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/*
* 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.dubbo.rpc.model;
import org.apache.dubbo.common.extension.ExtensionLoader;
import org.apache.dubbo.common.extension.SPI;
public class ScopeModelUtil {
public static ScopeModel getOrDefault(ScopeModel scopeModel, Class type) {
if (scopeModel != null) {
return scopeModel;
}
return getDefaultScopeModel(type);
}
private static ScopeModel getDefaultScopeModel(Class type) {
SPI spi = type.getAnnotation(SPI.class);
if (spi == null) {
throw new IllegalArgumentException("SPI annotation not found for class: " + type.getName());
}
switch (spi.scope()) {
case FRAMEWORK:
return FrameworkModel.defaultModel();
case APPLICATION:
return ApplicationModel.defaultModel();
case MODULE:
return ApplicationModel.defaultModel().getDefaultModule();
default:
throw new IllegalStateException("Unable to get default scope model for type: " + type.getName());
}
}
public static ModuleModel getModuleModel(ScopeModel scopeModel) {
if (scopeModel == null) {
return ApplicationModel.defaultModel().getDefaultModule();
}
if (scopeModel instanceof ModuleModel) {
return (ModuleModel) scopeModel;
} else {
throw new IllegalArgumentException("Unable to get ModuleModel from " + scopeModel);
}
}
public static ApplicationModel getApplicationModel(ScopeModel scopeModel) {
return getOrDefaultApplicationModel(scopeModel);
}
public static ApplicationModel getOrDefaultApplicationModel(ScopeModel scopeModel) {
if (scopeModel == null) {
return ApplicationModel.defaultModel();
}
return getOrNullApplicationModel(scopeModel);
}
public static ApplicationModel getOrNullApplicationModel(ScopeModel scopeModel) {
if (scopeModel == null) {
return null;
}
if (scopeModel instanceof ApplicationModel) {
return (ApplicationModel) scopeModel;
} else if (scopeModel instanceof ModuleModel) {
ModuleModel moduleModel = (ModuleModel) scopeModel;
return moduleModel.getApplicationModel();
} else {
throw new IllegalArgumentException("Unable to get ApplicationModel from " + scopeModel);
}
}
public static FrameworkModel getFrameworkModel(ScopeModel scopeModel) {
if (scopeModel == null) {
return FrameworkModel.defaultModel();
}
if (scopeModel instanceof ApplicationModel) {
return ((ApplicationModel) scopeModel).getFrameworkModel();
} else if (scopeModel instanceof ModuleModel) {
ModuleModel moduleModel = (ModuleModel) scopeModel;
return moduleModel.getApplicationModel().getFrameworkModel();
} else if (scopeModel instanceof FrameworkModel) {
return (FrameworkModel) scopeModel;
} else {
throw new IllegalArgumentException("Unable to get FrameworkModel from " + scopeModel);
}
}
public static ExtensionLoader getExtensionLoader(Class type, ScopeModel scopeModel) {
if (scopeModel != null) {
return scopeModel.getExtensionLoader(type);
} else {
SPI spi = type.getAnnotation(SPI.class);
if (spi == null) {
throw new IllegalArgumentException("SPI annotation not found for class: " + type.getName());
}
switch (spi.scope()) {
case FRAMEWORK:
return FrameworkModel.defaultModel().getExtensionLoader(type);
case APPLICATION:
return ApplicationModel.defaultModel().getExtensionLoader(type);
case MODULE:
return ApplicationModel.defaultModel().getDefaultModule().getExtensionLoader(type);
default:
throw new IllegalArgumentException("Unable to get ExtensionLoader for type: " + type.getName());
}
}
}
}