98 lines
2.3 KiB
Plaintext
Executable File
98 lines
2.3 KiB
Plaintext
Executable File
package com.fp.frontend.filter;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponseWrapper;
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/**
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* Clase para envolver los filtros gzip
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*
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* @author Jorge Vaca
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* @version 2.1
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*/
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public class GZIPResponseWrapper extends HttpServletResponseWrapper {
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protected HttpServletResponse origResponse = null;
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protected ServletOutputStream stream = null;
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protected PrintWriter writer = null;
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public GZIPResponseWrapper(HttpServletResponse response) {
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super(response);
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origResponse = response;
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}
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public ServletOutputStream createOutputStream() throws IOException {
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return (new GZIPResponseStream(origResponse));
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}
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public void finishResponse() {
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try {
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if (writer != null) {
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writer.close();
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} else {
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if (stream != null) {
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stream.close();
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}
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}
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} catch (IOException e) {
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}
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}
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/**
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*
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* @throws IOException
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*/
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@Override
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public void flushBuffer() throws IOException {
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stream.flush();
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}
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/**
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*
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* @return
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* @throws IOException
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*/
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@Override
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public ServletOutputStream getOutputStream() throws IOException {
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if (writer != null) {
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throw new IllegalStateException("getWriter() has already been called!");
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}
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if (stream == null) {
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stream = createOutputStream();
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}
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return (stream);
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}
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/**
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*
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* @return
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* @throws IOException
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*/
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@Override
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public PrintWriter getWriter() throws IOException {
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if (writer != null) {
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return (writer);
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}
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if (stream != null) {
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throw new IllegalStateException("getOutputStream() has already been called!");
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}
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stream = createOutputStream();
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writer = new PrintWriter(new OutputStreamWriter(stream, "UTF-8"));
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return (writer);
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}
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/**
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*
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* @param length
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*/
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@Override
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public void setContentLength(int length) {
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}
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}
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