| /* |
| * 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.crawl.action; |
| |
| //JDK imports |
| import java.io.File; |
| import java.util.logging.Level; |
| |
| //Apache imports |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.lang.Validate; |
| |
| //OODT imports |
| import org.apache.oodt.cas.crawl.structs.exceptions.CrawlerActionException; |
| import org.apache.oodt.cas.metadata.Metadata; |
| |
| /** |
| * Deletes a product file as a {@link CrawlerAction} response. |
| * |
| * @author bfoster (Brian Foster) |
| * @author mattmann (Chris Mattmann) |
| * @author luca (Luca Cinquini) |
| */ |
| public class DeleteFile extends CrawlerAction { |
| |
| private File file; |
| private String fileExtension; |
| |
| @Override |
| public boolean performAction(File product, Metadata productMetadata) |
| throws CrawlerActionException { |
| try { |
| File fileToDelete = product; |
| if (file != null) { |
| fileToDelete = file; |
| } else if (fileExtension != null) { |
| fileToDelete = new File(product.getAbsolutePath() + "." + fileExtension); |
| } |
| |
| LOG.log(Level.INFO, "Deleting file " + fileToDelete.getAbsolutePath()); |
| if (fileToDelete.isDirectory()) { |
| // the following method will throw an exception if the directory cannot be deleted |
| FileUtils.deleteDirectory(fileToDelete); |
| return true; |
| } else { |
| return fileToDelete.delete(); |
| } |
| |
| } catch (Exception e) { |
| LOG.log(Level.SEVERE, "Error while deleting file for product '" |
| + product + "' : " + e.getMessage(), e); |
| return false; |
| } |
| } |
| |
| @Override |
| public void validate() throws CrawlerActionException { |
| super.validate(); |
| try { |
| Validate.isTrue(file == null || fileExtension == null, |
| "Must specify either file or fileExtension"); |
| } catch (Exception e) { |
| throw new CrawlerActionException(e); |
| } |
| } |
| |
| public void setFile(File file) { |
| this.file = file; |
| } |
| |
| public void setFileExtension(String fileExtension) { |
| this.fileExtension = fileExtension; |
| } |
| } |