Allow disabling the parser validation.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>

src/main/java/io/vertx/core/cli/CLI.java

@@ -76,6 +76,15 @@ static CLI create(Class<?> clazz) {
    */
   CommandLine parse(List<String> arguments);
 
+  /**
+   * Parses the user command line interface and create a new {@link CommandLine} containing extracting values.
+   *
+   * @param arguments the arguments
+   * @param validate  enable / disable parsing validation
+   * @return the creates command line
+   */
+  CommandLine parse(List<String> arguments, boolean validate);
+
   /**
    * @return the CLI name.
    */

src/main/java/io/vertx/core/cli/impl/DefaultCLI.java

@@ -52,6 +52,18 @@ public CommandLine parse(List<String> arguments) {
     return new DefaultParser().parse(this, arguments);
   }
 
+  /**
+   * Parses the user command line interface and create a new {@link CommandLine} containing extracting values.
+   *
+   * @param arguments the arguments
+   * @param validate  enable / disable parsing validation
+   * @return the creates command line
+   */
+  @Override
+  public CommandLine parse(List<String> arguments, boolean validate) {
+    return new DefaultParser().parse(this, arguments, validate);
+  }
+
   @Override
   public String getName() {
     return name;

src/main/java/io/vertx/core/cli/impl/DefaultParser.java

@@ -79,6 +79,11 @@ static String stripLeadingAndTrailingQuotes(String str) {
 
   public CommandLine parse(CLI cli, List<String> cla)
       throws CLIException {
+    return parse(cli, cla, true);
+  }
+
+  public CommandLine parse(CLI cli, List<String> cla, boolean validate)
+      throws CLIException {
     commandLine = (DefaultCommandLine) CommandLine.create(cli);
     current = null;
     skipParsing = false;
@@ -98,14 +103,17 @@ public CommandLine parse(CLI cli, List<String> cla)
       }
     }
 
-    // check the values of the last option
-    checkRequiredValues();
 
-    // check that all required options has a value
-    checkRequiredOptions();
+    if (validate) {
+      // check the values of the last option
+      checkRequiredValues();
+
+      // check that all required options has a value
+      checkRequiredOptions();
 
-    // Call global validation.
-    validate();
+      // Call global validation.
+      validate();
+    }
 
     return commandLine;
   }