Merge pull request #8284 from thomas-worm-datev/3.0.0

Fixed template path resolvement to work also on Windows OS.

Author: HugoMario

modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultGenerator.java

@@ -565,7 +565,6 @@ private void generateSupportingFiles(List<File> files, Map<String, Object> bundl
                 } else {
                     templateFile = getFullTemplateFile(config, support.templateFile);
                 }
-                templateFile = templateFile.replace("\\", "/");
 
                 boolean shouldGenerate = true;
                 if(supportingFilesToGenerate != null && !supportingFilesToGenerate.isEmpty()) {
@@ -576,6 +575,7 @@ private void generateSupportingFiles(List<File> files, Map<String, Object> bundl
                 }
 
                 if(ignoreProcessor.allowsFile(new File(outputFilename))) {
+                    templateFile = templateFile.replaceAll("//", "/").replace('/', File.separatorChar);
                     if (templateFile.endsWith("mustache")) {
                         String templateName = templateFile;
                         final com.github.jknack.handlebars.Template hTemplate = getHandlebars(templateName.replace(config.templateDir(), StringUtils.EMPTY));
@@ -585,6 +585,7 @@ private void generateSupportingFiles(List<File> files, Map<String, Object> bundl
                         // writeToFile(outputFilename, tmpl.execute(bundle));
                         files.add(new File(outputFilename));
                     } else {
+                        templateFile = templateFile.replace("\\", "/");
                         InputStream in = null;
 
                         try {