org.zkoss.bind.proxy.ZKProxyTargetHandlers Maven / Gradle / Ivy
/** ZKProxyTargetHandlers.java.
Purpose:
Description:
History:
Tue Apr 19 16:12:31 CST 2016, Created by jameschu
Copyright (C) 2015 Potix Corporation. All Rights Reserved.
*/
package org.zkoss.bind.proxy;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.zkoss.bind.init.ZKBinderPhaseListeners;
import org.zkoss.zk.ui.util.AggregationListener;
/**
* An aggregating proxy target handlers
* @author jameschu
* @since 8.0.2
* @see ProxyTargetHandler
*/
public class ZKProxyTargetHandlers implements AggregationListener {
private static final Logger _log = LoggerFactory.getLogger(ZKBinderPhaseListeners.class);
private static Map _handlers = new LinkedHashMap();
public boolean isHandled(Class klass) {
if (ProxyTargetHandler.class.isAssignableFrom(klass)) {
try {
synchronized (_handlers) {
if (!_handlers.containsKey(klass.getName())) {
_handlers.put(klass.getName(), (ProxyTargetHandler) klass.newInstance());
}
}
} catch (Exception e) {
_log.error("Error when initial proxy target handler:" + klass, e);
}
return true;
}
return false;
}
/**
* Returns all of the system proxy target handlers
*/
public static List getSystemProxyTargetHandlers() {
Collection values;
synchronized (_handlers) {
values = _handlers.values();
}
return new LinkedList(values);
}
}