Minimal viable (and ugly) solution to add version info to cli

Refactoring needed. Tonight is a tough night for concentration. Turning on programming/concentration music didn't help either. Guess what they played? Command&Conquer Soundtrack. Who could concentrate with so many nice and positive memories triggered?
utPLSQL · pesse · Jun 13, 2018 · May 31, 2018 · Jun 5, 2018 · Jun 5, 2018
commit fbbef6d8684ceaf5c539c75f65783da68eb204c5
diff --git a/pom.xml b/pom.xml
@@ -16,6 +16,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <junit.platform.version>1.0.3</junit.platform.version>
         <junit.jupiter.version>5.0.3</junit.jupiter.version>
+        <travisBuildNumber>local</travisBuildNumber>
     </properties>
 
   <dependencies>
@@ -88,6 +89,41 @@
           </programs>
         </configuration>
       </plugin>
+        <plugin>
+            <groupId>com.google.code.maven-replacer-plugin</groupId>
+            <artifactId>replacer</artifactId>
+            <version>1.5.3</version>
+            <executions>
+                <execution>
+                    <id>replace-version-number</id>
+                    <phase>generate-sources</phase>
+                    <goals>
+                        <goal>replace</goal>
+                    </goals>
+                </execution>
+            </executions>
+            <configuration>
+                <basedir>${project.basedir}/src/main/java</basedir>
+                <includes>
+                    <include>**/CliVersionInfo.java</include>
+                </includes>
+                <preserveDir>true</preserveDir>
+                <replacements>
+                    <replacement>
+                        <token>MAVEN_PROJECT_NAME = ".*"</token>
+                        <value>MAVEN_PROJECT_NAME = "${project.name}"</value>
+                    </replacement>
+                    <replacement>
+                        <token>MAVEN_PROJECT_VERSION = ".*"</token>
+                        <value>MAVEN_PROJECT_VERSION = "${project.version}"</value>
+                    </replacement>
+                    <replacement>
+                        <token>BUILD_NO = ".*"</token>
+                        <value>BUILD_NO = "${travisBuildNumber}"</value>
+                    </replacement>
+                </replacements>
+            </configuration>
+        </plugin>
         <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-surefire-plugin</artifactId>

diff --git a/src/main/java/org/utplsql/cli/Cli.java b/src/main/java/org/utplsql/cli/Cli.java
@@ -13,6 +13,7 @@ public class Cli {
 
     static final String HELP_CMD = "-h";
     private static final String RUN_CMD = "run";
+    private static final String VERSION_CMD = "info";
 
     public static void main(String[] args) {
 
@@ -22,16 +23,21 @@ public static void main(String[] args) {
         jc.setProgramName("utplsql");
         // jc.addCommand(HELP_CMD, new HelpCommand());
         RunCommand runCmd = new RunCommand();
+        VersionInfoCommand infoCmd = new VersionInfoCommand();
         jc.addCommand(RUN_CMD, runCmd);
-
+        jc.addCommand(VERSION_CMD, infoCmd);
         int exitCode = DEFAULT_ERROR_CODE;
 
         try {
             jc.parse(args);
 
             if (RUN_CMD.equals(jc.getParsedCommand())) {
                 exitCode = runCmd.run();
-            } else {
+            }
+            else if ( VERSION_CMD.equals(jc.getParsedCommand()) ) {
+                exitCode = infoCmd.run();
+            }
+            else {
                 throw new ParameterException("Command not specified.");
             }
         } catch (ParameterException e) {

diff --git a/src/main/java/org/utplsql/cli/CliVersionInfo.java b/src/main/java/org/utplsql/cli/CliVersionInfo.java
@@ -0,0 +1,20 @@
+package org.utplsql.cli;
+
+/** This class is getting updated automatically by the build process.
+ * Please do not update its constants manually cause they will be overwritten.
+ *
+ * @author pesse
+ */
+public class CliVersionInfo {
+
+    private static final String BUILD_NO = "local";
+    private static final String MAVEN_PROJECT_NAME = "cli";
+    private static final String MAVEN_PROJECT_VERSION = "3.1.1-SNAPSHOT";
+
+    public static String getVersion() {
+        return MAVEN_PROJECT_VERSION + "." + BUILD_NO;
+    }
+
+    public static String getInfo() { return MAVEN_PROJECT_NAME + " " + getVersion(); }
+
+}
diff --git a/src/main/java/org/utplsql/cli/VersionInfoCommand.java b/src/main/java/org/utplsql/cli/VersionInfoCommand.java
@@ -0,0 +1,55 @@
+package org.utplsql.cli;
+
+
+import com.beust.jcommander.Parameter;
+import com.beust.jcommander.Parameters;
+import org.utplsql.api.DBHelper;
+import org.utplsql.api.JavaApiVersionInfo;
+import org.utplsql.api.Version;
+import org.utplsql.api.exception.UtPLSQLNotInstalledException;
+
+import java.sql.Connection;
+import java.util.ArrayList;
+import java.util.List;
+
+@Parameters(separators = "=", commandDescription = "prints version information of cli, java-api and - if connection is given - database utPLSQL framework")
+public class VersionInfoCommand {
+
+    @Parameter(
+            converter = ConnectionInfo.ConnectionStringConverter.class,
+            variableArity = true,
+            description = "<user>/<password>@//<host>[:<port>]/<service> OR <user>/<password>@<TNSName> OR <user>/<password>@<host>:<port>:<SID>")
+    private List<ConnectionInfo> connectionInfoList = new ArrayList<>();
+
+    public ConnectionInfo getConnectionInfo() {
+        if ( connectionInfoList != null && connectionInfoList.size() > 0 )
+            return connectionInfoList.get(0);
+        else
+            return null;
+    }
+
+    public int run() throws Exception {
+
+        System.out.println(CliVersionInfo.getInfo());
+        System.out.println("Java-API " + JavaApiVersionInfo.getVersion());
+
+        ConnectionInfo ci = getConnectionInfo();
+        if ( ci != null ) {
+            // TODO: Ora-check
+            ci.setMaxConnections(1);
+            try (Connection con = ci.getConnection()) {
+                Version v = DBHelper.getDatabaseFrameworkVersion( con );
+                System.out.println("utPLSQL " + v.getNormalizedString());
+            }
+            catch ( UtPLSQLNotInstalledException e ) {
+                System.out.println("utPLSQL framework is not installed in database.");
+            }
+            catch ( Exception e ) {
+                e.printStackTrace();
+                return 1;
+            }
+        }
+
+        return 0;
+    }
+}
diff --git a/src/test/java/org/utplsql/cli/VersionInfoCommandIT.java b/src/test/java/org/utplsql/cli/VersionInfoCommandIT.java
@@ -0,0 +1,43 @@
+package org.utplsql.cli;
+
+import com.beust.jcommander.JCommander;
+import org.junit.jupiter.api.Test;
+import org.utplsql.api.EnvironmentVariableUtil;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class VersionInfoCommandIT {
+
+    @Test
+    public void infoCommandRunsWithoutConnection() throws Exception {
+
+        VersionInfoCommand infoCmd = new VersionInfoCommand();
+
+        JCommander.newBuilder()
+                .addObject(infoCmd)
+                .args(new String[]{})
+                .build();
+
+        int result = infoCmd.run();
+
+        assertEquals(0, result);
+    }
+    @Test
+    public void infoCommandRunsWithConnection() throws Exception {
+
+        String Url  = EnvironmentVariableUtil.getEnvValue("DB_URL", "192.168.99.100:1521:XE");
+        String sUser = EnvironmentVariableUtil.getEnvValue("DB_USER", "app");
+        String sPass = EnvironmentVariableUtil.getEnvValue("DB_PASS", "app");
+
+        VersionInfoCommand infoCmd = new VersionInfoCommand();
+
+        JCommander.newBuilder()
+                .addObject(infoCmd)
+                .args(new String[]{sUser + "/" + sPass + "@" + Url})
+                .build();
+
+        int result = infoCmd.run();
+
+        assertEquals(0, result);
+    }
+}