changed signature for usage in generator

modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/Codegen.java

@@ -12,26 +12,33 @@ import java.io.File;
 import java.util.*;
 
 public class Codegen extends DefaultGenerator {
+  static Map<String, CodegenConfig> configs = new HashMap<String, CodegenConfig>();
+  static String configString;
+  static {
+    List<CodegenConfig> extensions = getExtensions();
+    StringBuilder sb = new StringBuilder();
+
+    for(CodegenConfig config : extensions) {
+      if(sb.toString().length() != 0)
+        sb.append(", ");
+      sb.append(config.getName());
+      configs.put(config.getName(), config);
+      configString = sb.toString();
+    }
+  }
+
   static String debugInfoOptions = "\nThe following additional debug options are available for all codegen targets:" +
     "\n -DdebugSwagger prints the swagger specification as interpreted by the codegen" +
     "\n -DdebugModels prints models passed to the template engine" +
     "\n -DdebugOperations prints operations passed to the template engine" +
     "\n -DdebugSupportingFiles prints additional data passed to the template engine";
   public static void main(String[] args) {
-    List<CodegenConfig> extensions = getExtensions();
-    Map<String, CodegenConfig> configs = new HashMap<String, CodegenConfig>();
 
     StringBuilder sb = new StringBuilder();
-    for(CodegenConfig config : extensions) {
-      if(sb.toString().length() != 0)
-        sb.append(", ");
-      sb.append(config.getName());
-      configs.put(config.getName(), config);
-    }
 
     Options options = new Options();
     options.addOption("h", "help", false, "shows this message");
-    options.addOption("l", "lang", true, "client language to generate.\nAvailable languages include:\n\t[" + sb.toString() + "]");
+    options.addOption("l", "lang", true, "client language to generate.\nAvailable languages include:\n\t[" + configString + "]");
     options.addOption("o", "output", true, "where to write the generated files");
     options.addOption("i", "input-spec", true, "location of the swagger spec, as URL or file");
     options.addOption("t", "template-dir", true, "folder containing the template files");
@@ -53,12 +60,12 @@ public class Codegen extends DefaultGenerator {
         return;
       }
       if (cmd.hasOption("l"))
-        clientOptInput.setConfig(getConfig(cmd.getOptionValue("l"), configs));
+        clientOptInput.setConfig(getConfig(cmd.getOptionValue("l")));
       if (cmd.hasOption("o"))
         clientOptInput.getConfig().setOutputDir(cmd.getOptionValue("o"));
       if (cmd.hasOption("h")) {
         if(cmd.hasOption("l")) {
-          config = getConfig(String.valueOf(cmd.getOptionValue("l")), configs);
+          config = getConfig(String.valueOf(cmd.getOptionValue("l")));
           if(config != null) {
             options.addOption("h", "help", true, config.getHelp());
             usage(options);
@@ -103,7 +110,7 @@ public class Codegen extends DefaultGenerator {
     formatter.printHelp( "Codegen", options );
   }
 
-  static CodegenConfig getConfig(String name, Map<String, CodegenConfig> configs) {
+  public static CodegenConfig getConfig(String name) {
     if(configs.containsKey(name)) {
       return configs.get(name);
     }

modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/DefaultGenerator.java

@@ -26,13 +26,14 @@ public class DefaultGenerator implements Generator {
     return this;
   }
 
-  public void generate() {
+  public List<File> generate() {
     if(swagger == null || config == null) {
       throw new RuntimeException("missing swagger input or config!");
     }
     if(System.getProperty("debugSwagger") != null) {
       Json.prettyPrint(swagger);
     }
+    List<File> files = new ArrayList<File>();
     try {
       config.processOpts();
       if(swagger.getInfo() != null) {
@@ -94,6 +95,7 @@ public class DefaultGenerator implements Generator {
               .defaultValue("")
               .compile(template);
             writeToFile(filename, tmpl.execute(models));
+            files.add(new File(filename));
           }
         }
       }
@@ -131,6 +133,7 @@ public class DefaultGenerator implements Generator {
             .compile(template);
 
           writeToFile(filename, tmpl.execute(operation));
+          files.add(new File(filename));
         }
       }
       if(System.getProperty("debugOperations") != null) {
@@ -187,11 +190,13 @@ public class DefaultGenerator implements Generator {
             .compile(template);
 
           writeToFile(outputFilename, tmpl.execute(bundle));
+          files.add(new File(outputFilename));
         }
         else {
           String template = readTemplate(config.templateDir() + File.separator + support.templateFile);
           FileUtils.writeStringToFile(new File(outputFilename), template);
           System.out.println("copying file to " + outputFilename);
+          files.add(new File(outputFilename));
         }
       }
 
@@ -200,6 +205,7 @@ public class DefaultGenerator implements Generator {
     catch (Exception e) {
       e.printStackTrace();
     }
+    return files;
   }
 
   public Map<String, List<CodegenOperation>> processPaths(Map<String, Path> paths) {

modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/Generator.java

@@ -2,7 +2,10 @@ package com.wordnik.swagger.codegen;
 
 import com.wordnik.swagger.models.Swagger;
 
+import java.io.File;
+import java.util.List;
+
 public interface Generator {
   Generator opts(ClientOptInput opts);
-  void generate();
+  List<File> generate();
 }