Example usage for org.apache.http.client.methods HttpUriRequest addHeader

List of usage examples for org.apache.http.client.methods HttpUriRequest addHeader

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  6. addHeader

Introduction

In this page you can find the example usage for org.apache.http.client.methods HttpUriRequest addHeader.

Prototype

void addHeader(String str, String str2);

Source Link

Usage

From source file:com.lxh.util.http.LXH_HttpClient.java

protected void sendRequest(Context mContext, DefaultHttpClient client, HttpContext httpContext,
        HttpUriRequest uriRequest, String contentType, LXH_HttpResponseHandler responseHandler,
        Context context) {/*from   w  w w .j  a v a2s.c  o m*/
    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }

    Future<?> request = threadPool
            .submit(new LXH_HttpRequest(context, client, httpContext, uriRequest, responseHandler));
    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }
        requestList.add(new WeakReference<Future<?>>(request));
        // TODO: Remove dead weakrefs from requestLists?
    }

}

From source file:com.nutsuser.ridersdomain.http.AsyncHttpClient.java

/**
 * Puts a new request in queue as a new thread in pool to be executed
 *
 * @param client          HttpClient to be used for request, can differ in single requests
 * @param contentType     MIME body type, for POST and PUT requests, may be null
 * @param context         Context of Android application, to hold the reference of request
 * @param httpContext     HttpContext in which the request will be executed
 * @param responseHandler ResponseHandler or its subclass to put the response into
 * @param uriRequest      instance of HttpUriRequest, which means it must be of HttpDelete, HttpPost, HttpGet, HttpPut, etc.
 *///from ww w.j a va 2  s.  com
protected RequestHandle sendRequest(DefaultHttpClient client, HttpContext httpContext,
        HttpUriRequest uriRequest, String contentType, AsyncHttpResponseHandler responseHandler,
        Context context) {

    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }

    Future<?> request = threadPool
            .submit(new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler));

    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }

    return new RequestHandle(request);
}

From source file:com.mike.aframe.http.KJHttp.java

/**
 * ??//w w w .j  a v a2 s.c  om
 * 
 * @param client
 *            httpClient
 * @param callback
 *            Http?
 * @param context
 */
protected void sendRequest(DefaultHttpClient client, HttpContext httpContext, HttpUriRequest uriRequest,
        String contentType, HttpCallBack callback, Context context) {
    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }
    Future<?> request = threadPool.submit(new AsyncHttpRequest(client, httpContext, uriRequest, callback));
    if (context != null) {
        // 
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }
        requestList.add(new WeakReference<Future<?>>(request));
    }
}

From source file:org.fao.geonet.api.records.formatters.FormatterApi.java

private String getXmlFromUrl(ServiceContext context, String lang, String url, WebRequest request)
        throws IOException, URISyntaxException {
    String adjustedUrl = url;/*from   w  w  w .ja  v a 2 s. c o  m*/
    if (!url.startsWith("http")) {
        adjustedUrl = context.getBean(SettingManager.class).getSiteURL(lang) + url;
    } else {
        final URI uri = new URI(url);
        Set allowedRemoteHosts = context.getApplicationContext().getBean("formatterRemoteFormatAllowedHosts",
                Set.class);
        Assert.isTrue(allowedRemoteHosts.contains(uri.getHost()),
                "xml.format is not allowed to make requests to " + uri.getHost());
    }

    HttpUriRequest getXmlRequest = new HttpGet(adjustedUrl);
    final Iterator<String> headerNames = request.getHeaderNames();
    while (headerNames.hasNext()) {
        String headerName = headerNames.next();
        final String[] headers = request.getHeaderValues(headerName);
        for (String header : headers) {
            getXmlRequest.addHeader(headerName, header);
        }
    }

    GeonetHttpRequestFactory requestFactory = context.getBean(GeonetHttpRequestFactory.class);
    final ClientHttpResponse execute = requestFactory.execute(getXmlRequest);
    if (execute.getRawStatusCode() != 200) {
        throw new IllegalArgumentException("Request " + adjustedUrl + " did not succeed.  Response Status: "
                + execute.getStatusCode() + ", status text: " + execute.getStatusText());
    }
    return new String(ByteStreams.toByteArray(execute.getBody()), Constants.CHARSET);
}

From source file:org.dasein.cloud.azure.AzureMethod.java

public @Nullable InputStream getAsStream(@Nonnull String account, @Nonnull String resource)
        throws CloudException, InternalException {
    if (logger.isTraceEnabled()) {
        logger.trace("enter - " + AzureMethod.class.getName() + ".get(" + account + "," + resource + ")");
    }/* w w w .ja va  2 s  .c o  m*/
    if (wire.isDebugEnabled()) {
        wire.debug(
                "--------------------------------------------------------> " + endpoint + account + resource);
        wire.debug("");
    }
    try {
        HttpClient client = getClient();
        HttpUriRequest get = new HttpGet(endpoint + account + resource);

        //get.addHeader("Content-Type", "application/xml");
        get.addHeader("x-ms-version", "2012-03-01");
        if (wire.isDebugEnabled()) {
            wire.debug(get.getRequestLine().toString());
            for (Header header : get.getAllHeaders()) {
                wire.debug(header.getName() + ": " + header.getValue());
            }
            wire.debug("");
        }
        HttpResponse response;
        StatusLine status;

        try {
            response = client.execute(get);
            status = response.getStatusLine();
        } catch (IOException e) {
            logger.error("get(): Failed to execute HTTP request due to a cloud I/O error: " + e.getMessage());
            e.printStackTrace();
            throw new CloudException(e);
        }
        if (logger.isDebugEnabled()) {
            logger.debug("get(): HTTP Status " + status);
        }
        Header[] headers = response.getAllHeaders();

        if (wire.isDebugEnabled()) {
            wire.debug(status.toString());
            for (Header h : headers) {
                if (h.getValue() != null) {
                    wire.debug(h.getName() + ": " + h.getValue().trim());
                } else {
                    wire.debug(h.getName() + ":");
                }
            }
            wire.debug("");
        }
        if (status.getStatusCode() == HttpServletResponse.SC_NOT_FOUND) {
            return null;
        }
        if (status.getStatusCode() != HttpServletResponse.SC_OK
                && status.getStatusCode() != HttpServletResponse.SC_NON_AUTHORITATIVE_INFORMATION) {
            logger.error("get(): Expected OK for GET request, got " + status.getStatusCode());

            HttpEntity entity = response.getEntity();
            String body;

            if (entity == null) {
                throw new AzureException(CloudErrorType.GENERAL, status.getStatusCode(),
                        status.getReasonPhrase(), "An error was returned without explanation");
            }
            try {
                body = EntityUtils.toString(entity);
            } catch (IOException e) {
                throw new AzureException(CloudErrorType.GENERAL, status.getStatusCode(),
                        status.getReasonPhrase(), e.getMessage());
            }
            if (wire.isDebugEnabled()) {
                wire.debug(body);
            }
            wire.debug("");
            AzureException.ExceptionItems items = AzureException.parseException(status.getStatusCode(), body);

            if (items == null) {
                return null;
            }
            logger.error("get(): [" + status.getStatusCode() + " : " + items.message + "] " + items.details);
            throw new AzureException(items);
        } else {
            HttpEntity entity = response.getEntity();

            if (entity == null) {
                return null;
            }
            InputStream input;

            try {
                input = entity.getContent();
            } catch (IOException e) {
                logger.error(
                        "get(): Failed to read response error due to a cloud I/O error: " + e.getMessage());
                e.printStackTrace();
                throw new CloudException(e);
            }
            if (wire.isDebugEnabled()) {
                wire.debug("---> Binary Data <---");
            }
            wire.debug("");
            return input;
        }
    } finally {
        if (logger.isTraceEnabled()) {
            logger.trace("exit - " + AzureMethod.class.getName() + ".getStream()");
        }
        if (wire.isDebugEnabled()) {
            wire.debug("");
            wire.debug("--------------------------------------------------------> " + endpoint + account
                    + resource);
        }
    }
}

From source file:cn.rongcloud.im.server.network.http.AsyncHttpClient.java

/**
 * Puts a new request in queue as a new thread in pool to be executed
 *
 * @param client          HttpClient to be used for request, can differ in single requests
 * @param contentType     MIME body type, for POST and PUT requests, may be null
 * @param context         Context of Android application, to hold the reference of request
 * @param httpContext     HttpContext in which the request will be executed
 * @param responseHandler ResponseHandler or its subclass to put the response into
 * @param uriRequest      instance of HttpUriRequest, which means it must be of HttpDelete,
 *                        HttpPost, HttpGet, HttpPut, etc.
 * @return RequestHandle of future request process
 *//*  www . j a  va2  s  . c om*/
protected RequestHandle sendRequest(DefaultHttpClient client, HttpContext httpContext,
        HttpUriRequest uriRequest, String contentType, ResponseHandlerInterface responseHandler,
        Context context) {
    if (contentType != null) {
        uriRequest.addHeader("Content-Type", contentType);
    }

    responseHandler.setRequestHeaders(uriRequest.getAllHeaders());
    responseHandler.setRequestURI(uriRequest.getURI());

    Future<?> request = threadPool
            .submit(new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler));

    if (context != null) {
        // Add request to request map
        List<WeakReference<Future<?>>> requestList = requestMap.get(context);
        if (requestList == null) {
            requestList = new LinkedList<WeakReference<Future<?>>>();
            requestMap.put(context, requestList);
        }

        requestList.add(new WeakReference<Future<?>>(request));

        // TODO: Remove dead weakrefs from requestLists?
    }

    return new RequestHandle(request);
}

From source file:org.dasein.cloud.azure.AzureMethod.java

public @Nullable Document getAsXML(@Nonnull String account, @Nonnull URI uri)
        throws CloudException, InternalException {
    if (logger.isTraceEnabled()) {
        logger.trace("enter - " + AzureMethod.class.getName() + ".get(" + account + "," + uri + ")");
    }/*from  w w  w.  j av  a  2 s. c  om*/
    if (wire.isDebugEnabled()) {
        wire.debug("--------------------------------------------------------> " + uri.toASCIIString());
        wire.debug("");
    }
    try {
        HttpClient client = getClient();
        HttpUriRequest get = new HttpGet(uri);

        //get.addHeader("Content-Type", "application/xml");
        if (uri.toString().indexOf("/services/images") > -1) {
            get.addHeader("x-ms-version", "2012-08-01");
        } else {
            get.addHeader("x-ms-version", "2012-03-01");
        }
        if (wire.isDebugEnabled()) {
            wire.debug(get.getRequestLine().toString());
            for (Header header : get.getAllHeaders()) {
                wire.debug(header.getName() + ": " + header.getValue());
            }
            wire.debug("");
        }
        HttpResponse response;
        StatusLine status;

        try {
            response = client.execute(get);
            status = response.getStatusLine();
        } catch (IOException e) {
            logger.error("get(): Failed to execute HTTP request due to a cloud I/O error: " + e.getMessage());
            if (logger.isTraceEnabled()) {
                e.printStackTrace();
            }
            throw new CloudException(e);
        }
        if (logger.isDebugEnabled()) {
            logger.debug("get(): HTTP Status " + status);
        }
        Header[] headers = response.getAllHeaders();

        if (wire.isDebugEnabled()) {
            wire.debug(status.toString());
            for (Header h : headers) {
                if (h.getValue() != null) {
                    wire.debug(h.getName() + ": " + h.getValue().trim());
                } else {
                    wire.debug(h.getName() + ":");
                }
            }
            wire.debug("");
        }
        if (status.getStatusCode() == HttpServletResponse.SC_NOT_FOUND) {
            return null;
        }
        if (status.getStatusCode() != HttpServletResponse.SC_OK
                && status.getStatusCode() != HttpServletResponse.SC_NON_AUTHORITATIVE_INFORMATION) {
            logger.error("get(): Expected OK for GET request, got " + status.getStatusCode());

            HttpEntity entity = response.getEntity();
            String body;

            if (entity == null) {
                throw new AzureException(CloudErrorType.GENERAL, status.getStatusCode(),
                        status.getReasonPhrase(), "An error was returned without explanation");
            }
            try {
                body = EntityUtils.toString(entity);
            } catch (IOException e) {
                throw new AzureException(CloudErrorType.GENERAL, status.getStatusCode(),
                        status.getReasonPhrase(), e.getMessage());
            }
            if (wire.isDebugEnabled()) {
                wire.debug(body);
            }
            wire.debug("");
            AzureException.ExceptionItems items = AzureException.parseException(status.getStatusCode(), body);

            if (items == null) {
                return null;
            }
            logger.error("get(): [" + status.getStatusCode() + " : " + items.message + "] " + items.details);
            throw new AzureException(items);
        } else {
            HttpEntity entity = response.getEntity();

            if (entity == null) {
                return null;
            }
            InputStream input;

            try {
                input = entity.getContent();
            } catch (IOException e) {
                logger.error(
                        "get(): Failed to read response error due to a cloud I/O error: " + e.getMessage());
                if (logger.isTraceEnabled()) {
                    e.printStackTrace();
                }
                throw new CloudException(e);
            }
            return parseResponse(input, true);
        }
    } finally {
        if (logger.isTraceEnabled()) {
            logger.trace("exit - " + AzureMethod.class.getName() + ".getStream()");
        }
        if (wire.isDebugEnabled()) {
            wire.debug("");
            wire.debug("--------------------------------------------------------> " + uri.toASCIIString());
        }
    }
}

From source file:com.fujitsu.dc.core.rs.box.DcEngineSvcCollectionResource.java

/**
 * relay??./*from   w  w w.jav a2 s  .com*/
 * @param method 
 * @param uriInfo URI
 * @param path ??
 * @param headers 
 * @param is 
 * @return JAX-RS Response
 */
public Response relaycommon(String method, UriInfo uriInfo, String path, HttpHeaders headers, InputStream is) {

    String cellName = this.davRsCmp.getCell().getName();
    String boxName = this.davRsCmp.getBox().getName();
    String requestUrl = String.format("http://%s:%s/%s/%s/%s/service/%s", DcCoreConfig.getEngineHost(),
            DcCoreConfig.getEnginePort(), DcCoreConfig.getEnginePath(), cellName, boxName, path);

    // baseUrl?
    String baseUrl = uriInfo.getBaseUri().toString();

    // ???
    HttpClient client = new DefaultHttpClient();
    HttpUriRequest req = null;
    if (method.equals(HttpMethod.POST)) {
        HttpPost post = new HttpPost(requestUrl);
        InputStreamEntity ise = new InputStreamEntity(is, -1);
        ise.setChunked(true);
        post.setEntity(ise);
        req = post;
    } else if (method.equals(HttpMethod.PUT)) {
        HttpPut put = new HttpPut(requestUrl);
        InputStreamEntity ise = new InputStreamEntity(is, -1);
        ise.setChunked(true);
        put.setEntity(ise);
        req = put;
    } else if (method.equals(HttpMethod.DELETE)) {
        HttpDelete delete = new HttpDelete(requestUrl);
        req = delete;
    } else {
        HttpGet get = new HttpGet(requestUrl);
        req = get;
    }

    req.addHeader("X-Baseurl", baseUrl);
    req.addHeader("X-Request-Uri", uriInfo.getRequestUri().toString());
    // ?INDEXIDTYPE?
    if (davCmp instanceof DavCmpEsImpl) {
        DavCmpEsImpl test = (DavCmpEsImpl) davCmp;
        req.addHeader("X-Dc-Es-Index", test.getEsColType().getIndex().getName());
        req.addHeader("X-Dc-Es-Id", test.getNodeId());
        req.addHeader("X-Dc-Es-Type", test.getEsColType().getType());
        req.addHeader("X-Dc-Es-Routing-Id", this.davRsCmp.getCell().getId());
        req.addHeader("X-Dc-Box-Schema", this.davRsCmp.getBox().getSchema());
    }

    // ???
    MultivaluedMap<String, String> multivalueHeaders = headers.getRequestHeaders();
    for (Iterator<Entry<String, List<String>>> it = multivalueHeaders.entrySet().iterator(); it.hasNext();) {
        Entry<String, List<String>> entry = it.next();
        String key = (String) entry.getKey();
        if (key.equalsIgnoreCase(HttpHeaders.CONTENT_LENGTH)) {
            continue;
        }
        List<String> valueList = (List<String>) entry.getValue();
        for (Iterator<String> i = valueList.iterator(); i.hasNext();) {
            String value = (String) i.next();
            req.setHeader(key, value);
        }
    }

    if (log.isDebugEnabled()) {
        log.debug("?EngineRelay " + req.getMethod() + "  " + req.getURI());
        Header[] reqHeaders = req.getAllHeaders();
        for (int i = 0; i < reqHeaders.length; i++) {
            log.debug("RelayHeader[" + reqHeaders[i].getName() + "] : " + reqHeaders[i].getValue());
        }
    }

    // Engine??
    HttpResponse objResponse = null;
    try {
        objResponse = client.execute(req);
    } catch (ClientProtocolException e) {
        throw DcCoreException.ServiceCollection.SC_INVALID_HTTP_RESPONSE_ERROR;
    } catch (Exception ioe) {
        throw DcCoreException.ServiceCollection.SC_ENGINE_CONNECTION_ERROR.reason(ioe);
    }

    // 
    ResponseBuilder res = Response.status(objResponse.getStatusLine().getStatusCode());
    Header[] headersResEngine = objResponse.getAllHeaders();
    // ?
    for (int i = 0; i < headersResEngine.length; i++) {
        // Engine????Transfer-Encoding????
        // ?MW????????Content-Length???Transfer-Encoding????
        // 2??????????????????????
        if ("Transfer-Encoding".equalsIgnoreCase(headersResEngine[i].getName())) {
            continue;
        }
        // Engine????Date????
        // Web??MW?Jetty???2?????????
        if (HttpHeaders.DATE.equalsIgnoreCase(headersResEngine[i].getName())) {
            continue;
        }
        res.header(headersResEngine[i].getName(), headersResEngine[i].getValue());
    }

    InputStream isResBody = null;

    // ?
    HttpEntity entity = objResponse.getEntity();
    if (entity != null) {
        try {
            isResBody = entity.getContent();
        } catch (IllegalStateException e) {
            throw DcCoreException.ServiceCollection.SC_UNKNOWN_ERROR.reason(e);
        } catch (IOException e) {
            throw DcCoreException.ServiceCollection.SC_ENGINE_CONNECTION_ERROR.reason(e);
        }
        final InputStream isInvariable = isResBody;
        // ??
        StreamingOutput strOutput = new StreamingOutput() {
            @Override
            public void write(final OutputStream os) throws IOException {
                int chr;
                try {
                    while ((chr = isInvariable.read()) != -1) {
                        os.write(chr);
                    }
                } finally {
                    isInvariable.close();
                }
            }
        };
        res.entity(strOutput);
    }

    // ??
    return res.build();
}

From source file:io.personium.core.rs.box.PersoniumEngineSvcCollectionResource.java

/**
 * relay??./*from   ww w .  ja  v  a2s  .c  om*/
 * @param method 
 * @param uriInfo URI
 * @param path ??
 * @param headers 
 * @param is 
 * @return JAX-RS Response
 */
public Response relaycommon(String method, UriInfo uriInfo, String path, HttpHeaders headers, InputStream is) {

    String cellName = this.davRsCmp.getCell().getName();
    String boxName = this.davRsCmp.getBox().getName();
    String requestUrl = String.format("http://%s:%s/%s/%s/%s/service/%s", PersoniumUnitConfig.getEngineHost(),
            PersoniumUnitConfig.getEnginePort(), PersoniumUnitConfig.getEnginePath(), cellName, boxName, path);

    // baseUrl?
    String baseUrl = uriInfo.getBaseUri().toString();

    // ???
    HttpClient client = new DefaultHttpClient();
    HttpUriRequest req = null;
    if (method.equals(HttpMethod.POST)) {
        HttpPost post = new HttpPost(requestUrl);
        InputStreamEntity ise = new InputStreamEntity(is, -1);
        ise.setChunked(true);
        post.setEntity(ise);
        req = post;
    } else if (method.equals(HttpMethod.PUT)) {
        HttpPut put = new HttpPut(requestUrl);
        InputStreamEntity ise = new InputStreamEntity(is, -1);
        ise.setChunked(true);
        put.setEntity(ise);
        req = put;
    } else if (method.equals(HttpMethod.DELETE)) {
        HttpDelete delete = new HttpDelete(requestUrl);
        req = delete;
    } else {
        HttpGet get = new HttpGet(requestUrl);
        req = get;
    }

    req.addHeader("X-Baseurl", baseUrl);
    req.addHeader("X-Request-Uri", uriInfo.getRequestUri().toString());
    if (davCmp instanceof DavCmpFsImpl) {
        DavCmpFsImpl dcmp = (DavCmpFsImpl) davCmp;
        req.addHeader("X-Personium-Fs-Path", dcmp.getFsPath());
        req.addHeader("X-Personium-Fs-Routing-Id", dcmp.getCellId());
    }
    req.addHeader("X-Personium-Box-Schema", this.davRsCmp.getBox().getSchema());

    // ???
    MultivaluedMap<String, String> multivalueHeaders = headers.getRequestHeaders();
    for (Iterator<Entry<String, List<String>>> it = multivalueHeaders.entrySet().iterator(); it.hasNext();) {
        Entry<String, List<String>> entry = it.next();
        String key = (String) entry.getKey();
        if (key.equalsIgnoreCase(HttpHeaders.CONTENT_LENGTH)) {
            continue;
        }
        List<String> valueList = (List<String>) entry.getValue();
        for (Iterator<String> i = valueList.iterator(); i.hasNext();) {
            String value = (String) i.next();
            req.setHeader(key, value);
        }
    }

    if (log.isDebugEnabled()) {
        log.debug("?EngineRelay " + req.getMethod() + "  " + req.getURI());
        Header[] reqHeaders = req.getAllHeaders();
        for (int i = 0; i < reqHeaders.length; i++) {
            log.debug("RelayHeader[" + reqHeaders[i].getName() + "] : " + reqHeaders[i].getValue());
        }
    }

    // Engine??
    HttpResponse objResponse = null;
    try {
        objResponse = client.execute(req);
    } catch (ClientProtocolException e) {
        throw PersoniumCoreException.ServiceCollection.SC_INVALID_HTTP_RESPONSE_ERROR;
    } catch (Exception ioe) {
        throw PersoniumCoreException.ServiceCollection.SC_ENGINE_CONNECTION_ERROR.reason(ioe);
    }

    // 
    ResponseBuilder res = Response.status(objResponse.getStatusLine().getStatusCode());
    Header[] headersResEngine = objResponse.getAllHeaders();
    // ?
    for (int i = 0; i < headersResEngine.length; i++) {
        // Engine????Transfer-Encoding????
        // ?MW????????Content-Length???Transfer-Encoding????
        // 2??????????????????????
        if ("Transfer-Encoding".equalsIgnoreCase(headersResEngine[i].getName())) {
            continue;
        }
        // Engine????Date????
        // Web??MW?Jetty???2?????????
        if (HttpHeaders.DATE.equalsIgnoreCase(headersResEngine[i].getName())) {
            continue;
        }
        res.header(headersResEngine[i].getName(), headersResEngine[i].getValue());
    }

    InputStream isResBody = null;

    // ?
    HttpEntity entity = objResponse.getEntity();
    if (entity != null) {
        try {
            isResBody = entity.getContent();
        } catch (IllegalStateException e) {
            throw PersoniumCoreException.ServiceCollection.SC_UNKNOWN_ERROR.reason(e);
        } catch (IOException e) {
            throw PersoniumCoreException.ServiceCollection.SC_ENGINE_CONNECTION_ERROR.reason(e);
        }
        final InputStream isInvariable = isResBody;
        // ??
        StreamingOutput strOutput = new StreamingOutput() {
            @Override
            public void write(final OutputStream os) throws IOException {
                int chr;
                try {
                    while ((chr = isInvariable.read()) != -1) {
                        os.write(chr);
                    }
                } finally {
                    isInvariable.close();
                }
            }
        };
        res.entity(strOutput);
    }

    // ??
    return res.build();
}