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/**
* The MIT License (MIT)
*
* Copyright (c) 2014-2019
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.github.mjeanroy.junit.servers.jetty;
import com.github.mjeanroy.junit.servers.jetty.exceptions.IllegalJettyConfigurationException;
import com.github.mjeanroy.junit.servers.loggers.Logger;
import com.github.mjeanroy.junit.servers.loggers.LoggerFactory;
import com.github.mjeanroy.junit.servers.servers.AbstractConfiguration;
import static com.github.mjeanroy.junit.servers.commons.reflect.Annotations.findAnnotation;
import static com.github.mjeanroy.junit.servers.commons.reflect.Classes.instantiate;
import static com.github.mjeanroy.junit.servers.engine.Servers.findConfiguration;
/**
* Static factories for {@link EmbeddedJetty} that can be used in JUnit 4 Runner implementation
* or JUnit Jupiter Extension.
*/
public final class EmbeddedJettyFactory extends AbstractConfiguration {
/**
* Class Logger.
*/
private static final Logger log = LoggerFactory.getLogger(EmbeddedJettyFactory.class);
// Ensure non instantiation.
private EmbeddedJettyFactory() {
}
/**
* Instantiate embedded jetty from given test class.
*
* @param testClass The test class.
* @return Created embedded jetty instance.
*/
public static EmbeddedJetty createFrom(Class testClass) {
return createFrom(testClass, null);
}
/**
* Instantiate embedded jetty from given test class, with given provided configuration (may be {@code null}).
*
* @param testClass The test class.
* @param configuration The configuration to use, may be {@code null}.
* @return Created embedded jetty instance.
*/
public static EmbeddedJetty createFrom(Class testClass, AbstractConfiguration configuration) {
log.debug("Instantiating embedded jetty for test class: {}", testClass);
final EmbeddedJettyConfiguration configurationToUse = extractConfiguration(testClass, configuration);
return configurationToUse == null ? new EmbeddedJetty() : new EmbeddedJetty(configurationToUse);
}
/**
* Try to extract {@link EmbeddedJetty} configuration from:
*
*
The given {@code configuration} if it is not {@code null}.
*
A class field/method annotated with {@link com.github.mjeanroy.junit.servers.annotations.TestServerConfiguration} on given {@code testClass} otherwise.
*
*
* @param testClass The test class to analyze.
* @param configuration The configuration to use if not {@code null}.
* @return The {@link EmbeddedJetty} configuration.
* @throws IllegalJettyConfigurationException If extracted {@code configuration} is not an instance of {@link EmbeddedJettyConfiguration}.
*/
private static EmbeddedJettyConfiguration extractConfiguration(Class testClass, AbstractConfiguration configuration) {
if (configuration != null) {
log.debug("Returning provided configuration instance: {}", configuration);
return checkConfiguration(configuration);
}
JettyConfiguration configurationAnnotation = findAnnotation(testClass, JettyConfiguration.class);
if (configurationAnnotation != null) {
return buildEmbeddedJettyConfiguration(testClass, configurationAnnotation);
}
log.debug("Extracting configuration from given test class: {}", testClass);
return checkConfiguration(findConfiguration(testClass));
}
/**
* Create configuration using {@link JettyConfiguration} annotation.
*
* @param testClass The annotation.
* @param configurationAnnotation The test class.
* @return The configuration.
*/
private static EmbeddedJettyConfiguration buildEmbeddedJettyConfiguration(Class testClass, JettyConfiguration configurationAnnotation) {
log.debug("Returning configuration provided by @JettyConfiguration annotation");
Class providerClass = configurationAnnotation.providedBy();
EmbeddedJettyConfigurationProvider provider = instantiate(providerClass);
return provider.build(testClass);
}
/**
* Ensure that given {@code configuration} parameter is an instance of {@link EmbeddedJettyConfiguration} and returns it,
* or fail with {@link IllegalJettyConfigurationException} otherwise.
*
* @param configuration The configuration.
* @return The configuration.
*/
private static EmbeddedJettyConfiguration checkConfiguration(AbstractConfiguration configuration) {
if (configuration == null) {
return null;
}
if (!(configuration instanceof EmbeddedJettyConfiguration)) {
log.error("Cannot instantiate embedded jetty using configuration {} because it does not extends EmbeddedJettyConfiguration class", configuration);
throw new IllegalJettyConfigurationException();
}
return (EmbeddedJettyConfiguration) configuration;
}
}
