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    1   /***
    2    * @(#)EJBProxyServiceImpl.java
    3    *
    4    * JFoxSOAF, Service-Oriented Application Framework
    5    *
    6    * Copyright(c) JFoxSOAF Team
    7    *
    8    * Licensed under the GNU LGPL, Version 2.1 (the "License");
    9    * you may not use this file except in compliance with the License.
    10   * You may obtain a copy of the License at
    11   *
    12   * http://www.gnu.org/copyleft/lesser.html
    13   *
    14   * Unless required by applicable law or agreed to in writing, software
    15   * distributed under the License is distributed on an "AS IS" BASIS,
    16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17   * See the License for the specific language governing permissions and
    18   * limitations under the License.
    19   *
    20   * For more information, please visit:
    21   * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
    22   * http://www.huihoo.org/jfox/jfoxsoaf
    23   */
    24
    25  package org.huihoo.jfox.soaf.services.ejb;
    26
    27  import java.lang.reflect.InvocationTargetException;
    28  import java.lang.reflect.Method;
    29  import java.rmi.RemoteException;
    30
    31  import javax.ejb.EJBException;
    32  import javax.ejb.EJBHome;
    33  import javax.ejb.EJBLocalHome;
    34  import javax.ejb.EJBObject;
    35  import javax.ejb.FinderException;
    36
    37  import org.huihoo.jfox.soaf.exception.ServiceLocatorException;
    38
    39  import com.opensymphony.util.EJBUtils;
    40
    41  /***
    42   * <p>
    43   * EJBProxyService Implementation.
    44   * </p>
    45   *
    46   * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
    47   * @version $Revision: 1.8 $ $Date: 2005/05/22 06:49:31 $
    48   * @version Revision: 1.0
    49   */
    50
    51  public class EJBProxyServiceImpl implements EJBProxyService {
    52
    53      private ServiceLocator serviceLocator;
    54
    55      public EJBProxyServiceImpl(ServiceLocator serviceLocator) {
    56          this.serviceLocator = serviceLocator;
    57      }
    58
    59      /***
    60       * @see org.huihoo.jfox.soaf.services.ejb.EJBProxyService#getRemoteObject(java.lang.String)
    61       */
    62      public Object getRemoteObject(String jndiName) throws EJBException {
    63          try {
    64              EJBHome ejbHome = serviceLocator.getRemoteHome(jndiName,
    65                      EJBHome.class);
    66              //get the method of create
    67              Method method = ejbHome.getClass().getDeclaredMethod("create",
    68                      new Class[0]);
    69              Object obj = method.invoke(ejbHome, new Object[0]);
    70              return obj;
    71          } catch (ServiceLocatorException e) {
    72              throw new EJBException(e);
    73          } catch (SecurityException e) {
    74              throw new EJBException(e);
    75          } catch (IllegalArgumentException e) {
    76              throw new EJBException(e);
    77          } catch (NoSuchMethodException e) {
    78              throw new EJBException(e);
    79          } catch (IllegalAccessException e) {
    80              throw new EJBException(e);
    81          } catch (InvocationTargetException e) {
    82              throw new EJBException(e);
    83          }
    84      }
    85
    86      /***
    87       * @see org.huihoo.jfox.soaf.services.ejb.EJBProxyService#getLocalObject(java.lang.String)
    88       */
    89      public Object getLocalObject(String jndiName) throws EJBException {
    90          Object obj;
    91          try {
    92              EJBLocalHome ejbLocalHome = serviceLocator.getLocalHome(jndiName);
    93              Method method = ejbLocalHome.getClass().getDeclaredMethod("create",
    94                      new Class[0]);
    95              obj = method.invoke(ejbLocalHome, new Object[0]);
    96              return obj;
    97          } catch (ServiceLocatorException e) {
    98              throw new EJBException(e);
    99          } catch (SecurityException e) {
    100             throw new EJBException(e);
    101         } catch (IllegalArgumentException e) {
    102             throw new EJBException(e);
    103         } catch (NoSuchMethodException e) {
    104             throw new EJBException(e);
    105         } catch (IllegalAccessException e) {
    106             throw new EJBException(e);
    107         } catch (InvocationTargetException e) {
    108             throw new EJBException(e);
    109         }
    110     }
    111
    112     /***
    113      * @see org.huihoo.jfox.soaf.services.ejb.EJBProxyService#findEntity(
    114      *      javax.ejb.EJBHome, java.lang.String)
    115      */
    116     public EJBObject findEntity(EJBHome home, String id)
    117             throws RemoteException, FinderException {
    118         return EJBUtils.findEntity(home, id);
    119     }
    120 }