Java HttpClient.executeMethod方法代码示例

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
@Override
public HttpResponse get(URL urlObj, String userName, String password, int timeout) {
  HttpClient client = new HttpClient();
  HttpMethod method = new GetMethod(urlObj.toString());

  client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
      new DefaultHttpMethodRetryHandler());
  client.getParams().setSoTimeout(1000 * timeout);
  client.getParams().setConnectionManagerTimeout(1000 * timeout);
  if (userName != null && password != null) {
    setBasicAuthorization(method, userName, password);
  }
  try {
    int response = client.executeMethod(method);
    return new HttpResponse(response, method.getResponseBody());
  } catch (IOException e) {
    throw new RuntimeException("Failed to get " + urlObj.toString(), e);
  } finally {
    method.releaseConnection();
  }
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public void chcekConnectionStatus() throws IOException {

        HttpClient httpClient = new HttpClient();
        //TODO : add connection details while testing only,remove it once done
        String teradatajson = "{\"username\":\"\",\"password\":\"\",\"hostname\":\"\",\"database\":\"\",\"dbtype\":\"\",\"port\":\"\"}";
        PostMethod postMethod = new PostMethod("http://" + HOST_NAME + ":" + PORT + "/getConnectionStatus");

        //postMethod.addParameter("request_parameters", redshiftjson);
        postMethod.addParameter("request_parameters", teradatajson);

        int response = httpClient.executeMethod(postMethod);
        InputStream inputStream = postMethod.getResponseBodyAsStream();

        byte[] buffer = new byte[1024 * 1024 * 5];
        String path = null;
        int length;
        while ((length = inputStream.read(buffer)) > 0) {
            path = new String(buffer);
        }
        System.out.println("Response of service: " + path);
        System.out.println("==================");
    }
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
/**
 * Retrieves the content under the given URL with username and passwort
 * authentication.
 * 
 * @param url
 *            the URL to read
 * @param username
 * @param password
 * @return the read content.
 * @throws IOException
 *             if an I/O exception occurs.
 */
private static byte[] getUrlContent(URL url, String username,
        String password) throws IOException {
    final HttpClient client = new HttpClient();

    // Set credentials:
    client.getParams().setAuthenticationPreemptive(true);
    final Credentials credentials = new UsernamePasswordCredentials(
            username, password);
    client.getState()
            .setCredentials(
                    new AuthScope(url.getHost(), url.getPort(),
                            AuthScope.ANY_REALM), credentials);

    // Retrieve content:
    final GetMethod method = new GetMethod(url.toString());
    final int status = client.executeMethod(method);
    if (status != HttpStatus.SC_OK) {
        throw new IOException("Error " + status + " while retrieving "
                + url);
    }
    return method.getResponseBody();
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public static final String httpClientPost(String url, ArrayList<NameValuePair> list) {
	String result = "";
	HttpClient client = new HttpClient();
	PostMethod postMethod = new PostMethod(url);
	try {
		NameValuePair[] params = new NameValuePair[list.size()];
		for (int i = 0; i < list.size(); i++) {
			params[i] = list.get(i);
		}
		postMethod.addParameters(params);
		client.executeMethod(postMethod);
		result = postMethod.getResponseBodyAsString();
	} catch (Exception e) {
		logger.error(e);
	} finally {
		postMethod.releaseConnection();
	}
	return result;
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
/**
 * 同步客户端3.X版本
 * 
 * @return
 */
@GET
@Path("httpclient3test")
public String httpClient3Test() {

    HttpClient httpClient = new HttpClient();
    HttpMethod method = new GetMethod("https://www.baidu.com/");

    try {
        httpClient.executeMethod(method);
        System.out.println(method.getURI());
        System.out.println(method.getStatusLine());
        System.out.println(method.getName());
        System.out.println(method.getResponseHeader("Server").getValue());
        System.out.println(method.getResponseBodyAsString());
    }
    catch (Exception e) {
        e.printStackTrace();
    }

    return "httpClient3 test success";
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public List<DataPoint> getData ( final String item, final String type, final Date from, final Date to, final Integer number ) throws Exception
{
    final HttpClient client = new HttpClient ();
    final HttpMethod method = new GetMethod ( this.baseUrl + "/" + URLEncoder.encode ( item, "UTF-8" ) + "/" + URLEncoder.encode ( type, "UTF-8" ) + "?from=" + URLEncoder.encode ( Utils.isoDateFormat.format ( from ), "UTF-8" ) + "&to=" + URLEncoder.encode ( Utils.isoDateFormat.format ( to ), "UTF-8" ) + "&no=" + number );
    client.getParams ().setSoTimeout ( (int)this.timeout );
    try
    {
        final int status = client.executeMethod ( method );
        if ( status != HttpStatus.SC_OK )
        {
            throw new RuntimeException ( "Method failed with error " + status + " " + method.getStatusLine () );
        }
        return Utils.fromJson ( method.getResponseBodyAsString () );
    }
    finally
    {
        method.releaseConnection ();
    }
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
/**
 * Execute the request with the request and response logged at debug level
 * @param method method to execute
 * @param client client to use
 * @param <M> method type
 * @return the status code
 * @throws IOException any failure reported by the HTTP client.
 */
private <M extends HttpMethod> int execWithDebugOutput(M method,
                                                       HttpClient client) throws
        IOException {
  if (LOG.isDebugEnabled()) {
    StringBuilder builder = new StringBuilder(
            method.getName() + " " + method.getURI() + "\n");
    for (Header header : method.getRequestHeaders()) {
      builder.append(header.toString());
    }
    LOG.debug(builder);
  }
  int statusCode = client.executeMethod(method);
  if (LOG.isDebugEnabled()) {
    LOG.debug("Status code = " + statusCode);
  }
  return statusCode;
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
    HttpClient client = new HttpClient();

    // pass our credentials to HttpClient, they will only be used for
    // authenticating to servers with realm "realm" on the host
    // "www.verisign.com", to authenticate against
    // an arbitrary realm or host change the appropriate argument to null.
    client.getState().setCredentials(
        new AuthScope("www.verisign.com", 443, "realm"),
        new UsernamePasswordCredentials("username", "password")
    );

    // create a GET method that reads a file over HTTPS, we're assuming
    // that this file requires basic authentication using the realm above.
    GetMethod get = new GetMethod("https://www.verisign.com/products/index.html");

    // Tell the GET method to automatically handle authentication. The
    // method will use any appropriate credentials to handle basic
    // authentication requests.  Setting this value to false will cause
    // any request for authentication to return with a status of 401.
    // It will then be up to the client to handle the authentication.
    get.setDoAuthentication( true );

    try {
        // execute the GET
        int status = client.executeMethod( get );

        // print the status and response
        System.out.println(status + "\n" + get.getResponseBodyAsString());

    } finally {
        // release any connection resources used by the method
        get.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
private MCRContent getResponse(String queryURL) throws HttpException, IOException {
    //prepare http client
    HttpClient client = new HttpClient();
    
    //prepare GET-request
    connection = new GetMethod(queryURL);

    //execute request, get response from API and return as stream
    client.executeMethod(connection);
    InputStream response = connection.getResponseBodyAsStream();
    return new MCRStreamContent(response);
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public MCRStreamContent getResponse(String queryURL) throws IOException {
    //prepare http client
    HttpClient client = new HttpClient();

    //prepare GET-request
    connection = new GetMethod(queryURL);

    //execute request, get response from API and return as stream
    client.executeMethod(connection);
    InputStream response = connection.getResponseBodyAsStream();
    return new MCRStreamContent(response);
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
  if (args.length != 1)  {
      System.out.println("Usage: ChunkEncodedPost <file>");
      System.out.println("<file> - full path to a file to be posted");
      System.exit(1);
  }
  HttpClient client = new HttpClient();

  PostMethod httppost = new PostMethod("http://localhost:8080/httpclienttest/body");

  File file = new File(args[0]);

  httppost.setRequestEntity(new InputStreamRequestEntity(new FileInputStream(file)));
  httppost.setContentChunked(true);

  try {
      client.executeMethod(httppost);

      if (httppost.getStatusCode() == HttpStatus.SC_OK) {
          System.out.println(httppost.getResponseBodyAsString());
      } else {
        System.out.println("Unexpected failure: " + httppost.getStatusLine().toString());
      }
  } finally {
      httppost.releaseConnection();
  }   
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
private HttpMethod executeQuery(FederatedSearch sruSearch, String query, SRUSettings settings, int offset,
	int perpage) throws IOException
{
	HttpMethod httpMethod = null;

	try
	{
		// URL includes the port (if any) we trust ...
		URL url = new URL(settings.getUrl());
		PostMethod postMethod = new PostMethod(url.toExternalForm());
		NameValuePair[] nameValuePairs = populateNameValuePairs(query, settings, offset, perpage);
		postMethod.addParameters(nameValuePairs);
		httpMethod = postMethod;
	}
	catch( Exception e )
	{
		throw new RuntimeException(e);
	}

	HttpClient httpClient = new HttpClient();
	httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(sruSearch.getTimeout() * 1000);
	httpClient.getHttpConnectionManager().getParams().setSoTimeout(sruSearch.getTimeout() * 1000);
	// Prevent the default 3 tries - so once is enough ...?
	httpClient.getHttpConnectionManager().getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
		new DefaultHttpMethodRetryHandler(0, false));

	httpClient.executeMethod(httpMethod);

	return httpMethod;
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
/**
 *
 * Usage:
 *          java PostXML http://mywebserver:80/ c:\foo.xml
 *
 *  @param args command line arguments
 *                 Argument 0 is a URL to a web server
 *                 Argument 1 is a local filename
 *
 */
public static void main(String[] args) throws Exception {
    if (args.length != 2) {
        System.out.println("Usage: java -classpath <classpath> [-Dorg.apache.commons.logging.simplelog.defaultlog=<loglevel>] PostXML <url> <filename>]");
        System.out.println("<classpath> - must contain the commons-httpclient.jar and commons-logging.jar");
        System.out.println("<loglevel> - one of error, warn, info, debug, trace");
        System.out.println("<url> - the URL to post the file to");
        System.out.println("<filename> - file to post to the URL");
        System.out.println();
        System.exit(1);
    }
    // Get target URL
    String strURL = args[0];
    // Get file to be posted
    String strXMLFilename = args[1];
    File input = new File(strXMLFilename);
    // Prepare HTTP post
    PostMethod post = new PostMethod(strURL);
    // Request content will be retrieved directly
    // from the input stream
    RequestEntity entity = new FileRequestEntity(input, "text/xml; charset=ISO-8859-1");
    post.setRequestEntity(entity);
    // Get HTTP client
    HttpClient httpclient = new HttpClient();
    // Execute request
    try {
        int result = httpclient.executeMethod(post);
        // Display status code
        System.out.println("Response status code: " + result);
        // Display response
        System.out.println("Response body: ");
        System.out.println(post.getResponseBodyAsString());
    } finally {
        // Release current connection to the connection pool once you are done
        post.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public void calltoFilterService() throws IOException {

        HttpClient httpClient = new HttpClient();

        // String json =
        // "{\"condition\":\"abc\",\"schema\":[{\"fieldName\":\"f1\",\"dateFormat\":\"\",\"dataType\":\"1\",\"scale\":\"scale\",\"dataTypeValue\":\"java.lang.String\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"},{\"fieldName\":\"f2\",\"dateFormat\":\"\",\"dataType\":1,\"scale\":\"scale\",\"dataTypeValue\":\"java.util.Date\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"},{\"fieldName\":\"f3\",\"dateFormat\":\"\",\"dataType\":1,\"scale\":\"scale\",\"dataTypeValue\":\"java.util.Date\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"},{\"fieldName\":\"f4\",\"dateFormat\":\"\",\"dataType\":1,\"scale\":\"scale\",\"dataTypeValue\":\"java.math.BigDecimal\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"}],\"fileSize\":1,\"jobDetails\":{\"host\":\"127.0.0.1\",\"port\":\"8005\",\"username\":\"hduser\",\"password\":\"Bitwise2012\",\"basepath\":\"C:/Users/santlalg/git/Hydrograph/hydrograph.engine/hydrograph.engine.command-line\",\"uniqueJobID\":\"debug_job\",\"componentID\":\"input\",\"componentSocketID\":\"out0\",\"isRemote\":false}}";
        String json = "{\"condition\":\"(f1 LIKE 'should')\",\"schema\":[{\"fieldName\":\"f1\",\"dateFormat\":\"\",\"dataType\":\"1\",\"scale\":\"scale\",\"dataTypeValue\":\"java.lang.String\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"},{\"fieldName\":\"f2\",\"dateFormat\":\"\",\"dataType\":1,\"scale\":\"scale\",\"dataTypeValue\":\"java.util.Date\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"},{\"fieldName\":\"f3\",\"dateFormat\":\"\",\"dataType\":1,\"scale\":\"scale\",\"dataTypeValue\":\"java.lang.Float\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"},{\"fieldName\":\"f4\",\"dateFormat\":\"\",\"dataType\":1,\"scale\":\"scale\",\"dataTypeValue\":\"java.lang.Double\",\"scaleType\":1,\"scaleTypeValue\":\"scaleTypeValue\",\"precision\":\"precision\",\"description\":\"description\"}],\"fileSize\":"
                + FILE_SIZE_TO_READ + ",\"jobDetails\":{\"host\":\"" + HOST_NAME + "\",\"port\":\"" + PORT
                + "\",\"username\":\"" + USER_ID + "\",\"password\":\"" + PASSWORD + "\",\"basepath\":\"" + BASE_PATH
                + "\",\"uniqueJobID\":\"" + JOB_ID + "\",\"componentID\":\"" + COMPONENT_ID
                + "\",\"componentSocketID\":\"" + SOCKET_ID + "\",\"isRemote\":false}}";

        PostMethod postMethod = new PostMethod("http://" + HOST_NAME + ":" + PORT + "/filter");

        postMethod.addParameter("request_parameters", json);

        int response = httpClient.executeMethod(postMethod);
        InputStream inputStream = postMethod.getResponseBodyAsStream();

        byte[] buffer = new byte[1024 * 1024 * 5];
        String path = null;
        int length;
        while ((length = inputStream.read(buffer)) > 0) {
            path = new String(buffer);
        }
        System.out.println("response of service: " + path);
    }
 

import org.apache.commons.httpclient.HttpClient; //导入方法依赖的package包/类
public MirrorGateResponse makeRestCallPost(String url, String jsonString, String user, String password) {

        MirrorGateResponse response;
        PostMethod post = new PostMethod(url);
        try {
            HttpClient client = getHttpClient();

            if (user != null && password != null) {
                client.getState().setCredentials(
                        AuthScope.ANY,
                        new UsernamePasswordCredentials(user, password));
                post.setDoAuthentication(true);
            }

            StringRequestEntity requestEntity = new StringRequestEntity(
                    jsonString,
                    "application/json",
                    "UTF-8");
            post.setRequestEntity(requestEntity);
            int responseCode = client.executeMethod(post);
            String responseString = post.getResponseBodyAsStream() != null ?
                    getResponseString(post.getResponseBodyAsStream()) : "";
            response = new MirrorGateResponse(responseCode, responseString);
        } catch (IOException e) {
            LOGGER.log(Level.SEVERE, "MirrorGate: Error posting to MirrorGate", e);
            response = new MirrorGateResponse(HttpStatus.SC_BAD_REQUEST, "");
        } finally {
            post.releaseConnection();
        }
        return response;
    }