Example usage for org.apache.http.client HttpClient execute

List of usage examples for org.apache.http.client HttpClient execute

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Introduction

In this page you can find the example usage for org.apache.http.client HttpClient execute.

Prototype

HttpResponse execute(HttpUriRequest request) throws IOException, ClientProtocolException;

Source Link

Document

Executes HTTP request using the default context.

Usage

From source file:com.teleca.jamendo.api.util.Caller.java

/**
 * Performs HTTP GET using Apache HTTP Client v 4
 * /*from   ww w.ja  v  a  2  s  . c o m*/
 * @param url
 * @return
 * @throws WSError 
 */
public static String doGet(String url) throws WSError {

    String data = null;
    if (requestCache != null) {
        data = requestCache.get(url);
        if (data != null) {
            Log.d(JamendoApplication.TAG, "Caller.doGet [cached] " + url);
            return data;
        }
    }

    URI encodedUri = null;
    HttpGet httpGet = null;

    try {
        encodedUri = new URI(url);
        httpGet = new HttpGet(encodedUri);
    } catch (URISyntaxException e1) {
        // at least try to remove spaces
        String encodedUrl = url.replace(' ', '+');
        httpGet = new HttpGet(encodedUrl);
        e1.printStackTrace();
    }

    // initialize HTTP GET request objects
    HttpClient httpClient = new DefaultHttpClient();
    HttpResponse httpResponse;

    try {
        // execute request
        try {
            httpResponse = httpClient.execute(httpGet);
        } catch (UnknownHostException e) {
            throw new WSError("Unable to access " + e.getLocalizedMessage());
        } catch (SocketException e) {
            throw new WSError(e.getLocalizedMessage());
        }

        // request data
        HttpEntity httpEntity = httpResponse.getEntity();

        if (httpEntity != null) {
            InputStream inputStream = httpEntity.getContent();
            data = convertStreamToString(inputStream);
            // cache the result
            if (requestCache != null) {
                requestCache.put(url, data);
            }
        }

    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    Log.d(JamendoApplication.TAG, "Caller.doGet " + url);
    return data;
}

From source file:net.dian1.player.api.util.Caller.java

/**
 * Performs HTTP GET using Apache HTTP Client v 4
 * /* ww  w  . j  a  v a2s  .c o m*/
 * @param url
 * @return
 * @throws WSError 
 */
public static String doGet(String url) throws WSError {

    String data = null;
    if (requestCache != null) {
        data = requestCache.get(url);
        if (data != null) {
            Log.d(Dian1Application.TAG, "Caller.doGet [cached] " + url);
            return data;
        }
    }

    URI encodedUri = null;
    HttpGet httpGet = null;

    try {
        encodedUri = new URI(url);
        httpGet = new HttpGet(encodedUri);
    } catch (URISyntaxException e1) {
        // at least try to remove spaces
        String encodedUrl = url.replace(' ', '+');
        httpGet = new HttpGet(encodedUrl);
        e1.printStackTrace();
    }

    // initialize HTTP GET request objects
    HttpClient httpClient = new DefaultHttpClient();
    HttpResponse httpResponse;

    try {
        // execute request
        try {
            httpResponse = httpClient.execute(httpGet);
        } catch (UnknownHostException e) {
            throw new WSError("Unable to access " + e.getLocalizedMessage());
        } catch (SocketException e) {
            throw new WSError(e.getLocalizedMessage());
        }

        // request data
        HttpEntity httpEntity = httpResponse.getEntity();

        if (httpEntity != null) {
            InputStream inputStream = httpEntity.getContent();
            data = convertStreamToString(inputStream);
            // cache the result
            if (requestCache != null) {
                requestCache.put(url, data);
            }
        }

    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    Log.d(Dian1Application.TAG, "Caller.doGet " + url);
    return data;
}

From source file:com.ibm.iot.iotspark.IoTPrediction.java

/**
 * Makes ReST call to the Predictive Analytics service with the given payload and responds with the predicted score.
 * /*from  w  ww .ja v a2 s.c o m*/
 * @param pURL
 * @param payload
 * @return
 * @throws ClientProtocolException
 * @throws IOException
 */
public static java.lang.String post(java.lang.String pURL, java.lang.String payload)
        throws ClientProtocolException, IOException {

    HttpClient client = new DefaultHttpClient();
    HttpPost post = new HttpPost(pURL);
    StringEntity input = new StringEntity(payload);
    input.setContentType("application/json");
    post.setEntity(input);

    HttpResponse response = client.execute(post);

    BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
    StringBuilder out = new StringBuilder();
    java.lang.String line;
    while ((line = rd.readLine()) != null) {
        //    System.out.println(line);
        out.append(line);
    }

    System.out.println(out.toString()); //Prints the string content read from input stream
    rd.close();
    return out.toString();
}

From source file:org.wso2.carbon.appmgt.sample.deployer.http.HttpHandler.java

/**
 * This method is use get a html file for given url
 *
 * @param url Web page url// ww w.  j  a v  a 2s  . com
 * @return response
 * @throws java.io.IOException Throws this when failed to retrieve web page
 */
public static String getHtml(String url) throws IOException {
    HttpClient httpClient = AppManagerUtil.getHttpClient(url);
    HttpGet httpget = new HttpGet(url);
    HttpResponse response = httpClient.execute(httpget);
    HttpEntity entity = response.getEntity();
    InputStream content = entity.getContent();
    BufferedReader in = new BufferedReader(new InputStreamReader(content));
    StringBuffer responseBuffer = new StringBuffer();
    String line;
    while ((line = in.readLine()) != null) {
        responseBuffer.append(line);
    }
    if (in != null) {
        in.close();
    }
    return responseBuffer.toString();
}

From source file:com.storageroomapp.client.util.Http.java

/**
 * GET the payload for the given URL as an Inputstream
 * /*from   w ww.j  av a  2 s.co m*/
 * NOTE: caller must close the stream
 * @param url a String url
 * @return an Inputstream if successful, null otherwise
 */
static public InputStream get(String url) {
    InputStream instream = null;
    try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet(url);
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        int code = response.getStatusLine().getStatusCode();
        String reason = response.getStatusLine().getReasonPhrase();
        if (entity != null) {
            instream = entity.getContent();
            if (log.isDebugEnabled()) {
                log.debug("Http.get url [" + url + "] response code [" + code + "] reason [" + reason
                        + "] body [input stream]");
            }
        } else {
            if (log.isDebugEnabled()) {
                log.debug("Http.get url [" + url + "] response code [" + code + "] reason [" + reason
                        + "] body [nothing returned]");
            }
        }
    } catch (Exception e) {
        log.error("Http.get failed, with url [" + url + "]", e);
    }
    return instream;
}

From source file:com.storageroomapp.client.util.Http.java

/**
 * GET the payload for the given URL as a String
 * /* w ww  .  ja v  a  2s.  co m*/
 * @param url a String url
 * @return a String if successful, null otherwise
 */
static public String getAsString(String url) {
    String body = null;
    try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet(url);
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        int code = response.getStatusLine().getStatusCode();
        String reason = response.getStatusLine().getReasonPhrase();
        if (entity != null) {
            InputStream instream = entity.getContent();
            body = deserializeBody(instream);
            if (log.isDebugEnabled()) {
                log.debug("Http.getAsString url [" + url + "] response code [" + code + "] reason [" + reason
                        + "] body [" + body + "]");
            }
        } else {
            if (log.isDebugEnabled()) {
                log.debug("Http.getAsString url [" + url + "] response code [" + code + "] reason [" + reason
                        + "] body [nothing returned]");
            }
        }
    } catch (Exception e) {
        log.error("Http.getAsString failed, with url [" + url + "]", e);
    }
    return body;
}

From source file:com.storageroomapp.client.util.Http.java

/**
 * DELETE the url/* w ww  .ja va 2  s.  co m*/
 * @param url a String url
 * @return true if successful (response code < 400), false otherwise
 */
static public boolean delete(String url) {
    boolean success = false;
    try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpDelete httpdelete = new HttpDelete(url);
        HttpResponse response = httpclient.execute(httpdelete);
        int code = response.getStatusLine().getStatusCode();
        success = code < 400;

        if (log.isDebugEnabled()) {
            String reason = response.getStatusLine().getReasonPhrase();
            log.debug("Http.delete url [" + url + "] response code [" + code + "] reason [" + reason + "]");
        }

    } catch (Exception e) {
        log.error("Http.delete failed, with url [" + url + "]", e);
    }
    return success;
}

From source file:net.ccghe.utils.Server.java

public static JSONObject Send(PostDataPairs pairs) {
    HttpClient client = new DefaultHttpClient();
    try {/*from ww w .j av a 2 s. c om*/
        HttpPost post = new HttpPost(serverURL);
        post.setEntity(new UrlEncodedFormEntity(pairs.get()));
        HttpResponse response = client.execute(post);

        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        String jsonResponse = convertStreamToString(stream);
        stream.close();
        if (entity != null) {
            entity.consumeContent();
        }
        JSONObject jObject = new JSONObject(jsonResponse);

        return jObject;
    } catch (ClientProtocolException e) {
        Log.e("EMOCHA", "ClientProtocolException ERR. " + e.getMessage());
    } catch (UnknownHostException e) {
        Log.e("EMOCHA", "UnknownHostException ERR. " + e.getMessage());
    } catch (IOException e) {
        Log.e("EMOCHA", "IOException ERR. " + e.getMessage());
    } catch (Exception e) {
        Log.e("EMOCHA", "Exception ERR. " + e.getMessage());
    }
    return null;
}

From source file:simple.crawler.http.HttpClientUtil.java

public static String fetch(HttpClient httpclient, String uri) throws Exception {
    if (httpclient == null) {
        throw new NullPointerException();
    }//from  w ww  .j av a  2  s  .c  o  m
    if (uri == null) {
        throw new NullPointerException();
    }
    HttpGet get = new HttpGet(uri);
    return getContentBodyAsString(httpclient.execute(get));
}

From source file:com.appdynamics.openstack.nova.RestClient.java

static String doGet(String url, String token) throws Exception {
    HttpClient httpClient = httpClientWithTrustManager();

    HttpGet get = new HttpGet(url);
    get.addHeader("accept", xmlContentType);
    get.addHeader("X-Auth-Token", token);

    HttpResponse response = httpClient.execute(get);

    return getResponseString(httpClient, response);
}