Add JdbcUrlCreator for SAP HANA

java-cfenv-jdbc/src/main/java/io/pivotal/cfenv/jdbc/HanaJdbcUrlCreator.java

@@ -0,0 +1,44 @@
+package io.pivotal.cfenv.jdbc;
+
+import static io.pivotal.cfenv.jdbc.AbstractJdbcUrlCreator.JDBC_PREFIX;
+
+import io.pivotal.cfenv.core.CfCredentials;
+import io.pivotal.cfenv.core.CfService;
+
+public class HanaJdbcUrlCreator implements JdbcUrlCreator {
+	@Override
+	public boolean isDatabaseService(CfService cfService) {
+		return jdbcUrlMatchesScheme(cfService, "sap");
+	}
+
+	@Override
+	public String createJdbcUrl(CfService cfService) {
+		CfCredentials credentials = cfService.getCredentials();
+		String host = credentials.getHost();
+		String port = credentials.getPort();
+		String user = credentials.getUsername();
+
+		return "jdbc:sap://%s:%s?encrypt=true&validateCertificate=true&currentschema=%s".formatted(host, port, user);
+	}
+
+	@Override
+	public String getDriverClassName() {
+		return "com.sap.db.jdbc.Driver";
+	}
+
+	@SuppressWarnings("SameParameterValue")
+	protected boolean jdbcUrlMatchesScheme(CfService cfService, String... uriSchemes) {
+		CfCredentials cfCredentials = cfService.getCredentials();
+		String jdbcUrl = (String) cfCredentials.getMap().get("url");
+
+		if (jdbcUrl != null) {
+			for (String uriScheme : uriSchemes) {
+				if (jdbcUrl.startsWith(JDBC_PREFIX + uriScheme + ":")) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
+}

java-cfenv-jdbc/src/main/resources/META-INF/services/io.pivotal.cfenv.jdbc.JdbcUrlCreator

@@ -3,3 +3,4 @@ io.pivotal.cfenv.jdbc.OracleJdbcUrlCreator
 io.pivotal.cfenv.jdbc.SqlServerJdbcUrlCreator
 io.pivotal.cfenv.jdbc.PostgresqlJdbcUrlCreator
 io.pivotal.cfenv.jdbc.DB2JdbcUrlCreator
+io.pivotal.cfenv.jdbc.HanaJdbcUrlCreator

java-cfenv-jdbc/src/test/java/io/pivotal/cfenv/jdbc/HanaJdbcTests.java

@@ -0,0 +1,61 @@
+package io.pivotal.cfenv.jdbc;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+class HanaJdbcTests extends AbstractJdbcTests {
+
+	@Test
+	public void hanaOnSapBtpServiceCreation() {
+		String name1 = "database-1";
+		String name2 = "database-2";
+
+		mockVcapServices(
+			getServicesPayload(getHanaServicePayload("hanadb-1", hostname, port, username, password, name1),
+				getHanaServicePayload("hanadb-2", hostname, port, username, password, name2)));
+
+		assertJdbcServiceValues(name1, name2);
+
+		CfJdbcEnv cfJdbcEnv = new CfJdbcEnv();
+		CfJdbcService cfJdbcService = cfJdbcEnv.findJdbcServiceByName("hanadb-1");
+		assertThat(cfJdbcService.getUsername()).isEqualTo(username);
+		assertThat(cfJdbcService.getPassword()).isEqualTo(password);
+		assertThat(cfJdbcService.getDriverClassName()).isEqualTo("com.sap.db.jdbc.Driver");
+	}
+
+	// Utility methods
+
+	private void assertJdbcServiceValues(String name1, String name2) {
+		CfJdbcEnv cfJdbcEnv = new CfJdbcEnv();
+
+		CfJdbcService hanaService1 = cfJdbcEnv.findJdbcServiceByName("hanadb-1");
+		CfJdbcService hanaService2 = cfJdbcEnv.findJdbcServiceByName("hanadb-2");
+
+		assertThat(getExpectedJdbcUrl("hana", name1)).isEqualTo(hanaService1.getJdbcUrl());
+		assertThat(getExpectedJdbcUrl("hana", name2)).isEqualTo(hanaService2.getJdbcUrl());
+
+		List<CfJdbcService> cfJdbcServices = cfJdbcEnv.findJdbcServices();
+		assertThat(cfJdbcServices.size()).isEqualTo(2);
+
+		assertThatThrownBy(() -> cfJdbcEnv.findJdbcService().getJdbcUrl()).isInstanceOf(IllegalArgumentException.class)
+			.hasMessage("No unique database service found. Found database service names [hanadb-1, hanadb-2]");
+
+		assertThat(hanaService1.getDriverClassName()).isEqualTo("com.sap.db.jdbc.Driver");
+		assertThat(hanaService2.getDriverClassName()).isEqualTo("com.sap.db.jdbc.Driver");
+
+	}
+
+	private String getHanaServicePayload(String serviceName, String hostname, int port, String user, String password,
+		String name) {
+		return getTemplatedPayload("test-hana-btp-info.json", serviceName, hostname, port, user, password, name);
+	}
+
+	@Override
+	protected String getExpectedJdbcUrl(String databaseType, String name) {
+		return "jdbc:sap://%s:%s?encrypt=true&validateCertificate=true&currentschema=%s".formatted(hostname, port,
+			username);
+	}
+}

java-cfenv-jdbc/src/test/resources/io/pivotal/cfenv/jdbc/test-hana-btp-info.json

@@ -0,0 +1,27 @@
+{
+  "label": "hana",
+  "provider": null,
+  "plan": "hdi-shared",
+  "name": "$serviceName",
+  "tags": [
+    "hana",
+    "database",
+    "relational"
+  ],
+  "instance_name": "$serviceName",
+  "credentials": {
+    "database_id": "REDACTED",
+    "host": "$hostname",
+    "port": "$port",
+    "driver": "com.sap.db.jdbc.Driver",
+    "url": "jdbc:sap://$hostname:$port?encrypt=true&validateCertificate=true&currentschema=$user",
+    "schema": "$user",
+    "certificate": "REDACTED",
+    "hdi_user": "REDACTED",
+    "hdi_password": "REDACTED",
+    "user": "$user",
+    "password": "$password"
+  },
+  "syslog_drain_url": null,
+  "volume_mounts": []
+}