added message if two classes will be generated with the same name

this problem is explained in detail in issue #692
also did a clean of generated bindings

Author: Plamen5kov

android-static-binding-generator/project/staticbindinggenerator/src/main/java/org/nativescript/staticbindinggenerator/Generator.java

@@ -47,10 +47,16 @@ public Generator(String outputDir, String[] libs, boolean throwOnError) throws I
 
     public void writeBindings(String filename) throws IOException {
         Binding[] bindings = generateBindings(filename);
-
+        List<File> writenFiles = new ArrayList<File>();
         for (Binding b : bindings) {
-            try (PrintStream ps = new PrintStream(b.getFile())) {
-                ps.append(b.getContent());
+            if(!writenFiles.contains(b.getFile())) {
+                writenFiles.add(b.getFile());
+                try (PrintStream ps = new PrintStream(b.getFile())) {
+                    ps.append(b.getContent());
+                }
+            }
+            else {
+                throw new IOException("Trying to write already written file. Both files will have the same file name, which will lead to undefined behavior.\nPlease change the name of one of those classes.\n" + b.getFile());
             }
         }
     }

android-static-binding-generator/project/staticbindinggenerator/src/main/java/org/nativescript/staticbindinggenerator/Main.java

@@ -1,10 +1,10 @@
 package org.nativescript.staticbindinggenerator;
 
+import java.io.IOException;
 import java.util.Arrays;
 
 public class Main {
-    public static void main(String[] args) {
-        try {
+    public static void main(String[] args) throws IOException {
             if (args.length < 3) {
                 throw new IllegalArgumentException("Expects at least three arguments");
             }
@@ -13,8 +13,5 @@ public static void main(String[] args) {
             String[] libs = Arrays.copyOfRange(args, 2, args.length);
 
             new Generator(outputDir, libs).writeBindings(inputBindingFilename);
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
     }
 }

build-artifacts/project-template-gradle/build.gradle

@@ -721,7 +721,12 @@ task deleteConfigurations (type: Delete) {
 	delete "$projectDir/configurations"
 }
 
+task deleteGeneratedBindings(type: Delete) {
+	delete "$projectDir/src/main/java/com/tns/gen"
+}
+
 deleteMetadata.dependsOn(":asbg:clean")
 deleteFlavors.dependsOn(deleteMetadata)
 deleteConfigurations.dependsOn(deleteFlavors)
-clean.dependsOn(deleteConfigurations)
+deleteGeneratedBindings.dependsOn(deleteConfigurations)
+clean.dependsOn(deleteGeneratedBindings)