com.mycila.jmx.BeanUtils Maven / Gradle / Ivy
/**
* Copyright (C) 2010 Mycila ([email protected])
*
* 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.
*/
package com.mycila.jmx;
import java.lang.ref.Reference;
import java.lang.ref.WeakReference;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.WeakHashMap;
/**
* @author Mathieu Carbou ([email protected])
*/
final class BeanUtils {
private static final Map, Reference>> cache = new WeakHashMap, Reference>>();
private BeanUtils() {
}
public static Collection getProperties(Class clazz) {
Reference> ref = cache.get(clazz);
if (ref != null) {
Collection list = ref.get();
if (list != null)
return list;
}
Set properties = new LinkedHashSet();
for (Method method : ReflectionUtils.getDeclaredMethods(clazz)) {
BeanProperty prop = BeanProperty.findProperty(clazz, method);
if (prop != null)
properties.add(prop);
}
cache.put(clazz, new WeakReference>(properties));
return properties;
}
}