only keep the sources

[fanfix.git] / src / be / nikiroo / utils / streams / Base64InputStream.java

diff --git a/src/be/nikiroo/utils/streams/Base64InputStream.java b/src/be/nikiroo/utils/streams/Base64InputStream.java
deleted file mode 100644 (file)
index a3afaef..0000000
--- a/src/be/nikiroo/utils/streams/Base64InputStream.java
+++ /dev/null
@@ -1,161 +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.FilterInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- * An InputStream that does Base64 decoding on the data read through
- * it.
- */
-public class Base64InputStream extends FilterInputStream {
-    private final Base64.Coder coder;
-
-    private static byte[] EMPTY = new byte[0];
-
-    private static final int BUFFER_SIZE = 2048;
-    private boolean eof;
-    private byte[] inputBuffer;
-    private int outputStart;
-    private int outputEnd;
-
-    /**
-     * An InputStream that performs Base64 decoding on the data read
-     * from the wrapped stream.
-     *
-     * @param in the InputStream to read the source data from
-     */
-    public Base64InputStream(InputStream in) {
-        this(in, false);
-    }
-
-    /**
-     * Performs Base64 encoding or decoding on the data read from the
-     * wrapped InputStream.
-     *
-     * @param in the InputStream to read the source data from
-     * @param flags bit flags for controlling the decoder; see the
-     *        constants in {@link Base64}
-     * @param encode true to encode, false to decode
-     *
-     * @hide
-     */
-    public Base64InputStream(InputStream in, boolean encode) {
-        super(in);
-        eof = false;
-        inputBuffer = new byte[BUFFER_SIZE];
-        if (encode) {
-            coder = new Base64.Encoder(Base64.NO_WRAP, null);
-        } else {
-            coder = new Base64.Decoder(Base64.NO_WRAP, null);
-        }
-        coder.output = new byte[coder.maxOutputSize(BUFFER_SIZE)];
-        outputStart = 0;
-        outputEnd = 0;
-    }
-
-    @Override
-       public boolean markSupported() {
-        return false;
-    }
-
-    @SuppressWarnings("sync-override")
-       @Override
-       public void mark(int readlimit) {
-        throw new UnsupportedOperationException();
-    }
-
-    @SuppressWarnings("sync-override")
-       @Override
-       public void reset() {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-       public void close() throws IOException {
-        in.close();
-        inputBuffer = null;
-    }
-
-    @Override
-       public int available() {
-        return outputEnd - outputStart;
-    }
-
-    @Override
-       public long skip(long n) throws IOException {
-        if (outputStart >= outputEnd) {
-            refill();
-        }
-        if (outputStart >= outputEnd) {
-            return 0;
-        }
-        long bytes = Math.min(n, outputEnd-outputStart);
-        outputStart += bytes;
-        return bytes;
-    }
-
-    @Override
-       public int read() throws IOException {
-        if (outputStart >= outputEnd) {
-            refill();
-        }
-        if (outputStart >= outputEnd) {
-            return -1;
-        }
-        
-        return coder.output[outputStart++] & 0xff;
-    }
-
-    @Override
-       public int read(byte[] b, int off, int len) throws IOException {
-        if (outputStart >= outputEnd) {
-            refill();
-        }
-        if (outputStart >= outputEnd) {
-            return -1;
-        }
-        int bytes = Math.min(len, outputEnd-outputStart);
-        System.arraycopy(coder.output, outputStart, b, off, bytes);
-        outputStart += bytes;
-        return bytes;
-    }
-
-    /**
-     * Read data from the input stream into inputBuffer, then
-     * decode/encode it into the empty coder.output, and reset the
-     * outputStart and outputEnd pointers.
-     */
-    private void refill() throws IOException {
-        if (eof) return;
-        int bytesRead = in.read(inputBuffer);
-        boolean success;
-        if (bytesRead == -1) {
-            eof = true;
-            success = coder.process(EMPTY, 0, 0, true);
-        } else {
-            success = coder.process(inputBuffer, 0, bytesRead, false);
-        }
-        if (!success) {
-            throw new IOException("bad base-64");
-        }
-        outputEnd = coder.op;
-        outputStart = 0;
-    }
-}