Java Code Examples for org.apache.commons.httpclient.methods.GetMethod#getResponseBody()

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    try {
        String urlString = req.getParameter("url");
        if (urlString != null) {
            HttpClient httpClient = new HttpClient();
            GetMethod getMethod = new GetMethod(urlString);
            httpClient.executeMethod(getMethod);
            String charSet = getMethod.getResponseCharSet();
            byte[] responseBody = getMethod.getResponseBody();
            resp.getWriter().println("response:\r\n" + new String(responseBody, charSet));
        }
    } catch (IOException e) {
        resp.getWriter().println(e);
    }
}
 

public void  get() throws UnsupportedEncodingException {
    HttpClient client = new HttpClient();
    String APIKEY = "4b441cb500f431adc6cc0cb650b4a5d0";
    String INFO =new URLCodec().encode("who are you","utf-8");
    String requesturl = "http://www.tuling123.com/openapi/api?key=" + APIKEY + "&info=" + INFO;
    GetMethod getMethod = new GetMethod(requesturl);
    try {
        int stat = client.executeMethod(getMethod);
        if (stat != HttpStatus.SC_OK)
           log.error("get失败！");
        byte[] responseBody = getMethod.getResponseBody();
        String content=new String(responseBody ,"utf-8");
        log.info(content);
    }catch (Exception e){
       log.error(""+e.getLocalizedMessage());
    }finally {
        getMethod.releaseConnection();
    }
}
 

/**
 * Retrieves the content under the given URL with username and passwort
 * authentication.
 * 
 * @param url
 * @param username
 * @param password
 * @return
 * @throws IOException
 */
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();
}
 

/**
 * 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();
}
 

/**
 * Issues a HTTP Get request to the provided url and returns the response
 * @param requestUrl the request url
 * @return the response
 * @throws IOException if there are problems with the http get request.
 */
byte[] httpGet(String requestUrl)
    throws IOException {
  GetMethod getMethod = new GetMethod(requestUrl);
  try {
    int responseCode = this.httpClient.executeMethod(getMethod);
    LOGGER.debug("Received response code: {} for the get request on the url: {}", responseCode, requestUrl);
    byte[] response = getMethod.getResponseBody();
    if (responseCode != HttpStatus.SC_OK) {
      throw new SamzaException(
          String.format("Received response code: %s for get request on: %s, with message: %s.", responseCode,
              requestUrl, StringUtils.newStringUtf8(response)));
    }
    return response;
  } finally {
    getMethod.releaseConnection();
  }
}
 

/**
 * This method initiates http get request on the request url and returns the
 * response returned from the http get.
 * @param requestUrl url on which the http get request has to be performed.
 * @return the http get response.
 * @throws IOException if there are problems with the http get request.
 */
private byte[] httpGet(String requestUrl) throws IOException {
  GetMethod getMethod = new GetMethod(requestUrl);
  try {
    int responseCode = httpClient.executeMethod(getMethod);
    LOG.debug("Received response code: {} for the get request on the url: {}", responseCode, requestUrl);
    byte[] response = getMethod.getResponseBody();
    if (responseCode != HttpStatus.SC_OK) {
      throw new SamzaException(String.format("Received response code: %s for get request on: %s, with message: %s.",
                                             responseCode, requestUrl, StringUtils.newStringUtf8(response)));
    }
    return response;
  } finally {
    getMethod.releaseConnection();
  }
}
 

/**
 * 从配置管理WEB服务器下载规则（json表示）
 *
 * @param url 配置管理WEB服务器下载规则的地址
 * @return json字符串
 */
private String downJson(String url) {
    // 构造HttpClient的实例
    HttpClient httpClient = new HttpClient();
    // 创建GET方法的实例
    GetMethod method = new GetMethod(url);
    try {
        // 执行GetMethod
        int statusCode = httpClient.executeMethod(method);
        LOGGER.info("响应代码：" + statusCode);
        if (statusCode != HttpStatus.SC_OK) {
            LOGGER.error("请求失败: " + method.getStatusLine());
        }
        // 读取内容
        String responseBody = new String(method.getResponseBody(), "utf-8");
        return responseBody;
    } catch (IOException e) {
        LOGGER.error("检查请求的路径：" + url, e);
    } finally {
        // 释放连接
        method.releaseConnection();
    }
    return "";
}
 

private String getTenantName(String organizationId) {
	try {
		OAuth2Client oauth2Client = new OAuth2Client();

		String token = oauth2Client.getAdminToken();

		HttpClient httpClient = oauth2Client.getHttpClient();
		String url = config.getProperty("REST_BASE_URL") + config.getProperty("ORGANIZATION_INFO_PATH") + organizationId;
		GetMethod httpget = new GetMethod(url);
		httpget.addRequestHeader("X-Auth-Token", token);

		int statusCode = httpClient.executeMethod(httpget);
		byte[] response = httpget.getResponseBody();
		if (statusCode != HttpStatus.SC_OK) {
			logger.error("Error while getting the name of organization with id [" + organizationId + "]: server returned statusCode = " + statusCode);
			LogMF.error(logger, "Server response is:\n{0}", new Object[] { new String(response) });
			throw new SpagoBIRuntimeException(
					"Error while getting the name of organization with id [" + organizationId + "]: server returned statusCode = " + statusCode);
		}

		String responseStr = new String(response);
		LogMF.debug(logger, "Server response is:\n{0}", responseStr);
		JSONObject jsonObject = new JSONObject(responseStr);

		return jsonObject.getJSONObject("project").getString("name");
	} catch (Exception e) {
		throw new SpagoBIRuntimeException("Error while trying to obtain tenant' name from IdM REST API", e);
	} finally {
		logger.debug("OUT");
	}
}
 

/**
 * get CSV file from remote Url
 *
 * @param url
 * @return
 * @throws HttpException
 * @throws IOException
 */
byte[] getCSVFile(String url) throws HttpException, IOException {
	logger.debug("IN");
	HttpClient client = new HttpClient();
	HttpConnectionManager conManager = client.getHttpConnectionManager();

	// Cancel, proxy settings made on server
	// logger.debug("Setting proxy");
	// client.getHostConfiguration().setProxy("192.168.10.1", 3128);
	// HttpState state = new HttpState();
	// state.setProxyCredentials(null, null, new UsernamePasswordCredentials("", ""));
	// client.setState(state);
	// logger.debug("proxy set");
	// cancel

	GetMethod httpGet = new GetMethod(url);
	int statusCode = client.executeMethod(httpGet);
	logger.debug("Status code after request to remote URL is " + statusCode);
	byte[] response = httpGet.getResponseBody();

	if (response == null) {
		logger.warn("Response of remote URL is empty");
	}

	httpGet.releaseConnection();
	logger.debug("OUT");
	return response;
}
 

private static JSONObject getRolesAsJson() {
	try {

		OAuth2Client oauth2Client = new OAuth2Client();

		Properties config = OAuth2Config.getInstance().getConfig();

		// Retrieve the admin's token for REST services authentication
		String token = oauth2Client.getAdminToken();

		HttpClient httpClient = oauth2Client.getHttpClient();

		// Get roles of the application (specified in the
		// oauth2.config.properties)
		String url = config.getProperty("REST_BASE_URL") + config.getProperty("ROLES_PATH") + "?application_id=" + config.getProperty("APPLICATION_ID");
		GetMethod httpget = new GetMethod(url);
		httpget.addRequestHeader("X-Auth-Token", token);

		int statusCode = httpClient.executeMethod(httpget);
		byte[] response = httpget.getResponseBody();
		if (statusCode != HttpStatus.SC_OK) {
			logger.error("Error while getting application information from IdM REST API: server returned statusCode = " + statusCode);
			LogMF.error(logger, "Server response is:\n{0}", new Object[] { new String(response) });
			throw new SpagoBIRuntimeException("Error while getting application information from IdM REST API: server returned statusCode = " + statusCode);
		}

		String responseStr = new String(response);
		LogMF.debug(logger, "Server response is:\n{0}", responseStr);
		JSONObject jsonObject = new JSONObject(responseStr);

		return jsonObject;

	} catch (Exception e) {
		throw new SpagoBIRuntimeException("Error while getting roles list from OAuth2 provider", e);
	}

}
 

private TestRailResponse httpGetInt(String path) throws IOException {
    TestRailResponse result;
    GetMethod get = new GetMethod(host + "/" + path);
    HttpClient httpclient = setUpHttpClient(get);

    try {
        Integer status = httpclient.executeMethod(get);
        String body = new String(get.getResponseBody(), get.getResponseCharSet());
        result = new TestRailResponse(status, body);
    } finally {
        get.releaseConnection();
    }

    return result;
}
 

public byte[] getAsByte(String url) throws IOException {
//        clearCookies();
        GetMethod g = new GetMethod(url);
        hc.executeMethod(g);
        return g.getResponseBody();
    }
 

private List<String> getTenants() {
	logger.debug("IN");
	List<String> tenants = new ArrayList<>();

	try {
		OAuth2Client oauth2Client = new OAuth2Client();

		Properties config = OAuth2Config.getInstance().getConfig();

		// Retrieve the admin's token for REST services authentication
		String token = oauth2Client.getAdminToken();

		HttpClient httpClient = oauth2Client.getHttpClient();

		// Get roles of the application (specified in the
		// oauth2.config.properties)
		String url = config.getProperty("REST_BASE_URL") + "users/" + config.getProperty("ADMIN_ID") + "/projects";
		GetMethod httpget = new GetMethod(url);
		httpget.addRequestHeader("X-Auth-Token", token);

		int statusCode = httpClient.executeMethod(httpget);
		byte[] response = httpget.getResponseBody();
		if (statusCode != HttpStatus.SC_OK) {
			logger.error("Error while getting organizations from OAuth2 provider: server returned statusCode = " + statusCode);
			LogMF.error(logger, "Server response is:\n{0}", new Object[] { new String(response) });
			throw new SpagoBIRuntimeException("Error while getting organizations from OAuth2 provider: server returned statusCode = " + statusCode);
		}

		String responseStr = new String(response);
		LogMF.debug(logger, "Server response is:\n{0}", responseStr);
		JSONObject jsonObject = new JSONObject(responseStr);
		JSONArray organizationsList = jsonObject.getJSONArray("projects");

		for (int i = 0; i < organizationsList.length(); i++) {
			if (!organizationsList.getJSONObject(i).has("is_default")) {
				String organizationId = organizationsList.getJSONObject(i).getString("id");
				String organizationName = getTenantName(organizationId);

				tenants.add(organizationName);

			}
		}

		return tenants;
	} catch (Exception e) {
		throw new SpagoBIRuntimeException("Error while trying to obtain tenants' informations from OAuth2 provider", e);
	} finally {
		logger.debug("OUT");
	}
}
 

public byte[] getAsByte(String url) throws IOException {
//        clearCookies();
        GetMethod g = new GetMethod(url);
        hc.executeMethod(g);
        return g.getResponseBody();
    }