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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.sqlite;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
/*
* Helper class to make the ByteBuffers returned by SQLite BLOB
* easier to use.
*/
public class ByteBufferInputStream extends InputStream {
private final ByteBuffer mByteBuffer;
public ByteBufferInputStream(ByteBuffer aByteBuffer) {
mByteBuffer = aByteBuffer;
}
@Override
public synchronized int read() throws IOException {
if (!mByteBuffer.hasRemaining()) {
return -1;
}
return mByteBuffer.get();
}
@Override
public synchronized int read(byte[] aBytes, int aOffset, int aLen)
throws IOException {
int toRead = Math.min(aLen, mByteBuffer.remaining());
mByteBuffer.get(aBytes, aOffset, toRead);
return toRead;
}
}
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