Fix Javadoc @Since checkstle violations

Apply consistent `@Since` tags and retrofit the existing code using a
best guess from the git history.

Closes gh-17360

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/ExecutableArchiveLauncher.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -30,6 +30,7 @@ import org.springframework.boot.loader.archive.Archive.EntryFilter;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public abstract class ExecutableArchiveLauncher extends Launcher {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/JarLauncher.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -25,6 +25,7 @@ import org.springframework.boot.loader.archive.Archive;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class JarLauncher extends ExecutableArchiveLauncher {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -35,6 +35,7 @@ import org.springframework.lang.UsesJava7;
  * @author Phillip Webb
  * @author Dave Syer
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class LaunchedURLClassLoader extends URLClassLoader {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/Launcher.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -35,6 +35,7 @@ import org.springframework.boot.loader.jar.JarFile;
  *
  * @author Phillip Webb
  * @author Dave Syer
+ * @since 1.0.0
  */
 public abstract class Launcher {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/MainMethodRunner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -24,6 +24,7 @@ import java.lang.reflect.Method;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class MainMethodRunner {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/PropertiesLauncher.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -70,6 +70,7 @@ import org.springframework.boot.loader.util.SystemPropertyUtils;
  * @author Dave Syer
  * @author Janne Valkealahti
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class PropertiesLauncher extends Launcher {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/WarLauncher.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -25,6 +25,7 @@ import org.springframework.boot.loader.archive.Archive;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class WarLauncher extends ExecutableArchiveLauncher {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/Archive.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -28,6 +28,7 @@ import org.springframework.boot.loader.Launcher;
  * An archive that can be launched by the {@link Launcher}.
  *
  * @author Phillip Webb
+ * @since 1.0.0
  * @see JarFileArchive
  */
 public interface Archive extends Iterable<Archive.Entry> {

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/ExplodedArchive.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -39,6 +39,7 @@ import java.util.jar.Manifest;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class ExplodedArchive implements Archive {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/JarFileArchive.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -40,6 +40,7 @@ import org.springframework.boot.loader.jar.JarFile;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  */
 public class JarFileArchive implements Archive {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/data/ByteArrayRandomAccessData.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -23,6 +23,7 @@ import java.io.InputStream;
  * {@link RandomAccessData} implementation backed by a byte array.
  *
  * @author Phillip Webb
+ * @since 1.0.0
  */
 public class ByteArrayRandomAccessData implements RandomAccessData {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/data/RandomAccessData.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2015 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -24,6 +24,7 @@ import java.io.InputStream;
  * Implementations must allow concurrent reads in a thread-safe manner.
  *
  * @author Phillip Webb
+ * @since 1.0.0
  */
 public interface RandomAccessData {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/data/RandomAccessDataFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -28,6 +28,7 @@ import java.util.concurrent.Semaphore;
  * {@link RandomAccessData} implementation backed by a {@link RandomAccessFile}.
  *
  * @author Phillip Webb
+ * @since 1.0.0
  */
 public class RandomAccessDataFile implements RandomAccessData {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/Handler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -36,6 +36,7 @@ import java.util.regex.Pattern;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @since 1.0.0
  * @see JarFile#registerUrlProtocolHandler()
  */
 public class Handler extends URLStreamHandler {

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -45,6 +45,7 @@ import org.springframework.boot.loader.data.RandomAccessDataFile;
  * </ul>
  *
  * @author Phillip Webb
+ * @since 1.0.0
  */
 public class JarFile extends java.util.jar.JarFile {
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/util/SystemPropertyUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -33,6 +33,7 @@ import java.util.Set;
  * @author Juergen Hoeller
  * @author Rob Harrop
  * @author Dave Syer
+ * @since 1.0.0
  * @see System#getProperty(String)
  */
 public abstract class SystemPropertyUtils {