jetbrick.web.mvc.action.ActionInfo Maven / Gradle / Ivy
/**
* Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
*
* Email: [email protected]
* URL: http://subchen.github.io/
*
* 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 jetbrick.web.mvc.action;
import jetbrick.lang.concurrent.ConcurrentInitializer;
import jetbrick.lang.concurrent.LazyInitializer;
import jetbrick.reflect.MethodInfo;
import jetbrick.web.mvc.RequestContext;
import jetbrick.web.mvc.ResultInfo;
import jetbrick.web.mvc.router.UrlTemplate;
public final class ActionInfo {
private final ControllerInfo controller;
private final MethodInfo action;
private final UrlTemplate urlTemplate;
private final ConcurrentInitializer methodInjector = new LazyInitializer() {
@Override
protected ActionMethodInjector initialize() {
return ActionMethodInjector.create(action, controller.getType());
}
};
public ActionInfo(ControllerInfo controller, MethodInfo action, String url) {
this.controller = controller;
this.action = action;
this.urlTemplate = new UrlTemplate(url);
}
// 和实际的 URL 进行匹配，并返回成功匹配的参数(pathVariables)
public boolean match(String[] urlSegments, PathVariables pathVariables) {
return urlTemplate.match(urlSegments, pathVariables);
}
public ResultInfo execute(RequestContext ctx) throws Exception {
Object object = controller.getObject();
Object result = methodInjector.get().invoke(object, ctx);
return new ResultInfo(action.getRawReturnType(controller.getType()), result);
}
}