75 lines
1.1 KiB
Java
75 lines
1.1 KiB
Java
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package net.filebot.util;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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public class ByteBufferInputStream extends InputStream {
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private final ByteBuffer buffer;
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public ByteBufferInputStream(ByteBuffer buffer) {
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this.buffer = buffer;
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}
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@Override
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public int read() throws IOException {
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return (buffer.position() < buffer.limit()) ? (buffer.get() & 0xff) : -1;
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}
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@Override
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public int read(byte[] b, int off, int len) throws IOException {
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if (b == null) {
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throw new NullPointerException();
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} else if (off < 0 || len < 0 || len > b.length - off) {
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throw new IndexOutOfBoundsException();
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}
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if (buffer.position() >= buffer.limit()) {
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return -1;
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}
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if (len > buffer.remaining()) {
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len = buffer.remaining();
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}
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if (len <= 0) {
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return 0;
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}
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buffer.get(b, off, len);
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return len;
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}
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@Override
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public int available() throws IOException {
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return buffer.remaining();
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}
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@Override
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public boolean markSupported() {
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return true;
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}
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@Override
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public void mark(int readlimit) {
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buffer.mark();
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}
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@Override
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public void reset() throws IOException {
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buffer.reset();
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}
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}
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