juneau-rest/juneau-rest-server-springboot/src/main/java/org/apache/juneau/rest/springboot/JuneauRestInitializer.java

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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau.rest.springboot;

import static java.lang.System.*;
import org.apache.juneau.rest.springboot.annotation.*;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;

/**
 * Spring Boot context initializer for Juneau REST resources.
 *
 * <p>
 * Looks for the {@link JuneauRestRoot} annotation on the Spring application class to automatically register Juneau REST resources.
 */
public class JuneauRestInitializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {

	private final Class<?> appClass;

	/**
	 * Constructor.
	 *
	 * @param appClass The Spring application class.  Can be <jk>null</jk>.
	 */
	public JuneauRestInitializer(Class<?> appClass) {
		this.appClass = appClass;
	}

	/**
	 * Constructor.
	 */
	public JuneauRestInitializer() {
		this.appClass = null;
	}

	@Override /* ApplicationContextInitializer */
	public void initialize(ConfigurableApplicationContext ctx) {
		String port = ctx.getEnvironment().getProperty("server.port");
		if (port != null && getProperty("juneau.serverPort") == null)
			setProperty("juneau.serverPort", port);
		ctx.addBeanFactoryPostProcessor(new JuneauRestPostProcessor(ctx, appClass));
	}
}