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* Note that this class NEVER closes the underlying stream, even when close * gets called. Instead, it will read until the end of the stream (until * {@code -1} is returned). * * @since 4.0 */ public class IdentityInputStream extends InputStream { private final SessionInputBuffer buffer; private final InputStream inputStream; private boolean closed = false; /** * Default constructor. * * @param buffer Session input buffer * @param inputStream Input stream */ public IdentityInputStream(final SessionInputBuffer buffer, final InputStream inputStream) { super(); this.buffer = Args.notNull(buffer, "Session input buffer"); this.inputStream = Args.notNull(inputStream, "Input stream"); } @Override public int available() throws IOException { return this.buffer.length(); } @Override public void close() throws IOException { this.closed = true; } @Override public int read() throws IOException { if (this.closed) { throw new StreamClosedException("Stream already closed"); } return this.buffer.read(this.inputStream); } @Override public int read(final byte[] b, final int off, final int len) throws IOException { if (this.closed) { throw new StreamClosedException("Stream already closed"); } return this.buffer.read(b, off, len, this.inputStream); } }