import org.apache.http.HttpEntity;
	import org.apache.http.NameValuePair;
	import org.apache.http.client.entity.UrlEncodedFormEntity;
	import org.apache.http.client.methods.CloseableHttpResponse;
	import org.apache.http.client.methods.HttpGet;
	import org.apache.http.impl.client.CloseableHttpClient;
	import org.apache.http.impl.client.HttpClients;
	import org.apache.http.message.BasicNameValuePair;
	import org.apache.http.util.EntityUtils;
	
	import java.io.IOException;
	import java.io.InputStream;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	
	/**
	 * Java code sample for SMS HTTP API
	 * SMS Sending API
	 * Based on Apache HttpClient 4.X
	 */
	
	public class JavaSmsApi {
	
		// Encoding format. Use UTF-8 for all transmissions
		private static String ENCODING = "UTF-8";
	
		// SMS sending URL
		private static String URI_GET_SEND_SMS = "https://api.paasoo.com/json";
	
		public static void main(String[] args) throws Exception {
			String key = "********";
			String secret = "********";
			String from = "********";
			String to = "********";
			String text = "********";
	
			/**************** SMS Sending API invocation sample *****************/
			System.out.println(JavaSmsApi.getSendSms(key, secret, from, to, text));
		}
	
		/**
		 * Send SMS
		 *
		 * @param key       API Account
		 * @param secret    API Password
		 * @param from      SenderID
		 * @param to        Destination Number
		 * @param text      Message Content
		 * @return json     Format String
		 * @throws Exception
		 */
	
		public static String getSendSms(String key, String secret, String from, String to, String text) throws Exception {
			Map<String, String> params = new HashMap<String, String>();
			params.put("key", key);
			params.put("secret", secret);
			params.put("from", from);
			params.put("to", to);
			params.put("text", text);
			return get(URI_GET_SEND_SMS, params);
		}
		/**
		 * Generic GET method based on HttpClient 4.X
		 *
		 * @param url        Submitted URL
		 * @param paramsMap  Submitted <Parameter, Value> Map
		 * @return           Submission Response
		 */
		public static String get(String url, Map<String, String> paramsMap) throws Exception {
			CloseableHttpClient httpClient = HttpClients.createDefault();
			CloseableHttpResponse response = null;
			InputStream is = null;
			try {
				List<NameValuePair> params = new ArrayList<NameValuePair>();
				for (Map.Entry<String, String> param : paramsMap.entrySet()) {
					NameValuePair pair = new BasicNameValuePair(param.getKey(), param.getValue());
					params.add(pair);
				}
				String str = EntityUtils.toString(new UrlEncodedFormEntity(params, ENCODING));
				HttpGet httpGet = new HttpGet(url + "?" + str);
				response = httpClient.execute(httpGet);
				HttpEntity entity = response.getEntity();
				String result = EntityUtils.toString(entity);
				return result;
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				if (is != null) {
					try {
						is.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
				if (response != null) {
					try {
						response.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
				if (httpClient != null) {
					try {
						httpClient.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			}
			return null;
		}
	}