| /* |
| * 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.pushpull.config; |
| |
| //JDK imports |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.util.HashMap; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| //OODT imports |
| import org.apache.oodt.cas.pushpull.exceptions.ConfigException; |
| import org.apache.oodt.cas.pushpull.filerestrictions.Parser; |
| import org.apache.oodt.cas.pushpull.retrievalmethod.RetrievalMethod; |
| import org.apache.oodt.cas.metadata.util.PathUtils; |
| import org.apache.oodt.commons.xml.XMLUtils; |
| |
| /** |
| * |
| * @author bfoster |
| * @version $Revision$ |
| * |
| * <p> |
| * Describe your class here |
| * </p>. |
| */ |
| public class ParserInfo implements ConfigParserMetKeys{ |
| |
| private HashMap<String, String> parserToRetrievalMethodMap; |
| |
| /* our log stream */ |
| private static final Logger LOG = Logger.getLogger(ParserInfo.class |
| .getName()); |
| |
| public ParserInfo() { |
| parserToRetrievalMethodMap = new HashMap<String, String>(); |
| } |
| |
| public void loadParserInfo(File xmlFile) throws ConfigException { |
| try { |
| NodeList rmList = XMLUtils.getDocumentRoot(new FileInputStream(xmlFile)) |
| .getElementsByTagName(RETRIEVAL_METHOD_TAG); |
| for (int i = 0; i < rmList.getLength(); i++) { |
| |
| // get rm element |
| Node rmNode = rmList.item(i); |
| |
| // get classpath for this rm |
| String rmClasspath = PathUtils |
| .replaceEnvVariables(((Element) rmNode) |
| .getAttribute(CLASS_ATTR)); |
| |
| // get all login info for this source |
| NodeList parserList = ((Element) rmNode) |
| .getElementsByTagName(PARSER_TAG); |
| for (int j = 0; j < parserList.getLength(); j++) { |
| |
| // get a single login info |
| Node parserNode = parserList.item(j); |
| String parserClasspath = PathUtils |
| .replaceEnvVariables(((Element) parserNode) |
| .getAttribute(CLASS_ATTR)); |
| |
| LOG.log(Level.INFO, "Assiging parser '" + parserClasspath |
| + "' with retrievalmethod '" + rmClasspath + "'"); |
| this.parserToRetrievalMethodMap.put(parserClasspath, |
| rmClasspath); |
| } |
| } |
| } catch (Exception e) { |
| throw new ConfigException("Failed to load Parser info : " |
| + e.getMessage()); |
| } |
| } |
| |
| public Class<RetrievalMethod> getRetrievalMethod(Parser parser) |
| throws ClassNotFoundException { |
| System.out.println(parser.getClass().getCanonicalName()); |
| return (Class<RetrievalMethod>) Class |
| .forName(this.parserToRetrievalMethodMap.get(parser.getClass() |
| .getCanonicalName())); |
| } |
| |
| } |