diff -r 000000000000 -r 263482b074e9 dew/src/main/java/org/apidesign/bck2brwsr/dew/BaseFileObject.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dew/src/main/java/org/apidesign/bck2brwsr/dew/BaseFileObject.java	Wed Oct 02 21:00:24 2013 +0200
@@ -0,0 +1,98 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package org.apidesign.bck2brwsr.dew;
+
+import java.net.URI;
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.NestingKind;
+
+/**
+ *
+ * @author tom
+ */
+public abstract class BaseFileObject implements InferableJavaFileObject {
+
+    protected final String path;
+    protected final Kind kind;
+
+    BaseFileObject(
+        String path,
+        Kind kind) {
+        if (!path.startsWith("/")) {    //NOI18N
+            throw new IllegalArgumentException();
+        }
+        this.path = path;
+        this.kind = kind;
+    }
+
+
+    @Override
+    public String infer() {
+        return ClassLoaderFileManager.convertResourceToFQN(path);
+    }
+
+    @Override
+    public Kind getKind() {
+        return kind;
+    }
+
+    @Override
+    public boolean isNameCompatible(String simpleName, Kind kind) {
+        return this.kind == kind &&
+        getSimpleName(path).equals(simpleName);
+    }
+
+    @Override
+    public NestingKind getNestingKind() {
+        return null;
+    }
+
+    @Override
+    public Modifier getAccessLevel() {
+        return null;
+    }
+
+    @Override
+    public URI toUri() {
+        return URI.create(escape(path));
+    }
+
+    @Override
+    public String getName() {
+        return path;
+    }
+
+
+
+    protected static String getSimpleName(String path) {
+        int slashIndex = path.lastIndexOf('/');
+        assert slashIndex >= 0;
+        return (slashIndex + 1 < path.length()) ?
+            path.substring(slashIndex + 1) :
+            ""; //NOI18N
+    }
+
+    protected static Kind getKind(final String path) {
+        final String simpleName = getSimpleName(path);
+        final int dotIndex = simpleName.lastIndexOf('.'); //NOI18N
+        final String ext = dotIndex > 0 ?
+            simpleName.substring(dotIndex) :
+            "";
+        for (Kind k : Kind.values()) {
+            if (k.extension.equals(ext)) {
+                return k;
+            }
+        }
+        return Kind.OTHER;
+    }
+
+    private String escape(String path) {
+        return path;
+    }
+
+
+}