2 files changed, 16 insertions, 1 deletions
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/resources/JavaFile.java b/sonar-plugin-api/src/main/java/org/sonar/api/resources/JavaFile.java
index a62f672a69e..6ec533c5c49 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/resources/JavaFile.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/resources/JavaFile.java
@@ -179,9 +179,14 @@ public class JavaFile extends Resource<JavaPackage> {
     if (!fileKey.endsWith(".java")) {
       fileKey += ".java";
     }
-    if (StringUtils.substringAfterLast(antPattern, "/").indexOf(".") < 0) {
+    // Add wildcard extension if not provided
+    if ((antPattern.contains("/") && StringUtils.substringAfterLast(antPattern, "/").indexOf(".") < 0) || antPattern.indexOf(".") < 0) {
       antPattern += ".*";
     }
+    String noPackagePrefix = JavaPackage.DEFAULT_PACKAGE_NAME + ".";
+    if (fileKey.startsWith(noPackagePrefix)) {
+      fileKey = fileKey.substring(noPackagePrefix.length());
+    }
     WildcardPattern matcher = WildcardPattern.create(antPattern, ".");
     return matcher.match(fileKey);
   }
diff --git a/sonar-plugin-api/src/test/java/org/sonar/api/resources/JavaFileTest.java b/sonar-plugin-api/src/test/java/org/sonar/api/resources/JavaFileTest.java
index 4b23394e13b..53b9061bc4e 100644
--- a/sonar-plugin-api/src/test/java/org/sonar/api/resources/JavaFileTest.java
+++ b/sonar-plugin-api/src/test/java/org/sonar/api/resources/JavaFileTest.java
@@ -206,6 +206,16 @@ public class JavaFileTest {
     assertTrue(clazz.matchFilePattern("**/*"));
   }
 
+  // SONAR-4397
+  @Test
+  public void shouldMatchFilePatternsWhenNoPackage() {
+    JavaFile clazz = new JavaFile("[default].Foo.java");
+    assertTrue(clazz.matchFilePattern("**/*Foo"));
+    assertTrue(clazz.matchFilePattern("**/*Foo.*"));
+    assertTrue(clazz.matchFilePattern("**/*"));
+    assertTrue(clazz.matchFilePattern("Foo*.*"));
+  }
+
   /**
    * See http://jira.codehaus.org/browse/SONAR-1449
    */