resinset.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 112 行

/*
 * Copyright (c) 1998-2008 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 Scott Ferguson
 */

package com.caucho.config.core;

import com.caucho.naming.Jndi;
import com.caucho.util.L10N;

import com.caucho.webbeans.manager.WebBeansContainer;
import javax.annotation.PostConstruct;

/**
 * Sets an EL value.
 */
public class ResinSet {
  private static L10N L = new L10N(ResinSet.class);

  private String _jndiName;
  private String _var;
  
  private Object _value;
  private boolean _hasValue;
  
  private Object _default;
  

  /**
   * The EL name to be set.
   */
  public void setVar(String name)
  {
    _var = name;
  }

  /**
   * The JNDI name to be set.
   */
  public void setJndiName(String name)
  {
    _jndiName = name;
  }

  /**
   * The EL value to be set.
   */
  public void setValue(Object value)
  {
    _hasValue = true;
    _value = value;
  }

  /**
   * The EL default value to be set.
   */
  public void setDefault(Object value)
  {
    _default = value;
  }

  /**
   * The EL value to be set.
   */
  public void setProperty(String name, Object value)
  {
    WebBeansContainer.create().addSingletonByName(value, name);
  }

  @PostConstruct
  public void init()
    throws Exception
  {
    if (_jndiName != null)
      Jndi.rebindDeepShort(_jndiName, _value);
    
    if (_var != null) {
      WebBeansContainer webBeans = WebBeansContainer.create();
      
      if (_value != null)
	webBeans.addSingletonByName(_value, _var);
      else if (_default != null && webBeans.findByName(_var) == null)
	webBeans.addSingletonByName(_default, _var);
    }
  }
}