org.openapitools.codegen.CodegenConfigLoader Maven / Gradle / Ivy
/*
* Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
* Copyright 2018 SmartBear Software
*
* 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
*
* https://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.openapitools.codegen;
import java.util.ArrayList;
import java.util.List;
import java.util.ServiceLoader;
public class CodegenConfigLoader {
/**
* Tries to load config class with SPI first, then with class name directly from classpath
*
* @param name name of config, or full qualified class name in classpath
* @return config class
*/
public static CodegenConfig forName(String name) {
ServiceLoader loader = ServiceLoader.load(CodegenConfig.class, CodegenConfig.class.getClassLoader());
StringBuilder availableConfigs = new StringBuilder();
for (CodegenConfig config : loader) {
if (config.getName().equals(name)) {
return config;
}
availableConfigs.append(config.getName()).append("\n");
}
// else try to load directly
try {
return (CodegenConfig) Class.forName(name).getDeclaredConstructor().newInstance();
} catch (Exception e) {
throw new GeneratorNotFoundException("Can't load config class with name '".concat(name) + "'\nAvailable:\n" + availableConfigs.toString(), e);
}
}
public static List getAll() {
ServiceLoader loader = ServiceLoader.load(CodegenConfig.class, CodegenConfig.class.getClassLoader());
List output = new ArrayList();
for (CodegenConfig aLoader : loader) {
output.add(aLoader);
}
return output;
}
}
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