com.falkonry.client.service.HttpService Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of client Show documentation
Falkonry Java Client to access Condition Prediction APIs.
There is a newer version: 2.1.1
package com.falkonry.client.service;

/*!
 * falkonry-java-client
 * Copyright(c) 2017 Falkonry Inc
 * MIT Licensed
 */

import com.falkonry.helper.models.HttpResponseFormat;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.conn.ssl.SSLSocketFactory;
import javax.net.ssl.SSLContext;

/**
 *
 */
public class HttpService {

	private String host;
	private String token;
	private String user_agent = "falkonry/java-client";

	/**
	 *
	 * @param host
	 * @param token
	 * @throws Exception
	 */
	public HttpService(String host, String token) throws Exception {

		// for localhost testing only
		/*javax.net.ssl.HttpsURLConnection.setDefaultHostnameVerifier(new javax.net.ssl.HostnameVerifier() {

			public boolean verify(String hostname, javax.net.ssl.SSLSession sslSession) {
				if (hostname.equals("localhost")) {
					return true;
				}
				return false;
			}
		});*/

		this.host = (host == null) ? "https://sandbox.falkonry.ai" : host;
		try {
			this.token = token;
		} catch (Exception e) {
			throw new Exception("Invalid token");
		}
	}

	/**
	 *
	 * @param path
	 * @return
	 * @throws Exception
	 */
	public String get(String path) throws Exception {
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}

		BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	}

	/**
	 *
	 * @param path
	 * @param data
	 * @return
	 * @throws Exception
	 */
	public String post(String path, String data) throws Exception {
		String url = this.host + path;

		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("POST");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Content-Type", "application/json");
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		con.setDoOutput(true);
		DataOutputStream wr = new DataOutputStream(con.getOutputStream());
		wr.writeBytes(data);
		wr.flush();
		wr.close();
		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		InputStream is = con.getInputStream();
		BufferedReader in = new BufferedReader(new InputStreamReader(is));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	}

	/**
	 *
	 * @param path
	 * @param data
	 * @return
	 * @throws Exception
	 */
	public String postData(String path, String data) throws Exception {
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("POST");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Content-Type", "text/plain");
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		con.setDoOutput(true);
		DataOutputStream wr = new DataOutputStream(con.getOutputStream());
		wr.writeBytes(data);
		wr.flush();
		wr.close();
		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		InputStream is = con.getInputStream();
		BufferedReader in = new BufferedReader(new InputStreamReader(is));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	}

	/**
	 *
	 * @param path
	 * @param data
	 * @return
	 * @throws Exception
	 */
	public String put(String path, String data) throws Exception {
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("PUT");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Content-Type", "application/json");
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		con.setDoOutput(true);
		DataOutputStream wr = new DataOutputStream(con.getOutputStream());
		wr.writeBytes(data);
		wr.flush();
		wr.close();

		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	
	}

	/**
	 *
	 * @param path
	 * @return
	 * @throws Exception
	 */
	public String delete(String path) throws Exception {
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("DELETE");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	}

	/**
	 *
	 * @param path
	 * @param params
	 * @param stream
	 * @return
	 * @throws Exception
	 */
	public String sfpost(String path, Map params, InputStream stream) throws Exception {
		String url = this.host + path;
		String tempFileName;
		CloseableHttpClient httpClient = HttpClients.createDefault();
		HttpPost httpPost = new HttpPost(url);
		httpPost.addHeader("User-Agent", this.user_agent);
		httpPost.addHeader("Authorization", "Bearer " + this.token);
		httpPost.addHeader("x-falkonry-source", "falkonry-java-client");

		MultipartEntityBuilder builder = MultipartEntityBuilder.create();
		builder.addTextBody("name", params.get("name"));
		builder.addTextBody("timeIdentifier", params.get("timeIdentifier"));
		builder.addTextBody("timeFormat", params.get("timeFormat"));

		if (stream != null) {
			tempFileName = "input-" + Math.random() + "." + params.get("fileFormat");
			String content_type = "text/" + params.get("fileFormat");
			builder.addBinaryBody("data", stream, ContentType.create(content_type), tempFileName);
		}

		HttpEntity multipart = builder.build();
		httpPost.setEntity(multipart);

		CloseableHttpResponse closeableHttpResponse = httpClient.execute(httpPost);
		int responseCode = closeableHttpResponse.getStatusLine().getStatusCode();
		if (responseCode >= 400) {
			String responseMessage = closeableHttpResponse.getStatusLine().getReasonPhrase();
			throw new FalkonryException(responseMessage);
		}
		HttpEntity responseEntity = closeableHttpResponse.getEntity();

		InputStream is = responseEntity.getContent();
		BufferedReader in = new BufferedReader(new InputStreamReader(is));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	}

	/**
	 *
	 * @param path
	 * @param data
	 * @return
	 * @throws Exception
	 */
	public String upstream(String path, byte[] data) throws Exception {
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("POST");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Content-Type", "text/plain");
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		con.setDoOutput(true);
		DataOutputStream wr = new DataOutputStream(con.getOutputStream());
		wr.write(data);
		wr.flush();
		wr.close();

		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		return response.toString();
	}

	/**
	 *
	 * @param path
	 * @return
	 * @throws Exception
	 */
	public BufferedReader downstream(String path) throws Exception {
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

		return in;
	}

	/**
	 *
	 * @param path
	 * @param responseFormat
	 * @return
	 */
	public HttpResponseFormat getOutput(String path, String responseFormat) throws Exception {

		HttpResponseFormat httpResponseFormat = new HttpResponseFormat();
		String url = this.host + path;
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", this.user_agent);
		con.setRequestProperty("Authorization", "Bearer " + this.token);
		con.setRequestProperty("Content-Type", "application/json");
		con.setRequestProperty("Accept", responseFormat);
		con.setRequestProperty("x-falkonry-source", "falkonry-java-client");
		int responseCode = con.getResponseCode();
		if (responseCode >= 400) {
			InputStream errorStream = con.getErrorStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();
			throw new FalkonryException(response.toString());
		}
		BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}

		in.close();

		httpResponseFormat.setResponse(response.toString());
		httpResponseFormat.setStatusCode(responseCode);
		return httpResponseFormat;
	}
}