Package org.apache.oodt.cas.filemgr.cli.action

Source Code of org.apache.oodt.cas.filemgr.cli.action.AbstractDeleteProductCliAction

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.oodt.cas.filemgr.cli.action;

//OODT imports
import java.io.File;
import java.net.URI;
import java.util.List;

//OODT imports
import org.apache.oodt.cas.cli.exception.CmdLineActionException;
import org.apache.oodt.cas.filemgr.structs.Product;
import org.apache.oodt.cas.filemgr.structs.Reference;
import org.apache.oodt.cas.filemgr.system.XmlRpcFileManagerClient;

/**
* A abstract {@link CmdLineAction} for deleting {@link Product}s.
*
* @author bfoster (Brian Foster)
*/
public abstract class AbstractDeleteProductCliAction extends
      FileManagerCliAction {

   @Override
   public void execute(ActionMessagePrinter printer)
         throws CmdLineActionException {
      Product p = null;
      try {
         XmlRpcFileManagerClient client = getClient();
         p = getProductToDelete();
         List<Reference> refs = client.getProductReferences(p);
         if (refs == null) {
            throw new Exception("FileManager returned null References");
         }
         for (Reference ref : refs) {
            if (!client.removeFile(new File(new URI(ref.getDataStoreReference()))
                  .getAbsolutePath())) {
               throw new Exception("Failed to delete file '"
                     + ref.getDataStoreReference() + "'");
            }
         }
         if (client.removeProduct(p)) {
            printer.println("Successfully deleted product '"
                  + p.getProductName() + "'");
         } else {
            throw new Exception("Delete product returned false");
         }
      } catch (Exception e) {
         throw new CmdLineActionException("Failed to delete product '" + p
               + "' : " + e.getMessage(), e);
      }
   }

   protected abstract Product getProductToDelete() throws Exception;
}
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