First, simple implementation of active profiles hover

headless-services/commons/commons-boot-app-cli/src/main/java/org/springframework/ide/vscode/commons/boot/app/cli/SpringBootApp.java

@@ -12,7 +12,6 @@ package org.springframework.ide.vscode.commons.boot.app.cli;
 
 import java.io.File;
 import java.io.IOException;
-import java.io.PrintStream;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -30,11 +29,11 @@ import javax.management.remote.JMXConnectorFactory;
 import javax.management.remote.JMXServiceURL;
 
 import org.json.JSONArray;
-import org.json.JSONException;
 import org.json.JSONObject;
 import org.springframework.ide.vscode.commons.util.Log;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.ImmutableList;
 import com.sun.tools.attach.VirtualMachine;
 import com.sun.tools.attach.VirtualMachineDescriptor;
 
@@ -101,16 +100,17 @@ public class SpringBootApp {
 	}
 
 	public boolean isSpringBootApp() throws Exception {
-		return (isSpringBootAppClasspath() || isSpringBootAppSysprops());
+		return !containsSystemProperty("sts4.languageserver.name")
+				&& (
+						isSpringBootAppClasspath() ||
+						isSpringBootAppSysprops()
+				);
 	}
 
 	private boolean isSpringBootAppSysprops() {
 		try {
 			Properties sysprops = this.vm.getSystemProperties();
-			return sysprops.getProperty("sts4.languageserver.name") == null
-				// Note: java.protocol.handler.pkgs may be not be in system properties, and result in NPE (at least in Mac OS)
-			    // To avoid NPE, just reversed the equality check
-				&& "org.springframework.boot.loader".equals(sysprops.getProperty("java.protocol.handler.pkgs"));
+			return "org.springframework.boot.loader".equals(sysprops.getProperty("java.protocol.handler.pkgs"));
 		} catch (Exception e) {
 			Log.log(e);
 		}
@@ -373,7 +373,7 @@ public class SpringBootApp {
 
 	@Override
 	public String toString() {
-		return "SpringBootApp [" +vmd.id() + ", "+vmd.displayName()+"]";
+		return "Process [id=" +getProcessID() + ", name=`"+getProcessName()+"`]";
 	}
 
 	/**
@@ -397,5 +397,32 @@ public class SpringBootApp {
 		System.out.println("}");
 	}
 
+	public List<String> getActiveProfiles() {
+		try {
+			String _env = getEnvironment();
+			if (_env != null) {
+				JSONObject env = new JSONObject(_env);
+				Object _profiles = env.opt("activeProfiles"); //Boot 2.0
+				if (_profiles==null) {
+					_profiles = env.opt("profiles"); //Boot 1.5
+				}
+				if (_profiles instanceof JSONArray) {
+					@SuppressWarnings("unchecked")
+					JSONArray profiles = (JSONArray) _profiles;
+					ImmutableList.Builder<String> list = ImmutableList.builder();
+					for (Object object : profiles) {
+						if (object instanceof String) {
+							list.add((String) object);
+						}
+					}
+					return list.build();
+				}
+			}
+		} catch (Exception e) {
+			Log.log(e);
+		}
+		return null;
+	}
+
 
 }

headless-services/commons/commons-boot-app-cli/src/test/java/org/springframework/ide/vscode/commons/boot/app/cli/SpringBootAppTest.java

@@ -10,6 +10,7 @@
  *******************************************************************************/
 package org.springframework.ide.vscode.commons.boot.app.cli;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
@@ -17,19 +18,21 @@ import static org.junit.Assert.assertTrue;
 import java.io.File;
 import java.net.URL;
 import java.time.Duration;
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
 import org.json.JSONObject;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.ide.vscode.commons.util.AsyncProcess;
 import org.springframework.ide.vscode.commons.util.ExternalCommand;
 import org.springframework.ide.vscode.commons.util.StringUtil;
 import org.springframework.ide.vscode.commons.util.test.ACondition;
 
+import com.google.common.collect.ImmutableList;
+
 public class SpringBootAppTest {
 
 //	private static final String appName = "actuator-client-15-test-subject"; // Boot 1.5 test app
@@ -39,6 +42,8 @@ public class SpringBootAppTest {
 	private static final Duration TIMEOUT = Duration.ofSeconds(30); // in CI build starting the app takes longer than 10s sometimes.
 	//Output from CI build: Started ActuatorClientTestSubjectApplication in 22.962 seconds (JVM running for 26.028)
 
+	private static final List<String> TEST_PROFILES = ImmutableList.of("testing", "funny", "cameleon");
+
 	private static AsyncProcess testAppRunner;
 	private static SpringBootApp testApp;
 
@@ -59,7 +64,8 @@ public class SpringBootAppTest {
 					"java",
 					"-Dserver.port=0", //let spring boot pick randomized free port
 					"-jar",
-					jarFile.getAbsolutePath()
+					jarFile.getAbsolutePath(),
+					"--spring.profiles.active="+StringUtil.collectionToCommaDelimitedString(TEST_PROFILES)
 				),
 				false
 		);
@@ -117,7 +123,7 @@ public class SpringBootAppTest {
 		ACondition.waitFor(TIMEOUT, () -> {
 			String env = testApp.getEnvironment();
 			assertNonEmptyJsonObject(env);
-//			System.out.println("env = "+env);
+			System.out.println("env = "+new JSONObject(env).toString(3));
 		});
 	}
 
@@ -148,6 +154,14 @@ public class SpringBootAppTest {
 		});
 	}
 
+	@Test
+	public void getProfiles() throws Exception {
+		ACondition.waitFor(TIMEOUT, () -> {
+			List<String> result = testApp.getActiveProfiles();
+			assertEquals(ImmutableList.copyOf(TEST_PROFILES), result);
+		});
+	}
+
 	private void assertNonEmptyJsonObject(String jsonData) {
 		JSONObject parsed = new JSONObject(jsonData);
 		assertFalse(parsed.keySet().isEmpty());