Merge branch 'develop'

.gitignore

@@ -0,0 +1,32 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+**/.flattened-pom.xml
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/MavenWrapperDownloader.java

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+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * 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.
+ */
+
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+	private static final String WRAPPER_VERSION = "0.5.6";
+	/**
+	 * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+	 */
+	private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+			+ WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+	/**
+	 * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+	 * use instead of the default one.
+	 */
+	private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+			".mvn/wrapper/maven-wrapper.properties";
+
+	/**
+	 * Path where the maven-wrapper.jar will be saved to.
+	 */
+	private static final String MAVEN_WRAPPER_JAR_PATH =
+			".mvn/wrapper/maven-wrapper.jar";
+
+	/**
+	 * Name of the property which should be used to override the default download url for the wrapper.
+	 */
+	private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+	public static void main(String args[]) {
+		System.out.println("- Downloader started");
+		File baseDirectory = new File(args[0]);
+		System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+		// If the maven-wrapper.properties exists, read it and check if it contains a custom
+		// wrapperUrl parameter.
+		File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+		String url = DEFAULT_DOWNLOAD_URL;
+		if (mavenWrapperPropertyFile.exists()) {
+			FileInputStream mavenWrapperPropertyFileInputStream = null;
+			try {
+				mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+				Properties mavenWrapperProperties = new Properties();
+				mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+				url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+			} catch (IOException e) {
+				System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+			} finally {
+				try {
+					if (mavenWrapperPropertyFileInputStream != null) {
+						mavenWrapperPropertyFileInputStream.close();
+					}
+				} catch (IOException e) {
+					// Ignore ...
+				}
+			}
+		}
+		System.out.println("- Downloading from: " + url);
+
+		File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+		if (!outputFile.getParentFile().exists()) {
+			if (!outputFile.getParentFile().mkdirs()) {
+				System.out.println(
+						"- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+			}
+		}
+		System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+		try {
+			downloadFileFromURL(url, outputFile);
+			System.out.println("Done");
+			System.exit(0);
+		} catch (Throwable e) {
+			System.out.println("- Error downloading");
+			e.printStackTrace();
+			System.exit(1);
+		}
+	}
+
+	private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+		if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+			String username = System.getenv("MVNW_USERNAME");
+			char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+			Authenticator.setDefault(new Authenticator() {
+				@Override
+				protected PasswordAuthentication getPasswordAuthentication() {
+					return new PasswordAuthentication(username, password);
+				}
+			});
+		}
+		URL website = new URL(urlString);
+		ReadableByteChannel rbc;
+		rbc = Channels.newChannel(website.openStream());
+		FileOutputStream fos = new FileOutputStream(destination);
+		fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+		fos.close();
+		rbc.close();
+	}
+
+}

.mvn/wrapper/maven-wrapper.properties

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+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar