Example usage for javax.servlet.http HttpServletResponse addHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse addHeader.

Prototype

public void addHeader(String name, String value);

Source Link

Document

Adds a response header with the given name and value.

Usage

From source file:com.ewcms.component.comment.web.CounterServlet.java

private void initResponseHeader(final HttpServletResponse response, final String encoding) {
    response.setHeader("Content-Language", "zh-CN");
    String fullContentType = JSON_TYPE + ";charset=" + encoding;
    response.setContentType(fullContentType);
    //set on cache
    ///Http 1.0 header
    response.setDateHeader("Expires", 0);
    response.addHeader("Pragma", "no-cache");
    //Http 1.1 header
    response.setHeader("Cache-Control", "no-cache");
}

From source file:org.overlord.apiman.gateway.http.HTTPGateway.java

/** Copy proxied response headers back to the servlet client. */
protected void copyResponseHeaders(Response proxyResponse, HttpServletResponse servletResponse) {
    for (int i = 0; i < proxyResponse.getHeaders().size(); i++) {
        org.overlord.apiman.NameValuePair nvp = proxyResponse.getHeaders().get(i);

        if (hopByHopHeaders.containsHeader(nvp.getName())) {
            continue;
        }//  ww  w  . j  a v a2 s  .co  m

        servletResponse.addHeader(nvp.getName(), (String) nvp.getValue());
    }
}

From source file:org.eclipse.jgit.lfs.server.fs.ObjectDownloadListener.java

/**
 * @param repository//from w  w  w . j  av a  2 s.  c o  m
 *            the repository storing large objects
 * @param context
 *            the servlet asynchronous context
 * @param response
 *            the servlet response
 * @param id
 *            id of the object to be downloaded
 * @throws IOException
 */
public ObjectDownloadListener(FileLfsRepository repository, AsyncContext context, HttpServletResponse response,
        AnyLongObjectId id) throws IOException {
    this.context = context;
    this.response = response;
    this.in = repository.getReadChannel(id);
    this.out = response.getOutputStream();
    this.outChannel = Channels.newChannel(out);

    response.addHeader(HttpSupport.HDR_CONTENT_LENGTH, String.valueOf(repository.getSize(id)));
    response.setContentType(Constants.HDR_APPLICATION_OCTET_STREAM);
}

From source file:com.ecs.cms.web.mvc.view.MappingJacksonJsonView.java

@Override
protected void prepareResponse(HttpServletRequest request, HttpServletResponse response) {
    response.setContentType(getContentType());
    response.setCharacterEncoding(this.encoding.getJavaName());
    if (this.disableCaching) {
        response.addHeader("Pragma", "no-cache");
        response.addHeader("Cache-Control", "no-cache, no-store, max-age=0");
        response.addDateHeader("Expires", 1L);
    }//from ww w. j  ava 2  s. co m
}

From source file:com.ewcms.component.counter.web.CounterServlet.java

private void initResponseHeader(final HttpServletResponse response, final String encoding) {
    response.setHeader("Content-Language", "zh-CN");
    String fullContentType = JS_TYPE + ";charset=" + encoding;
    response.setContentType(fullContentType);
    //set on cache
    ///Http 1.0 header
    response.setDateHeader("Expires", 0);
    response.addHeader("Pragma", "no-cache");
    //Http 1.1 header
    response.setHeader("Cache-Control", "no-cache");
}

From source file:com.sample.JavaHTTPResource.java

public void execute(HttpHost host, HttpUriRequest req, HttpServletResponse resultResponse)
        throws IOException, IllegalStateException, SAXException {
    HttpResponse RSSResponse = client.execute(host, req);
    ServletOutputStream os = resultResponse.getOutputStream();
    if (RSSResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
        resultResponse.addHeader("Content-Type", "application/json");
        //String json = IOUtils.toString(RSSResponse.getEntity().getContent());
        InputStream in = RSSResponse.getEntity().getContent();
        StringBuilder sb = new StringBuilder();
        BufferedReader br = new BufferedReader(new InputStreamReader(in));
        String read;/*from  w w  w.  ja v a2  s.  c om*/

        while ((read = br.readLine()) != null) {
            //System.out.println(read);
            sb.append(read);
        }

        br.close();
        os.write(sb.toString().getBytes(Charset.forName("UTF-8")));

    } else {
        resultResponse.setStatus(RSSResponse.getStatusLine().getStatusCode());
        RSSResponse.getEntity().getContent().close();
        os.write(RSSResponse.getStatusLine().getReasonPhrase().getBytes());
    }
    os.flush();
    os.close();
}

From source file:com.google.nigori.server.NigoriServlet.java

/**
 * Enable cors: http://enable-cors.org/server.html to allow access from javascript/dart clients
 * using code from a different domain//  w  ww .  ja v  a 2 s  .c o m
 * 
 * @param resp the response to add the headers to
 */
private void addCorsHeaders(HttpServletResponse resp) {
    resp.addHeader("Access-Control-Allow-Origin", "*");
    resp.addHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS");
    resp.addHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
}

From source file:de.yaio.services.plantuml.server.controller.PlantumProvider.java

protected void addHeaderForCache(HttpServletResponse response) {
    long today = System.currentTimeMillis();
    // Add http headers to force the browser to cache the image
    response.addDateHeader("Expires", today + 31536000000L);
    // today + 1 year
    response.addDateHeader("Last-Modified", 1261440000000L);
    // 2009 dec 22 constant date in the past
    response.addHeader("Cache-Control", "public");
}

From source file:org.jetbrains.webdemo.handlers.ServerHandler.java

private void writeResponse(HttpServletRequest request, HttpServletResponse response, String responseBody,
        int statusCode) {
    try {//from  www  .  j  a  v  a 2 s . c  om
        response.addHeader("Cache-Control", "no-cache");
        response.setCharacterEncoding("UTF-8");
        response.setStatus(statusCode);
        if (!responseBody.equals("")) {
            try (PrintWriter writer = response.getWriter()) {
                writer.write(responseBody);
            }
        }
    } catch (IOException e) {
        //This is an exception we can't send data to client
        ErrorWriter.ERROR_WRITER.writeExceptionToExceptionAnalyzer(e, "UNKNOWN", request.getHeader("Origin"),
                "null");
    }
}

From source file:com.vmware.identity.openidconnect.protocol.HttpResponse.java

public void applyTo(HttpServletResponse httpServletResponse) throws IOException {
    Validate.notNull(httpServletResponse, "httpServletResponse");

    for (Cookie cookie : this.cookies) {
        httpServletResponse.addCookie(cookie);
    }/* w w  w.j a  va  2 s . c om*/

    for (Header header : this.headers) {
        httpServletResponse.addHeader(header.getName(), header.getValue());
    }

    if (this.errorObject != null) {
        httpServletResponse.sendError(this.errorObject.getStatusCode().getValue(),
                this.errorObject.getErrorCode().getValue() + ": " + this.errorObject.getDescription());
    } else if (this.redirectTarget != null) {
        httpServletResponse.sendRedirect(this.redirectTarget.toString());
    } else if (this.htmlContent != null) {
        httpServletResponse.setStatus(this.statusCode.getValue());
        httpServletResponse.setHeader("Cache-Control", "no-cache, no-store");
        httpServletResponse.setHeader("Pragma", "no-cache");
        httpServletResponse.setContentType("text/html;charset=UTF-8");
        PrintWriter writer = httpServletResponse.getWriter();
        writer.print(this.htmlContent);
        writer.close();
    } else if (this.jsonContent != null) {
        httpServletResponse.setStatus(this.statusCode.getValue());
        httpServletResponse.setHeader("Cache-Control", "no-store");
        httpServletResponse.setHeader("Pragma", "no-cache");
        httpServletResponse.setContentType("application/json;charset=UTF-8");
        PrintWriter writer = httpServletResponse.getWriter();
        writer.print(this.jsonContent.toString());
        writer.close();
    } else {
        throw new IllegalStateException("unexpected");
    }
}