package com.junmix.utilities.gzip;

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class GZIPResponseWrapper extends HttpServletResponseWrapper {
    protected HttpServletResponse origResponse = null;

    protected ServletOutputStream stream = null;

    protected PrintWriter writer = null;

    public GZIPResponseWrapper(HttpServletResponse response) {
        super(response);
        origResponse = response;
    }

    public ServletOutputStream createOutputStream() throws IOException {
        return (new GZIPResponseStream(origResponse));
    }

    public void finishResponse() {
        try {
            if (writer != null) {
                writer.close();
            } else {
                if (stream != null) {
                    stream.close();
                }
            }
        } catch (IOException e) {
        }
    }

    public void flushBuffer() throws IOException {
        stream.flush();
    }

    public ServletOutputStream getOutputStream() throws IOException {
        if (writer != null) {
            throw new IllegalStateException("getWriter is already opened.");
        }
        if (stream == null) {
            stream = createOutputStream();
        }
        return (stream);
    }

    public PrintWriter getWriter() throws IOException {
        if (writer != null) {
            return (writer);
        }
        if (stream != null) {
            throw new IllegalStateException("getOutputStream is already opened.");
        }
        stream = createOutputStream();
        writer = new PrintWriter(new OutputStreamWriter(stream, "SJIS"));
        return (writer);
    }

    public void setContentLength(int length) {
    }
}