/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Sam
*/
package com.caucho.rewrite;
import com.caucho.config.ConfigException;
import com.caucho.config.Configurable;
import com.caucho.management.server.AbstractManagedObject;
import com.caucho.management.server.IfMBeanEnabledMXBean;
import com.caucho.util.L10N;
import javax.annotation.PostConstruct;
import javax.servlet.http.HttpServletRequest;
/**
* Matches if the MBean is enabled and does not match if it's not enabled.
*
* The MBean is registered as resin:name=<name>,type=IfMBean
*
* <pre>
* <resin:Allow url-pattern="/admin/*">
* xmlns:resin="urn:java:com.caucho.resin">
* <resin:IfMBeanEnabled name="admin"/>
* </resin:Allow>
* </pre>
*
* <p>RequestPredicates may be used for security and rewrite actions.
*/
@Configurable
public class IfMBeanEnabled implements RequestPredicate
{
private static final L10N L = new L10N(IfMBeanEnabled.class);
private String _name;
private boolean _isEnabledDefault = true;
private Boolean _isEnabled;
private Admin _admin;
/**
* Sets the MBean name.
*/
@Configurable
public void setName(String name)
{
_name = name;
}
/**
* Sets true if the default is to enable.
*/
@Configurable
public void setEnabled(boolean isEnabled)
{
_isEnabledDefault = isEnabled;
}
/**
* True if the predicate matches.
*
* @param request the servlet request to test
*/
@Override
public boolean isMatch(HttpServletRequest request)
{
if (_isEnabled != null)
return _isEnabled;
return _isEnabledDefault;
}
@PostConstruct
@SuppressWarnings("unused")
private void init()
{
if (_name == null)
throw new ConfigException(L.l("resin:IfMBeanEnabled requires a 'name' attribute."));
_admin = new Admin();
_admin.register();
}
class Admin extends AbstractManagedObject implements IfMBeanEnabledMXBean {
protected void register()
{
registerSelf();
}
@Override
public String getName()
{
return _name;
}
@Override
public void disable()
{
_isEnabled = false;
}
@Override
public void enable()
{
_isEnabled = true;
}
@Override
public String getState()
{
if (_isEnabled != null)
return String.valueOf(_isEnabled);
else
return "default";
}
@Override
public void reset()
{
_isEnabled = null;
}
}
}