Use HTTPS for license links

This commit updates the MavenPublishingConventions to use HTTPS to
link to the Apache license. The configuration of NoHTTP has also
been reworked so that it will correctly find usch uses of http://
URLs.

Closes gh-21459

build.gradle

 plugins {
 	id "org.jetbrains.kotlin.jvm" apply false // https://youtrack.jetbrains.com/issue/KT-30276
+	id "io.spring.nohttp" version "0.0.3.RELEASE"
 }
 
 description = "Spring Boot Build"
 
 defaultTasks 'build'
 
+nohttp {
+	whitelistFile = project.file("src/nohttp/whitelist.lines")
+	source.exclude "buildSrc/build/**"
+}
+
 allprojects {
 	group "org.springframework.boot"
 

buildSrc/src/main/java/org/springframework/boot/build/JavaConventions.java

@@ -164,8 +164,6 @@ class JavaConventions {
 		DependencySet checkstyleDependencies = project.getConfigurations().getByName("checkstyle").getDependencies();
 		checkstyleDependencies
 				.add(project.getDependencies().create("io.spring.javaformat:spring-javaformat-checkstyle:" + version));
-		checkstyleDependencies
-				.add(project.getDependencies().create("io.spring.nohttp:nohttp-checkstyle:0.0.3.RELEASE"));
 	}
 
 	void copyLegalFiles(Project project, CopySpec metaInf) {

buildSrc/src/main/java/org/springframework/boot/build/MavenPublishingConventions.java

@@ -90,7 +90,7 @@ class MavenPublishingConventions {
 	private void customizeLicences(MavenPomLicenseSpec licences) {
 		licences.license((licence) -> {
 			licence.getName().set("Apache License, Version 2.0");
-			licence.getUrl().set("http://www.apache.org/licenses/LICENSE-2.0");
+			licence.getUrl().set("https://www.apache.org/licenses/LICENSE-2.0");
 		});
 	}
 

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/maven/resources/pom.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot</groupId>
 	<artifactId>spring-boot-maven-plugin</artifactId>

src/checkstyle/nohttp-checkstyle.xml

-<?xml version="1.0"?>
-<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "https://checkstyle.org/dtds/configuration_1_2.dtd">
-<module name="com.puppycrawl.tools.checkstyle.Checker">
-	<module name="io.spring.nohttp.checkstyle.check.NoHttpCheck">
-		<property name="whitelistFileName" value="${main.basedir}/src/checkstyle/nohttp-whitelist.txt"/>
-	</module>
-</module>

src/nohttp/checkstyle.xml

+<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+		"https://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+<module name="Checker">
+	<property name="charset" value="UTF-8"/>
+	<property name="fileExtensions" value=""/>
+	<module name="io.spring.nohttp.checkstyle.check.NoHttpCheck">
+		<property name="whitelistFileName" value="src/nohttp/whitelist.lines"/>
+	</module>
+	<module name="SuppressionFilter">
+		<property name="file" value="src/nohttp/suppressions.xml"/>
+	</module>
+	<module name="SuppressWithPlainTextCommentFilter"/>
+</module>

src/checkstyle/nohttp-checkstyle-suppressions.xml → src/nohttp/suppressions.xml

@@ -4,10 +4,8 @@
 	"https://checkstyle.org/dtds/suppressions_1_2.dtd">
 <suppressions>
 	<suppress files="[\\/]transaction-logs[\\/]" checks="NoHttp" />
-	<suppress files="[\\/]target[\\/]" checks="NoHttp" />
 	<suppress files="[\\/]build.log" checks="NoHttp" />
 	<suppress files=".+\.(jar|git|ico|p12|gif|jks|jpg|svg)" checks="NoHttp" />
-	<suppress files="dependency-reduced-pom.xml" checks="NoHttp" />
 	<suppress files="jquery.validate.js" checks="NoHttp" />
 	<suppress files="jquery-[0-9]\.[0-9]\.[0-9].js" checks="NoHttp" />
 	<suppress files="[\\/]spring-boot-project.setup" checks="NoHttp" />