From f81b3716ac27094ab1845668cb38a1fe6a2d5f8c Mon Sep 17 00:00:00 2001
From: Alexander Marsalek <amarsalek@iaik.tugraz.at>
Date: Wed, 4 Jun 2014 18:50:50 +0200
Subject: added DocumentService

---
 .../src/eu/stork/documentservice/utils/Utils.java  | 172 +++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 DocumentService/src/eu/stork/documentservice/utils/Utils.java

(limited to 'DocumentService/src/eu/stork/documentservice/utils/Utils.java')

diff --git a/DocumentService/src/eu/stork/documentservice/utils/Utils.java b/DocumentService/src/eu/stork/documentservice/utils/Utils.java
new file mode 100644
index 000000000..45072a0be
--- /dev/null
+++ b/DocumentService/src/eu/stork/documentservice/utils/Utils.java
@@ -0,0 +1,172 @@
+package eu.stork.documentservice.utils;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.UnsupportedEncodingException;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+import org.bouncycastle.util.encoders.Base64;
+import org.bouncycastle.util.encoders.UrlBase64;
+
+public class Utils {
+	
+	public static boolean saveData(byte[] data, String PATH, String fileName)
+	{
+		boolean ok = false;
+		if (data != null)
+		{
+			try
+			{
+				FileOutputStream fos;
+	            File outputDir = new File(PATH);
+	            File saveFile = new File(outputDir, fileName);
+	            fos = new FileOutputStream(saveFile);
+	            fos.write(data);
+	            fos.flush();
+	            fos.close();
+	            ok = true;
+			}
+			catch (Exception e)
+			{
+				e.printStackTrace();
+			}
+		}
+		return ok;
+	}
+	
+	public static byte[] readData(String fileName)
+	{
+		byte[] data = null;
+		
+		if (fileName != "")
+		{
+			try
+			{
+				FileInputStream fis;
+				File inputDir = new File(fileName);
+				fis = new FileInputStream(inputDir);
+				data = new byte[(int)inputDir.length()];
+				fis.read(data);
+				fis.close();
+			}
+			catch (Exception e)
+			{
+				e.printStackTrace();
+			}
+		}
+		
+		return data;
+	}
+	
+	public static String readString(String fileName)
+	{
+		File file = new File(fileName);
+		StringBuilder text = new StringBuilder();
+
+		try {
+		    BufferedReader br = new BufferedReader(new FileReader(file));
+		    String line;
+
+		    while ((line = br.readLine()) != null) {
+		        text.append(line);
+		    }
+		    br.close();
+		}
+		catch (Exception e) {
+		   e.printStackTrace();
+		}
+	    return text.toString();
+	}
+	
+	public static InputStream getStream(String string, String codePage) throws UnsupportedEncodingException
+	{
+		return new ByteArrayInputStream(string.getBytes(codePage));
+	}
+	
+	public static String encodeBase64bytes(final byte[] bytes, boolean urlSafe) {
+	      try {
+	    	  if (urlSafe)
+	    		  return new String(UrlBase64.encode(bytes), "UTF8");
+	    	  else
+	    		  return new String(Base64.encode(bytes), "UTF8");
+	      } catch (UnsupportedEncodingException e) {	          
+	          return null;
+	      }
+	  }
+	
+	public static byte[] decodeBase64String(final String base64string, boolean urlSave) {
+		if (urlSave)
+			return UrlBase64.decode(base64string);
+		else
+			return Base64.decode(base64string);
+	}
+	
+	// HTTP GET request
+	public static String sendGet(String url) throws Exception 
+	{ 
+		URL obj = new URL(url);
+		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+	 
+		// optional default is GET
+		con.setRequestMethod("GET");
+	 
+			//add request header
+		con.setRequestProperty("User-Agent", "unknown");
+	 
+		//int responseCode = con.getResponseCode();
+		
+		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();
+	 
+		}
+	 
+		// HTTP POST request
+		public static String sendPost(String url, String urlParameters) throws Exception
+		{
+	 		URL obj = new URL(url);
+			HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+	 
+			//add request header
+			con.setRequestMethod("POST");
+			con.setRequestProperty("User-Agent", "unknown");
+			con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
+	 
+			// Send post request
+			con.setDoOutput(true);
+			DataOutputStream wr = new DataOutputStream(con.getOutputStream());
+			wr.writeBytes(urlParameters);
+			wr.flush();
+			wr.close();
+	 
+			//int responseCode = con.getResponseCode();
+				 
+			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();
+		}
+}
-- 
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