Package org.apache.juddi.function

Source Code of org.apache.juddi.function.DeleteSubscriptionFunction

/*
* Copyright 2001-2004 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 org.apache.juddi.function;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.juddi.datastore.DataStore;
import org.apache.juddi.datastore.DataStoreFactory;
import org.apache.juddi.datatype.RegistryObject;
import org.apache.juddi.datatype.request.DeleteSubscription;
import org.apache.juddi.datatype.response.DispositionReport;
import org.apache.juddi.datatype.response.Result;
import org.apache.juddi.error.InvalidKeyPassedException;
import org.apache.juddi.error.RegistryException;
import org.apache.juddi.error.UserMismatchException;
import org.apache.juddi.registry.RegistryEngine;
import org.apache.juddi.util.Config;

/**
* @author Steve Viens (sviens@apache.org)
*/
public class DeleteSubscriptionFunction extends AbstractFunction
{
  // private reference to jUDDI Logger
  private static Log log = LogFactory.getLog(DeleteSubscriptionFunction.class);

  /**
   *
   */
  public DeleteSubscriptionFunction(RegistryEngine registry)
  {
    super(registry);
  }

  /**
   * Here are the rules:
   *
   * 1. A publisher must have administrative privs to
   *    delete anything.
   * 2. A publisher cannot delete itself.
   */
  public RegistryObject execute(RegistryObject regObject)
    throws RegistryException
  {
    // extract individual parameters
    DeleteSubscription request = (DeleteSubscription)regObject;
    String generic = request.getGeneric();
    // AuthInfo authInfo = request.getAuthInfo();
    // Vector bindingKeyVector = request.getSubscriptionKeyVector();

    // aquire a jUDDI datastore instance
    DataStore dataStore = DataStoreFactory.getDataStore();

    try
    {
      dataStore.beginTrans();

      // TODO (UDDI v3) Implement delete_subscription business logic.
     
      dataStore.commit();
    }
    catch(InvalidKeyPassedException ex)
    {
      try { dataStore.rollback(); } catch(Exception e) { }
      log.info(ex);
      throw (RegistryException)ex;
    }
    catch(UserMismatchException ex)
    {
      try { dataStore.rollback(); } catch(Exception e) { }
      log.info(ex);
      throw (RegistryException)ex;
    }
    catch(RegistryException regex)
    {
      try { dataStore.rollback(); } catch(Exception e) { }
      log.error(regex);
      throw (RegistryException)regex;
    }
    catch(Exception ex)
    {
      try { dataStore.rollback(); } catch(Exception e) { }
      log.error(ex);
      throw new RegistryException(ex);
    }
    finally
    {
      if (dataStore != null)
        dataStore.release();
    }

    // We didn't encounter any problems so let's create an
    // E_SUCCESS Result, embed it in a DispositionReport
    // and return it.
    Result result = new Result(Result.E_SUCCESS);
    result.setErrCode(Result.lookupErrCode(Result.E_SUCCESS));   
    DispositionReport dispRpt = new DispositionReport();
    dispRpt.setGeneric(generic);
    dispRpt.setOperator(Config.getOperator());
    dispRpt.addResult(result);
   
    return dispRpt;
  }


  /***************************************************************************/
  /***************************** TEST DRIVER *********************************/
  /***************************************************************************/


  public static void main(String[] args)
  {
    // initialize the registry
    RegistryEngine reg = new RegistryEngine();
    reg.init();

    try
    {
    }
    catch (Exception ex)
    {
      // write execption to the console
      ex.printStackTrace();
    }
    finally
    {
      // destroy the registry
      reg.dispose();
    }
  }
}
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