com.canoo.dolphin.server.controller.ControllerRepository Maven / Gradle / Ivy
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The Dolphin Platform is a framework that implements the presentation model pattern and provides amodern way to create enterprise applications. The Platform provides several client implementations that all canbe used in combination with a general sever API.
/*
* Copyright 2015-2017 Canoo Engineering AG.
*
* 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.canoo.dolphin.server.controller;
import com.canoo.dolphin.server.DolphinController;
import com.canoo.dolphin.server.impl.ClasspathScanner;
import com.canoo.dolphin.util.Assert;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* This repository manages all Dolphin Platform controller classes (see {@link DolphinController}).
* Internally the class uses the {@link ClasspathScanner} to find all controller classes.
*/
public class ControllerRepository {
private Map controllersClasses;
private ControllerValidator controllerValidator;
/**
* Constructor
*/
public ControllerRepository(final ClasspathScanner scanner) throws ControllerValidationException{
Assert.requireNonNull(scanner, "scanner");
controllersClasses = new HashMap<>();
controllerValidator = new ControllerValidator();
Set> foundControllerClasses = scanner.getTypesAnnotatedWith(DolphinController.class);
for (Class> controllerClass : foundControllerClasses) {
controllerValidator.validate(controllerClass);
String name = controllerClass.getName();
if (controllerClass.getAnnotation(DolphinController.class).value() != null && !controllerClass.getAnnotation(DolphinController.class).value().trim().isEmpty()) {
name = controllerClass.getAnnotation(DolphinController.class).value();
}
controllersClasses.put(name, controllerClass);
}
}
/**
* Returns the controller class that is registered for the given name. For more information about controller
* classes and the name definition see {@link DolphinController}
* @param name the name
* @return the controller class
*/
public synchronized Class> getControllerClassForName(String name) {
Assert.requireNonBlank(name, "name");
Class> foundClass = controllersClasses.get(name);
if(foundClass == null) {
throw new IllegalArgumentException("Can't find controller type with name " + name);
}
return foundClass;
}
}
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