Merge pull request #1363 from 1c-syntax/feature/closable-spring-context

Возможность закрыть и переиспользовать спринговый контекст

src/main/java/com/github/_1c_syntax/bsl/languageserver/BSLLSBinding.java

@@ -24,12 +24,14 @@
 import com.github._1c_syntax.bsl.languageserver.configuration.LanguageServerConfiguration;
 import com.github._1c_syntax.bsl.languageserver.context.ServerContext;
 import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticInfo;
+import lombok.AccessLevel;
 import lombok.Getter;
 import org.springframework.boot.Banner;
+import org.springframework.boot.SpringApplication;
 import org.springframework.boot.WebApplicationType;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.builder.SpringApplicationBuilder;
-import org.springframework.context.ApplicationContext;
+import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.core.io.DefaultResourceLoader;
 
@@ -40,16 +42,27 @@
 @ComponentScan("com.github._1c_syntax.bsl.languageserver")
 public class BSLLSBinding {
 
-  @Getter(lazy = true)
-  private static final ApplicationContext applicationContext = createContext();
+  @Getter(lazy = true, value = AccessLevel.PRIVATE)
+  private static final SpringApplication application = createApplication();
+  @Getter(lazy = true, value = AccessLevel.PRIVATE)
+  private static final ConfigurableApplicationContext context = createContext();
 
   public BSLLSBinding() {
     // public constructor is needed for spring initialization
   }
 
+  public static ConfigurableApplicationContext getApplicationContext() {
+    var context = getContext();
+    if (!context.isActive()) {
+      context = createContext();
+    }
+
+    return context;
+  }
+
   @SuppressWarnings("unchecked")
   public static Collection<DiagnosticInfo> getDiagnosticInfos() {
-    return (Collection<DiagnosticInfo>) getApplicationContext().getBean("diagnosticInfos", Collection.class);
+    return getApplicationContext().getBean("diagnosticInfos", Collection.class);
   }
 
   public static LanguageServerConfiguration getLanguageServerConfiguration() {
@@ -60,7 +73,7 @@ public static ServerContext getServerContext() {
     return getApplicationContext().getBean(ServerContext.class);
   }
 
-  private static ApplicationContext createContext() {
+  private static SpringApplication createApplication() {
     return new SpringApplicationBuilder(BSLLSBinding.class)
       .bannerMode(Banner.Mode.OFF)
       .web(WebApplicationType.NONE)
@@ -71,7 +84,10 @@ private static ApplicationContext createContext() {
         "app.command.line.runner.enabled", "false",
         "app.scheduling.enabled", "false"
       ))
-      .build()
-      .run();
+      .build();
+  }
+
+  private static ConfigurableApplicationContext createContext() {
+    return getApplication().run();
   }
 }

src/test/java/com/github/_1c_syntax/bsl/languageserver/BSLLSBindingTest.java

@@ -22,11 +22,9 @@
 package com.github._1c_syntax.bsl.languageserver;
 
 import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-@SpringBootTest
 class BSLLSBindingTest {
 
   @Test
@@ -37,4 +35,35 @@ void testGetServerContext() {
     // then
     assertThat(serverContext).isNotNull();
   }
+
+  @Test
+  void testGetDiagnosticInfos() {
+    // when
+    var diagnosticInfos = BSLLSBinding.getDiagnosticInfos();
+
+    // then
+    assertThat(diagnosticInfos).isNotNull();
+  }
+
+  @Test
+  void testGetLanguageServerConfiguration() {
+    // when
+    var languageServerConfiguration = BSLLSBinding.getLanguageServerConfiguration();
+
+    // then
+    assertThat(languageServerConfiguration).isNotNull();
+  }
+
+  @Test
+  void testReactivateContext() {
+    // given
+    var applicationContext = BSLLSBinding.getApplicationContext();
+    applicationContext.close();
+
+    // when
+    applicationContext = BSLLSBinding.getApplicationContext();
+
+    // then
+    assertThat(applicationContext.isActive()).isTrue();
+  }
 }