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:org.dojotoolkit.zazl.internal.XMLHttpRequestUtils.java

@SuppressWarnings({ "unchecked", "rawtypes" })
public static String xhrRequest(String shrDataString) {
    InputStream is = null;//from w w w. ja  v a  2 s . c om
    String json = null;

    try {
        logger.logp(Level.FINER, XMLHttpRequestUtils.class.getName(), "xhrRequest",
                "shrDataString [" + shrDataString + "]");

        Map<String, Object> xhrData = (Map<String, Object>) JSONParser.parse(new StringReader(shrDataString));
        String url = (String) xhrData.get("url");
        String method = (String) xhrData.get("method");
        List headers = (List) xhrData.get("headers");
        URL requestURL = createURL(url);
        URI uri = new URI(requestURL.toString());

        HashMap httpMethods = new HashMap(7);
        httpMethods.put("DELETE", new HttpDelete(uri));
        httpMethods.put("GET", new HttpGet(uri));
        httpMethods.put("HEAD", new HttpHead(uri));
        httpMethods.put("OPTIONS", new HttpOptions(uri));
        httpMethods.put("POST", new HttpPost(uri));
        httpMethods.put("PUT", new HttpPut(uri));
        httpMethods.put("TRACE", new HttpTrace(uri));
        HttpUriRequest request = (HttpUriRequest) httpMethods.get(method.toUpperCase());

        if (request.equals(null)) {
            throw new Error("SYNTAX_ERR");
        }

        for (Object header : headers) {
            StringTokenizer st = new StringTokenizer((String) header, ":");
            String name = st.nextToken();
            String value = st.nextToken();
            request.addHeader(name, value);
        }

        HttpClient client = new DefaultHttpClient();

        HttpResponse response = client.execute(request);
        Map headerMap = new HashMap();

        HeaderIterator headerIter = response.headerIterator();

        while (headerIter.hasNext()) {
            Header header = headerIter.nextHeader();
            headerMap.put(header.getName(), header.getValue());
        }

        int status = response.getStatusLine().getStatusCode();
        String statusText = response.getStatusLine().toString();

        is = response.getEntity().getContent();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        String line = null;
        StringBuffer sb = new StringBuffer();

        while ((line = br.readLine()) != null) {
            sb.append(line);
            sb.append('\n');
        }
        Map m = new HashMap();
        m.put("status", new Integer(status));
        m.put("statusText", statusText);
        m.put("responseText", sb.toString());
        m.put("headers", headerMap.toString());
        StringWriter w = new StringWriter();
        JSONSerializer.serialize(w, m);
        json = w.toString();
        logger.logp(Level.FINER, XMLHttpRequestUtils.class.getName(), "xhrRequest", "json [" + json + "]");
    } catch (Throwable e) {
        logger.logp(Level.SEVERE, XMLHttpRequestUtils.class.getName(), "xhrRequest",
                "Failed request for [" + shrDataString + "]", e);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
            }
        }
    }
    return json;
}

From source file:com.ajah.http.Http.java

private static HttpEntity internalGet(final URI uri)
        throws IOException, ClientProtocolException, NotFoundException, UnexpectedResponseCode {
    final HttpClient httpclient = new DefaultHttpClient();
    final HttpGet httpget = new HttpGet(uri);
    final HttpResponse response = httpclient.execute(httpget);
    if (response.getStatusLine().getStatusCode() == 200) {
        final HttpEntity entity = response.getEntity();
        return entity;
    } else if (response.getStatusLine().getStatusCode() == 404) {
        throw new NotFoundException(
                response.getStatusLine().getStatusCode() + " - " + response.getStatusLine().getReasonPhrase());
    } else {//ww w .  j  av a2 s  .  c o  m
        throw new UnexpectedResponseCode(
                response.getStatusLine().getStatusCode() + " - " + response.getStatusLine().getReasonPhrase());
    }
}

From source file:language_engine.HttpUtils.java

public static String doHttpPost(String url, List<NameValuePair> params) {
    try {/*w w  w.  ja  va  2s. c o m*/
        HttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url);
        httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
        HttpResponse resp = httpClient.execute(httpPost);
        return StreamUtil.readText(resp.getEntity().getContent(), "UTF-8");
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:org.keycloak.adapters.cloned.HttpAdapterUtils.java

public static MultivaluedHashMap<String, KeyInfo> downloadKeysFromSamlDescriptor(HttpClient client,
        String descriptorUrl) throws HttpClientAdapterException {
    try {// www  . ja  v  a2s.  co m
        HttpGet httpRequest = new HttpGet(descriptorUrl);
        HttpResponse response = client.execute(httpRequest);
        int status = response.getStatusLine().getStatusCode();
        if (status != HttpStatus.SC_OK) {
            EntityUtils.consumeQuietly(response.getEntity());
            throw new HttpClientAdapterException("Unexpected status = " + status);
        }

        HttpEntity entity = response.getEntity();
        if (entity == null) {
            throw new HttpClientAdapterException("There was no entity.");
        }

        MultivaluedHashMap<String, KeyInfo> res;
        try (InputStream is = entity.getContent()) {
            res = extractKeysFromSamlDescriptor(is);
        }

        EntityUtils.consumeQuietly(entity);

        return res;
    } catch (IOException | ParsingException e) {
        throw new HttpClientAdapterException("IO error", e);
    }
}

From source file:org.phpmaven.pear.library.impl.Helper.java

/**
 * Returns the text file contents./*from  w  w w  .ja  va 2s .  c  o  m*/
 * @param uri URI of the resource.
 * @return the files content.
 * @throws IOException thrown on errors.
 */
public static String getTextFileContents(String uri) throws IOException {
    // is it inside the local filesystem?
    if (uri.startsWith("file://")) {
        final File channelFile = new File(uri.substring(7));

        final String lineSep = System.getProperty("line.separator");
        final BufferedReader br = new BufferedReader(new FileReader(channelFile));
        String nextLine = "";
        final StringBuffer sb = new StringBuffer();
        while ((nextLine = br.readLine()) != null) {
            sb.append(nextLine);
            sb.append(lineSep);
        }
        br.close();
        return sb.toString();
    }

    // try http connection
    final HttpClient client = new DefaultHttpClient();
    final HttpGet httpget = new HttpGet(uri);
    final HttpResponse response = client.execute(httpget);
    if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
        throw new IOException("Invalid http status: " + response.getStatusLine().getStatusCode() + " / "
                + response.getStatusLine().getReasonPhrase());
    }
    final HttpEntity entity = response.getEntity();
    if (entity == null) {
        throw new IOException("Empty response.");
    }
    return EntityUtils.toString(entity);
}

From source file:org.jorge.lolin1.io.net.HTTPServices.java

public static InputStream performGetRequest(String uri, String locale)
        throws IOException, URISyntaxException, ServerIsCheckingException {
    HttpResponse response;//from   ww w .  j a  v  a 2  s.c o  m

    HttpParams params = new BasicHttpParams();
    HttpProtocolParams.setContentCharset(params, LoLin1Utils.getLocaleCharset(locale).name());
    HttpClient client = new DefaultHttpClient();
    HttpGet request = new HttpGet();
    request.setURI(new URI(uri));
    response = client.execute(request);
    if (response.getStatusLine().getStatusCode() == 409) {
        throw new ServerIsCheckingException();
    } else {
        return response.getEntity().getContent();
    }
}

From source file:org.eclipse.json.http.HttpHelper.java

public static JsonValue makeRequest(String url) throws IOException {
    long startTime = 0;
    HttpClient httpClient = new DefaultHttpClient();
    try {//  w  w w  .  j  ava2 s  .c  om
        // Post JSON Tern doc
        HttpGet httpGet = new HttpGet(url);
        HttpResponse httpResponse = httpClient.execute(httpGet);
        HttpEntity entity = httpResponse.getEntity();
        InputStream in = entity.getContent();
        // Check the status
        StatusLine statusLine = httpResponse.getStatusLine();
        int statusCode = statusLine.getStatusCode();
        if (statusCode != HttpStatus.SC_OK) {
            // node.js server throws error
            /*
             * String message = IOUtils.toString(in); if
             * (StringUtils.isEmpty(message)) { throw new
             * TernException(statusLine.toString()); } throw new
             * TernException(message);
             */
        }

        try {
            JsonValue response = JsonValue.readFrom(new InputStreamReader(in));
            return response;
        } catch (ParseException e) {
            throw new IOException(e);
        }
    } catch (Exception e) {
        if (e instanceof IOException) {
            throw (IOException) e;
        }
        throw new IOException(e);
    } finally {
        httpClient.getConnectionManager().shutdown();
    }
}

From source file:fm.krui.kruifm.JSONFunctions.java

public static JSONObject getJSONObjectFromURL(String url) {
    InputStream is = null;/*  w w  w . ja  v  a2  s.co  m*/
    String result = "";
    JSONObject jArray = null;

    //http post
    try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httppost = new HttpGet(url);
        HttpResponse response = httpclient.execute(httppost);
        HttpEntity entity = response.getEntity();
        is = entity.getContent();

    } catch (Exception e) {
        Log.e(TAG, "Error in http connection " + e.toString());
    }

    //convert response to string
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
        StringBuilder sb = new StringBuilder();
        String line = null;
        while ((line = reader.readLine()) != null) {
            sb.append(line + "\n");
        }
        is.close();
        result = sb.toString();
    } catch (Exception e) {
        Log.e(TAG, "Error converting result " + e.toString());
    }

    try {

        jArray = new JSONObject(result);
    } catch (JSONException e) {
        Log.e(TAG, "Error parsing data " + e.toString());
    }

    return jArray;
}

From source file:fm.krui.kruifm.JSONFunctions.java

public static JSONArray getJSONArrayFromURL(String url) {
    InputStream is = null;//from   w  w w .ja va 2 s  .  c  om
    String result = "";
    JSONArray jArray = null;

    //http post
    try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httppost = new HttpGet(url);
        HttpResponse response = httpclient.execute(httppost);
        HttpEntity entity = response.getEntity();
        is = entity.getContent();

    } catch (Exception e) {
        Log.e(TAG, "Error in http connection " + e.toString());
    }

    //convert response to string
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
        StringBuilder sb = new StringBuilder();
        String line = null;
        while ((line = reader.readLine()) != null) {
            sb.append(line + "\n");
        }
        is.close();
        result = sb.toString();
    } catch (Exception e) {
        Log.e(TAG, "Error converting result " + e.toString());
    }

    try {

        jArray = new JSONArray(result);
    } catch (JSONException e) {
        Log.e(TAG, "Error parsing data " + e.toString());
    }

    return jArray;
}

From source file:com.github.restdriver.clientdriver.integration.VerifyWithinTest.java

private static void hitThat(String url) {
    try {/*from ww  w.  j a v  a 2s  . c  om*/
        HttpClient client = new DefaultHttpClient();
        HttpGet get = new HttpGet(url);
        client.execute(get);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}