org.eclipse.jkube.kit.common.util.SpringBootUtil Maven / Gradle / Ivy

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/**
 * Copyright (c) 2019 Red Hat, Inc.
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at:
 *
 *     https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *   Red Hat, Inc. - initial API and implementation
 */
package org.eclipse.jkube.kit.common.util;

import java.net.URL;
import java.net.URLClassLoader;
import java.util.Optional;
import java.util.Properties;

import org.eclipse.jkube.kit.common.JavaProject;

import static org.eclipse.jkube.kit.common.util.PropertiesUtil.getPropertiesFromResource;

/**
 * Utility methods to access spring-boot resources.
 */
public class SpringBootUtil {

    private SpringBootUtil() {}

    /**
     * Returns the spring boot configuration (supports `application.properties` and `application.yml`)
     * or an empty properties object if not found, it assumes first profile as default profile.
     *
     * @param compileClassLoader compile class loader
     * @return properties object
     */
    public static Properties getSpringBootApplicationProperties(URLClassLoader compileClassLoader) {
        return getSpringBootApplicationProperties(null, compileClassLoader);
    }

    /**
     * Returns the spring boot configuration (supports `application.properties` and `application.yml`)
     * or an empty properties object if not found
     *
     * @param springActiveProfile currently active spring-boot profile
     * @param compileClassLoader compile class loader
     * @return properties object
     */
    public static Properties getSpringBootApplicationProperties(String springActiveProfile, URLClassLoader compileClassLoader) {
        URL ymlResource = compileClassLoader.findResource("application.yml");
        URL propertiesResource = compileClassLoader.findResource("application.properties");

        Properties props = getPropertiesFromApplicationYamlResource(springActiveProfile, ymlResource);
        props.putAll(getPropertiesFromResource(propertiesResource));
        return props;
    }

    public static Properties getPropertiesFromApplicationYamlResource(String springActiveProfile, URL ymlResource) {
        return YamlUtil.getPropertiesFromYamlResource(springActiveProfile, ymlResource);
    }

    /**
     * Determine the spring-boot devtools version for the current project
     *
     * @param mavenProject Maven project
     * @return devtools version or null
     */
    public static Optional getSpringBootDevToolsVersion(JavaProject mavenProject) {
        return getSpringBootVersion(mavenProject);
    }

    /**
     * Determine the spring-boot major version for the current project
     *
     * @param mavenProject  project
     * @return spring boot version or null
     */
    public static Optional getSpringBootVersion(JavaProject mavenProject) {
        return Optional.ofNullable(JKubeProjectUtil.getAnyDependencyVersionWithGroupId(mavenProject, SpringBootConfigurationHelper.SPRING_BOOT_GROUP_ID));
    }

    public static String getSpringBootActiveProfile(JavaProject project) {
        if (project != null && project.getProperties() != null
              && project.getProperties().get("spring.profiles.active") != null) {
            return project.getProperties().get("spring.profiles.active").toString();
        }
        return null;
    }
}