From 47e58d6211e245dcde9d95352cf897625ffd1a55 Mon Sep 17 00:00:00 2001
From: George Gastaldi <gegastaldi@gmail.com>
Date: Sun, 7 Sep 2014 18:49:12 -0300
Subject: [PATCH] ROASTER-32: Supporting array types in parameters

---
 .../jboss/forge/roaster/model/util/Types.java | 22 +++++++++++--------
 .../forge/roaster/model/impl/MethodImpl.java  |  4 ++--
 .../roaster/model/MethodSignatureTest.java    |  4 +++-
 .../test/roaster/model/util/TypesTest.java    |  1 +
 4 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/api/src/main/java/org/jboss/forge/roaster/model/util/Types.java b/api/src/main/java/org/jboss/forge/roaster/model/util/Types.java
index 9be04fa9..3cc67319 100644
--- a/api/src/main/java/org/jboss/forge/roaster/model/util/Types.java
+++ b/api/src/main/java/org/jboss/forge/roaster/model/util/Types.java
@@ -213,7 +213,7 @@ public static boolean isSimpleName(final String name)
    public static boolean isJavaLang(final String type)
    {
       final String javaLang = "java.lang.";
-      
+
       String check;
       if (type.startsWith(javaLang))
       {
@@ -252,16 +252,20 @@ public static String stripGenerics(final String type)
          arrayDimensions = 0;
          componentType = type;
       }
+      final StringBuilder result = new StringBuilder();
       if (isGeneric(componentType))
       {
-         final StringBuilder result = new StringBuilder(componentType.replaceFirst("^([^<]*)<.*?>$", "$1"));
-         for (int i = 0; i < arrayDimensions; i++)
-         {
-            result.append("[]");
-         }
-         return result.toString();
+         result.append(componentType.replaceFirst("^([^<]*)<.*?>$", "$1"));
+      }
+      else
+      {
+         result.append(componentType);
+      }
+      for (int i = 0; i < arrayDimensions; i++)
+      {
+         result.append("[]");
       }
-      return type;
+      return result.toString();
    }
 
    public static String getGenerics(final String type)
@@ -351,7 +355,7 @@ public static boolean isPrimitive(final String result)
     * It simply counts the "[" from the string.
     *
     * @param name an array type, e.g.: byte[] or [Ljava.lang.Boolean;
-    * @return the array dimension. -1 if the type is not a valid array
+    * @return the array dimension. 0 if the type is not a valid array
     */
    public static int getArrayDimension(String name)
    {
diff --git a/impl/src/main/java/org/jboss/forge/roaster/model/impl/MethodImpl.java b/impl/src/main/java/org/jboss/forge/roaster/model/impl/MethodImpl.java
index c393ea96..614bd52e 100644
--- a/impl/src/main/java/org/jboss/forge/roaster/model/impl/MethodImpl.java
+++ b/impl/src/main/java/org/jboss/forge/roaster/model/impl/MethodImpl.java
@@ -668,11 +668,11 @@ public ParameterSource<O> addParameter(JavaType<?> type, String name)
    @Override
    public ParameterSource<O> addParameter(String type, String name)
    {
-      if (!Types.isBasicType(type))
+      if (getOrigin().requiresImport(type))
       {
          getOrigin().addImport(type);
       }
-      String stub = "public class Stub { public void method( " + Types.toSimpleName(type) + " " + name + " ) {} }";
+      String stub = "public class Stub { public void method( " + Types.toSimpleName(Types.stripGenerics(type)) + " " + name + " ) {} }";
       JavaClassSource temp = (JavaClassSource) Roaster.parse(stub);
       List<MethodSource<JavaClassSource>> methods = temp.getMethods();
       List<VariableDeclaration> astParameters = ((MethodDeclaration) methods.get(0).getInternal()).parameters();
diff --git a/impl/src/test/java/org/jboss/forge/test/roaster/model/MethodSignatureTest.java b/impl/src/test/java/org/jboss/forge/test/roaster/model/MethodSignatureTest.java
index b4121912..21ff0210 100644
--- a/impl/src/test/java/org/jboss/forge/test/roaster/model/MethodSignatureTest.java
+++ b/impl/src/test/java/org/jboss/forge/test/roaster/model/MethodSignatureTest.java
@@ -107,11 +107,13 @@ public void testMethodWithPrimitiveParameters() throws Exception
       MethodSource<JavaClassSource> method = javaClass.addMethod().setPublic().setName("doSomething").setReturnType(Integer.TYPE).setBody("return 0;");
       method.addParameter(Integer.TYPE, "initValue");
       method.addParameter(int.class,"intValueClass");
+      method.addParameter(int[].class,"intValueClassArray");
       Assert.assertEquals(1, javaClass.getMethods().size());
       List<ParameterSource<JavaClassSource>> parameters = javaClass.getMethods().get(0).getParameters();
-      Assert.assertEquals(2, parameters.size());
+      Assert.assertEquals(3, parameters.size());
       Assert.assertTrue(parameters.get(0).getType().isPrimitive());
       Assert.assertTrue(parameters.get(1).getType().isPrimitive());
+      Assert.assertTrue(parameters.get(2).getType().isArray());
    }
 
    private void assertVisibility(Visibility visibility, MethodSource<JavaClassSource> method)
diff --git a/impl/src/test/java/org/jboss/forge/test/roaster/model/util/TypesTest.java b/impl/src/test/java/org/jboss/forge/test/roaster/model/util/TypesTest.java
index fb89a62f..74282bc2 100644
--- a/impl/src/test/java/org/jboss/forge/test/roaster/model/util/TypesTest.java
+++ b/impl/src/test/java/org/jboss/forge/test/roaster/model/util/TypesTest.java
@@ -128,6 +128,7 @@ public void testGenerics()
       assertEquals("java.lang.Class[]", Types.stripGenerics("java.lang.Class<LONG_TYPE_VARIABLE_NAME>[]"));
       assertEquals("java.lang.Class[]", Types.stripGenerics("java.lang.Class<? extends Number>[]"));
       assertEquals("java.lang.Class[]", Types.stripGenerics("java.lang.Class<E extends Enum<E>>[]"));
+      assertEquals("int[]", Types.stripGenerics(int[].class.getName()));
    }
 
    @Test