Polish contribution

Closes gh-6613

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/EndpointAutoConfiguration.java

@@ -193,8 +193,8 @@ public class EndpointAutoConfiguration {
 
 		@Bean
 		@ConditionalOnMissingBean
-		public FlywayEndpoint flywayEndpoint(List<Flyway> flyway) {
+		public FlywayEndpoint flywayEndpoint(Map<String, Flyway> flyways) {
-			return new FlywayEndpoint(flyway);
+			return new FlywayEndpoint(flyways);
 		}
 
 	}
@@ -206,8 +206,9 @@ public class EndpointAutoConfiguration {
 
 		@Bean
 		@ConditionalOnMissingBean
-		public LiquibaseEndpoint liquibaseEndpoint(List<SpringLiquibase> liquibase) {
+		public LiquibaseEndpoint liquibaseEndpoint(
-			return new LiquibaseEndpoint(liquibase);
+				Map<String, SpringLiquibase> liquibases) {
+			return new LiquibaseEndpoint(liquibases);
 		}
 
 	}

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/FlywayEndpoint.java

@@ -16,13 +16,9 @@
 
 package org.springframework.boot.actuate.endpoint;
 
-import java.sql.Connection;
-import java.sql.DatabaseMetaData;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -31,7 +27,7 @@ import org.flywaydb.core.api.MigrationInfo;
 import org.flywaydb.core.api.MigrationState;
 import org.flywaydb.core.api.MigrationType;
 
-import org.springframework.boot.actuate.endpoint.FlywayEndpoint.FlywayMigration;
+import org.springframework.boot.actuate.endpoint.FlywayEndpoint.FlywayReport;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.util.Assert;
 
@@ -44,48 +40,54 @@ import org.springframework.util.Assert;
  * @since 1.3.0
  */
 @ConfigurationProperties(prefix = "endpoints.flyway")
-public class FlywayEndpoint extends AbstractEndpoint<Map<String, List<FlywayMigration>>> {
+public class FlywayEndpoint extends AbstractEndpoint<List<FlywayReport>> {
 
-	private final List<Flyway> flyway;
+	private final Map<String, Flyway> flyways;
 
 	public FlywayEndpoint(Flyway flyway) {
-		this(Collections.singletonList(flyway));
+		this(Collections.singletonMap("default", flyway));
 	}
 
-	public FlywayEndpoint(List<Flyway> flyway) {
+	public FlywayEndpoint(Map<String, Flyway> flyways) {
 		super("flyway");
-		Assert.notNull(flyway, "Flyway must not be null");
+		Assert.notEmpty(flyways, "Flyways must be specified");
-		this.flyway = flyway;
+		this.flyways = flyways;
 	}
 
 	@Override
-	public Map<String, List<FlywayMigration>> invoke() {
+	public List<FlywayReport> invoke() {
-		Map<String, List<FlywayMigration>> migrations = new HashMap<String, List<FlywayMigration>>();
+		List<FlywayReport> reports = new ArrayList<FlywayReport>();
-		for (Flyway flyway : this.flyway) {
+		for (Map.Entry<String, Flyway> entry : this.flyways.entrySet()) {
-			Connection connection = null;
+			List<FlywayMigration> migrations = new ArrayList<FlywayMigration>();
-			try {
+			for (MigrationInfo info : entry.getValue().info().all()) {
-				connection = flyway.getDataSource().getConnection();
+				migrations.add(new FlywayMigration(info));
-				DatabaseMetaData metaData = connection.getMetaData();
-
-				List<FlywayMigration> migration = new ArrayList<FlywayMigration>();
-				for (MigrationInfo info : flyway.info().all()) {
-					migration.add(new FlywayMigration(info));
-				}
-				migrations.put(metaData.getURL(), migration);
-			}
-			catch (SQLException e) {
-				//Continue
-			}
-			finally {
-				try {
-					connection.close();
-				}
-				catch (SQLException e) {
-					//Continue
-				}
 			}
+			reports.add(new FlywayReport(entry.getKey(), migrations));
 		}
-		return migrations;
+		return reports;
+	}
+
+	/**
+	 * Flyway report for one datasource.
+	 */
+	public static class FlywayReport {
+
+		private final String name;
+		private final List<FlywayMigration> migrations;
+
+		public FlywayReport(String name, List<FlywayMigration> migrations) {
+			this.name = name;
+			this.migrations = migrations;
+		}
+
+		public String getName() {
+			return this.name;
+		}
+
+		public List<FlywayMigration> getMigrations() {
+			return this.migrations;
+		}
+
 	}
 
 	/**

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/LiquibaseEndpoint.java

@@ -16,10 +16,8 @@
 
 package org.springframework.boot.actuate.endpoint;
 
-import java.sql.DatabaseMetaData;
+import java.util.ArrayList;
-import java.sql.SQLException;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -29,9 +27,9 @@ import liquibase.changelog.StandardChangeLogHistoryService;
 import liquibase.database.Database;
 import liquibase.database.DatabaseFactory;
 import liquibase.database.jvm.JdbcConnection;
-import liquibase.exception.DatabaseException;
 import liquibase.integration.spring.SpringLiquibase;
 
+import org.springframework.boot.actuate.endpoint.LiquibaseEndpoint.LiquibaseReport;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.util.Assert;
 
@@ -42,50 +40,68 @@ import org.springframework.util.Assert;
  * @since 1.3.0
  */
 @ConfigurationProperties(prefix = "endpoints.liquibase")
-public class LiquibaseEndpoint extends AbstractEndpoint<Map<String, List<Map<String, ?>>>> {
+public class LiquibaseEndpoint extends AbstractEndpoint<List<LiquibaseReport>> {
 
-	private final List<SpringLiquibase> liquibase;
+	private final Map<String, SpringLiquibase> liquibases;
 
 	public LiquibaseEndpoint(SpringLiquibase liquibase) {
-		this(Collections.singletonList(liquibase));
+		this(Collections.singletonMap("default", liquibase));
 	}
 
-	public LiquibaseEndpoint(List<SpringLiquibase> liquibase) {
+	public LiquibaseEndpoint(Map<String, SpringLiquibase> liquibase) {
 		super("liquibase");
-		Assert.notNull(liquibase, "Liquibase must not be null");
+		Assert.notEmpty(liquibase, "Liquibase must be specified");
-		this.liquibase = liquibase;
+		this.liquibases = liquibase;
 	}
 
 	@Override
-	public Map<String, List<Map<String, ?>>> invoke() {
+	public List<LiquibaseReport> invoke() {
-		Map<String, List<Map<String, ?>>> services = new HashMap<String, List<Map<String, ?>>>();
+		List<LiquibaseReport> reports = new ArrayList<LiquibaseReport>();
-
 		DatabaseFactory factory = DatabaseFactory.getInstance();
-
+		StandardChangeLogHistoryService service = new StandardChangeLogHistoryService();
-		for (SpringLiquibase liquibase : this.liquibase) {
+		for (Map.Entry<String, SpringLiquibase> entry : this.liquibases.entrySet()) {
-			StandardChangeLogHistoryService service = new StandardChangeLogHistoryService();
 			try {
-				DatabaseMetaData metaData = liquibase.getDataSource().getConnection().getMetaData();
+				DataSource dataSource = entry.getValue().getDataSource();
+				JdbcConnection connection = new JdbcConnection(dataSource.getConnection());
 				try {
-					DataSource dataSource = liquibase.getDataSource();
+					Database database = factory.findCorrectDatabaseImplementation(connection);
-					JdbcConnection connection = new JdbcConnection(dataSource.getConnection());
+					reports.add(new LiquibaseReport(entry.getKey(),
-					try {
+							service.queryDatabaseChangeLogTable(database)));
-						Database database = factory.findCorrectDatabaseImplementation(connection);
-						services.put(metaData.getURL(), service.queryDatabaseChangeLogTable(database));
-					}
-					finally {
-						connection.close();
-					}
 				}
-				catch (DatabaseException ex) {
+				finally {
-					throw new IllegalStateException("Unable to get Liquibase changelog", ex);
+					connection.close();
 				}
 			}
-			catch (SQLException e) {
+			catch (Exception ex) {
-				//Continue
+				throw new IllegalStateException("Unable to get Liquibase changelog", ex);
 			}
 		}
-		return services;
+
+		return reports;
+	}
+
+	/**
+	 * Liquibase report for one datasource.
+	 */
+	public static class LiquibaseReport {
+
+		private final String name;
+
+		private final List<Map<String, ?>> changeLogs;
+
+		public LiquibaseReport(String name, List<Map<String, ?>> changeLogs) {
+			this.name = name;
+			this.changeLogs = changeLogs;
+		}
+
+		public String getName() {
+			return this.name;
+		}
+
+		public List<Map<String, ?>> getChangeLogs() {
+			return this.changeLogs;
+		}
+
 	}
 
 }