Example usage for javax.servlet ServletResponse setContentLength

Introduction

In this page you can find the example usage for javax.servlet ServletResponse setContentLength.

Prototype

public void setContentLength(int len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:com.iisigroup.cap.component.impl.ByteArrayDownloadResult.java

@Override
public void respondResult(ServletResponse response) {
    int length = -1;
    InputStream in = null;/*from   ww w  .  j a v a2s .  c o m*/
    OutputStream output = null;
    try {
        response.setContentType(getContentType());
        response.setContentLength(_byteArray.length);
        if (getOutputName() != null && response instanceof HttpServletResponse) {
            HttpServletResponse resp = (HttpServletResponse) response;
            HttpServletRequest req = (HttpServletRequest) _request.getServletRequest();
            String userAgent = req.getHeader("USER-AGENT");
            if (StringUtils.contains(userAgent, "MSIE")) {
                resp.setHeader("Content-Disposition", "attachment; filename=\"" + _outputName + "\"");
            } else {
                resp.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + _outputName);
            }
            resp.setHeader("Cache-Control", "public");
            resp.setHeader("Pragma", "public");
        }
        output = response.getOutputStream();
        // Stream to the requester.
        byte[] bbuf = new byte[1024 * 1024];

        in = new ByteArrayInputStream(_byteArray);
        while ((in != null) && ((length = in.read(bbuf)) != -1)) {
            output.write(bbuf, 0, length);
        }
        output.flush();
    } catch (IOException e) {
        e.getMessage();
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(output);
    }
}

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From source file:com.shopzilla.ducky.WadlXsltFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    if (this.requestMatcher.match(request)) {

        LOG.debug("adding transform");

        ByteBufferResponseWrapper wrapper = new ByteBufferResponseWrapper((HttpServletResponse) response);
        String styleSheetPath = makeProcessingInstruction(request);

        chain.doFilter(request, wrapper);

        wrapper.getWriter().flush();/*from w w  w  .j av a2 s. c  om*/
        String responseStr = injectStyleSheet(wrapper.toString(), styleSheetPath);
        response.setContentLength(responseStr.length());
        PrintWriter out = response.getWriter();
        out.append(responseStr);
        out.flush();

    } else {

        LOG.debug("NOT adding transform");
        // just pass it along
        chain.doFilter(request, response);
    }
}

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From source file:io.scigraph.services.jersey.dynamic.SwaggerFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    // Capture the output of the filter chain
    ByteArrayResponseWrapper wrappedResp = new ByteArrayResponseWrapper((HttpServletResponse) response);
    chain.doFilter(request, wrappedResp);
    if (isGzip(request)) {
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                GZIPInputStream gis = new GZIPInputStream(is);
                ByteArrayOutputStream bs = new ByteArrayOutputStream();
                GZIPOutputStream gzos = new GZIPOutputStream(bs)) {
            byte[] newApi = writeDynamicResource(gis);
            gzos.write(newApi);// w w w  .j av a  2  s  .c  o  m
            gzos.close();
            byte[] output = bs.toByteArray();
            response.setContentLength(output.length);
            response.getOutputStream().write(output);
        }
    } else {
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                ByteArrayOutputStream bs = new ByteArrayOutputStream()) {
            byte[] newApi = writeDynamicResource(is);
            response.setContentLength(newApi.length);
            response.getOutputStream().write(newApi);
        }

    }
}

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From source file:edu.sdsc.scigraph.services.jersey.dynamic.SwaggerFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    boolean gzip = isGzip(request);

    // Capture the output of the filter chain
    ByteArrayResponseWrapper wrappedResp = new ByteArrayResponseWrapper((HttpServletResponse) response);
    chain.doFilter(request, wrappedResp);
    if (gzip) {// www .j  a  v  a  2  s. c o m
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                GZIPInputStream gis = new GZIPInputStream(is);
                ByteArrayOutputStream bs = new ByteArrayOutputStream();
                GZIPOutputStream gzos = new GZIPOutputStream(bs)) {
            byte[] newApi = writeDynamicResource(gis);
            gzos.write(newApi);
            gzos.close();
            byte[] output = bs.toByteArray();
            response.setContentLength(output.length);
            response.getOutputStream().write(output);
        }
    } else {
        try (InputStream is = new ByteArrayInputStream(wrappedResp.getBytes());
                ByteArrayOutputStream bs = new ByteArrayOutputStream()) {
            byte[] newApi = writeDynamicResource(is);
            response.setContentLength(newApi.length);
            response.getOutputStream().write(newApi);
        }

    }
}

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From source file:com.iisigroup.cap.component.impl.FileDownloadResult.java

public void respondResult(ServletResponse response) {
    InputStream in = null;//w  ww .j  a  v a2  s. c om
    OutputStream output = null;
    try {
        response.setContentType(_contentType);
        if (_outputName != null && response instanceof HttpServletResponse) {
            HttpServletResponse resp = (HttpServletResponse) response;
            resp.setHeader("Content-Disposition", "attachment;filename=\"" + _outputName + "\"");
            resp.setHeader("Cache-Control", "public");
            resp.setHeader("Pragma", "public");
        }
        output = response.getOutputStream();
        File file = new File(_file);
        int length = -1;
        // Stream to the requester.
        byte[] bbuf = new byte[1024 * 1024];
        int len = 0;
        in = new FileInputStream(file);
        while ((in != null) && ((length = in.read(bbuf)) != -1)) {
            output.write(bbuf, 0, length);
            len += length;
        }
        response.setContentLength(len);
        output.flush();
    } catch (Exception e) {
        throw new CapException(e, getClass());
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(output);
    }

}

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From source file:de.betterform.agent.web.filter.XSLTFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;
    ServletContext servletContext = filterConfig.getServletContext();

    /* TODO: clean up, styleFile is  never used */
    String stylePath = null;/* w ww .  j  a  v  a2s . c om*/
    try {
        stylePath = WebFactory.getRealPath(xsltPath, servletContext);
    } catch (XFormsConfigException e) {
        throw new ServletException(e);
    }
    File styleFile = new File(stylePath, xslFile);

    PrintWriter out = response.getWriter();
    CharResponseWrapper wrapper = new CharResponseWrapper((HttpServletResponse) response);
    try {
        URI uri = new File(WebFactory.getRealPath(xsltPath, servletContext)).toURI().resolve(new URI(xslFile));
        XSLTGenerator generator = WebFactory.setupTransformer(uri, servletContext);

        wrapper.setContentType("text/html");
        chain.doFilter(request, wrapper);

        StringReader sr = new StringReader(wrapper.toString());
        generator.setInput(sr);
        //            Source xmlSource = new StreamSource((Reader) sr);
        CharArrayWriter caw = new CharArrayWriter();
        generator.setOutput(caw);

        //            StreamResult result = new StreamResult(caw);
        //            transformer.transform(xmlSource, result);
        generator.generate();
        response.setContentLength(caw.toString().length());
        out.write(caw.toString());

    } catch (URISyntaxException e) {
        out.println(e.toString());
        out.write(wrapper.toString());
    } catch (XFormsException e) {
        out.println(e.toString());
        out.write(wrapper.toString());
    }
}

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From source file:com.mirantis.cachemod.filter.CacheFilter.java

public void writeCacheToResponse(CacheEntry cacheEntry, ServletResponse response, boolean fragment)
        throws IOException {

    if (cacheEntry.getContentType() != null) {
        response.setContentType(cacheEntry.getContentType());
    }/*w w  w . j a v a  2  s .  c o m*/

    if (!fragment) {

        if (response instanceof HttpServletResponse) {
            HttpServletResponse httpResponse = (HttpServletResponse) response;

            if (cacheEntry.getLastModified() != -1) {
                httpResponse.setDateHeader("Last-Modified", cacheEntry.getLastModified());
            }

            if (cacheEntry.getExpires() != Long.MAX_VALUE) {
                httpResponse.setDateHeader("Expires", cacheEntry.getExpires());
            }

            if (cacheEntry.getMaxAge() != -1) {
                if (cacheEntry.getMaxAge() < 0) { // set max-age based on life time
                    long currentMaxAge = -cacheEntry.getMaxAge() / 1000 - System.currentTimeMillis() / 1000;
                    if (currentMaxAge < 0) {
                        currentMaxAge = 0;
                    }
                    httpResponse.addHeader("Cache-Control", "max-age=" + currentMaxAge);
                } else {
                    httpResponse.addHeader("Cache-Control", "max-age=" + cacheEntry.getMaxAge());
                }
            }

        }
    }

    if (cacheEntry.getLocale() != null) {
        response.setLocale(cacheEntry.getLocale());
    }

    OutputStream out = new BufferedOutputStream(response.getOutputStream());
    response.setContentLength(cacheEntry.getContent().length);
    out.write(cacheEntry.getContent());
    out.flush();
}

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From source file:com.flexive.war.servlet.CeFileUpload.java

@Override
public void service(ServletRequest servletRequest, ServletResponse servletResponse)
        throws ServletException, IOException {
    String renderContent = null;//w  w  w .  j  av a2  s .  co m
    try {

        final HttpServletRequest request = (HttpServletRequest) servletRequest;
        final BeContentEditorBean ceb = null; // = ContentEditorBean.getSingleton().getInstance(request);

        if (ceb == null) {
            renderContent = "No Content Editor Bean is active";
        } else {

            // Create a factory for disk-based file items
            FileItemFactory factory = new DiskFileItemFactory();

            // Create a new file upload handler
            ServletFileUpload upload = new ServletFileUpload(factory);

            // Parse the request
            List /* FileItem */ items = upload.parseRequest(request);

            BinaryDescriptor binary = null;

            String xpath = null;
            for (Object item1 : items) {
                FileItem item = (FileItem) item1;
                if (item.isFormField()) {
                    if (item.getFieldName().equalsIgnoreCase("result")) {
                        renderContent = item.getString().replaceAll("\\\\n", "\\\n");
                    } else if (item.getFieldName().equalsIgnoreCase("xpath")) {
                        xpath = item.getString();
                    }
                } else {
                    InputStream uploadedStream = null;
                    try {
                        uploadedStream = item.getInputStream();
                        String name = item.getName();
                        if (name.indexOf('\\') > 0)
                            name = name.substring(name.lastIndexOf('\\') + 1);
                        binary = new BinaryDescriptor(name, item.getSize(), uploadedStream);
                    } finally {
                        if (uploadedStream != null)
                            uploadedStream.close();
                    }
                }
                //                    System.out.println("Item: " + item.getName());
            }

            //FxContent co = ceb.getContent();
            FxBinary binProperty = new FxBinary(binary);
            //co.setValue(xpath, binProperty);
            //ceb.getContentEngine().prepareSave(co);
        }
    } catch (Throwable t) {
        System.err.println(t.getMessage());
        t.printStackTrace();
        renderContent = t.getMessage();
    }

    // Render the result
    PrintWriter w = servletResponse.getWriter();
    if (renderContent == null) {
        renderContent = "No content";
    }
    w.print(renderContent);
    w.close();
    servletResponse.setContentType("text/html");
    servletResponse.setContentLength(renderContent.length());
    ((HttpServletResponse) servletResponse).setStatus(HttpServletResponse.SC_OK);
}

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From source file:org.force66.mock.servletapi.MockFilterChain.java

public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
    Validate.notNull(request, "Null request not allowed.");
    Validate.notNull(response, "Null response not allowed.");

    if (this.runtimeException != null) {
        throw this.runtimeException;
    }/*from w w w  .j av  a  2  s  . c o m*/
    if (this.ioException != null) {
        throw this.ioException;
    }
    if (this.servletException != null) {
        throw this.servletException;
    }

    try {
        Thread.sleep(sleepTimeInMillis);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    if (contentType != null) {
        response.setContentType(contentType);
    }
    if (outputData != null) {
        response.setContentLength(outputData.toString().length());
        response.getOutputStream().write(outputData);
    }

    if (response.getOutputStream() != null) {
        response.getOutputStream().flush();
        response.getOutputStream().close();
    }

}

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From source file:org.infoscoop.web.I18NFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    BufferHttpServletResponseWrapper bufResponse = new BufferHttpServletResponseWrapper(
            (HttpServletResponse) response);
    chain.doFilter(request, bufResponse);
    bufResponse.flushBuffer();//from  ww w .  ja  v  a  2 s . c o  m
    String body = bufResponse.getStringContent();

    try {
        body = I18NUtil.resolve(type, body, request.getLocale());
    } catch (Exception e) {
        log.error("database error occurred. ", e);
    }

    if (bufResponse.getLocale() != null)
        response.setLocale(bufResponse.getLocale());
    response.setContentLength(body.getBytes("utf-8").length);

    Writer out = null;
    try {
        out = new OutputStreamWriter(response.getOutputStream(), "utf-8");
        out.write(body);
        out.flush();
    } finally {
        if (out != null)
            out.close();
    }
}

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