auto import from //depot/cupcake/@135843
diff --git a/tools/idegen/src/Files.java b/tools/idegen/src/Files.java
new file mode 100644
index 0000000..81176ee
--- /dev/null
+++ b/tools/idegen/src/Files.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+import java.io.*;
+
+/**
+ * File utility methods.
+ */
+class Files {
+
+ /**
+ * Reads file into a string using default encoding.
+ */
+ static String toString(File file) throws IOException {
+ char[] buffer = new char[0x1000]; // 4k
+ int read;
+ Reader in = new FileReader(file);
+ StringBuilder builder = new StringBuilder();
+ while ((read = in.read(buffer)) > -1) {
+ builder.append(buffer, 0, read);
+ }
+ in.close();
+ return builder.toString();
+ }
+
+ /**
+ * Writes a string to a file using default encoding.
+ */
+ static void toFile(String contents, File file) throws IOException {
+ FileWriter out = new FileWriter(file);
+ out.write(contents);
+ out.close();
+ }
+}
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