Throw IllegalArgumentException if type name is null or empty on createSourceFile and createClassFile.

1 files changed, 6 insertions, 0 deletions

diff --git a/org.eclipse.jdt.apt.core/src/org/eclipse/jdt/apt/core/internal/env/FilerImpl.java b/org.eclipse.jdt.apt.core/src/org/eclipse/jdt/apt/core/internal/env/FilerImpl.java
index bb5c629f58..4823dcda21 100644
--- a/org.eclipse.jdt.apt.core/src/org/eclipse/jdt/apt/core/internal/env/FilerImpl.java
+++ b/org.eclipse.jdt.apt.core/src/org/eclipse/jdt/apt/core/internal/env/FilerImpl.java
@@ -52,6 +52,9 @@ public class FilerImpl implements Filer {
      */
     public PrintWriter createSourceFile(String typeName) throws IOException 
     {
+    	if (typeName == null || typeName.equals("")) { //$NON-NLS-1$
+    		throw new IllegalArgumentException("Cannot create a source file with the following name: " + typeName); //$NON-NLS-1$
+    	}
     	_env.checkValid();
         return new JavaSourceFilePrintWriter( typeName, new StringWriter(), _env ); 
     }
@@ -67,6 +70,9 @@ public class FilerImpl implements Filer {
      */
     public OutputStream createClassFile(String name) throws IOException 
     {
+    	if (name == null || name.equals("")) { //$NON-NLS-1$
+    		throw new IllegalArgumentException("Cannot create a class file with the following name: " + name); //$NON-NLS-1$
+    	}
     	_env.checkValid();
 		_generatedClassFiles = true;