Moved wrapOutputStream to PostCompiler

src/core/lombok/core/PostCompiler.java

@@ -21,7 +21,9 @@
  */
 package lombok.core;
 
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.OutputStream;
 import java.util.Collections;
 import java.util.List;
 
@@ -55,4 +57,27 @@ public final class PostCompiler {
 			diagnostics.addWarning("Could not load post-compile transformers: " + e.getMessage());
 		}
 	}
+
+	public static OutputStream wrapOutputStream(final OutputStream originalStream, final String className, final DiagnosticsReceiver diagnostics) throws IOException {
+		return new ByteArrayOutputStream() {
+			@Override public void close() throws IOException {
+				// no need to call super
+				byte[] original = toByteArray();
+				byte[] copy = null;
+				try {
+					copy = applyTransformations(original, className, diagnostics);
+				} catch (Exception e) {
+					diagnostics.addWarning(String.format("Error during the transformation of '%s'; no post-compilation has been applied", className));
+				}
+				
+				if (copy == null) {
+					copy = original;
+				}
+				
+				// Exceptions below should bubble
+				originalStream.write(copy);
+				originalStream.close(); 
+			}
+		};
+	}
 }

src/core/lombok/javac/apt/InterceptingJavaFileObject.java

@@ -21,7 +21,6 @@
  */
 package lombok.javac.apt;
 
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -48,29 +47,7 @@ final class InterceptingJavaFileObject implements JavaFileObject {
 	}
 	
 	public OutputStream openOutputStream() throws IOException {
-		// Open it first to make sure we throw an exception if that fails.
-		final OutputStream originalStream = delegate.openOutputStream();
-		
-		return new ByteArrayOutputStream() {
-			@Override public void close() throws IOException {
-				// no need to call super
-				byte[] original = toByteArray();
-				byte[] copy = null;
-				try {
-					copy = PostCompiler.applyTransformations(original, className, diagnostics);
-				} catch (Exception e) {
-					diagnostics.addWarning(String.format("Error during the transformation of '%s'; no post-compilation has been applied", className));
-				}
-				
-				if (copy == null) {
-					copy = original;
-				}
-				
-				// Exceptions below should bubble
-				originalStream.write(copy);
-				originalStream.close(); 
-			}
-		};
+		return PostCompiler.wrapOutputStream(delegate.openOutputStream(), className, diagnostics);
 	}
 	
 	public Writer openWriter() throws IOException {