Example usage for org.apache.http.protocol ExecutionContext HTTP_REQUEST

Introduction

In this page you can find the example usage for org.apache.http.protocol ExecutionContext HTTP_REQUEST.

Prototype

String HTTP_REQUEST

To view the source code for org.apache.http.protocol ExecutionContext HTTP_REQUEST.

Click Source Link

Usage

From source file:org.apache.abdera2.common.protocol.ClientResponseImpl.java

public String getUri() {
    HttpUriRequest currentReq = (HttpUriRequest) localContext.getAttribute(ExecutionContext.HTTP_REQUEST);
    HttpHost currentHost = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    String currentUrl = currentHost.toURI() + currentReq.getURI();
    return currentUrl;
}

---

From source file:org.callimachusproject.client.HttpClientFactoryTest.java

@Test
public void testTarget() throws Exception {
    HttpContext localContext = new BasicHttpContext();
    responses.add(new BasicHttpResponse(_200));
    client.execute(new HttpGet("http://example.com/200"), new ResponseHandler<Void>() {
        public Void handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
            assertEquals(_200.getStatusCode(), response.getStatusLine().getStatusCode());
            return null;
        }/*from w  w  w. j  a  v a 2s .  c om*/
    }, localContext);
    HttpHost host = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    HttpUriRequest req = (HttpUriRequest) localContext.getAttribute(ExecutionContext.HTTP_REQUEST);
    URI root = new URI(host.getSchemeName(), null, host.getHostName(), host.getPort(), "/", null, null);
    assertEquals("http://example.com/200", root.resolve(req.getURI()).toASCIIString());
}

---

From source file:com.senseidb.svc.impl.HttpRestSenseiServiceImpl.java

private DefaultHttpClient createHttpClient(HttpRequestRetryHandler retryHandler) {
    HttpParams params = new BasicHttpParams();
    SchemeRegistry registry = new SchemeRegistry();
    registry.register(new Scheme(_scheme, _port, PlainSocketFactory.getSocketFactory()));
    ClientConnectionManager cm = new ThreadSafeClientConnManager(registry);
    DefaultHttpClient client = new DefaultHttpClient(cm, params);
    if (retryHandler == null) {
        retryHandler = new HttpRequestRetryHandler() {
            public boolean retryRequest(IOException exception, int executionCount, HttpContext context) {
                if (executionCount >= _maxRetries) {
                    // Do not retry if over max retry count
                    return false;
                }//from   w ww.  j  a v a  2s .c o m
                if (exception instanceof NoHttpResponseException) {
                    // Retry if the server dropped connection on us
                    return true;
                }
                if (exception instanceof SSLHandshakeException) {
                    // Do not retry on SSL handshake exception
                    return false;
                }
                HttpRequest request = (HttpRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST);
                boolean idempotent = !(request instanceof HttpEntityEnclosingRequest);
                if (idempotent) {
                    // Retry if the request is considered idempotent
                    return true;
                }
                return false;
            }
        };
    }
    client.setHttpRequestRetryHandler(retryHandler);

    client.addRequestInterceptor(new HttpRequestInterceptor() {
        public void process(final HttpRequest request, final HttpContext context)
                throws HttpException, IOException {
            if (!request.containsHeader("Accept-Encoding")) {
                request.addHeader("Accept-Encoding", "gzip");
            }
        }
    });

    client.addResponseInterceptor(new HttpResponseInterceptor() {
        public void process(final HttpResponse response, final HttpContext context)
                throws HttpException, IOException {
            HttpEntity entity = response.getEntity();
            Header ceheader = entity.getContentEncoding();
            if (ceheader != null) {
                HeaderElement[] codecs = ceheader.getElements();
                for (int i = 0; i < codecs.length; i++) {
                    if (codecs[i].getName().equalsIgnoreCase("gzip")) {
                        response.setEntity(new GzipDecompressingEntity(response.getEntity()));
                        return;
                    }
                }
            }
        }
    });

    client.setKeepAliveStrategy(new DefaultConnectionKeepAliveStrategy() {
        @Override
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            // Honor 'keep-alive' header
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if ((value != null) && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }

            long keepAlive = super.getKeepAliveDuration(response, context);
            if (keepAlive == -1) {
                keepAlive = _defaultKeepAliveDurationMS;
            }
            return keepAlive;
        }
    });

    return client;
}

---

From source file:fr.ippon.wip.http.hc.HttpClientExecutor.java

private String getActualUrl(PortletRequest portletRequest, HttpContext context, RequestBuilder request,
        HttpResponse response) {//from w w w .ja v  a  2  s  . c  om
    boolean cacheUsed = (context
            .getAttribute(CachingHttpClient.CACHE_RESPONSE_STATUS) == CacheResponseStatus.CACHE_HIT);
    boolean notFoundResponse = (response.getStatusLine().getStatusCode() == HttpStatus.SC_NOT_FOUND);

    /*
     * ExecutionContext.HTTP_REQUEST and ExecutionContext.HTTP_TARGET_HOST are not set when the cache is used
     * or when the resource is ignored by WIP
     */
    if (cacheUsed || notFoundResponse)
        return request.getRequestedURL();

    // Get final URL (ie. perhaps redirected)
    HttpUriRequest actualRequest = (HttpUriRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST);
    HttpHost actualHost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    return (actualRequest.getURI().isAbsolute()) ? actualRequest.getURI().toString()
            : (actualHost.toURI() + actualRequest.getURI());
}

---

From source file:mobi.jenkinsci.ci.client.JenkinsFormAuthHttpClient.java

public static String getLatestRedirectedUrl(final HttpContext httpContext) {
    final HttpRequest request = (HttpRequest) httpContext.getAttribute(ExecutionContext.HTTP_REQUEST);
    final HttpHost host = (HttpHost) httpContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    final String requestUri = host.getSchemeName() + "://" + host.getHostName()
            + (host.getPort() <= 0 ? "" : ":" + host.getPort()) + request.getRequestLine().getUri();
    return requestUri;
}

---

From source file:wuit.crawler.CrawlerHtml.java

public String doGetHttp(String url) {
    HttpParams params = new BasicHttpParams();
    HttpConnectionParams.setConnectionTimeout(params, 12000);
    HttpConnectionParams.setSoTimeout(params, 9000);
    HttpClient httpclient = new DefaultHttpClient(params);
    String rs = "";
    try {//w  w w .  ja  va  2 s  .c  om
        HttpGet httpget = new HttpGet(url);
        System.out.println("executing request " + url);
        HttpContext httpContext = new BasicHttpContext();
        //            httpget.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)");
        httpget.addHeader("User-Agent",
                "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 1.7; .NET CLR 1.1.4322; CIBA; .NET CLR 2.0.50727)");

        HttpResponse response = httpclient.execute(httpget, httpContext);
        HttpUriRequest realRequest = (HttpUriRequest) httpContext.getAttribute(ExecutionContext.HTTP_REQUEST);
        HttpHost targetHost = (HttpHost) httpContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
        url = targetHost.toString() + realRequest.getURI();
        int resStatu = response.getStatusLine().getStatusCode();//? 
        if (resStatu == 200) {
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                rs = EntityUtils.toString(entity, "iso-8859-1");
                String in_code = getEncoding(rs);
                String encode = getHtmlEncode(rs);
                if (encode.isEmpty()) {
                    httpclient.getConnectionManager().shutdown();
                    return "";
                } else {
                    if (!in_code.toLowerCase().equals("utf-8")
                            && !in_code.toLowerCase().equals(encode.toLowerCase())) {
                        if (!in_code.toLowerCase().equals("iso-8859-1"))
                            rs = new String(rs.getBytes("iso-8859-1"), in_code);
                        if (!encode.toLowerCase().equals(in_code.toLowerCase()))
                            rs = new String(rs.getBytes(in_code), encode);
                    }
                }
                try {
                } catch (RuntimeException ex) {
                    httpget.abort();
                    throw ex;
                } finally {
                    // Closing the input stream will trigger connection release
                    //                    try { instream.close(); } catch (Exception ignore) {}
                }
            }
        }
    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
        return rs;
    }
}

---

From source file:org.callimachusproject.client.HttpClientFactoryTest.java

@Test
public void test302RedirectTarget() throws Exception {
    HttpContext localContext = new BasicHttpContext();
    HttpGet get = new HttpGet("http://example.com/302");
    get.getParams().setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, true);
    BasicHttpResponse redirect = new BasicHttpResponse(_302);
    redirect.setHeader("Location", "http://example.com/200");
    responses.add(redirect);//from  w ww  . j a va 2  s . co m
    responses.add(new BasicHttpResponse(_200));
    client.execute(get, new ResponseHandler<Void>() {
        public Void handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
            assertEquals(_200.getStatusCode(), response.getStatusLine().getStatusCode());
            return null;
        }
    }, localContext);
    HttpHost host = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    HttpUriRequest req = (HttpUriRequest) localContext.getAttribute(ExecutionContext.HTTP_REQUEST);
    URI root = new URI(host.getSchemeName(), null, host.getHostName(), host.getPort(), "/", null, null);
    assertEquals("http://example.com/200", root.resolve(req.getURI()).toASCIIString());
}

---

From source file:net.oddsoftware.android.html.HttpCache.java

private void download(CacheItem cacheItem) {
    try {/*from www .j a  v  a2  s  . com*/
        // check to see if file exist, if so check etag and last-modified
        if (cacheItem.mFilename.length() > 0) {
            File f = new File(cacheItem.mFilename);

            try {
                InputStream is = new FileInputStream(f);
                is.close();
            } catch (IOException exc) {
                // no file, nuke the cache stats
                cacheItem.mETag = "";
                cacheItem.mLastModified = 0;
            }
        } else {
            cacheItem.mFilename = mCacheDirectory + File.separator + UUID.randomUUID().toString() + ".html.gz";
        }

        HttpContext httpContext = new BasicHttpContext();
        HttpClient client = createHttpClient();
        HttpUriRequest request = createHttpRequest(cacheItem.mUrl, cacheItem.mETag, cacheItem.mLastModified);

        if (request == null || request.getURI() == null || request.getURI().getHost() == null
                || request.getURI().getHost().length() == 0) {
            if (Globals.LOGGING)
                Log.e(Globals.LOG_TAG, "unable to create http request for url " + cacheItem.mUrl);
            return; // sadness
        }

        HttpResponse response = client.execute(request, httpContext);

        StatusLine status = response.getStatusLine();
        HttpEntity entity = response.getEntity();

        if (status.getStatusCode() == 304) {
            if (Globals.LOGGING)
                Log.d(Globals.LOG_TAG, "received 304 not modified");

            cacheItem.mHitTime = new Date().getTime();

            cacheItem.update(mContentResolver);

            return;
        }

        if (status.getStatusCode() == 200) {
            InputStream inputStream = null;

            if (entity != null) {
                inputStream = entity.getContent();
            } else {
                return;
            }

            long contentLength = entity.getContentLength();

            if (contentLength > MAX_CONTENT_LENGTH) {
                if (Globals.LOGGING)
                    Log.w(Globals.LOG_TAG, "HttpCache.download item " + cacheItem.mUrl
                            + " content length is too big " + contentLength);
                return;
            }

            Header encodingHeader = entity.getContentEncoding();
            boolean encoded = false;

            if (encodingHeader != null) {
                if (encodingHeader.getValue().equalsIgnoreCase("gzip")) {
                    inputStream = new GZIPInputStream(inputStream);
                    encoded = true;
                } else if (encodingHeader.getValue().equalsIgnoreCase("deflate")) {
                    inputStream = new InflaterInputStream(inputStream);
                    encoded = true;
                }
            }

            File tmpFile = File.createTempFile("httpcache", ".html.gz.tmp", mCacheDirectory);
            OutputStream os = new GZIPOutputStream(new FileOutputStream(tmpFile));

            byte[] buffer = new byte[4096];
            int count = 0;
            long fileSize = 0;
            while ((count = inputStream.read(buffer)) != -1) {
                os.write(buffer, 0, count);
                fileSize += count;
            }
            inputStream.close();
            os.close();

            if (!encoded && contentLength > 0 && fileSize != contentLength) {
                Log.e(Globals.LOG_TAG, "HttpCache.download: content-length: " + contentLength
                        + " but file size: " + fileSize + " aborting");
                tmpFile.delete();
                return;
            }

            tmpFile.renameTo(new File(cacheItem.mFilename));

            // if the parse was ok, update these attributes
            // ETag: "6050003-78e5-4981d775e87c0"
            Header etagHeader = response.getFirstHeader("ETag");
            if (etagHeader != null) {
                if (etagHeader.getValue().length() < MAX_ETAG_LENGTH) {
                    cacheItem.mETag = etagHeader.getValue();
                } else {
                    if (Globals.LOGGING)
                        Log.e(Globals.LOG_TAG, "etag length was too big: " + etagHeader.getValue().length());
                }
            }

            // Last-Modified: Fri, 24 Dec 2010 00:57:11 GMT
            Header lastModifiedHeader = response.getFirstHeader("Last-Modified");
            if (lastModifiedHeader != null) {
                try {
                    cacheItem.mLastModified = FeedManager.parseRFC822Date(lastModifiedHeader.getValue())
                            .getTime();
                } catch (ParseException exc) {
                    if (Globals.LOGGING)
                        Log.e(Globals.LOG_TAG, "unable to parse date", exc);
                }
            }

            // Expires: Thu, 01 Dec 1994 16:00:00 GMT
            Header expiresHeader = response.getFirstHeader("Expires");
            if (expiresHeader != null) {
                try {
                    cacheItem.mExpiresAt = FeedManager.parseRFC822Date(expiresHeader.getValue()).getTime();
                } catch (ParseException exc) {
                    if (Globals.LOGGING)
                        Log.e(Globals.LOG_TAG, "unable to parse expires", exc);
                }
            }

            long now = new Date().getTime() + DEFAULT_EXPIRES;
            if (cacheItem.mExpiresAt < now) {
                cacheItem.mExpiresAt = now;
            }

            HttpUriRequest currentReq = (HttpUriRequest) httpContext
                    .getAttribute(ExecutionContext.HTTP_REQUEST);
            HttpHost currentHost = (HttpHost) httpContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
            String currentUrl = currentHost.toURI() + currentReq.getURI();

            if (Globals.LOGGING)
                Log.w(Globals.LOG_TAG,
                        "loaded redirect from " + request.getURI().toString() + " to " + currentUrl);

            cacheItem.mLastUrl = currentUrl;

            cacheItem.mHitTime = new Date().getTime();

            cacheItem.update(mContentResolver);
        }
    } catch (IOException exc) {
        if (Globals.LOGGING) {
            Log.e(Globals.LOG_TAG, "error downloading file to cache", exc);
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• »