| /* |
| * 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.List; |
| import java.util.logging.Level; |
| |
| //OODT imports |
| import org.apache.oodt.cas.crawl.structs.exceptions.CrawlerActionException; |
| import org.apache.oodt.cas.metadata.Metadata; |
| |
| /** |
| * Allows for cases where there are one of two (or more) actions which needs to |
| * run. For example: sometimes the same file types have different checksum files |
| * associated with it, this allows for either case. |
| * |
| * @author pramirez (Paul Ramirez) |
| */ |
| public class ToggleAction extends CrawlerAction { |
| |
| private List<Toggle> toggles; |
| private boolean shortCircuit; |
| |
| @Override |
| public boolean performAction(File product, Metadata productMetadata) |
| throws CrawlerActionException { |
| if (this.toggles != null && this.toggles.size() > 0) { |
| boolean globalSuccess = false; |
| for (Toggle toggle : this.toggles) { |
| CrawlerAction currentAction = null; |
| try { |
| if (toggle.isOn(product, productMetadata) |
| && (currentAction = toggle.getCrawlerAction()) |
| .performAction(product, productMetadata)) { |
| globalSuccess = true; |
| if (this.shortCircuit) |
| return true; |
| } |
| } catch (Exception e) { |
| LOG.log(Level.WARNING, "Failed to run toggle action '" |
| + (currentAction != null ? currentAction.getId() : null) |
| + "' : " + e.getMessage()); |
| } |
| } |
| return globalSuccess; |
| } else { |
| return true; |
| } |
| } |
| |
| public void setToggles(List<Toggle> toggles) { |
| this.toggles = toggles; |
| } |
| |
| public void setShortCircuit(boolean shortCircuit) { |
| this.shortCircuit = shortCircuit; |
| } |
| |
| public abstract class Toggle { |
| |
| private CrawlerAction action; |
| |
| public void setCrawlerAction(CrawlerAction action) { |
| this.action = action; |
| } |
| |
| public CrawlerAction getCrawlerAction() { |
| return this.action; |
| } |
| |
| public abstract boolean isOn(File product, Metadata productMetadata); |
| |
| } |
| } |