/**
* 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.pcs.health;
//OODT imports
import org.apache.oodt.pcs.input.PGEConfigurationFile;
import org.apache.oodt.pcs.input.PGEGroup;
import org.apache.oodt.pcs.input.PGEConfigFileReader;
import org.apache.oodt.cas.metadata.util.PathUtils;
//JDK imports
import java.io.FileInputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;
/**
*
* Properties used by the {@link PCSHealthMonitor} tool to determine
* {@link ProductCrawler} status.
*
* @author mattmann
* @version $Revision$
*/
public class CrawlPropertiesFile implements CrawlerPropertiesMetKeys {
private PGEConfigurationFile file;
/**
* Constructs a new CrawlPropertiesFile.
*
* @param filePath
* The path to the CrawlPropertiesFile to load.
* @throws InstantiationException
* If there is some error reading the file.
*/
public CrawlPropertiesFile(String filePath) throws InstantiationException {
try {
this.file = new PGEConfigFileReader().read(new FileInputStream(filePath));
} catch (Exception e) {
throw new InstantiationException(e.getMessage());
}
}
/**
*
* @return A {@link List} of {@link CrawlInfo} objects describing a Crawler.
*/
public List getCrawlers() {
PGEGroup crawlInfo = (PGEGroup) this.file.getPgeSpecificGroups().get(
CRAWLER_INFO_GROUP);
Map scalars = crawlInfo.getScalars();
List crawlers = new Vector(scalars.keySet().size());
for (Iterator i = scalars.keySet().iterator(); i.hasNext();) {
String crawlerName = (String) i.next();
String crawlerPort = crawlInfo.getScalar(crawlerName).getValue();
CrawlInfo info = new CrawlInfo(crawlerName, crawlerPort);
crawlers.add(info);
}
return crawlers;
}
/**
*
* @return The String hostname that the Crawlers run on. This is used by the
* {@link PCSHealthMonitor} tool to communicate with the Crawlers and
* to check their status.
*/
public String getCrawlHost() {
String crawlHost = ((PGEGroup) this.file.getPgeSpecificGroups().get(
CRAWLER_PROPERTIES_GROUP)).getScalar(CRAWLER_HOST_NAME).getValue();
crawlHost = PathUtils.replaceEnvVariables(crawlHost);
return crawlHost;
}
}