org.jboss.security.vault.SecurityVaultFactory Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* 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.jboss.security.vault;
import org.jboss.security.PicketBoxMessages;
/**
* A factory to instantiate a {@link SecurityVault}
* @author [email protected]
* @since Aug 12, 2011
*/
public class SecurityVaultFactory
{
private static String defaultVault = "org.picketbox.plugins.vault.PicketBoxSecurityVault";
private static SecurityVault vault= null;
/**
* Get an instance of {@link SecurityVault}
* Remember to initialize the vault by checking {@link SecurityVault#isInitialized()}
* @return an instance of {@link SecurityVault}
* @throws SecurityVaultException
*/
public static SecurityVault get() throws SecurityVaultException
{
return get(defaultVault);
}
/**
* Get an instance of {@link SecurityVault}
* Remember to initialize the vault by checking {@link SecurityVault#isInitialized()}
* @param fqn fully qualified name of the vault implementation
* @return an instance of {@link SecurityVault}
* @throws SecurityVaultException
*/
public static SecurityVault get(String fqn) throws SecurityVaultException
{
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new RuntimePermission(SecurityVaultFactory.class.getName() + ".get"));
}
if(fqn == null)
return get();
if(vault == null)
{
Class vaultClass = SecurityActions.loadClass(SecurityVaultFactory.class,fqn);
if(vaultClass == null)
throw new SecurityVaultException(PicketBoxMessages.MESSAGES.unableToLoadVaultMessage());
try
{
vault = (SecurityVault) vaultClass.newInstance();
}
catch (Exception e)
{
throw new SecurityVaultException(PicketBoxMessages.MESSAGES.unableToCreateVaultMessage(), e);
}
}
return vault;
}
/**
* Get an instance of {@link SecurityVault}
* Remember to initialize the vault by checking {@link SecurityVault#isInitialized()}
* @param classLoader the class loader to use loading the vault
* @param fqn fully qualified name of the vault implementation
* @return an instance of {@link SecurityVault}
* @throws SecurityVaultException
*/
public static SecurityVault get(ClassLoader classLoader, String fqn) throws SecurityVaultException
{
if (classLoader == null){
throw PicketBoxMessages.MESSAGES.invalidNullArgument("classLoader");
}
if (fqn == null){
throw PicketBoxMessages.MESSAGES.invalidNullArgument("fqn");
}
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new RuntimePermission(SecurityVaultFactory.class.getName() + ".get"));
}
if(vault == null)
{
Class vaultClass = SecurityActions.loadClass(classLoader,fqn);
if(vaultClass == null)
throw new SecurityVaultException(PicketBoxMessages.MESSAGES.unableToLoadVaultMessage());
try
{
vault = (SecurityVault) vaultClass.newInstance();
}
catch (Exception e)
{
throw new SecurityVaultException(PicketBoxMessages.MESSAGES.unableToCreateVaultMessage(), e);
}
}
return vault;
}
}