diff options
Diffstat (limited to 'mobile/android/geckoview/src/main/java/org/mozilla/gecko/sqlite/ByteBufferInputStream.java')
-rw-r--r-- | mobile/android/geckoview/src/main/java/org/mozilla/gecko/sqlite/ByteBufferInputStream.java | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/sqlite/ByteBufferInputStream.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/sqlite/ByteBufferInputStream.java new file mode 100644 index 000000000..f6b16619f --- /dev/null +++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/sqlite/ByteBufferInputStream.java @@ -0,0 +1,38 @@ +/* -*- 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; + } +} |