| /* |
| * 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.metadata.util.PathUtils.doDynamicReplacement; |
| |
| //JDK imports |
| import java.io.File; |
| import java.util.logging.Level; |
| |
| //Apache imports |
| import org.apache.commons.lang.Validate; |
| |
| //OODT imports |
| import org.apache.oodt.cas.crawl.structs.exceptions.CrawlerActionException; |
| import org.apache.oodt.cas.metadata.Metadata; |
| import org.apache.oodt.commons.exec.ExecUtils; |
| |
| /** |
| * Execute some external command as a {@link CrawlerAction} response. |
| * |
| * @author bfoster (Brian Foster) |
| */ |
| public class ExternAction extends CrawlerAction { |
| |
| private String executeCommand; |
| private String workingDir; |
| |
| @Override |
| public boolean performAction(File product, Metadata productMetadata) |
| throws CrawlerActionException { |
| try { |
| String envReplacedExecuteCommand = doDynamicReplacement( |
| executeCommand, productMetadata); |
| return ExecUtils.callProgram( |
| envReplacedExecuteCommand, |
| LOG, |
| new File(workingDir != null ? doDynamicReplacement(workingDir, |
| productMetadata) : product.getParent())) == 0; |
| } catch (Exception e) { |
| LOG.log(Level.SEVERE, "Failed to execute extern command '" |
| + executeCommand + "' : " + e.getMessage(), e); |
| return false; |
| } |
| } |
| |
| @Override |
| public void validate() throws CrawlerActionException { |
| super.validate(); |
| try { |
| Validate.notNull(executeCommand, "Must specify executeCommand"); |
| } catch (Exception e) { |
| throw new CrawlerActionException(e); |
| } |
| } |
| |
| public void setExecuteCommand(String executeCommand) { |
| this.executeCommand = executeCommand; |
| } |
| |
| public void setWorkingDir(String workingDir) throws Exception { |
| this.workingDir = workingDir; |
| } |
| } |