com.devops4j.embedded.httpserver.impl.UndefLengthOutputStream Maven / Gradle / Ivy

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package com.devops4j.embedded.httpserver.impl;

import java.io.*;

/**
 * a class which allows the caller to write an indefinite
 * number of bytes to an underlying stream , but without using
 * chunked encoding. Used for http/1.0 clients only
 * The underlying connection needs to be closed afterwards.
 */

class UndefLengthOutputStream extends FilterOutputStream
{
    private boolean closed = false;
    ExchangeImpl t;

    UndefLengthOutputStream (ExchangeImpl t, OutputStream src) {
        super (src);
        this.t = t;
    }

    public void write (int b) throws IOException {
        if (closed) {
            throw new IOException ("stream closed");
        }
        out.write(b);
    }

    public void write (byte[]b, int off, int len) throws IOException {
        if (closed) {
            throw new IOException ("stream closed");
        }
        out.write(b, off, len);
    }

    public void close () throws IOException {
        if (closed) {
            return;
        }
        closed = true;
        flush();
        LeftOverInputStream is = t.getOriginalInputStream();
        if (!is.isClosed()) {
            try {
                is.close();
            } catch (IOException e) {}
        }
        WriteFinishedEvent e = new WriteFinishedEvent(t);
        t.getHttpContext().getServerImpl().addEvent (e);
    }

    // flush is a pass-through
}