1 files changed, 106 insertions, 0 deletions
diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/util/Utils.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/util/Utils.java
new file mode 100644
index 000000000..2f9e01057
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/util/Utils.java
@@ -0,0 +1,106 @@
+/*
+ * Created on 25.11.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package at.gv.egovernment.moa.ss.erechtclient.util;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.Properties;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+
+import at.gv.egovernment.moa.ss.erechtclient.ERechtClientException;
+import at.gv.egovernment.moa.ss.erechtclient.init.Constants;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
+ */
+public class Utils
+{
+  public static byte[] readFromInputStream(InputStream inputStream) throws IOException
+  {
+    byte[] currentBytes = new byte[500];
+    int bytesRead;
+    ByteArrayOutputStream result = new ByteArrayOutputStream();
+    do
+    {
+      bytesRead = inputStream.read(currentBytes);
+      if (bytesRead > 0)
+      {
+        result.write(currentBytes, 0, bytesRead);
+      }
+    }
+    while (bytesRead != -1);
+    return result.toByteArray();
+  }
+  
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  public static void transferStreams(InputStream in, OutputStream out) throws IOException
+  {
+    byte[] currentBytes = new byte[500];
+    int bytesRead;
+    do
+    {
+      bytesRead = in.read(currentBytes);
+      if (bytesRead > 0)
+      {
+        out.write(currentBytes, 0, bytesRead);
+      }
+    }
+    while (bytesRead != -1);
+  }
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  public static void returnErrorPage(HttpServletRequest request, HttpServletResponse response, Throwable t)
+    throws ServletException
+  {
+    Logger logger = Logger.getLogger(Constants.LH_SERVLETS_);
+
+    // Store Throwable in request context
+    request.setAttribute(Constants.RCP_ERROR_THROWABLE_, t);
+
+    RequestDispatcher dispatcher = request.getRequestDispatcher(Constants.JSPPN_ERROR_);
+    try 
+    {
+      dispatcher.include(request, response);
+    } 
+    catch (ServletException e) 
+    {
+      logger.error("Returning error JSP page failed.", e);
+      throw e;
+    } 
+    catch (IOException e) 
+    {
+      String message = "Returning error JSP page failed.";
+      logger.error(message, e);
+      throw new ServletException(message, e);
+    }
+  }
+  
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  public static String readInitProperty(Properties initProps, String name, Logger logger) 
+    throws ERechtClientException
+  {
+    String value = initProps.getProperty(name);
+    if (value == null)
+    {
+      String message = "Could not read property \"" + name + "\" from configuration properties.";
+      logger.error(message);
+      throw new ERechtClientException(message);
+    }
+    return value;
+  }
+}