1 files changed, 0 insertions, 101 deletions
diff --git a/services/java/com/android/server/RandomBlock.java b/services/java/com/android/server/RandomBlock.java
deleted file mode 100644
index e5d7301..0000000
--- a/services/java/com/android/server/RandomBlock.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) 2009 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.
- */
-
-package com.android.server;
-
-import android.util.Slog;
-
-import java.io.Closeable;
-import java.io.DataOutput;
-import java.io.EOFException;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.RandomAccessFile;
-
-/**
- * A 4k block of random {@code byte}s.
- */
-class RandomBlock {
-
-    private static final String TAG = "RandomBlock";
-    private static final boolean DEBUG = false;
-    private static final int BLOCK_SIZE = 4096;
-    private byte[] block = new byte[BLOCK_SIZE];
-
-    private RandomBlock() { }
-
-    static RandomBlock fromFile(String filename) throws IOException {
-        if (DEBUG) Slog.v(TAG, "reading from file " + filename);
-        InputStream stream = null;
-        try {
-            stream = new FileInputStream(filename);
-            return fromStream(stream);
-        } finally {
-            close(stream);
-        }
-    }
-
-    private static RandomBlock fromStream(InputStream in) throws IOException {
-        RandomBlock retval = new RandomBlock();
-        int total = 0;
-        while(total < BLOCK_SIZE) {
-            int result = in.read(retval.block, total, BLOCK_SIZE - total);
-            if (result == -1) {
-                throw new EOFException();
-            }
-            total += result;
-        }
-        return retval;
-    }
-
-    void toFile(String filename, boolean sync) throws IOException {
-        if (DEBUG) Slog.v(TAG, "writing to file " + filename);
-        RandomAccessFile out = null;
-        try {
-            out = new RandomAccessFile(filename, sync ? "rws" : "rw");
-            toDataOut(out);
-            truncateIfPossible(out);
-        } finally {
-            close(out);
-        }
-    }
-
-    private static void truncateIfPossible(RandomAccessFile f) {
-        try {
-            f.setLength(BLOCK_SIZE);
-        } catch (IOException e) {
-            // ignore this exception.  Sometimes, the file we're trying to
-            // write is a character device, such as /dev/urandom, and
-            // these character devices do not support setting the length.
-        }
-    }
-
-    private void toDataOut(DataOutput out) throws IOException {
-        out.write(block);
-    }
-
-    private static void close(Closeable c) {
-        try {
-            if (c == null) {
-                return;
-            }
-            c.close();
-        } catch (IOException e) {
-            Slog.w(TAG, "IOException thrown while closing Closeable", e);
-        }
-    }
-}