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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.aaf.rosetta;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
import javax.xml.bind.annotation.XmlType;
/**
* For specific XML class, quickly find a Setter Method which will load the object
*
* Object type of Setter must match String at this time.
*
*
* @param <T>
*/
public class JaxSet<T> {
private static Map<Class<?>,JaxSet<?>> jsets = new HashMap<Class<?>,JaxSet<?>>();
private Map<String,Setter<T>> members;
private JaxSet(Class<?> cls) {
members = new TreeMap<String, Setter<T>>();
XmlType xmltype = cls.getAnnotation(XmlType.class);
Class<?> paramType[] = new Class[] {String.class};
for(String str : xmltype.propOrder()) {
try {
String setName = "set" + Character.toUpperCase(str.charAt(0)) + str.subSequence(1, str.length());
Method meth = cls.getMethod(setName,paramType );
if(meth!=null) {
members.put(str, new Setter<T>(meth) {
public void set(T o, Object t) throws ParseException {
try {
this.meth.invoke(o, t);
} catch (Exception e) {
throw new ParseException(e);
}
}
});
}
} catch (Exception e) {
// oops
}
}
}
public static abstract class Setter<O> {
protected final Method meth;
public Setter(Method meth) {
this.meth = meth;
}
public abstract void set(O o, Object obj) throws ParseException;
}
public static <X> JaxSet<X> get(Class<?> cls) {
synchronized(jsets) {
@SuppressWarnings("unchecked")
JaxSet<X> js = (JaxSet<X>)jsets.get(cls);
if(js == null) {
jsets.put(cls, js = new JaxSet<X>(cls));
}
return js;
}
}
public Setter<T> get(String key) {
return members.get(key);
}
}
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