Add Docker Compose support for Oracle Database using R2DBC

Closes gh-35143

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/service/connection/oracle/OracleEnvironment.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2012-2023 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.docker.compose.service.connection.oracle;
+
+import java.util.Map;
+
+import org.springframework.util.Assert;
+import org.springframework.util.StringUtils;
+
+/**
+ * Oracle Database environment details.
+ *
+ * @author Andy Wilkinson
+ */
+class OracleEnvironment {
+
+	private final String username;
+
+	private final String password;
+
+	private final String database;
+
+	OracleEnvironment(Map<String, String> env) {
+		this.username = env.getOrDefault("APP_USER", "system");
+		this.password = extractPassword(env);
+		this.database = env.getOrDefault("ORACLE_DATABASE", "xepdb1");
+	}
+
+	private String extractPassword(Map<String, String> env) {
+		if (env.containsKey("APP_USER")) {
+			String password = env.get("APP_PASSWORD");
+			Assert.state(StringUtils.hasLength(password), "No Oracle app password found");
+			return password;
+		}
+		Assert.state(!env.containsKey("ORACLE_RANDOM_PASSWORD"),
+				"ORACLE_RANDOM_PASSWORD is not supported without APP_USER and APP_PASSWORD");
+		String password = env.get("ORACLE_PASSWORD");
+		Assert.state(StringUtils.hasLength(password), "No Oracle password found");
+		return password;
+	}
+
+	String getUsername() {
+		return this.username;
+	}
+
+	String getPassword() {
+		return this.password;
+	}
+
+	String getDatabase() {
+		return this.database;
+	}
+
+}

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/service/connection/oracle/OracleR2dbcDockerComposeConnectionDetailsFactory.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2012-2023 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.docker.compose.service.connection.oracle;
+
+import io.r2dbc.spi.ConnectionFactoryOptions;
+
+import org.springframework.boot.autoconfigure.r2dbc.R2dbcConnectionDetails;
+import org.springframework.boot.docker.compose.core.RunningService;
+import org.springframework.boot.docker.compose.service.connection.DockerComposeConnectionDetailsFactory;
+import org.springframework.boot.docker.compose.service.connection.DockerComposeConnectionSource;
+import org.springframework.boot.docker.compose.service.connection.r2dbc.ConnectionFactoryOptionsBuilder;
+
+/**
+ * {@link DockerComposeConnectionDetailsFactory} to create {@link R2dbcConnectionDetails}
+ * for an {@code oracle-xe} service.
+ *
+ * @author Moritz Halbritter
+ * @author Andy Wilkinson
+ * @author Phillip Webb
+ */
+class OracleR2dbcDockerComposeConnectionDetailsFactory
+		extends DockerComposeConnectionDetailsFactory<R2dbcConnectionDetails> {
+
+	OracleR2dbcDockerComposeConnectionDetailsFactory() {
+		super("gvenzl/oracle-xe", "io.r2dbc.spi.ConnectionFactoryOptions");
+	}
+
+	@Override
+	protected R2dbcConnectionDetails getDockerComposeConnectionDetails(DockerComposeConnectionSource source) {
+		return new OracleDbR2dbcDockerComposeConnectionDetails(source.getRunningService());
+	}
+
+	/**
+	 * {@link R2dbcConnectionDetails} backed by a {@code gvenzl/oracle-xe}
+	 * {@link RunningService}.
+	 */
+	static class OracleDbR2dbcDockerComposeConnectionDetails extends DockerComposeConnectionDetails
+			implements R2dbcConnectionDetails {
+
+		private static final ConnectionFactoryOptionsBuilder connectionFactoryOptionsBuilder = new ConnectionFactoryOptionsBuilder(
+				"oracle", 1521);
+
+		private final ConnectionFactoryOptions connectionFactoryOptions;
+
+		OracleDbR2dbcDockerComposeConnectionDetails(RunningService service) {
+			super(service);
+			OracleEnvironment environment = new OracleEnvironment(service.env());
+			this.connectionFactoryOptions = connectionFactoryOptionsBuilder.build(service, environment.getDatabase(),
+					environment.getUsername(), environment.getPassword());
+		}
+
+		@Override
+		public ConnectionFactoryOptions getConnectionFactoryOptions() {
+			return this.connectionFactoryOptions;
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/service/connection/oracle/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-2023 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Auto-configuration for docker compose MySQL service connections.
+ */
+package org.springframework.boot.docker.compose.service.connection.oracle;

spring-boot-project/spring-boot-docker-compose/src/main/resources/META-INF/spring.factories

@@ -12,6 +12,7 @@ org.springframework.boot.docker.compose.service.connection.mariadb.MariaDbR2dbcD
 org.springframework.boot.docker.compose.service.connection.mongo.MongoDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.mysql.MySqlJdbcDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.mysql.MySqlR2dbcDockerComposeConnectionDetailsFactory,\
+org.springframework.boot.docker.compose.service.connection.oracle.OracleR2dbcDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.postgres.PostgresJdbcDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.postgres.PostgresR2dbcDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.rabbit.RabbitDockerComposeConnectionDetailsFactory,\