/*
* 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 next page of {@link Product}s for a
* given {@link ProductType}.
*
* @author bfoster (Brian Foster)
*/
public class GetNextPageCliAction extends FileManagerCliAction {
private String productTypeName;
private int currentPageNum = -1;
@Override
public void execute(ActionMessagePrinter printer)
throws CmdLineActionException {
try {
Validate.notNull(productTypeName, "Must specify productTypeName");
Validate.isTrue(currentPageNum != -1, "Must specify currentPageNum");
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 first ProductPage");
}
ProductPage currentPage = new ProductPage();
currentPage.setPageNum(currentPageNum);
currentPage.setPageSize(firstPage.getPageSize());
currentPage.setTotalPages(firstPage.getTotalPages());
ProductPage nextPage = client.getNextPage(type, currentPage);
if (nextPage == null) {
throw new Exception("FileManager returned null next ProductPage");
}
printer.println("Page: [num=" + nextPage.getPageNum()
+ ", totalPages=" + nextPage.getTotalPages() + ", pageSize="
+ nextPage.getPageSize() + "]");
printer.println("Products:");
if (nextPage.getPageProducts() == null) {
throw new NullPointerException(
"FileManager returned null page Products");
}
for (Product p : nextPage.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 next product page for"
+ " ProductType name '" + productTypeName
+ "' and current page '" + currentPageNum + "' : "
+ e.getMessage(), e);
}
}
public void setProductTypeName(String productTypeName) {
this.productTypeName = productTypeName;
}
public void setCurrentPageNum(int currentPageNum) {
this.currentPageNum = currentPageNum;
}
}