| /* |
| * 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.tools; |
| |
| //JDK imports |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URI; |
| import java.net.URL; |
| import java.util.Iterator; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| //OODT imports |
| 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.structs.Reference; |
| import org.apache.oodt.cas.filemgr.structs.exceptions.ConnectionException; |
| import org.apache.oodt.cas.filemgr.system.XmlRpcFileManagerClient; |
| import org.apache.oodt.cas.metadata.util.PathUtils; |
| import org.apache.oodt.cas.metadata.Metadata; |
| |
| /** |
| * @author mattmann |
| * @version $Revision$ |
| * |
| * <p> |
| * A tool to move products based on their metadata attributes. |
| * </p> |
| * |
| */ |
| public class MetadataBasedProductMover { |
| |
| /* |
| * the metadata path sepc string, e.g., |
| * /path/to/final/loc/[LocalDay]/[Filename] |
| */ |
| private String pathSpec = null; |
| |
| /* the client to the file manager */ |
| private XmlRpcFileManagerClient fmgrClient = null; |
| |
| /* our log stream */ |
| private static final Logger LOG = Logger |
| .getLogger(MetadataBasedProductMover.class.getName()); |
| |
| /** |
| * Default constructor. |
| * |
| * @param pathSpec |
| * A path specification based on the product metadata for the |
| * final data store location. |
| * @param fmUrl |
| * A string URL to the file manager. |
| * @throws InstantiationException |
| * If the passed in url is malformed. |
| */ |
| public MetadataBasedProductMover(String pathSpec, String fmUrl) |
| throws InstantiationException { |
| this.pathSpec = pathSpec; |
| try { |
| this.fmgrClient = new XmlRpcFileManagerClient(new URL(fmUrl)); |
| } catch (MalformedURLException e) { |
| throw new InstantiationException(e.getMessage()); |
| } catch (ConnectionException e) { |
| throw new InstantiationException(e.getMessage()); |
| } |
| } |
| |
| public void moveProducts(ProductType type) throws Exception { |
| // paginate through the product list |
| |
| ProductPage page = fmgrClient.getFirstPage(type); |
| |
| for (int i = 0; i < page.getTotalPages(); i++) { |
| if (page.getPageProducts() != null |
| && page.getPageProducts().size() > 0) { |
| for (Iterator j = page.getPageProducts().iterator(); j |
| .hasNext();) { |
| Product p = (Product) j.next(); |
| p.setProductReferences(fmgrClient.getProductReferences(p)); |
| Metadata met = fmgrClient.getMetadata(p); |
| Reference r = ((Reference) p.getProductReferences().get(0)); |
| String newLocPath = PathUtils.replaceEnvVariables( |
| this.pathSpec, met); |
| |
| if (locationsMatch(r.getDataStoreReference(), newLocPath)) { |
| LOG.log(Level.INFO, "Current and New locations match. "+p.getProductName()+" was not moved."); |
| continue; |
| } |
| |
| LOG.log(Level.INFO, "Moving product: [" |
| + p.getProductName() + "] from: [" |
| + new File(new URI(r.getDataStoreReference())) |
| + "] to: [" + newLocPath + "]"); |
| long timeBefore = System.currentTimeMillis(); |
| fmgrClient.moveProduct(p, newLocPath); |
| long timeAfter = System.currentTimeMillis(); |
| double seconds = ((timeAfter - timeBefore) * 1.0) / (1000.0); |
| LOG.log(Level.INFO, "Product: [" + p.getProductName() |
| + "] move successful: took: [" + seconds |
| + "] seconds"); |
| } |
| |
| if (!page.isLastPage()) { |
| page = fmgrClient.getNextPage(type, page); |
| } |
| } |
| } |
| } |
| |
| private boolean locationsMatch(String currentLocation, String newLocation) throws java.net.URISyntaxException { |
| String currentLocationURI = new URI(currentLocation).getSchemeSpecificPart(); |
| String newLocationURI = new URI(newLocation).getSchemeSpecificPart(); |
| |
| if (currentLocationURI.equals(newLocationURI)) { |
| return true; |
| } |
| else { |
| return false; |
| } |
| |
| } |
| |
| public void moveProducts(String typeName) throws Exception { |
| moveProducts(fmgrClient.getProductTypeByName(typeName)); |
| } |
| |
| /** |
| * @param args |
| */ |
| public static void main(String[] args) throws Exception { |
| String typeName = null, pathSpec = null, fmUrlStr = null; |
| String usage = "MetadataBasedProductMover [options]\n" |
| + "--typeName <product type>\n" |
| + "--fileManagerUrl <url to file manager>\n" |
| + "--pathSpec <path spec using '[' and ']' to delimit met fields>\n"; |
| |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].equals("--typeName")) { |
| typeName = args[++i]; |
| } else if (args[i].equals("--pathSpec")) { |
| pathSpec = args[++i]; |
| } else if (args[i].equals("--fileManagerUrl")) { |
| fmUrlStr = args[++i]; |
| } |
| } |
| |
| if (typeName == null || pathSpec == null || fmUrlStr == null) { |
| System.err.println(usage); |
| System.exit(1); |
| } |
| |
| MetadataBasedProductMover mover = new MetadataBasedProductMover( |
| pathSpec, fmUrlStr); |
| mover.moveProducts(typeName); |
| } |
| |
| } |