content: /**
   * ﻿Copyright (C) 2007 - 2019 52°North Initiative for Geospatial Open Source
   * Software GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *       • Apache License, version 2.0
   *       • Apache Software License, version 1.0
   *       • GNU Lesser General Public License, version 3
   *       • Mozilla Public License, versions 1.0, 1.1 and 2.0
   *       • Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
   * Public License for more details.
   */
  package org.n52.wps.test;
  
  import static org.junit.Assert.assertTrue;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.OutputStreamWriter;
  import java.io.UnsupportedEncodingException;
  import java.net.HttpURLConnection;
  import java.net.URL;
  import java.net.URLConnection;
  import java.net.URLEncoder;
  import java.util.LinkedList;
  import java.util.List;
  
  import com.google.common.base.Joiner;
  
  public class PostClient {
  
      public String buildRequest(String value) throws UnsupportedEncodingException {
  
          String data = URLEncoder.encode("operation", "UTF-8") + "=" + URLEncoder.encode("process", "UTF-8");
          data += "&" + URLEncoder.encode("payload", "UTF-8") + "=" + URLEncoder.encode(value, "UTF-8");
  
          return data;
      }
  
      public static String sendRequest(String targetURL, String payload) throws IOException {
          // Construct data
          String payloadP = URLEncoder.encode(payload, "UTF-8");
  
          payloadP = "request=" + payloadP;
  
          InputStream in = sendRequestForInputStream(targetURL, payloadP);
          
          // Get the response
          BufferedReader rd = new BufferedReader(new InputStreamReader(in));
          List<String> lines= new LinkedList<String>();
          String line;
          while ( (line = rd.readLine()) != null) {
              lines.add(line);
          }
          rd.close();
          return Joiner.on('\n').join(lines);
      }
  
      public static InputStream sendRequestForInputStream(String targetURL, String payload) throws IOException {
          // Send data
          URL url = new URL(targetURL);
  
          URLConnection conn = url.openConnection();
  
          conn.setDoOutput(true);
  
          OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
  
          wr.write(payload);
          wr.close();
  
          return conn.getInputStream();
  
      }
      
      public static void checkForExceptionReport(String targetURL, String payload, int expectedHTTPStatusCode, String... expectedExceptionParameters) throws IOException{
          // Send data
          URL url = new URL(targetURL);
  
          URLConnection conn = url.openConnection();
  
          conn.setDoOutput(true);
  
          OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
  
          wr.write(payload);
          wr.close();
  
          try {            
              conn.getInputStream();			
  		} catch (IOException e) {
  			/*
  			 * expected, ignore
  			 */			
  		}
      	
          InputStream error = ((HttpURLConnection) conn).getErrorStream();
          
          String exceptionReport = "";
          
          int data = error.read();
          while (data != -1) {
          	exceptionReport = exceptionReport + (char)data;
              data = error.read();
          }
          error.close();
          assertTrue(((HttpURLConnection) conn).getResponseCode() == expectedHTTPStatusCode);    
          
          for (String expectedExceptionParameter : expectedExceptionParameters) {
              
              assertTrue(exceptionReport.contains(expectedExceptionParameter)); 
  			
  		}   
      }
  }
  