only keep the sources

[fanfix.git] / src / be / nikiroo / utils / streams / Base64OutputStream.java

diff --git a/src/be/nikiroo/utils/streams/Base64OutputStream.java b/src/be/nikiroo/utils/streams/Base64OutputStream.java
deleted file mode 100644 (file)
index ab4e457..0000000
--- a/src/be/nikiroo/utils/streams/Base64OutputStream.java
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright (C) 2010 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 be.nikiroo.utils.streams;
-
-import java.io.FilterOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-/**
- * An OutputStream that does Base64 encoding on the data written to
- * it, writing the resulting data to another OutputStream.
- */
-public class Base64OutputStream extends FilterOutputStream {
-    private final Base64.Coder coder;
-    private final int flags;
-
-    private byte[] buffer = null;
-    private int bpos = 0;
-
-    private static byte[] EMPTY = new byte[0];
-
-    /**
-     * Performs Base64 encoding on the data written to the stream,
-     * writing the encoded data to another OutputStream.
-     *
-     * @param out the OutputStream to write the encoded data to
-     */
-    public Base64OutputStream(OutputStream out) {
-        this(out, true);
-    }
-
-    /**
-     * Performs Base64 encoding or decoding on the data written to the
-     * stream, writing the encoded/decoded data to another
-     * OutputStream.
-     *
-     * @param out the OutputStream to write the encoded data to
-     * @param encode true to encode, false to decode
-     *
-     * @hide
-     */
-    public Base64OutputStream(OutputStream out, boolean encode) {
-        super(out);
-        this.flags = Base64.NO_WRAP;
-        if (encode) {
-            coder = new Base64.Encoder(flags, null);
-        } else {
-            coder = new Base64.Decoder(flags, null);
-        }
-    }
-
-    @Override
-       public void write(int b) throws IOException {
-        // To avoid invoking the encoder/decoder routines for single
-        // bytes, we buffer up calls to write(int) in an internal
-        // byte array to transform them into writes of decently-sized
-        // arrays.
-
-        if (buffer == null) {
-            buffer = new byte[1024];
-        }
-        if (bpos >= buffer.length) {
-            // internal buffer full; write it out.
-            internalWrite(buffer, 0, bpos, false);
-            bpos = 0;
-        }
-        buffer[bpos++] = (byte) b;
-    }
-
-    /**
-     * Flush any buffered data from calls to write(int).  Needed
-     * before doing a write(byte[], int, int) or a close().
-     */
-    private void flushBuffer() throws IOException {
-        if (bpos > 0) {
-            internalWrite(buffer, 0, bpos, false);
-            bpos = 0;
-        }
-    }
-
-    @Override
-       public void write(byte[] b, int off, int len) throws IOException {
-        if (len <= 0) return;
-        flushBuffer();
-        internalWrite(b, off, len, false);
-    }
-
-    @Override
-       public void close() throws IOException {
-        IOException thrown = null;
-        try {
-            flushBuffer();
-            internalWrite(EMPTY, 0, 0, true);
-        } catch (IOException e) {
-            thrown = e;
-        }
-
-        try {
-            if ((flags & Base64.NO_CLOSE) == 0) {
-                out.close();
-            } else {
-                out.flush();
-            }
-        } catch (IOException e) {
-            if (thrown != null) {
-                thrown = e;
-            }
-        }
-
-        if (thrown != null) {
-            throw thrown;
-        }
-    }
-
-    /**
-     * Write the given bytes to the encoder/decoder.
-     *
-     * @param finish true if this is the last batch of input, to cause
-     *        encoder/decoder state to be finalized.
-     */
-    private void internalWrite(byte[] b, int off, int len, boolean finish) throws IOException {
-        coder.output = embiggen(coder.output, coder.maxOutputSize(len));
-        if (!coder.process(b, off, len, finish)) {
-            throw new IOException("bad base-64");
-        }
-        out.write(coder.output, 0, coder.op);
-    }
-
-    /**
-     * If b.length is at least len, return b.  Otherwise return a new
-     * byte array of length len.
-     */
-    private byte[] embiggen(byte[] b, int len) {
-        if (b == null || b.length < len) {
-            return new byte[len];
-        }
-        return b;
-    }
-}