Example usage for org.apache.http.client ResponseHandler ResponseHandler

Introduction

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

Prototype

ResponseHandler

Source Link

Usage

From source file:com.javaquery.apache.httpclient.HttpDeleteExample.java

public static void main(String[] args) {
    /* Create object of CloseableHttpClient */
    CloseableHttpClient httpClient = HttpClients.createDefault();

    /* Prepare delete request */
    HttpDelete httpDelete = new HttpDelete("http://www.example.com/api/customer");
    /* Add headers to get request */
    httpDelete.addHeader("Authorization", "value");

    /* Response handler for after request execution */
    ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

        @Override/*  w  w  w .  j  av a 2s  .c  o m*/
        public String handleResponse(HttpResponse httpResponse) throws ClientProtocolException, IOException {
            /* Get status code */
            int httpResponseCode = httpResponse.getStatusLine().getStatusCode();
            System.out.println("Response code: " + httpResponseCode);
            if (httpResponseCode >= 200 && httpResponseCode < 300) {
                /* Convert response to String */
                HttpEntity entity = httpResponse.getEntity();
                return entity != null ? EntityUtils.toString(entity) : null;
            } else {
                return null;
                /* throw new ClientProtocolException("Unexpected response status: " + httpResponseCode); */
            }
        }
    };

    try {
        /* Execute URL and attach after execution response handler */
        String strResponse = httpClient.execute(httpDelete, responseHandler);
        /* Print the response */
        System.out.println("Response: " + strResponse);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:com.javaquery.apache.httpclient.HttpGetExample.java

public static void main(String[] args) {
    /* Create object of CloseableHttpClient */
    CloseableHttpClient httpClient = HttpClients.createDefault();

    /* Prepare get request */
    HttpGet httpGet = new HttpGet("http://www.example.com/api/customer");
    /* Add headers to get request */
    httpGet.addHeader("Authorization", "value");
    httpGet.addHeader("Content-Type", "application/json");

    /* Response handler for after request execution */
    ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

        @Override// w w  w.  j a  v  a  2 s.c  o m
        public String handleResponse(HttpResponse httpResponse) throws ClientProtocolException, IOException {
            /* Get status code */
            int httpResponseCode = httpResponse.getStatusLine().getStatusCode();
            System.out.println("Response code: " + httpResponseCode);
            if (httpResponseCode >= 200 && httpResponseCode < 300) {
                /* Convert response to String */
                HttpEntity entity = httpResponse.getEntity();
                return entity != null ? EntityUtils.toString(entity) : null;
            } else {
                return null;
                /* throw new ClientProtocolException("Unexpected response status: " + httpResponseCode); */
            }
        }
    };

    try {
        /* Execute URL and attach after execution response handler */
        String strResponse = httpClient.execute(httpGet, responseHandler);
        /* Print the response */
        System.out.println("Response: " + strResponse);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:downloadwolkflow.httpTest.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*w  ww. j  a va  2 s .  c o  m*/
        HttpGet httpget = new HttpGet(
                "http://www.myexperiment.org/workflows/16/download/Pathways_and_Gene_annotations_for_QTL_region-v7.t2flow?version=7");

        //System.out.println("Executing request " + httpget.getRequestLine());

        // Create a custom response handler
        ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

            @Override
            public String handleResponse(final HttpResponse response)
                    throws ClientProtocolException, IOException {
                int status = response.getStatusLine().getStatusCode();
                if (status >= 200 && status < 300) {
                    HttpEntity entity = response.getEntity();
                    return entity != null ? EntityUtils.toString(entity) : null;
                } else {
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            }

        };
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
    } finally {
        httpclient.close();
    }
}

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From source file:com.javaquery.apache.httpclient.HttpPutExample.java

public static void main(String[] args) {
    /* Create object of CloseableHttpClient */
    CloseableHttpClient httpClient = HttpClients.createDefault();

    /* Prepare put request */
    HttpPut httpPut = new HttpPut("http://www.example.com/api/customer");
    /* Add headers to get request */
    httpPut.addHeader("Authorization", "value");

    /* Prepare StringEntity from JSON */
    StringEntity jsonData = new StringEntity("{\"id\":\"123\", \"name\":\"Vicky Thakor\"}", "UTF-8");
    /* Body of request */
    httpPut.setEntity(jsonData);/*from  w  ww . j av  a 2 s. c  o m*/

    /* Response handler for after request execution */
    ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

        @Override
        public String handleResponse(HttpResponse httpResponse) throws ClientProtocolException, IOException {
            /* Get status code */
            int httpResponseCode = httpResponse.getStatusLine().getStatusCode();
            System.out.println("Response code: " + httpResponseCode);
            if (httpResponseCode >= 200 && httpResponseCode < 300) {
                /* Convert response to String */
                HttpEntity entity = httpResponse.getEntity();
                return entity != null ? EntityUtils.toString(entity) : null;
            } else {
                return null;
                /* throw new ClientProtocolException("Unexpected response status: " + httpResponseCode); */
            }
        }
    };

    try {
        /* Execute URL and attach after execution response handler */
        String strResponse = httpClient.execute(httpPut, responseHandler);
        /* Print the response */
        System.out.println("Response: " + strResponse);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.javaquery.apache.httpclient.HttpPostExample.java

public static void main(String[] args) throws UnsupportedEncodingException {
    /* Create object of CloseableHttpClient */
    CloseableHttpClient httpClient = HttpClients.createDefault();

    /* Prepare POST request */
    HttpPost httpPost = new HttpPost("http://www.example.com/api/customer");
    /* Add headers to POST request */
    httpPost.addHeader("Authorization", "value");
    httpPost.addHeader("Content-Type", "application/json");

    /* Prepare StringEntity from JSON */
    StringEntity jsonData = new StringEntity("{\"id\":\"123\", \"name\":\"Vicky Thakor\"}", "UTF-8");
    /* Body of request */
    httpPost.setEntity(jsonData);/*from ww w . ja  v a  2  s  .  c o m*/

    /* Response handler for after request execution */
    ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

        @Override
        public String handleResponse(HttpResponse httpResponse) throws ClientProtocolException, IOException {
            /* Get status code */
            int httpResponseCode = httpResponse.getStatusLine().getStatusCode();
            System.out.println("Response code: " + httpResponseCode);
            if (httpResponseCode >= 200 && httpResponseCode < 300) {
                /* Convert response to String */
                HttpEntity entity = httpResponse.getEntity();
                return entity != null ? EntityUtils.toString(entity) : null;
            } else {
                return null;
                /* throw new ClientProtocolException("Unexpected response status: " + httpResponseCode); */
            }
        }
    };

    try {
        /* Execute URL and attach after execution response handler */
        String strResponse = httpClient.execute(httpPost, responseHandler);
        /* Print the response */
        System.out.println("Response: " + strResponse);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.ny.apps.executor.httpclient.HttpRequestSender.java

public static void main(String[] args) throws ClientProtocolException, IOException {
    /*//from ww w  .java  2  s. c  o m
    CredentialsProvider credsProvider = new BasicCredentialsProvider();
    credsProvider.setCredentials(new AuthScope("localhost", 80), new UsernamePasswordCredentials("root", "123"));
    CloseableHttpClient client = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();
    */
    CloseableHttpClient client = HttpClients.createDefault();
    HttpGet httpGet = new HttpGet("http://www.baidu.com/");
    httpGet.setHeader("Authorization", "");
    logger.info("executing request " + httpGet.getURI());

    ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
        @Override
        public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
            // TODO ?
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode >= 200 && statusCode < 300) {
                HttpEntity entity = response.getEntity();
                return entity == null ? null : EntityUtils.toString(entity);
            } else {
                throw new ClientProtocolException("Unexpected response status: " + statusCode);
            }
        }
    };

    try {
        String responseBody = client.execute(httpGet, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
        System.out.println("----------------------------------------");
    } finally {
        client.close();
    }
}

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From source file:com.lxf.spider.client.ClientWithResponseHandler.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from   w w w  .j  a  va  2s .c  o m*/
        HttpGet httpget = new HttpGet("http://localhost/");

        System.out.println("Executing request " + httpget.getRequestLine());

        // Create a custom response handler
        ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

            public String handleResponse(final HttpResponse response)
                    throws ClientProtocolException, IOException {
                int status = response.getStatusLine().getStatusCode();
                if (status >= 200 && status < 300) {
                    HttpEntity entity = response.getEntity();
                    return entity != null ? EntityUtils.toString(entity) : null;
                } else {
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            }

        };
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
    } finally {
        httpclient.close();
    }
}

---

From source file:com.li.tools.httpclient.util.ClientWithResponseHandler.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from   w  w w.  j av a  2  s.  co m*/
        HttpGet httpget = new HttpGet("http://httpbin.org/");

        System.out.println("Executing request " + httpget.getRequestLine());

        // Create a custom response handler
        ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

            @Override
            public String handleResponse(final HttpResponse response)
                    throws ClientProtocolException, IOException {
                int status = response.getStatusLine().getStatusCode();
                if (status >= 200 && status < 300) {
                    HttpEntity entity = response.getEntity();
                    return entity != null ? EntityUtils.toString(entity) : null;
                } else {
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            }

        };
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
    } finally {
        httpclient.close();
    }
}

---

From source file:nl.knaw.dans.cmd2rdf.conversion.util.ClientWithResponseHandler.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {//from w w  w  .ja  va  2s  . c o  m
        HttpGet httpget = new HttpGet("http://localhost/");

        //System.out.println("Executing request " + httpget.getRequestLine());

        // Create a custom response handler
        ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

            public String handleResponse(final HttpResponse response)
                    throws ClientProtocolException, IOException {
                int status = response.getStatusLine().getStatusCode();
                if (status >= 200 && status < 300) {
                    HttpEntity entity = response.getEntity();
                    return entity != null ? EntityUtils.toString(entity) : null;
                } else {
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            }

        };
        String responseBody = httpclient.execute(httpget, responseHandler);
        //System.out.println("----------------------------------------");
        //System.out.println(responseBody);
    } finally {
        httpclient.close();
    }
}

---

From source file:interoperabilite.webservice.fluent.FluentResponseHandling.java

public static void main(String[] args) throws Exception {
    Document result = Request.Get("http://somehost/content").execute()
            .handleResponse(new ResponseHandler<Document>() {

                @Override//  w  w  w.  j av  a  2s .c om
                public Document handleResponse(final HttpResponse response) throws IOException {
                    StatusLine statusLine = response.getStatusLine();
                    HttpEntity entity = response.getEntity();
                    if (statusLine.getStatusCode() >= 300) {
                        throw new HttpResponseException(statusLine.getStatusCode(),
                                statusLine.getReasonPhrase());
                    }
                    if (entity == null) {
                        throw new ClientProtocolException("Response contains no content");
                    }
                    DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance();
                    try {
                        DocumentBuilder docBuilder = dbfac.newDocumentBuilder();
                        ContentType contentType = ContentType.getOrDefault(entity);
                        if (!contentType.equals(ContentType.APPLICATION_XML)) {
                            throw new ClientProtocolException("Unexpected content type:" + contentType);
                        }
                        Charset charset = contentType.getCharset();
                        if (charset == null) {
                            charset = Consts.ISO_8859_1;
                        }
                        return docBuilder.parse(entity.getContent(), charset.name());
                    } catch (ParserConfigurationException ex) {
                        throw new IllegalStateException(ex);
                    } catch (SAXException ex) {
                        throw new ClientProtocolException("Malformed XML document", ex);
                    }
                }

            });
    // Do something useful with the result
    System.out.println(result);
}

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