com.mycila.guice.ext.jsr250.Jsr250PostConstructHandler 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.guice.ext.jsr250;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.TypeLiteral;
import com.mycila.guice.ext.injection.MethodHandler;
import com.mycila.guice.ext.injection.MethodInvoker;
import com.mycila.guice.ext.injection.Reflect;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import javax.inject.Provider;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.List;
/**
* @author Mathieu Carbou ([email protected])
*/
class Jsr250PostConstructHandler implements MethodHandler {
@Inject
Provider injector;
@Override
public void handle(TypeLiteral type, Object instance, Method method, PostConstruct annotation) {
if (!Modifier.isStatic(method.getModifiers())) {
List> parameterKeys = Reflect.getParameterKeys(type, method);
Object[] parameters = new Object[parameterKeys.size()];
for (int i = 0; i < parameters.length; i++)
parameters[i] = injector.get().getProvider(parameterKeys.get(i)).get();
MethodInvoker.on(method).invoke(instance, parameters);
}
}
}