utPLSQL · pesse · Jun 26, 2019 · Jun 4, 2019 · Jun 7, 2019 · Jun 7, 2019
diff --git a/README.md b/README.md
@@ -55,10 +55,20 @@ ALTER SESSION SET NLS_TERRITORY='AMERICA';
 ```
 
 ## Usage
-Currently, utPLSQL-cli supports the following commands:
+Currently, utPLSQL-cli supports the following sub-commands:
 - run
 - info
 - reporters
+- help
+
+To get more info about a command, use 
+```
+utplsql <sub-command> -h
+```
+Example:
+```
+utplsql run -h
+```
 
 #### \<ConnectionURL>
 
@@ -145,13 +155,13 @@ utplsql run "my/Username"/"myP@ssword"@connectstring
 -t=timeInMinutes   - Sets the timeout in minutes after which the cli will abort. 
 (--timeout)          Default 60
 
--dbout              - Enables DBMS_OUTPUT in the TestRunner-Session
-(--dbms_output)       Default: false
+-D                 - Enables DBMS_OUTPUT in the TestRunner-Session
+(--dbms_output)      Default: false
 
--random             - Enables random order of test executions
+-r                 - Enables random order of test executions
 (--random-test-order) Default: false
 
--seed               - Sets the seed to use for random test execution order. If set, it sets -random to true
+-seed              - Sets the seed to use for random test execution order. If set, it sets -random to true
 (--random-test-order-seed)
 ```
 

diff --git a/pom.xml b/pom.xml
@@ -39,12 +39,6 @@
               </exclusion>
           </exclusions>
       </dependency>
-      <dependency>
-          <groupId>com.beust</groupId>
-          <artifactId>jcommander</artifactId>
-          <version>1.72</version>
-          <scope>compile</scope>
-      </dependency>
       <dependency>
           <groupId>com.zaxxer</groupId>
           <artifactId>HikariCP</artifactId>
@@ -61,6 +55,11 @@
           <artifactId>logback-classic</artifactId>
           <version>1.2.3</version>
       </dependency>
+      <dependency>
+          <groupId>info.picocli</groupId>
+          <artifactId>picocli</artifactId>
+          <version>4.0.0-beta-1b</version>
+      </dependency>
       <dependency>
           <groupId>com.oracle.jdbc</groupId>
           <artifactId>ojdbc8</artifactId>

diff --git a/src/main/java/org/utplsql/cli/Cli.java b/src/main/java/org/utplsql/cli/Cli.java
@@ -1,51 +1,62 @@
 package org.utplsql.cli;
 
-import com.beust.jcommander.JCommander;
-import com.beust.jcommander.ParameterException;
+import picocli.CommandLine;
+
+import java.util.List;
 
 public class Cli {
 
     static final int DEFAULT_ERROR_CODE = 1;
 
-    static final String HELP_CMD = "-h";
-
     public static void main(String[] args) {
 
-        int exitCode = runWithExitCode(args);
+        int exitCode = runPicocliWithExitCode(args);
 
         System.exit(exitCode);
     }
 
-    static int runWithExitCode( String[] args ) {
+    static int runPicocliWithExitCode(String[] args) {
 
         LoggerConfiguration.configure(LoggerConfiguration.ConfigLevel.NONE);
         LocaleInitializer.initLocale();
 
-        JCommander jc = new JCommander();
-        jc.setProgramName("utplsql");
-
-        CommandProvider cmdProvider = new CommandProvider(jc);
-
-        cmdProvider.commands().forEach(cmd -> jc.addCommand(cmd.getCommand(), cmd));
+        CommandLine commandLine = new CommandLine(UtplsqlPicocliCommand.class);
+        commandLine.setTrimQuotes(true);
 
         int exitCode = DEFAULT_ERROR_CODE;
 
-        if ( args.length >= 1 && args[0].equals("-h") ) // Help?
-        {
-            exitCode = 0;
-            jc.usage();
-        }
-        else {
-            try {
-                jc.parse(args);
-
-                exitCode = cmdProvider.getCommand(jc.getParsedCommand()).run();
+        try {
+
+            List<CommandLine> parsedLines = commandLine.parse(args);
+
+            boolean commandWasRun = false;
+            for (CommandLine parsedLine : parsedLines) {
+                if (parsedLine.isUsageHelpRequested()) {
+                    parsedLine.usage(System.out);
+                    return 0;
+                } else if (parsedLine.isVersionHelpRequested()) {
+                    parsedLine.printVersionHelp(System.out);
+                    return 0;
+                }
+
+                Object command = parsedLine.getCommand();
+                if (command instanceof ICommand) {
+                    exitCode = ((ICommand) command).run();
+                    commandWasRun = true;
+                    break;
+                }
+            }
 
-            } catch (ParameterException e) {
-                exitCode = new HelpCommand(jc, e.getMessage()).run();
-            } catch (Exception e) {
-                e.printStackTrace();
+            if (!commandWasRun) {
+                commandLine.usage(System.out);
+            }
+        } catch (CommandLine.ParameterException e) {
+            System.err.println(e.getMessage());
+            if (!CommandLine.UnmatchedArgumentException.printSuggestions(e, System.err)) {
+                e.getCommandLine().usage(System.err);
             }
+        } catch (Exception e) {
+            e.printStackTrace();
         }
 
         return exitCode;

diff --git a/src/main/java/org/utplsql/cli/CliVersionInfo.java b/src/main/java/org/utplsql/cli/CliVersionInfo.java
@@ -7,7 +7,8 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 
-/** This class is getting updated automatically by the build process.
+/**
+ * This class is getting updated automatically by the build process.
  * Please do not update its constants manually cause they will be overwritten.
  *
  * @author pesse
@@ -19,18 +20,22 @@ public class CliVersionInfo {
 
     static {
         try {
-            try ( InputStream in = JavaApiVersionInfo.class.getClassLoader().getResourceAsStream("utplsql-cli.version");
-                  BufferedReader reader = new BufferedReader(new InputStreamReader(in)) ) {
+            try (InputStream in = JavaApiVersionInfo.class.getClassLoader().getResourceAsStream("utplsql-cli.version");
+                 BufferedReader reader = new BufferedReader(new InputStreamReader(in))) {
                 MAVEN_PROJECT_VERSION = reader.readLine();
             }
-        }
-        catch ( IOException e ) {
+        } catch (IOException e) {
             System.out.println("WARNING: Could not get Version information!");
         }
     }
 
-    public static String getVersion() { return MAVEN_PROJECT_VERSION; }
-    public static String getInfo() { return MAVEN_PROJECT_NAME + " " + getVersion(); }
+    public static String getVersion() {
+        return MAVEN_PROJECT_VERSION;
+    }
+
+    public static String getInfo() {
+        return MAVEN_PROJECT_NAME + " " + getVersion();
+    }
 
 
 }
diff --git a/src/main/java/org/utplsql/cli/CommandProvider.java b/src/main/java/org/utplsql/cli/CommandProvider.java
diff --git a/src/main/java/org/utplsql/cli/ConnectionConfig.java b/src/main/java/org/utplsql/cli/ConnectionConfig.java
@@ -9,22 +9,22 @@ public class ConnectionConfig {
     private final String password;
     private final String connect;
 
-    public ConnectionConfig( String connectString ) {
+    public ConnectionConfig(String connectString) {
         Matcher m = Pattern.compile("^(\".+\"|[^/]+)/(\".+\"|[^@]+)@(.*)$").matcher(connectString);
-        if ( m.find() ) {
+        if (m.find()) {
             user = stripEnclosingQuotes(m.group(1));
             password = stripEnclosingQuotes(m.group(2));
             connect = m.group(3);
-        }
-        else
+        } else {
             throw new IllegalArgumentException("Not a valid connectString: '" + connectString + "'");
+        }
     }
 
-    private String stripEnclosingQuotes( String value ) {
-        if ( value.length() > 1
+    private String stripEnclosingQuotes(String value) {
+        if (value.length() > 1
                 && value.startsWith("\"")
                 && value.endsWith("\"")) {
-            return value.substring(1, value.length()-1);
+            return value.substring(1, value.length() - 1);
         } else {
             return value;
         }
@@ -49,6 +49,6 @@ public String getConnectString() {
     public boolean isSysDba() {
         return user != null &&
                 (user.toLowerCase().endsWith(" as sysdba")
-                || user.toLowerCase().endsWith(" as sysoper"));
+                        || user.toLowerCase().endsWith(" as sysoper"));
     }
 }
diff --git a/src/main/java/org/utplsql/cli/ConnectionInfo.java b/src/main/java/org/utplsql/cli/ConnectionInfo.java
diff --git a/src/main/java/org/utplsql/cli/DataSourceProvider.java b/src/main/java/org/utplsql/cli/DataSourceProvider.java
@@ -1,13 +1,13 @@
 package org.utplsql.cli;
 
-import com.zaxxer.hikari.HikariDataSource;
 import org.utplsql.cli.datasource.TestedDataSourceProvider;
 
 import javax.sql.DataSource;
 import java.io.File;
 import java.sql.SQLException;
 
-/** Helper class to give you a ready-to-use datasource
+/**
+ * Helper class to give you a ready-to-use datasource
  *
  * @author pesse
  */
@@ -21,19 +21,18 @@ public class DataSourceProvider {
         }
     }
 
-    public static DataSource getDataSource(ConnectionInfo info, int maxConnections ) throws SQLException {
+    public static DataSource getDataSource(String connectString, int maxConnections) throws SQLException {
 
         requireOjdbc();
 
-        ConnectionConfig config = new ConnectionConfig(info.getConnectionString());
+        ConnectionConfig config = new ConnectionConfig(connectString);
         warnIfSysDba(config);
 
         return new TestedDataSourceProvider(config, maxConnections).getDataSource();
     }
 
     private static void requireOjdbc() {
-        if ( !OracleLibraryChecker.checkOjdbcExists() )
-        {
+        if (!OracleLibraryChecker.checkOjdbcExists()) {
             System.out.println("Could not find Oracle JDBC driver in classpath. Please download the jar from Oracle website" +
                     " and copy it to the 'lib' folder of your utPLSQL-cli installation.");
             System.out.println("Download from http://www.oracle.com/technetwork/database/features/jdbc/jdbc-ucp-122-3110062.html");
@@ -43,7 +42,7 @@ private static void requireOjdbc() {
     }
 
     private static void warnIfSysDba(ConnectionConfig config) {
-        if ( config.isSysDba() ) {
+        if (config.isSysDba()) {
             System.out.println("WARNING: You are connecting to the database as SYSDBA or SYSOPER, which is NOT RECOMMENDED and can put your database at risk!");
         }
     }

diff --git a/src/main/java/org/utplsql/cli/FileWalker.java b/src/main/java/org/utplsql/cli/FileWalker.java
@@ -16,8 +16,9 @@ public List<String> getFileList(File baseDir, String inspectPath) {
     public List<String> getFileList(File baseDir, String inspectPath, boolean relative) {
         File inspectDir = new File(baseDir, inspectPath);
 
-        if (!inspectDir.isDirectory())
+        if (!inspectDir.isDirectory()) {
             throw new IllegalArgumentException(inspectPath + " is not a directory.");
+        }
 
         List<String> fileList = new ArrayList<>();
         listDirFiles(baseDir, inspectDir, fileList, relative);
@@ -28,15 +29,17 @@ public List<String> getFileList(File baseDir, String inspectPath, boolean relati
     private void listDirFiles(File baseDir, File directory, List<String> fileList, boolean relative) {
         File[] directoryFiles = directory.listFiles();
 
-        if (directoryFiles == null)
+        if (directoryFiles == null) {
             return;
+        }
 
         for (File file : directoryFiles) {
             if (file.isFile()) {
                 String absolutePath = file.getAbsolutePath();
 
-                if (relative)
+                if (relative) {
                     absolutePath = absolutePath.substring(baseDir.getAbsolutePath().length() + 1);
+                }
 
                 fileList.add(absolutePath);
             } else {