--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/mpiwg/itgroup/ismi/utils/HTTPUtils.java	Wed Oct 29 14:00:28 2014 +0000
@@ -0,0 +1,177 @@
+package de.mpiwg.itgroup.ismi.utils;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLConnection;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.X509Certificate;
+
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.apache.commons.io.IOUtils;
+import org.w3c.dom.Document;
+
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+
+public class HTTPUtils {
+
+
+	public static Document getDocument(String link){
+		try {
+			Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(link);
+			return doc;
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+	
+	public static String getResponse(String link) throws IOException{
+        
+		URL url = new URL(link);
+        URLConnection uc = url.openConnection();
+        BufferedReader in = new BufferedReader(
+                                new InputStreamReader(
+                                uc.getInputStream()));
+        String inputLine;
+        StringBuilder sb = new StringBuilder();
+        while ((inputLine = in.readLine()) != null) 
+            sb.append(inputLine);
+        in.close();
+        
+        return null;
+	}
+	
+	
+    final static TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
+        @Override
+        public void checkClientTrusted( final X509Certificate[] chain, final String authType ) {
+        }
+        @Override
+        public void checkServerTrusted( final X509Certificate[] chain, final String authType ) {
+        }
+        @Override
+        public X509Certificate[] getAcceptedIssuers() {
+            return null;
+        }
+    } };
+
+	public static HttpResponse getHttpSSLResponse(String link) throws IOException, KeyManagementException, NoSuchAlgorithmException{
+	    
+	    // Install the all-trusting trust manager
+	    final SSLContext sslContext = SSLContext.getInstance( "SSL" );
+	    sslContext.init( null, trustAllCerts, new java.security.SecureRandom() );
+	    // Create an ssl socket factory with our all-trusting manager
+	    final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
+
+	    /////
+		
+		URL url = new URL(link);
+		HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
+		
+		( (HttpsURLConnection) httpConn ).setSSLSocketFactory( sslSocketFactory );
+
+        
+		InputStream in;
+        if (httpConn.getResponseCode() >= 400) {
+        	in = httpConn.getErrorStream();
+        } else {
+        	in = httpConn.getInputStream();
+        }        
+        
+        return new HttpResponse(httpConn.getResponseCode(), in);
+	}
+    
+    
+	public static HttpStringResponse getHttpSSLStringResponse(String link) throws IOException, KeyManagementException, NoSuchAlgorithmException{
+	    
+	    // Install the all-trusting trust manager
+	    final SSLContext sslContext = SSLContext.getInstance( "SSL" );
+	    sslContext.init( null, trustAllCerts, new java.security.SecureRandom() );
+	    // Create an ssl socket factory with our all-trusting manager
+	    final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
+		
+		URL url = new URL(link);
+		HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
+		
+		( (HttpsURLConnection) httpConn ).setSSLSocketFactory( sslSocketFactory );
+
+        
+        BufferedReader in = null;
+        if (httpConn.getResponseCode() >= 400) {
+        	in = new BufferedReader(
+                    new InputStreamReader(
+                    		httpConn.getErrorStream()));
+        } else {
+        	in = new BufferedReader(
+                    new InputStreamReader(
+                    		httpConn.getInputStream()));
+        }
+        
+        
+        String inputLine;
+        StringBuilder sb = new StringBuilder();
+        while ((inputLine = in.readLine()) != null) 
+        	sb.append(inputLine + "\n");
+        in.close();
+        
+        return new HttpStringResponse(httpConn.getResponseCode(), sb.toString());
+	}
+	
+	public static HttpStringResponse getHttpStringResponse(String link) throws IOException{
+        
+		//System.out.println(link);
+		
+		URL url = new URL(link);
+		HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
+        
+        BufferedReader in = null;
+        if (httpConn.getResponseCode() >= 400) {
+        	in = new BufferedReader(
+                    new InputStreamReader(
+                    		httpConn.getErrorStream()));
+        } else {
+        	in = new BufferedReader(
+                    new InputStreamReader(
+                    		httpConn.getInputStream()));
+        }
+        
+        
+        String inputLine;
+        StringBuilder sb = new StringBuilder();
+        while ((inputLine = in.readLine()) != null) 
+        	sb.append(inputLine + "\n");
+        in.close();
+        
+        return new HttpStringResponse(httpConn.getResponseCode(), sb.toString());
+	}
+	
+	public static class HttpStringResponse{
+		public int code;
+		public String content;
+		public HttpStringResponse(int code, String content){
+			this.code = code;
+			this.content = content;
+		}
+	}
+
+	public static class HttpResponse{
+		public int code;
+		public InputStream content;
+		public HttpResponse(int code, InputStream content){
+			this.code = code;
+			this.content = content;
+		}
+	}
+}