fields
for (IocField fld : it.getFields())
if (!me.hasField(fld.getName()))
me.addField(fld);
return me;
}
}