/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.guice.support;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.inject.TypeLiteral;
import org.apache.camel.guice.support.internal.MethodKey;
/**
* Some reflection helper methods
*
*/
public final class Reflectors {
private Reflectors() {
//Helper class
}
/** Returns all the methods on the given type ignoring overloaded methods */
public static List<Method> getAllMethods(Class<?> type) {
return getAllMethods(TypeLiteral.get(type));
}
/** Returns all the methods on the given type ignoring overloaded methods */
public static List<Method> getAllMethods(TypeLiteral<?> startType) {
List<Method> answer = Lists.newArrayList();
Map<MethodKey, Method> boundMethods = Maps.newHashMap();
while (true) {
Class<?> type = startType.getRawType();
if (type == Object.class) {
break;
}
Method[] methods = type.getDeclaredMethods();
for (final Method method : methods) {
MethodKey key = new MethodKey(method);
if (boundMethods.get(key) == null) {
boundMethods.put(key, method);
answer.add(method);
}
}
// startType = startType.getSupertype(type);
Class<?> supertype = type.getSuperclass();
if (supertype == Object.class) {
break;
}
startType = startType.getSupertype(supertype);
}
return answer;
}
}