| /* |
| * 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; |
| |
| //OODT static imports |
| import static org.apache.oodt.cas.filemgr.metadata.CoreMetKeys.PRODUCT_NAME; |
| |
| //JDK imports |
| import java.io.File; |
| import java.net.URL; |
| |
| //Apache imports |
| import org.apache.commons.lang.Validate; |
| |
| //OODT imports |
| import org.apache.oodt.cas.crawl.structs.exceptions.CrawlerActionException; |
| import org.apache.oodt.cas.filemgr.system.XmlRpcFileManagerClient; |
| import org.apache.oodt.cas.metadata.Metadata; |
| |
| /** |
| * Check whether a product exists in the database already |
| * |
| * @author bfoster (Brian Foster) |
| */ |
| public class FilemgrUniquenessChecker extends CrawlerAction { |
| |
| private String filemgrUrl; |
| |
| @Override |
| public boolean performAction(File product, Metadata productMetadata) |
| throws CrawlerActionException { |
| try { |
| Validate.notNull(productMetadata.getMetadata(PRODUCT_NAME), |
| PRODUCT_NAME + " was not found in metadata"); |
| |
| XmlRpcFileManagerClient fmClient = new XmlRpcFileManagerClient( |
| new URL(this.filemgrUrl)); |
| return !fmClient.hasProduct(productMetadata.getMetadata(PRODUCT_NAME)); |
| } catch (Exception e) { |
| throw new CrawlerActionException("Product failed uniqueness check : [" |
| + product + "] : " + e.getMessage()); |
| } |
| } |
| |
| @Override |
| public void validate() throws CrawlerActionException { |
| super.validate(); |
| try { |
| Validate.notNull(filemgrUrl, "Must specify filemgrUrl"); |
| } catch (Exception e) { |
| throw new CrawlerActionException(e); |
| } |
| } |
| |
| public void setFilemgrUrl(String filemgrUrl) { |
| this.filemgrUrl = filemgrUrl; |
| } |
| } |