[exo-jcr-commits] exo-jcr SVN: r3391 - kernel/branches/2.3-ISPN/exo.kernel.commons/src/main/java/org/exoplatform/commons/utils.

[do-not-reply at jboss.org]

Author: tolusha
Date: 2010-11-04 03:24:18 -0400 (Thu, 04 Nov 2010)
New Revision: 3391

Added:
   kernel/branches/2.3-ISPN/exo.kernel.commons/src/main/java/org/exoplatform/commons/utils/SecurityHelper.java
Log:
EXOJCR-1035: Move SecurityHelper to exo.kernel.commons

Added: kernel/branches/2.3-ISPN/exo.kernel.commons/src/main/java/org/exoplatform/commons/utils/SecurityHelper.java
===================================================================
--- kernel/branches/2.3-ISPN/exo.kernel.commons/src/main/java/org/exoplatform/commons/utils/SecurityHelper.java	                        (rev 0)
+++ kernel/branches/2.3-ISPN/exo.kernel.commons/src/main/java/org/exoplatform/commons/utils/SecurityHelper.java	2010-11-04 07:24:18 UTC (rev 3391)
@@ -0,0 +1,234 @@
+/*
+ * Copyright (C) 2010 eXo Platform SAS.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.exoplatform.commons.utils;
+
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.sql.SQLException;
+
+import javax.xml.parsers.ParserConfigurationException;
+
+/**
+ * Helps running code in privileged 
+ * 
+ * @author <a href="mailto:nikolazius at gmail.com">Nikolay Zamosenchuk</a>
+ * @version $Id: SecurityHelper.java 34360 2009-07-22 23:58:59Z nzamosenchuk $
+ *
+ */
+public class SecurityHelper
+{
+
+   /**
+    * Launches action in privileged mode. Can throw only IO exception.
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    * @throws IOException
+    */
+   public static <E> E doPriviledgedIOExceptionAction(PrivilegedExceptionAction<E> action) throws IOException
+   {
+      try
+      {
+         return AccessController.doPrivileged(action);
+      }
+      catch (PrivilegedActionException pae)
+      {
+         Throwable cause = pae.getCause();
+         if (cause instanceof IOException)
+         {
+            throw (IOException)cause;
+         }
+         else if (cause instanceof RuntimeException)
+         {
+            throw (RuntimeException)cause;
+         }
+         else
+         {
+            throw new RuntimeException(cause);
+         }
+      }
+   }
+
+   /**
+    * Launches action in privileged mode. Can throw only IO exception.
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    * @throws IOException
+    */
+   public static <E> E doPriviledgedSQLExceptionAction(PrivilegedExceptionAction<E> action) throws SQLException
+   {
+      try
+      {
+         return AccessController.doPrivileged(action);
+      }
+      catch (PrivilegedActionException pae)
+      {
+         Throwable cause = pae.getCause();
+         if (cause instanceof SQLException)
+         {
+            throw (SQLException)cause;
+         }
+         else if (cause instanceof RuntimeException)
+         {
+            throw (RuntimeException)cause;
+         }
+         else
+         {
+            throw new RuntimeException(cause);
+         }
+      }
+   }
+
+   /**
+    * Launches action in privileged mode. Can throw only ParserConfigurationException, SAXException.
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    * @throws IOException
+    */
+   public static <E> E doPriviledgedParserConfigurationOrSAXExceptionAction(PrivilegedExceptionAction<E> action)
+      throws ParserConfigurationException, SAXException
+   {
+      try
+      {
+         return AccessController.doPrivileged(action);
+      }
+      catch (PrivilegedActionException pae)
+      {
+         Throwable cause = pae.getCause();
+         if (cause instanceof ParserConfigurationException)
+         {
+            throw (ParserConfigurationException)cause;
+         }
+         else if (cause instanceof SAXException)
+         {
+            throw (SAXException)cause;
+         }
+         else if (cause instanceof RuntimeException)
+         {
+            throw (RuntimeException)cause;
+         }
+         else
+         {
+            throw new RuntimeException(cause);
+         }
+      }
+   }
+
+   /**
+    * Launches action in privileged mode. Can throw only SAXException.
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    * @throws IOException
+    */
+   public static <E> E doPriviledgedSAXExceptionAction(PrivilegedExceptionAction<E> action) throws SAXException
+   {
+      try
+      {
+         return AccessController.doPrivileged(action);
+      }
+      catch (PrivilegedActionException pae)
+      {
+         Throwable cause = pae.getCause();
+         if (cause instanceof SAXException)
+         {
+            throw (SAXException)cause;
+         }
+         else if (cause instanceof RuntimeException)
+         {
+            throw (RuntimeException)cause;
+         }
+         else
+         {
+            throw new RuntimeException(cause);
+         }
+      }
+   }
+
+   /**
+    * Launches action in privileged mode. Can throw only SAXException.
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    * @throws IOException
+    */
+   public static <E> E doPriviledgedMalformedURLExceptionAction(PrivilegedExceptionAction<E> action)
+      throws MalformedURLException
+   {
+      try
+      {
+         return AccessController.doPrivileged(action);
+      }
+      catch (PrivilegedActionException pae)
+      {
+         Throwable cause = pae.getCause();
+         if (cause instanceof MalformedURLException)
+         {
+            throw (MalformedURLException)cause;
+         }
+         else if (cause instanceof RuntimeException)
+         {
+            throw (RuntimeException)cause;
+         }
+         else
+         {
+            throw new RuntimeException(cause);
+         }
+      }
+   }
+
+   /**
+    * Launches action in privileged mode. Can throw only runtime exceptions.
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    */
+   public static <E> E doPriviledgedAction(PrivilegedAction<E> action)
+   {
+      return AccessController.doPrivileged(action);
+   }
+
+   /**
+    * Launches action in privileged mode. 
+    * 
+    * @param <E>
+    * @param action
+    * @return
+    */
+   public static <E> E doPriviledgedExceptionAction(PrivilegedExceptionAction<E> action)
+      throws PrivilegedActionException
+   {
+      return AccessController.doPrivileged(action);
+   }
+
+}