Remove Spring Messaging dependency

spring-shell-docs/src/test/java/org/springframework/shell/docs/EventLoopSnippets.java

@@ -19,7 +19,7 @@
 import reactor.core.publisher.Flux;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.messaging.Message;
+import org.springframework.shell.jline.tui.component.TerminalEvent;
 import org.springframework.shell.jline.tui.component.view.TerminalUI;
 import org.springframework.shell.jline.tui.component.view.event.EventLoop;
 
@@ -34,7 +34,7 @@ void events() {
 			// tag::plainevents[]
 			TerminalUI ui = new TerminalUI(terminal);
 			EventLoop eventLoop = ui.getEventLoop();
-			Flux<? extends Message<?>> events = eventLoop.events();
+			Flux<? extends TerminalEvent<?>> events = eventLoop.events();
 			events.subscribe();
 			// end::plainevents[]
 		}

spring-shell-docs/src/test/java/org/springframework/shell/docs/TerminalUiSnippets.java

@@ -18,7 +18,7 @@
 import org.jline.terminal.Terminal;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.shell.jline.tui.component.message.ShellMessageBuilder;
+import org.springframework.shell.jline.tui.component.TerminalEvent;
 import org.springframework.shell.jline.tui.component.view.TerminalUI;
 import org.springframework.shell.jline.tui.component.view.TerminalUIBuilder;
 import org.springframework.shell.jline.tui.component.view.control.BoxView;
@@ -65,7 +65,8 @@ void sample() {
 			EventLoop eventLoop = ui.getEventLoop();
 			eventLoop.keyEvents().subscribe(event -> {
 				if (event.getPlainKey() == Key.q && event.hasCtrl()) {
-					eventLoop.dispatch(ShellMessageBuilder.ofInterrupt());
+					TerminalEvent<String> terminalEvent = new TerminalEvent<>("int", EventLoop.Type.SYSTEM);
+					eventLoop.dispatch(terminalEvent);
 				}
 			});
 			ui.run();

spring-shell-jline/pom.xml

@@ -51,11 +51,6 @@
 			<artifactId>ST4</artifactId>
 			<version>${antlr-st4.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-messaging</artifactId>
-			<version>${spring-framework.version}</version>
-		</dependency>
 
 		<!-- Test dependencies -->
 		<dependency>

spring-shell-jline/src/main/java/org/springframework/shell/jline/tui/component/TerminalEvent.java

@@ -0,0 +1,18 @@
+package org.springframework.shell.jline.tui.component;
+
+import java.util.Map;
+
+import org.jspecify.annotations.Nullable;
+
+import org.springframework.shell.jline.tui.component.view.control.View;
+import org.springframework.shell.jline.tui.component.view.event.EventLoop;
+
+/**
+ * @author Piotr Olaszewski
+ */
+public record TerminalEvent<T>(T payload, EventLoop.Type type, @Nullable View view,
+		@Nullable Map<String, Object> attributes) {
+	public TerminalEvent(T payload, EventLoop.Type type) {
+		this(payload, type, null, null);
+	}
+}

spring-shell-jline/src/main/java/org/springframework/shell/jline/tui/component/ViewComponent.java

@@ -20,7 +20,6 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
-import org.springframework.shell.jline.tui.component.message.ShellMessageBuilder;
 import org.springframework.shell.jline.tui.component.view.TerminalUI;
 import org.springframework.shell.jline.tui.component.view.control.View;
 import org.springframework.shell.jline.tui.component.view.control.ViewDoneEvent;
@@ -32,6 +31,7 @@
  * Handles view execution in a non-fullscreen setup.
  *
  * @author Janne Valkealahti
+ * @author Piotr Olaszewski
  */
 public class ViewComponent {
 
@@ -118,7 +118,8 @@ public EventLoop getEventLoop() {
 	 * Request exit from an execution loop.
 	 */
 	public void exit() {
-		eventLoop.dispatch(ShellMessageBuilder.ofInterrupt());
+		TerminalEvent<String> terminalEvent = new TerminalEvent<>("int", EventLoop.Type.SYSTEM);
+		eventLoop.dispatch(terminalEvent);
 	}
 
 	/**