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

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:org.androidappdev.codebits.CodebitsApi.java

/**
 * Perform an HTTP request/*from   w w  w  . jav  a2s.c  o  m*/
 * 
 * @param url
 *            the URL for the request
 * @return a String with the result of the request
 */
private static String performHttpRequest(String url) {
    StringBuilder builder = new StringBuilder();
    HttpClient client = new DefaultHttpClient();
    HttpGet request = new HttpGet(url);
    try {
        HttpResponse response = client.execute(request);
        HttpEntity entity = response.getEntity();
        InputStream content = entity.getContent();
        BufferedReader reader = new BufferedReader(new InputStreamReader(content));
        String line = null;
        while ((line = reader.readLine()) != null) {
            builder.append(line);
        }
    } catch (Exception e) {
        Log.d(TAG, "Exception", e);
    }
    return builder.toString();
}

---

From source file:com.hat.tools.HttpUtils.java

public static void SendRequest(String url, Handler handler) {
    HttpGet request = new HttpGet(url);
    HttpClient httpClient = new DefaultHttpClient();

    byte[] data = null;
    InputStream in = null;// w w  w. j a  v  a  2  s .c  o m
    try {
        HttpResponse response = httpClient.execute(request);
        if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            in = response.getEntity().getContent();
            byte[] buf = new byte[1024];
            int len = 0;
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
            }
            data = out.toByteArray();
            Message msg = new Message();
            msg.what = HTTP_FINISH;
            Bundle bundle = new Bundle();
            bundle.putByteArray("data", data);
            msg.setData(bundle);
            handler.sendMessage(msg);
            out.close();
        }
    } catch (ClientProtocolException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {

        try {
            if (in != null)
                in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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From source file:org.jboss.demo.loanmanagement.client.RestCommandRunner.java

/**
 * @param restCommand the command to execute (cannot be <code>null</code>)
 * @return the response as a JSON object (never <code>null</code>)
 * @throws Exception if there are problems executing the command
 *//*from  w ww .j a v a2  s. co m*/
public static JSONObject run(final Command restCommand) throws Exception {
    final HttpGet httpGet = new HttpGet(restCommand.getUrl());

    { // headers
        if (restCommand.useAuthorization()) {
            httpGet.addHeader("Authorization", restCommand.geAuthorizationHeader()); //$NON-NLS-1$
        }

        httpGet.addHeader("Accept", "*/*;charset=utf-8"); //$NON-NLS-1$ //$NON-NLS-2$
    }

    final HttpClient httpClient = new DefaultHttpClient();
    InputStream is = null;

    try {
        final HttpResponse httpResponse = httpClient.execute(httpGet);

        final HttpEntity httpEntity = httpResponse.getEntity();
        is = httpEntity.getContent();

        final BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8); //$NON-NLS-1$
        final StringBuilder sb = new StringBuilder();

        String line = null;

        while ((line = reader.readLine()) != null) {
            sb.append(line).append('\n');
        }

        final String content = sb.toString();
        final JSONObject result = new JSONObject(content);

        return result;
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (final IOException e) {
                // nothing to do
            }
        }
    }
}

---

From source file:com.chiorichan.maven.MavenUtils.java

public static boolean downloadFile(String url, File dest) throws ClientProtocolException, IOException {
    HttpClient httpclient = HttpClients.createDefault();
    HttpGet httpget = new HttpGet(url);

    HttpResponse response = httpclient.execute(httpget);
    HttpEntity entity = response.getEntity();

    if (response.getStatusLine().getStatusCode() != 200) {
        PluginManager.getLogger()/* w w  w.  j  a v a  2s .c om*/
                .severe("Could not download the file `" + url + "`, webserver returned `"
                        + response.getStatusLine().getStatusCode() + " - "
                        + response.getStatusLine().getReasonPhrase() + "`");
        return false;
    }

    InputStream instream = entity.getContent();

    FileUtils.copyInputStreamToFile(instream, dest);

    return true;
}

---

From source file:com.mothsoft.alexis.util.NetworkingUtil.java

public static HttpClientResponse get(final URL url, final String etag, final Date lastModifiedDate)
        throws IOException {

    final HttpGet get = new HttpGet(url.toExternalForm());

    get.addHeader("Accept-Charset", "UTF-8");

    if (etag != null) {
        get.addHeader("If-None-Match", etag);
    }/*w  w w .ja  v a2 s. c o m*/

    if (lastModifiedDate != null) {
        get.addHeader("If-Modified-Since", DateUtils.formatDate(lastModifiedDate));
    }

    int statusCode = -1;
    String responseEtag = null;
    Date responseLastModifiedDate = null;

    final HttpClient client = getClient();
    HttpResponse response = client.execute(get);
    statusCode = response.getStatusLine().getStatusCode();

    InputStream is = null;
    Charset charset = null;

    if (statusCode == 304) {
        responseEtag = etag;
        responseLastModifiedDate = lastModifiedDate;
    } else {
        final Header responseEtagHeader = response.getFirstHeader("Etag");
        if (responseEtagHeader != null) {
            responseEtag = responseEtagHeader.getValue();
        }

        final Header lastModifiedDateHeader = response.getFirstHeader("Last-Modified");
        if (lastModifiedDateHeader != null) {
            try {
                responseLastModifiedDate = DateUtils.parseDate(lastModifiedDateHeader.getValue());
            } catch (DateParseException e) {
                responseLastModifiedDate = null;
            }
        }

        final HttpEntity entity = response.getEntity();

        // here's where to do intelligent checking of content type, content
        // length, etc.
        if (entity.getContentLength() > MAX_CONTENT_LENGTH) {
            get.abort();
            throw new IOException("Exceeded maximum content length, length is: " + entity.getContentLength());
        }

        is = entity.getContent();
        charset = getCharset(entity);
    }
    return new HttpClientResponse(get, statusCode, responseEtag, responseLastModifiedDate, is, charset);
}

---

From source file:Main.java

/**
 * Make POST request and return plain response
 * @param url/*www.j a  v a 2  s  .  co  m*/
 * @param pairs
 * @return Plain text response
 * @throws Exception
 */
public static String makeHttpPostRequest(String url, List<NameValuePair> pairs) throws Exception {
    BufferedReader in = null;
    String result = "";
    try {
        HttpClient client = new DefaultHttpClient();
        HttpPost post = new HttpPost(url);
        post.setEntity(new UrlEncodedFormEntity(pairs));
        HttpResponse response = client.execute(post);

        in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuffer sb = new StringBuffer("");
        String line = "";
        String NL = System.getProperty("line.separator");
        while ((line = in.readLine()) != null) {
            sb.append(line + NL);
        }
        in.close();
        result = sb.toString();
        // System.out.println(result);
    } catch (Exception e) {

        e.printStackTrace();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    return result;
}

---

From source file:eu.skillpro.ams.pscm.connector.amsservice.ui.RetrieveSEEHandler.java

/**
 * Returns a list of SEEs, retrieved by the server's retrieveSEEs method.
 * @param newOnly <code>true</code> to get only the newly registered SEEs, <code>false</code> to get all SEEs
 * @return a list of SEE transfer objects
 * @throws IOException if there were any problems with the sonnection to the server
 *//*  ww w. ja  va2s .com*/
public static List<SEETO> getSEETOs(boolean newOnly) throws IOException {
    String serviceName = "retrieveSEEs";
    String parameters = "?newOnly=" + newOnly;
    HttpGet request = new HttpGet(AMSServiceUtility.serviceAddress + serviceName + parameters);
    request.setHeader("Content-type", "application/json");

    HttpClient client = HttpClientBuilder.create().build();
    ;
    HttpResponse response = client.execute(request);

    BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

    StringBuilder sb = new StringBuilder();
    String line;
    while ((line = rd.readLine()) != null) {
        sb.append(line);
    }
    if (sb.length() == 0) {
        return new ArrayList<SEETO>();
    } else {
        List<SEETO> result = JSONUtility.convertToList(sb.toString(), new TypeToken<List<SEETO>>() {
        }.getType());
        System.out.println("Number of retrieved SEEs: " + result.size());
        return result;
    }
}

---

From source file:Main.java

public static String getRepsonseString(String url, Map<String, String> params) {
    HttpPost request = new HttpPost(url);
    List<NameValuePair> p = new ArrayList<NameValuePair>();
    for (String key : params.keySet()) {
        p.add(new BasicNameValuePair(key, params.get(key)));
    }/* w  ww  . j  ava 2s . c o  m*/
    HttpClient httpClient = new DefaultHttpClient();
    String result = null;

    try {
        request.setEntity(new UrlEncodedFormEntity(p, HTTP.UTF_8));
        HttpResponse response = httpClient.execute(request);
        if (response.getStatusLine().getStatusCode() == 200) {
            result = new String(EntityUtils.toString(response.getEntity()).getBytes("ISO_8859_1"), "UTF-8");
        }
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ClientProtocolException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        if (httpClient != null)
            httpClient.getConnectionManager().shutdown();
    }
    return result;
}

---

From source file:Main.java

public static String getJSONFromUrl(String url) {

    try {//from ww w . j a v  a  2  s .co m
        HttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url);

        //            httpPost.setEntity(new UrlEncodedFormEntity(params));

        HttpResponse httpResponse = httpClient.execute(httpPost);
        String tempResponse = EntityUtils.toString(httpResponse.getEntity());

        return tempResponse;

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

    return "";
}

---

From source file:com.deployd.Deployd.java

public static JSONObject delete(String uri) throws ClientProtocolException, IOException, JSONException {

    HttpDelete post = new HttpDelete(endpoint + uri);
    HttpClient client = new DefaultHttpClient();
    HttpResponse response = client.execute(post);
    ByteArrayEntity e = (ByteArrayEntity) response.getEntity();
    InputStream is = e.getContent();
    String data = new Scanner(is).next();
    JSONObject result = new JSONObject(data);
    return result;
}

---

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