Avoid inclussion of duplicate included paths (#429)

Signed-off-by: Juanjo Garcia <juanjosegarcia@eprosima.com>
(cherry picked from commit 5f95b79)

# Conflicts:
#	src/main/java/com/eprosima/fastdds/fastddsgen.java

src/main/java/com/eprosima/fastdds/fastddsgen.java

@@ -40,8 +40,15 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.IOError;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
+<<<<<<< HEAD
+=======
+import java.nio.file.InvalidPathException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+>>>>>>> 5f95b79 (Avoid inclussion of duplicate included paths (#429))
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
@@ -168,7 +175,54 @@ else if (arg.equals("-example"))
                     throw new BadArgumentException("No architecture speficied after -example argument");
                 }
             }
+<<<<<<< HEAD
             else if (arg.equals("-language"))
+=======
+            else if (arg.equals(extra_template_arg))
+            {
+                if (count + 1 < args.length)
+                {
+                    m_customStgOutput.put(args[count++], args[count++]);
+                }
+                else
+                {
+                    throw new BadArgumentException("Missing arguments for " + extra_template_arg);
+                }
+            }
+            else if (arg.equals(flat_output_directory_arg))
+            {
+                m_flat_output_dir = true;
+            }
+            else if (arg.equals(generate_api_arg))
+            {
+                gen_api_ = true;
+            }
+            else if (arg.equals(help_arg))
+            {
+                printHelp();
+                System.exit(0);
+            }
+            else if (arg.equals("-help+"))
+            {
+                printEnhacedHelp();
+                System.exit(0);
+            }
+            else if (arg.equals(include_path_arg))
+            {
+                if (count < args.length)
+                {
+                    String pathStr = args[count++];
+                    if (!isIncludePathDuplicated(pathStr)) {
+                        m_includePaths.add(include_path_arg.concat(pathStr));
+                    }
+                }
+                else
+                {
+                    throw new BadArgumentException("No include directory specified after " + include_path_arg + " argument");
+                }
+            }
+            else if (arg.equals(language_arg))
+>>>>>>> 5f95b79 (Avoid inclussion of duplicate included paths (#429))
             {
                 if (count < args.length)
                 {
@@ -510,6 +564,70 @@ private void showVersion()
         System.out.println(m_appName + " version " + version);
     }
 
+<<<<<<< HEAD
+=======
+    private boolean isIncludePathDuplicated(String pathToCheck) {
+        try {
+            Path path = Paths.get(pathToCheck);
+            String absPath = path.toAbsolutePath().toString();
+            boolean isDuplicateFound = false;
+            for (String includePath : m_includePaths) {
+                // include paths are prefixed with "-I"
+                if (includePath.length() <= 2) {
+                    continue;
+                }
+                String absIncludePath = Paths.get(includePath.substring(2)).toAbsolutePath().toString();
+                if (absPath.toLowerCase().equals(absIncludePath.toLowerCase())) {
+                    isDuplicateFound = true;
+                    break;
+                }
+            }
+            if (isDuplicateFound) {
+                return true;
+            }
+        } catch (InvalidPathException | IOError | SecurityException ex) {
+            // path operations failed, just returning false
+        }
+        return false;
+    }
+
+    /*
+     * ----------------------------------------------------------------------------------------
+     * Arguments
+     */
+    private static final String case_sensitive_arg = "-cs";
+    private static final String output_path_arg = "-d";
+    private static final String default_container_prealloc_size = "-default-container-prealloc-size";
+    private static final String default_extensibility_arg = "-default_extensibility";
+    private static final String default_extensibility_short_arg = "-de";
+    private static final String specific_platform_arg = "-example";
+    private static final String extra_template_arg = "-extrastg";
+    private static final String flat_output_directory_arg = "-flat-output-dir";
+    private static final String fusion_arg = "-fusion";
+    private static final String help_arg = "-help";
+    private static final String include_path_arg = "-I";
+    private static final String language_arg = "-language";
+    private static final String no_typesupport_arg = "-no-typesupport";
+    private static final String no_typeobjectsupport_arg = "-no-typeobjectsupport";
+    private static final String no_dependencies_arg = "-no-dependencies";
+    private static final String package_arg = "-package";
+    private static final String disable_preprocessor_arg = "-ppDisable";
+    private static final String preprocessor_path_arg = "-ppPath";
+    private static final String python_bindings_arg = "-python";
+    private static final String replace_arg = "-replace";
+    private static final String temp_dir_arg = "-t";
+    private static final String ros2_names_arg = "-typeros2";
+    private static final String cnames_arg = "-typesc";
+    private static final String version_arg = "-version";
+
+    /*
+     * ----------------------------------------------------------------------------------------
+     * Developer Arguments
+     */
+    private static final String generate_api_arg = "-genapi";
+    private static final String execute_test_arg = "-test";
+
+>>>>>>> 5f95b79 (Avoid inclussion of duplicate included paths (#429))
     public static void printHelp()
     {
         System.out.println(m_appName + " usage:");