Extract autoconfig

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

pom.xml

@@ -36,6 +36,7 @@
 		<module>spring-shell-docs</module>
 		<module>spring-shell-dependencies</module>
 		<module>spring-shell-starter</module>
+		<module>spring-shell-autoconfigure</module>
 	</modules>
 
 	<dependencyManagement>
@@ -75,6 +76,11 @@
 				<artifactId>spring-shell-table</artifactId>
 				<version>3.0.0-SNAPSHOT</version>
 			</dependency>
+			<dependency>
+				<groupId>org.springframework.shell</groupId>
+				<artifactId>spring-shell-autoconfigure</artifactId>
+				<version>3.0.0-SNAPSHOT</version>
+			</dependency>
 			<dependency>
 				<groupId>org.jline</groupId>
 				<artifactId>jline</artifactId>

spring-shell-autoconfigure/pom.xml

@@ -0,0 +1,45 @@
+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<artifactId>spring-shell-autoconfigure</artifactId>
+	<name>Spring Shell Autoconfigure</name>
+	<packaging>jar</packaging>
+
+	<parent>
+		<groupId>org.springframework.shell</groupId>
+		<artifactId>spring-shell-parent</artifactId>
+		<version>3.0.0-SNAPSHOT</version>
+	</parent>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-autoconfigure</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-core</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-standard-commands</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>com.beust</groupId>
+			<artifactId>jcommander</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-jcommander-adapter</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+</project>

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/ApplicationRunnerAutoConfiguration.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.shell;
+package org.springframework.shell.boot;
 
 import org.jline.reader.LineReader;
 import org.jline.reader.Parser;
@@ -25,6 +25,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.env.ConfigurableEnvironment;
 import org.springframework.core.env.Environment;
+import org.springframework.shell.Shell;
 import org.springframework.shell.jline.InteractiveShellApplicationRunner;
 import org.springframework.shell.jline.PromptProvider;
 import org.springframework.shell.jline.ScriptShellApplicationRunner;

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/CommandRegistryAutoConfiguration.java

@@ -13,11 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.shell;
+package org.springframework.shell.boot;
 
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.shell.CommandRegistry;
+import org.springframework.shell.ConfigurableCommandRegistry;
+import org.springframework.shell.MethodTargetRegistrar;
 
 @Configuration(proxyBeanMethods = false)
 public class CommandRegistryAutoConfiguration {

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/CompleterAutoConfiguration.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.shell;
+package org.springframework.shell.boot;
 
 import java.util.List;
 import java.util.stream.Collectors;
@@ -26,6 +26,10 @@ import org.jline.reader.ParsedLine;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.shell.CompletingParsedLine;
+import org.springframework.shell.CompletionContext;
+import org.springframework.shell.CompletionProposal;
+import org.springframework.shell.Shell;
 
 @Configuration
 public class CompleterAutoConfiguration {

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/JCommanderParameterResolverAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2021 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.
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-package org.springframework.shell.jcommander;
+package org.springframework.shell.boot;
 
 import com.beust.jcommander.JCommander;
 
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.shell.jcommander.JCommanderParameterResolver;
 import org.springframework.context.annotation.Bean;
 
 /**
@@ -28,7 +29,7 @@ import org.springframework.context.annotation.Bean;
  * @author Eric Bottard
  */
 @Configuration
-@ConditionalOnClass(JCommander.class)
+@ConditionalOnClass({ JCommander.class, JCommanderParameterResolver.class })
 public class JCommanderParameterResolverAutoConfiguration {
 
 	@Bean

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/JLineAutoConfiguration.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.shell;
+package org.springframework.shell.boot;
 
 import org.jline.reader.impl.history.DefaultHistory;
 

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/JLineShellAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2021 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.
@@ -14,11 +14,9 @@
  * limitations under the License.
  */
 
-package org.springframework.shell.jline;
+package org.springframework.shell.boot;
 
 import java.io.IOException;
-import java.util.List;
-import java.util.stream.Collectors;
 
 import org.jline.reader.Parser;
 import org.jline.terminal.Terminal;
@@ -30,6 +28,8 @@ import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.shell.jline.ExtendedDefaultParser;
+import org.springframework.shell.jline.PromptProvider;
 
 /**
  * Shell implementation using JLine to capture input and trigger completions.
@@ -63,16 +63,4 @@ public class JLineShellAutoConfiguration {
 		parser.setEofOnEscapedNewLine(true);
 		return parser;
 	}
-
-	/**
-	 * Sanitize the buffer input given the customizations applied to the JLine parser (<em>e.g.</em> support for
-	 * line continuations, <em>etc.</em>)
-	 */
-	static List<String> sanitizeInput(List<String> words) {
-		words = words.stream()
-			.map(s -> s.replaceAll("^\\n+|\\n+$", "")) // CR at beginning/end of line introduced by backslash continuation
-			.map(s -> s.replaceAll("\\n+", " ")) // CR in middle of word introduced by return inside a quoted string
-			.collect(Collectors.toList());
-		return words;
-	}
 }

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/LineReaderAutoConfiguration.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.shell;
+package org.springframework.shell.boot;
 
 import java.io.IOException;
 import java.nio.file.Paths;
@@ -35,6 +35,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.event.ContextClosedEvent;
 import org.springframework.context.event.EventListener;
+import org.springframework.shell.CommandRegistry;
 
 @Configuration
 public class LineReaderAutoConfiguration {

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/SpringShellAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2021 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.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.shell;
+package org.springframework.shell.boot;
 
 import java.util.Collection;
 
@@ -32,6 +32,8 @@ import org.springframework.core.convert.converter.Converter;
 import org.springframework.core.convert.converter.ConverterFactory;
 import org.springframework.core.convert.converter.GenericConverter;
 import org.springframework.core.convert.support.DefaultConversionService;
+import org.springframework.shell.ResultHandler;
+import org.springframework.shell.Shell;
 import org.springframework.shell.result.IterableResultHandler;
 import org.springframework.shell.result.ResultHandlerConfig;
 

spring-shell-autoconfigure/src/main/java/org/springframework/shell/boot/StandardCommandsAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2021 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.
@@ -14,19 +14,26 @@
  * limitations under the License.
  */
 
-package org.springframework.shell.standard.commands;
+package org.springframework.shell.boot;
 
 import java.util.List;
 
 import org.jline.reader.Parser;
 
 import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 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;
+import org.springframework.shell.standard.commands.Clear;
+import org.springframework.shell.standard.commands.Help;
+import org.springframework.shell.standard.commands.History;
+import org.springframework.shell.standard.commands.Quit;
+import org.springframework.shell.standard.commands.Script;
+import org.springframework.shell.standard.commands.Stacktrace;
 
 /**
  * Creates beans for standard commands.
@@ -34,6 +41,7 @@ import org.springframework.shell.Shell;
  * @author Eric Bottard
  */
 @Configuration
+@ConditionalOnClass({ Help.Command.class })
 public class StandardCommandsAutoConfiguration {
 
 	@Bean

spring-shell-autoconfigure/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,10 @@
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+org.springframework.shell.boot.SpringShellAutoConfiguration,\
+org.springframework.shell.boot.ApplicationRunnerAutoConfiguration,\
+org.springframework.shell.boot.CommandRegistryAutoConfiguration,\
+org.springframework.shell.boot.LineReaderAutoConfiguration,\
+org.springframework.shell.boot.CompleterAutoConfiguration,\
+org.springframework.shell.boot.JLineAutoConfiguration,\
+org.springframework.shell.boot.JLineShellAutoConfiguration,\
+org.springframework.shell.boot.JCommanderParameterResolverAutoConfiguration,\
+org.springframework.shell.boot.StandardCommandsAutoConfiguration

spring-shell-core/src/main/java/org/springframework/shell/Utils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2021 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.
@@ -20,6 +20,8 @@ import java.lang.reflect.Constructor;
 import java.lang.reflect.Executable;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
+import java.util.List;
+import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 import java.util.stream.Stream;
 
@@ -86,4 +88,16 @@ public class Utils {
 			.mapToObj(i -> createMethodParameter(executable, i));
 	}
 
+	/**
+	 * Sanitize the buffer input given the customizations applied to the JLine
+	 * parser (<em>e.g.</em> support for
+	 * line continuations, <em>etc.</em>)
+	 */
+	public static List<String> sanitizeInput(List<String> words) {
+		words = words.stream()
+			.map(s -> s.replaceAll("^\\n+|\\n+$", "")) // CR at beginning/end of line introduced by backslash continuation
+			.map(s -> s.replaceAll("\\n+", " ")) // CR in middle of word introduced by return inside a quoted string
+			.collect(Collectors.toList());
+		return words;
+	}
 }

spring-shell-core/src/main/java/org/springframework/shell/jline/ExtendedDefaultParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2021 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.
@@ -35,7 +35,7 @@ import org.springframework.shell.CompletingParsedLine;
  * @author Original JLine author
  * @author Eric Bottard
  */
-class ExtendedDefaultParser implements Parser {
+public class ExtendedDefaultParser implements Parser {
 
 	private char[] quoteChars = { '\'', '"' };
 

spring-shell-core/src/main/java/org/springframework/shell/jline/ParsedLineInput.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2017-2021 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.
@@ -16,11 +16,13 @@
 
 package org.springframework.shell.jline;
 
-import org.jline.reader.ParsedLine;
-import org.springframework.shell.Input;
-
 import java.util.List;
 
+import org.jline.reader.ParsedLine;
+
+import org.springframework.shell.Input;
+import org.springframework.shell.Utils;
+
 /**
  * An implementation of {@link Input} backed by the result of a {@link org.jline.reader.Parser#parse(String, int)}.
  *
@@ -41,6 +43,6 @@ class ParsedLineInput implements Input {
 
     @Override
     public List<String> words() {
-        return JLineShellAutoConfiguration.sanitizeInput(parsedLine.words());
+        return Utils.sanitizeInput(parsedLine.words());
     }
 }

spring-shell-core/src/main/resources/META-INF/spring.factories

@@ -1,8 +0,0 @@
-org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-org.springframework.shell.SpringShellAutoConfiguration,\
-org.springframework.shell.ApplicationRunnerAutoConfiguration,\
-org.springframework.shell.CommandRegistryAutoConfiguration,\
-org.springframework.shell.LineReaderAutoConfiguration,\
-org.springframework.shell.CompleterAutoConfiguration,\
-org.springframework.shell.JLineAutoConfiguration,\
-org.springframework.shell.jline.JLineShellAutoConfiguration

spring-shell-docs/pom.xml

@@ -4,7 +4,7 @@
 
 	<artifactId>spring-shell-docs</artifactId>
 	<name>Spring Shell Documentation</name>
-	<packaging>jar</packaging>
+	<packaging>pom</packaging>
 
 	<parent>
 		<groupId>org.springframework.shell</groupId>

spring-shell-jcommander-adapter/src/main/resources/META-INF/spring.factories

@@ -1,2 +0,0 @@
-org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-org.springframework.shell.jcommander.JCommanderParameterResolverAutoConfiguration

spring-shell-samples/src/main/java/org/springframework/shell/samples/noautoconf/NoAutoConf.java

@@ -19,16 +19,16 @@ package org.springframework.shell.samples.noautoconf;
 import org.springframework.boot.SpringApplication;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
-import org.springframework.shell.SpringShellAutoConfiguration;
+import org.springframework.shell.boot.JCommanderParameterResolverAutoConfiguration;
-import org.springframework.shell.jcommander.JCommanderParameterResolverAutoConfiguration;
+import org.springframework.shell.boot.JLineShellAutoConfiguration;
-import org.springframework.shell.jline.JLineShellAutoConfiguration;
+import org.springframework.shell.boot.SpringShellAutoConfiguration;
+import org.springframework.shell.boot.StandardCommandsAutoConfiguration;
 import org.springframework.shell.samples.jcommander.JCommanderCommands;
 import org.springframework.shell.samples.standard.Commands;
 import org.springframework.shell.samples.standard.DynamicCommands;
 import org.springframework.shell.samples.standard.TableCommands;
 import org.springframework.shell.standard.FileValueProvider;
 import org.springframework.shell.standard.StandardAPIAutoConfiguration;
-import org.springframework.shell.standard.commands.StandardCommandsAutoConfiguration;
 
 /**
  * This class shows how to use the full extent of Spring Shell without relying on Boot auto configuration.

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

spring-shell-starter/pom.xml

@@ -4,17 +4,21 @@
 
 	<artifactId>spring-shell-starter</artifactId>
 	<name>Spring Shell Starter</name>
-	<packaging>jar</packaging>
+	<packaging>pom</packaging>
 
 	<parent>
 		<groupId>org.springframework.shell</groupId>
 		<artifactId>spring-shell-parent</artifactId>
 		<version>3.0.0-SNAPSHOT</version>
 	</parent>
-	
+
 	<description>Starter Dependency for Using Spring Shell</description>
 
 	<dependencies>
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-autoconfigure</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.shell</groupId>
 			<artifactId>spring-shell-core</artifactId>
@@ -36,5 +40,5 @@
 			<artifactId>spring-shell-table</artifactId>
 		</dependency>
 	</dependencies>
-	
+
 </project>