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NativeOStream.java
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52 lines (43 loc) · 1.28 KB
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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file NativeOStream.java
* @author rdb
* @date 2018-02-10
*/
package org.panda3d.android;
import java.io.OutputStream;
/**
* An implementation of OutputStream that puts its data into a C++ ostream
* pointer, passed as long.
*/
public class NativeOStream extends OutputStream {
private long streamPtr = 0;
public NativeOStream(long ptr) {
streamPtr = ptr;
}
@Override
public void flush() {
nativeFlush(streamPtr);
}
@Override
public void write(int b) {
nativePut(streamPtr, b);
}
@Override
public void write(byte[] buffer) {
nativeWrite(streamPtr, buffer, 0, buffer.length);
}
@Override
public void write(byte[] buffer, int offset, int length) {
nativeWrite(streamPtr, buffer, offset, length);
}
private static native void nativeFlush(long ptr);
private static native void nativePut(long ptr, int b);
private static native void nativeWrite(long ptr, byte[] buffer, int offset, int length);
}