Extract autoconfig

- Create separate spring-shell-autoconfigure and keep
  all autoconfig features there.
- Fixes #329

spring-shell-standard-commands/src/main/java/org/springframework/shell/standard/commands/StandardCommandsAutoConfiguration.java

@@ -1,80 +0,0 @@
-/*
- * Copyright 2017 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.
- */
-
-package org.springframework.shell.standard.commands;
-
-import java.util.List;
-
-import org.jline.reader.Parser;
-
-import org.springframework.beans.factory.ObjectProvider;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.shell.ParameterResolver;
-import org.springframework.shell.Shell;
-
-/**
- * Creates beans for standard commands.
- *
- * @author Eric Bottard
- */
-@Configuration
-public class StandardCommandsAutoConfiguration {
-
-	@Bean
-	@ConditionalOnMissingBean(Help.Command.class)
-	@ConditionalOnProperty(prefix = "spring.shell.command.help", value = "enabled", havingValue = "true", matchIfMissing = true)
-	public Help help(List<ParameterResolver> parameterResolvers) {
-		return new Help(parameterResolvers);
-	}
-
-	@Bean
-	@ConditionalOnMissingBean(Clear.Command.class)
-	@ConditionalOnProperty(prefix = "spring.shell.command.clear", value = "enabled", havingValue = "true", matchIfMissing = true)
-	public Clear clear() {
-		return new Clear();
-	}
-
-	@Bean
-	@ConditionalOnMissingBean(Quit.Command.class)
-	@ConditionalOnProperty(prefix = "spring.shell.command.quit", value = "enabled", havingValue = "true", matchIfMissing = true)
-	public Quit quit() {
-		return new Quit();
-	}
-
-	@Bean
-	@ConditionalOnMissingBean(Stacktrace.Command.class)
-	@ConditionalOnProperty(prefix = "spring.shell.command.stacktrace", value = "enabled", havingValue = "true", matchIfMissing = true)
-	public Stacktrace stacktrace() {
-		return new Stacktrace();
-	}
-
-	@Bean
-	@ConditionalOnMissingBean(Script.Command.class)
-	@ConditionalOnProperty(prefix = "spring.shell.command.script", value = "enabled", havingValue = "true", matchIfMissing = true)
-	public Script script(ObjectProvider<Shell> shell, Parser parser) {
-		return new Script(shell, parser);
-	}
-
-	@Bean
-	@ConditionalOnMissingBean(History.Command.class)
-	@ConditionalOnProperty(prefix = "spring.shell.command.history", value = "enabled", havingValue = "true", matchIfMissing = true)
-	public History historyCommand(org.jline.reader.History jLineHistory) {
-		return new History(jLineHistory);
-	}
-}

spring-shell-standard-commands/src/main/resources/META-INF/spring.factories

@@ -1,2 +0,0 @@
-org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-org.springframework.shell.standard.commands.StandardCommandsAutoConfiguration