Package net.sf.gilead.core.beanlib.mapper

Source Code of net.sf.gilead.core.beanlib.mapper.ProxyClassMapper

/*
* Copyright 2007 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sf.gilead.core.beanlib.mapper;

import net.sf.gilead.core.IPersistenceUtil;
import net.sf.gilead.core.beanlib.IClassMapper;
import net.sf.gilead.proxy.AdditionalCodeManager;
import net.sf.gilead.proxy.ProxyManager;
import net.sf.gilead.proxy.xml.AdditionalCode;

/**
* Class mapper for domain and proxy
* @author bruno.marchesson
*
*/
public class ProxyClassMapper implements IClassMapper
{
  //----
  // Attributes
  //----
  /**
   * The associated persistence util
   */
  protected IPersistenceUtil _persistenceUtil;
 
  /**
   * For newly created proxy, must we use Java5 or Java 1.4 generator
   */
  protected boolean _java5 = true;
 
  //----
  // Properties
  //----
  /**
   * @return the associated Persistence Util
   */
  public IPersistenceUtil getPersistenceUtil()
  {
    return _persistenceUtil;
  }

  /**
   * @param persistenceUtil the persistenceUtil to set
   */
  public void setPersistenceUtil(IPersistenceUtil persistenceUtil)
  {
    _persistenceUtil = persistenceUtil;
  }

  /**
   * @return is Java5 used for proxy generation ?
   */
  public boolean isJava5()
  {
    return _java5;
  }

  /**
   * @param java5 must Java5 be used for proxy generation ?
   */
  public void setJava5(boolean java5)
  {
    _java5 = java5;
  }

  //-------------------------------------------------------------------------
  //
  // IClassMapper implementation
  //
  //-------------------------------------------------------------------------
  /* (non-Javadoc)
   * @see net.sf.gilead.core.beanlib.IClassMapper#getSourceClass(java.lang.Class)
   */
  public Class<?> getSourceClass(Class<?> targetClass)
  {
    return ProxyManager.getInstance().getSourceClass(targetClass);
  }

  /* (non-Javadoc)
   * @see net.sf.gilead.core.beanlib.IClassMapper#getTargetClass(java.lang.Class<?>)
   */
  public Class<?> getTargetClass(Class<?> sourceClass)
  {
    Class<?> proxyClass = ProxyManager.getInstance().getProxyClass(sourceClass);
   
    if (proxyClass == null)
    {
    //  Force proxy generation for persistent class
    //
      if (_persistenceUtil == null)
      {
        throw new RuntimeException("Missing PersistenceUtil in ProxyClassMapper : please fill this member...");
      }
      if (_persistenceUtil.isPersistentClass(sourceClass))
      {
        AdditionalCode additionalCode;
        if (_java5 == true)
        {
          additionalCode = AdditionalCodeManager.getInstance().getAdditionalCode(ProxyManager.JAVA_5_LAZY_POJO);
        }
        else
        {
          additionalCode = AdditionalCodeManager.getInstance().getAdditionalCode(ProxyManager.JAVA_14_LAZY_POJO);
        }
       
        proxyClass = ProxyManager.getInstance().generateProxyClass(sourceClass, additionalCode);
      }
    }
       
    return proxyClass;
  }
}
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