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

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@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); + } + +}