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

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

/*
* 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;

//Apache imports
import org.apache.commons.lang.Validate;

//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.ProductPage;
import org.apache.oodt.cas.filemgr.structs.ProductType;
import org.apache.oodt.cas.filemgr.system.XmlRpcFileManagerClient;

/**
* A {@link CmdLineAction} which gets the first page of {@link Product}s of a
* given {@link ProductType}.
*
* @author bfoster (Brian Foster)
*/
public class GetFirstPageCliAction extends FileManagerCliAction {

   private String productTypeName;

   @Override
   public void execute(ActionMessagePrinter printer)
         throws CmdLineActionException {
      try {
         Validate.notNull(productTypeName, "Must specify productTypeName");

         XmlRpcFileManagerClient client = getClient();
         ProductType type = client.getProductTypeByName(productTypeName);
         if (type == null) {
            throw new Exception("FileManager returned null ProductType");
         }
         ProductPage firstPage = client.getFirstPage(type);
         if (firstPage == null) {
            throw new Exception("FileManager returned null product page");
         }
         printer.println("Page: [num=" + firstPage.getPageNum()
               + ", totalPages=" + firstPage.getTotalPages() + ", pageSize="
               + firstPage.getPageSize() + "]");
         printer.println("Products:");

         if (firstPage.getPageProducts() == null) {
            throw new Exception("Page Products is null");
         }
         for (Product p : firstPage.getPageProducts()) {
            printer.println("Product: [id=" + p.getProductId() + ",name="
                  + p.getProductName() + ",type="
                  + p.getProductType().getName() + ",structure="
                  + p.getProductStructure() + ", transferStatus="
                  + p.getTransferStatus() + "]");
         }
      } catch (Exception e) {
         throw new CmdLineActionException(
               "Failed to get first page of products for"
                     + " ProductType name '" + productTypeName + "' : "
                     + e.getMessage(), e);
      }
   }

   public void setProductTypeName(String productTypeName) {
      this.productTypeName = productTypeName;
   }
}
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