Polish Maven plugin javadoc

This commit polishes the javadoc for Maven plugin classes now that
the plugin reference docs link to the javadoc. Visibility of some
MOJO parameter class getters and setters were also changed for
consistency.

See gh-21555

Author: scottfrederick

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/Docker.java

@@ -37,30 +37,47 @@ public class Docker {
 
 	private DockerRegistry publishRegistry;
 
+	/**
+	 * The host address of the Docker daemon.
+	 * @return the Docker host
+	 */
 	public String getHost() {
 		return this.host;
 	}
 
-	public void setHost(String host) {
+	void setHost(String host) {
 		this.host = host;
 	}
 
+	/**
+	 * Whether the Docker daemon requires TLS communication.
+	 * @return {@code true} to enable TLS
+	 */
 	public boolean isTlsVerify() {
 		return this.tlsVerify;
 	}
 
-	public void setTlsVerify(boolean tlsVerify) {
+	void setTlsVerify(boolean tlsVerify) {
 		this.tlsVerify = tlsVerify;
 	}
 
+	/**
+	 * The path to TLS certificate and key files required for TLS communication with the
+	 * Docker daemon.
+	 * @return the TLS certificate path
+	 */
 	public String getCertPath() {
 		return this.certPath;
 	}
 
-	public void setCertPath(String certPath) {
+	void setCertPath(String certPath) {
 		this.certPath = certPath;
 	}
 
+	/**
+	 * Configuration of the Docker registry where builder and run images are stored.
+	 * @return the registry configuration
+	 */
 	DockerRegistry getBuilderRegistry() {
 		return this.builderRegistry;
 	}
@@ -70,10 +87,14 @@ DockerRegistry getBuilderRegistry() {
 	 * registry.
 	 * @param builderRegistry the registry configuration
 	 */
-	public void setBuilderRegistry(DockerRegistry builderRegistry) {
+	void setBuilderRegistry(DockerRegistry builderRegistry) {
 		this.builderRegistry = builderRegistry;
 	}
 
+	/**
+	 * Configuration of the Docker registry where the generated image will be published.
+	 * @return the registry configuration
+	 */
 	DockerRegistry getPublishRegistry() {
 		return this.publishRegistry;
 	}
@@ -83,7 +104,7 @@ DockerRegistry getPublishRegistry() {
 	 * registry.
 	 * @param builderRegistry the registry configuration
 	 */
-	public void setPublishRegistry(DockerRegistry builderRegistry) {
+	void setPublishRegistry(DockerRegistry builderRegistry) {
 		this.publishRegistry = builderRegistry;
 	}
 
@@ -167,43 +188,63 @@ public DockerRegistry(String token) {
 			this.token = token;
 		}
 
-		String getUsername() {
+		/**
+		 * The username that will be used for user authentication to the registry.
+		 * @return the username
+		 */
+		public String getUsername() {
 			return this.username;
 		}
 
-		public void setUsername(String username) {
+		void setUsername(String username) {
 			this.username = username;
 		}
 
-		String getPassword() {
+		/**
+		 * The password that will be used for user authentication to the registry.
+		 * @return the password
+		 */
+		public String getPassword() {
 			return this.password;
 		}
 
-		public void setPassword(String password) {
+		void setPassword(String password) {
 			this.password = password;
 		}
 
-		String getEmail() {
+		/**
+		 * The email address that will be used for user authentication to the registry.
+		 * @return the email address
+		 */
+		public String getEmail() {
 			return this.email;
 		}
 
-		public void setEmail(String email) {
+		void setEmail(String email) {
 			this.email = email;
 		}
 
+		/**
+		 * The URL of the registry.
+		 * @return the registry URL
+		 */
 		String getUrl() {
 			return this.url;
 		}
 
-		public void setUrl(String url) {
+		void setUrl(String url) {
 			this.url = url;
 		}
 
-		String getToken() {
+		/**
+		 * The token that will be used for token authentication to the registry.
+		 * @return the authentication token
+		 */
+		public String getToken() {
 			return this.token;
 		}
 
-		public void setToken(String token) {
+		void setToken(String token) {
 			this.token = token;
 		}
 

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/Image.java

@@ -122,7 +122,7 @@ public PullPolicy getPullPolicy() {
 		return this.pullPolicy;
 	}
 
-	public void setPullPolicy(PullPolicy pullPolicy) {
+	void setPullPolicy(PullPolicy pullPolicy) {
 		this.pullPolicy = pullPolicy;
 	}
 
@@ -134,7 +134,7 @@ public Boolean getPublish() {
 		return this.publish;
 	}
 
-	public void setPublish(Boolean publish) {
+	void setPublish(Boolean publish) {
 		this.publish = publish;
 	}