| /* |
| * 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.pge.staging; |
| |
| //OODT static imports |
| import static org.apache.oodt.cas.pge.metadata.PgeTaskMetKeys.QUERY_CLIENT_TRANSFER_SERVICE_FACTORY; |
| import static org.apache.oodt.cas.pge.metadata.PgeTaskMetKeys.QUERY_FILE_MANAGER_URL; |
| |
| //OODT imports |
| import org.apache.oodt.cas.filemgr.datatransfer.DataTransfer; |
| import org.apache.oodt.cas.filemgr.datatransfer.RemoteDataTransferFactory; |
| import org.apache.oodt.cas.filemgr.structs.Product; |
| import org.apache.oodt.cas.filemgr.structs.Reference; |
| import org.apache.oodt.cas.filemgr.util.GenericFileManagerObjectFactory; |
| import org.apache.oodt.cas.pge.metadata.PgeMetadata; |
| |
| //Google imports |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.collect.Lists; |
| |
| //JDK imports |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URI; |
| import java.net.URL; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * A {@link FileStager} which uses a FileManager {@link DataTransferer}. |
| * |
| * @author bfoster (Brian Foster) |
| */ |
| public class FileManagerFileStager extends FileStager { |
| |
| @Override |
| public void stageFile(URI stageFile, File destDir, |
| PgeMetadata pgeMetadata, Logger logger) throws Exception { |
| DataTransfer dataTransferer = createDataTransfer(pgeMetadata, logger); |
| logger.log(Level.INFO, "Using DataTransfer [" |
| + dataTransferer.getClass().getCanonicalName() + "]"); |
| setFileManagerUrl(dataTransferer, pgeMetadata, logger); |
| dataTransferer.retrieveProduct(createProduct(stageFile), destDir); |
| } |
| |
| @VisibleForTesting |
| static DataTransfer createDataTransfer(PgeMetadata pgeMetadata, |
| Logger logger) throws InstantiationException { |
| if (pgeMetadata.getMetadata(QUERY_CLIENT_TRANSFER_SERVICE_FACTORY) != null) { |
| return GenericFileManagerObjectFactory |
| .getDataTransferServiceFromFactory(pgeMetadata |
| .getMetadata(QUERY_CLIENT_TRANSFER_SERVICE_FACTORY)); |
| } else { |
| logger.log(Level.INFO, "Using default DataTransferer"); |
| return new RemoteDataTransferFactory().createDataTransfer(); |
| } |
| } |
| |
| @VisibleForTesting |
| static void setFileManagerUrl(DataTransfer dataTransferer, |
| PgeMetadata pgeMetadata, Logger logger) throws MalformedURLException { |
| String filemgrUrl = pgeMetadata.getMetadata(QUERY_FILE_MANAGER_URL); |
| if (filemgrUrl != null) { |
| dataTransferer.setFileManagerUrl(new URL(filemgrUrl)); |
| } else { |
| logger.log(Level.WARNING, "Metadata field [" + QUERY_FILE_MANAGER_URL |
| + "] was not set, if DataTranferer requires filemgr server," |
| + " your transfers will fail"); |
| } |
| } |
| |
| @VisibleForTesting |
| static Product createProduct(URI path) { |
| Product product = new Product(); |
| Reference reference = new Reference(); |
| reference.setDataStoreReference(path.toString()); |
| product.setProductReferences(Lists.newArrayList(reference)); |
| return product; |
| } |
| } |