package act.inject.param;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import act.cli.CliContext;
import act.util.ActContext;
/**
* Responsible for providing the value to a method parameter
*/
public interface ParamValueLoader {
/**
* Provide the value for a parameter from current execution context.
*
* The context could be one of
*
* * {@link act.app.ActionContext}
* * {@link CliContext}
*
* @param bean the bean that cached for current session or `null` if not applied
* @param context the current execution context
* @param noDefaultValue if `true` then it shall not load default value when not provided by request
* @return the value object
*/
Object load(Object bean, ActContext<?> context, boolean noDefaultValue);
/**
* Returns the parameter binding name
* @return the bind name
*/
String bindName();
}