Examples of org.apache.http.impl.client.SystemDefaultHttpClient

org.apache.http.impl.client.SystemDefaultHttpClient
An extension of {@link DefaultHttpClient} pre-configured using system properties.
The following system properties are taken into account by this class:
- ssl.TrustManagerFactory.algorithm
- javax.net.ssl.trustStoreType
- javax.net.ssl.trustStore
- javax.net.ssl.trustStoreProvider
- javax.net.ssl.trustStorePassword
- java.home
- ssl.KeyManagerFactory.algorithm
- javax.net.ssl.keyStoreType
- javax.net.ssl.keyStore
- javax.net.ssl.keyStoreProvider
- javax.net.ssl.keyStorePassword
- http.proxyHost
- http.proxyPort
- http.nonProxyHosts
- http.keepAlive
- http.maxConnections
The following parameters can be used to customize the behavior of this class:
- {@link org.apache.http.params.CoreProtocolPNames#PROTOCOL_VERSION}
- {@link org.apache.http.params.CoreProtocolPNames#STRICT_TRANSFER_ENCODING}
- {@link org.apache.http.params.CoreProtocolPNames#HTTP_ELEMENT_CHARSET}
- {@link org.apache.http.params.CoreProtocolPNames#USE_EXPECT_CONTINUE}
- {@link org.apache.http.params.CoreProtocolPNames#WAIT_FOR_CONTINUE}
- {@link org.apache.http.params.CoreProtocolPNames#USER_AGENT}
- {@link org.apache.http.params.CoreConnectionPNames#TCP_NODELAY}
- {@link org.apache.http.params.CoreConnectionPNames#SO_TIMEOUT}
- {@link org.apache.http.params.CoreConnectionPNames#SO_LINGER}
- {@link org.apache.http.params.CoreConnectionPNames#SO_REUSEADDR}
- {@link org.apache.http.params.CoreConnectionPNames#SOCKET_BUFFER_SIZE}
- {@link org.apache.http.params.CoreConnectionPNames#CONNECTION_TIMEOUT}
- {@link org.apache.http.params.CoreConnectionPNames#MAX_LINE_LENGTH}
- {@link org.apache.http.params.CoreConnectionPNames#MAX_HEADER_COUNT}
- {@link org.apache.http.params.CoreConnectionPNames#STALE_CONNECTION_CHECK}
- {@link org.apache.http.conn.params.ConnRoutePNames#FORCED_ROUTE}
- {@link org.apache.http.conn.params.ConnRoutePNames#LOCAL_ADDRESS}
- {@link org.apache.http.conn.params.ConnRoutePNames#DEFAULT_PROXY}
- {@link org.apache.http.cookie.params.CookieSpecPNames#DATE_PATTERNS}
- {@link org.apache.http.cookie.params.CookieSpecPNames#SINGLE_COOKIE_HEADER}
- {@link org.apache.http.auth.params.AuthPNames#CREDENTIAL_CHARSET}
- {@link org.apache.http.client.params.ClientPNames#COOKIE_POLICY}
- {@link org.apache.http.client.params.ClientPNames#HANDLE_AUTHENTICATION}
- {@link org.apache.http.client.params.ClientPNames#HANDLE_REDIRECTS}
- {@link org.apache.http.client.params.ClientPNames#MAX_REDIRECTS}
- {@link org.apache.http.client.params.ClientPNames#ALLOW_CIRCULAR_REDIRECTS}
- {@link org.apache.http.client.params.ClientPNames#VIRTUAL_HOST}
- {@link org.apache.http.client.params.ClientPNames#DEFAULT_HOST}
- {@link org.apache.http.client.params.ClientPNames#DEFAULT_HEADERS}
- {@link org.apache.http.client.params.ClientPNames#CONN_MANAGER_TIMEOUT}
@since 4.2


    /** Simple GET - no content negotiation */
    public static String execHttpGet(String url, HttpContext httpContext)
    {
        HttpUriRequest httpGet = new HttpGet(url) ;
        DefaultHttpClient httpclient = new SystemDefaultHttpClient() ;
        applyAuthentication(httpclient, url, httpContext);
        try {
            HttpResponse response = httpclient.execute(httpGet) ;
            int responseCode = response.getStatusLine().getStatusCode() ;
            String responseMessage = response.getStatusLine().getReasonPhrase() ;
            if ( 200 != responseCode )
                throw JenaHttpException.create(responseCode, responseMessage) ;    
            HttpEntity entity = response.getEntity() ;

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            if ( provider.getContentType() == null )
                log.debug(format("[%d] No content type")) ;


            // Execute
            DefaultHttpClient httpclient = new SystemDefaultHttpClient();
            applyAuthentication(httpclient, url, context);
            httppost.setEntity(provider) ;
            HttpResponse response = httpclient.execute(httppost, context) ;
            httpResponse(id, response, baseIRI, handlers) ;
            
            httpclient.getConnectionManager().shutdown(); 
        } catch (IOException ex) { IO.exception(ex) ; }
        finally { closeEntity(provider) ; }
    }

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            HttpPost httppost = new HttpPost(requestURI);
            httppost.setEntity(convertFormParams(params));
            if ( log.isDebugEnabled() )
                log.debug(format("[%d] %s %s",id ,httppost.getMethod(),httppost.getURI().toString())) ;


            DefaultHttpClient httpclient = new SystemDefaultHttpClient();
            applyAuthentication(httpclient, url, httpContext);
            HttpResponse response = httpclient.execute(httppost, httpContext) ;
            httpResponse(id, response, baseIRI, handlers) ;
            httpclient.getConnectionManager().shutdown(); 
        } catch (IOException ex) { IO.exception(ex) ; }
    }

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            HttpPut httpput = new HttpPut(requestURI);
            if ( log.isDebugEnabled() )
                log.debug(format("[%d] %s %s",id , httpput.getMethod(), httpput.getURI().toString())) ;
            
            httpput.setEntity(entity) ;
            DefaultHttpClient httpclient = new SystemDefaultHttpClient();
            applyAuthentication(httpclient, url, httpContext);
            HttpResponse response = httpclient.execute(httpput) ;
            httpResponse(id, response, baseIRI, null) ;
            httpclient.getConnectionManager().shutdown(); 
        } catch (IOException ex) { IO.exception(ex) ; }
    }

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        return h.getValue() ;
    }


    private Graph exec(String targetStr, Graph graphToSend, HttpUriRequest httpRequest, boolean processBody)
    {
        HttpClient httpclient = new SystemDefaultHttpClient(httpParams) ;
        
        if ( graphToSend != null )
        {
            // ??? httpRequest isa Post
            // Impedence mismatch - is there a better way?
            ByteArrayOutputStream out = new ByteArrayOutputStream() ;
            Model model = ModelFactory.createModelForGraph(graphToSend) ;
            model.write(out, "RDF/XML") ;
            byte[] bytes = out.toByteArray() ;
            ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()) ;
            InputStreamEntity reqEntity = new InputStreamEntity(in, bytes.length) ;
            reqEntity.setContentType(WebContent.contentTypeRDFXML) ;
            reqEntity.setContentEncoding(WebContent.charsetUTF8) ;
            HttpEntity entity = reqEntity ;
            ((HttpEntityEnclosingRequestBase)httpRequest).setEntity(entity) ;
        }
        TypedInputStream ts = null ;
        // httpclient.getParams().setXXX
        try {
            HttpResponse response = httpclient.execute(httpRequest) ;


            int responseCode = response.getStatusLine().getStatusCode() ;
            String responseMessage = response.getStatusLine().getReasonPhrase() ;
            
            if ( HttpSC.isRedirection(responseCode) )

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    }


    try {
    
      // if we got this far, try to actually get the userinfo
      HttpClient httpClient = new SystemDefaultHttpClient();
      
      HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(httpClient);
      
      String userInfoString = null;

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    if (redirectUri != null) {
      form.add("redirect_uri", redirectUri);
    }


    // Handle Token Endpoint interaction
    HttpClient httpClient = new SystemDefaultHttpClient();


    httpClient.getParams().setParameter("http.socket.timeout", new Integer(httpSocketTimeout));


    HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(httpClient);


    RestTemplate restTemplate;

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                             cal.get(Calendar.YEAR), cal.get(Calendar.MONTH)+1, cal.get(Calendar.DAY_OF_MONTH),
                             cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
    }


    private String waitForHttp(URI uri) {
        SystemDefaultHttpClient client = new SystemDefaultHttpClient();
        client.setHttpRequestRetryHandler(new StandardHttpRequestRetryHandler(3, false));
        HttpContext localContext = new BasicHttpContext();
        HttpUriRequest httpRequest = new HttpHead(uri);
        HttpResponse httpResponse = null;


        httpResponse = head(client, httpRequest, localContext);

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        this.cookieStores.remove(key);
    }


    public synchronized HttpClient getHttpClient() {
      if (this.httpClient == null) {
            SystemDefaultHttpClient httpClient = new SystemDefaultHttpClient();
            // Provide custom retry handler is necessary
            httpClient.setHttpRequestRetryHandler(new StandardHttpRequestRetryHandler(3, false));
            return this.httpClient = httpClient;
      } else {
        return httpClient;
      }
    }

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    /**
     * Create an HttpClient that performs connection pooling. This can be used
     * with {@link #setDefaultHttpClient} or provided in the HttpOp calls.
     */
    public static HttpClient createCachingHttpClient() {
        return new SystemDefaultHttpClient() {
            /**
             * See SystemDefaultHttpClient (4.2). This version always sets the
             * connection cache
             */
            @Override

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