Example usage for org.apache.http.impl.client DefaultHttpClient addResponseInterceptor

Introduction

In this page you can find the example usage for org.apache.http.impl.client DefaultHttpClient addResponseInterceptor.

Prototype

public synchronized void addResponseInterceptor(final HttpResponseInterceptor itcp) 

Source Link

Usage

From source file:com.hilatest.httpclient.apacheexample.ClientGZipContentCompression.java

public final static void main(String[] args) throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();

    httpclient.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");
            }/*from   www.j  a  v a  2  s. c  om*/
        }

    });

    httpclient.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;
                    }
                }
            }
        }

    });

    HttpGet httpget = new HttpGet("http://www.apache.org/");

    // Execute HTTP request
    System.out.println("executing request " + httpget.getURI());
    HttpResponse response = httpclient.execute(httpget);

    System.out.println("----------------------------------------");
    System.out.println(response.getStatusLine());
    System.out.println(response.getLastHeader("Content-Encoding"));
    System.out.println(response.getLastHeader("Content-Length"));
    System.out.println("----------------------------------------");

    HttpEntity entity = response.getEntity();

    if (entity != null) {
        String content = EntityUtils.toString(entity);
        System.out.println(content);
        System.out.println("----------------------------------------");
        System.out.println("Uncompressed size: " + content.length());
    }

    // When HttpClient instance is no longer needed, 
    // shut down the connection manager to ensure
    // immediate deallocation of all system resources
    httpclient.getConnectionManager().shutdown();
}

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From source file:com.dlmu.heipacker.crawler.client.ClientGZipContentCompression.java

public final static void main(String[] args) throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {/*  ww  w.  j a  va 2s. co m*/
        httpclient.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");
                }
            }

        });

        httpclient.addResponseInterceptor(new HttpResponseInterceptor() {

            public void process(final HttpResponse response, final HttpContext context)
                    throws HttpException, IOException {
                HttpEntity entity = response.getEntity();
                if (entity != null) {
                    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;
                            }
                        }
                    }
                }
            }

        });

        HttpGet httpget = new HttpGet("http://www.apache.org/");

        // Execute HTTP request
        System.out.println("executing request " + httpget.getURI());
        HttpResponse response = httpclient.execute(httpget);

        System.out.println("----------------------------------------");
        System.out.println(response.getStatusLine());
        System.out.println(response.getLastHeader("Content-Encoding"));
        System.out.println(response.getLastHeader("Content-Length"));
        System.out.println("----------------------------------------");

        HttpEntity entity = response.getEntity();

        if (entity != null) {
            String content = EntityUtils.toString(entity);
            System.out.println(content);
            System.out.println("----------------------------------------");
            System.out.println("Uncompressed size: " + content.length());
        }

    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }
}

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From source file:httpclient.client.ClientPreemptiveDigestAuthentication.java

public static void main(String[] args) throws Exception {

    DefaultHttpClient httpclient = new DefaultHttpClient();

    httpclient.getCredentialsProvider().setCredentials(new AuthScope("localhost", 80),
            new UsernamePasswordCredentials("username", "password"));

    BasicHttpContext localcontext = new BasicHttpContext();
    // Generate DIGEST scheme object, initialize it and stick it to 
    // the local execution context
    DigestScheme digestAuth = new DigestScheme();
    // Suppose we already know the realm name
    digestAuth.overrideParamter("realm", "some realm");
    // Suppose we already know the expected nonce value 
    digestAuth.overrideParamter("nonce", "whatever");
    localcontext.setAttribute("preemptive-auth", digestAuth);

    // Add as the first request interceptor
    httpclient.addRequestInterceptor(new PreemptiveAuth(), 0);
    // Add as the last response interceptor
    httpclient.addResponseInterceptor(new PersistentDigest());

    HttpHost targetHost = new HttpHost("localhost", 80, "http");

    HttpGet httpget = new HttpGet("/");

    System.out.println("executing request: " + httpget.getRequestLine());
    System.out.println("to target: " + targetHost);

    for (int i = 0; i < 3; i++) {
        HttpResponse response = httpclient.execute(targetHost, httpget, localcontext);
        HttpEntity entity = response.getEntity();

        System.out.println("----------------------------------------");
        System.out.println(response.getStatusLine());
        if (entity != null) {
            System.out.println("Response content length: " + entity.getContentLength());
            entity.consumeContent();/*from ww w  . j  a  va 2  s.  com*/
        }
    }

    // When HttpClient instance is no longer needed, 
    // shut down the connection manager to ensure
    // immediate deallocation of all system resources
    httpclient.getConnectionManager().shutdown();
}

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From source file:org.iglootools.hchelpers.core.DefaultHttpClientFactory.java

private static void handleGzipContentCompression(DefaultHttpClient httpClient) {
    httpClient.addRequestInterceptor(new RequestAcceptEncoding());
    httpClient.addResponseInterceptor(new ResponseContentEncoding());
}

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From source file:com.fanfou.app.opensource.util.NetworkHelper.java

public final static DefaultHttpClient createHttpClient(final Context context) {
    final HttpParams params = NetworkHelper.createHttpParams();
    final DefaultHttpClient client = new DefaultHttpClient(params);
    client.addRequestInterceptor(new GzipRequestInterceptor());
    client.addResponseInterceptor(new GzipResponseInterceptor());
    client.setHttpRequestRetryHandler(new RequestRetryHandler(NetworkHelper.MAX_RETRY_TIMES));
    NetworkHelper.checkAndSetProxy(context, params);
    return client;
}

---

From source file:org.hawk.service.api.utils.APIUtils.java

@SuppressWarnings({ "restriction", "deprecation" })
private static DefaultHttpClient createGZipAwareHttpClient() {
    /*/* www.jav a 2s . co  m*/
     * Apache HttpClient 4.3 and later deprecate DefaultHttpClient in favour
     * of HttpClientBuilder, but Hadoop 2.7.x (used by CloudATL) uses Apache
     * HttpClient 4.2.5. Until Hadoop upgrades to HttpClient 4.3+, we'll
     * have to keep using this deprecated API. After that, we'll be able to
     * replace this bit of code with something like:
     *
     * <pre>
     *  return HttpClientBuilder.create()
     *      .addInterceptorFirst(new GZipRequestInterceptor())
     *   .addInterceptorFirst(new GZipResponseInterceptor())
     *   .build();
     * </pre>
     */
    final DefaultHttpClient client = new DefaultHttpClient();
    client.addRequestInterceptor(new GZipRequestInterceptor());
    client.addResponseInterceptor(new GZipResponseInterceptor());
    return client;
}

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From source file:org.transdroid.util.HttpHelper.java

public static HttpClient buildDefaultSearchHttpClient(boolean ignoreSslIssues) {

    SchemeRegistry registry = new SchemeRegistry();
    registry.register(new Scheme("http", new PlainSocketFactory(), 80));
    registry.register(new Scheme("https",
            ignoreSslIssues ? new IgnoreTlsSniSocketFactory() : new TlsSniSocketFactory(), 443));

    HttpParams httpparams = new BasicHttpParams();
    HttpConnectionParams.setConnectionTimeout(httpparams, 8000);
    HttpConnectionParams.setSoTimeout(httpparams, 8000);
    DefaultHttpClient httpclient = new DefaultHttpClient(new ThreadSafeClientConnManager(httpparams, registry),
            httpparams);/*from w w  w  . j  av a  2 s  .c o m*/

    httpclient.addRequestInterceptor(HttpHelper.gzipRequestInterceptor);
    httpclient.addResponseInterceptor(HttpHelper.gzipResponseInterceptor);

    return httpclient;

}

---

From source file:at.bitfire.davdroid.webdav.GzipDecompressingEntity.java

public static void enable(DefaultHttpClient client) {
    client.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override//from  ww  w  .  ja va  2  s. c o  m
        public void process(HttpRequest request, HttpContext context) throws HttpException, IOException {
            if (!request.containsHeader("Accept-Encoding"))
                request.addHeader("Accept-Encoding", "gzip");
        }
    });
    client.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        public void process(HttpResponse response, HttpContext context) throws HttpException, IOException {
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                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;
                        }
                    }
                }
            }
        }
    });
}

---

From source file:com.janoz.usenet.support.GzipDecompressingEntity.java

public static DefaultHttpClient addTo(DefaultHttpClient httpClient) {
    httpClient.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override//  ww  w .j  a  va2 s. co  m
        public void process(final HttpRequest request, final HttpContext context)
                throws HttpException, IOException {
            if (!request.containsHeader("Accept-Encoding")) {
                request.addHeader("Accept-Encoding", "gzip");
            }
        }
    });
    httpClient.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        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;
                    }
                }
            }
        }
    });

    return httpClient;
}

---

From source file:com.binroot.fatpita.Common.java

private static DefaultHttpClient createGzipHttpClient() {
    BasicHttpParams params = new BasicHttpParams();
    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    ClientConnectionManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);
    DefaultHttpClient httpclient = new DefaultHttpClient(cm, params);
    httpclient.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");
            }/* w ww.j a v  a 2 s. c om*/
        }
    });
    httpclient.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;
                    }
                }
            }
        }
    });
    return httpclient;
}

---

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