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

Introduction

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

Prototype

public synchronized void addRequestInterceptor(final HttpRequestInterceptor itcp) 

Source Link

Usage

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

public final static void main(String[] args) throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {/*from   ww  w .  java 2  s . c o 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: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  ww  w  . j a  v  a2s. c o m*/
        }

    });

    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();
}

---

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

public static void enable(DefaultHttpClient client) {
    client.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override/*from   w w w  .j  av a 2  s. c  om*/
        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/*from w w  w .j  av a  2 s.c o 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:org.iglootools.hchelpers.core.DefaultHttpClientFactory.java

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

---

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");
            }//from   www .  jav  a  2s  .com
        }
    });
    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;
}

---

From source file:com.subgraph.vega.internal.http.requests.UnencodedHttpClientFactory.java

static HttpClient createHttpClient() {
    final HttpParams params = createHttpParams();
    final ClientConnectionManager ccm = createConnectionManager(params);
    final DefaultHttpClient client = new DefaultHttpClient(ccm, params);

    client.getParams().setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, false);
    client.addRequestInterceptor(new RequestCopyHeadersInterceptor());
    return client;
}

---

From source file:com.surya.HttpClient.java

public final static String getContent(String url) 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");
            }/*www.j a  va2  s.c o  m*/
        }

    });

    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(url);

    HttpResponse response = httpclient.execute(httpget);

    HttpEntity entity = response.getEntity();
    String content = null;
    if (entity != null) {
        content = EntityUtils.toString(entity);
    }

    httpclient.getConnectionManager().shutdown();

    return content;
}

---

From source file:com.makotosan.vimeodroid.common.HttpHelper.java

/**
* Generate and return a {@link HttpClient} configured for general use,
* including setting an application-specific user-agent string.
*//* w  w  w.  j a v  a  2 s.c o m*/
public static HttpClient getHttpClient(Context context) {
    final HttpParams params = new BasicHttpParams();

    // Use generous timeouts for slow mobile networks
    HttpConnectionParams.setConnectionTimeout(params, 20 * SECOND_IN_MILLIS);
    HttpConnectionParams.setSoTimeout(params, 20 * SECOND_IN_MILLIS);

    HttpConnectionParams.setSocketBufferSize(params, 8192);
    HttpProtocolParams.setUserAgent(params, buildUserAgent(context));

    final DefaultHttpClient client = new DefaultHttpClient(params);

    client.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override
        public void process(HttpRequest request, HttpContext context) {
            // Add header to accept gzip content
            if (!request.containsHeader(HEADER_ACCEPT_ENCODING)) {
                request.addHeader(HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
            }
        }
    });

    client.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        public void process(HttpResponse response, HttpContext context) {
            // Inflate any responses compressed with gzip
            final HttpEntity entity = response.getEntity();
            final Header encoding = entity.getContentEncoding();
            if (encoding != null) {
                for (HeaderElement element : encoding.getElements()) {
                    if (element.getName().equalsIgnoreCase(ENCODING_GZIP)) {
                        response.setEntity(new InflatingEntity(response.getEntity()));
                        break;
                    }
                }
            }
        }
    });

    return client;
}

---

From source file:com.blork.anpod.util.SyncUtils.java

/**
 * Generate and return a {@link HttpClient} configured for general use,
 * including setting an application-specific user-agent string.
 *
 * @param context the context/*from w  ww .  j a  va2s.  com*/
 * @return the http client
 */
static HttpClient getHttpClient(Context context) {
    final HttpParams params = new BasicHttpParams();

    // Use generous timeouts for slow mobile networks
    HttpConnectionParams.setConnectionTimeout(params, 20 * SECOND_IN_MILLIS);
    HttpConnectionParams.setSoTimeout(params, 20 * SECOND_IN_MILLIS);

    HttpConnectionParams.setSocketBufferSize(params, 8192);
    HttpProtocolParams.setUserAgent(params, buildUserAgent(context));

    final DefaultHttpClient client = new DefaultHttpClient(params);

    client.addRequestInterceptor(new HttpRequestInterceptor() {
        public void process(HttpRequest request, HttpContext context) {
            // Add header to accept gzip content
            if (!request.containsHeader(HEADER_ACCEPT_ENCODING)) {
                request.addHeader(HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
            }
        }
    });

    client.addResponseInterceptor(new HttpResponseInterceptor() {
        public void process(HttpResponse response, HttpContext context) {
            // Inflate any responses compressed with gzip
            final HttpEntity entity = response.getEntity();
            final Header encoding = entity.getContentEncoding();
            if (encoding != null) {
                for (HeaderElement element : encoding.getElements()) {
                    if (element.getName().equalsIgnoreCase(ENCODING_GZIP)) {
                        response.setEntity(new InflatingEntity(response.getEntity()));
                        break;
                    }
                }
            }
        }
    });

    return client;
}

---

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