/* * Licensed 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 net.revelc.code.formatter.model; import java.io.IOException; import java.io.InputStream; import java.util.List; import java.util.Map; import org.apache.commons.digester3.Digester; import org.xml.sax.SAXException; /** * This class reads a config file for Eclipse code formatter. * * @author jecki * @author Matt Blanchette */ public class ConfigReader { /** * Read from the <code>input</code> and return it's configuration settings as a {@link Map}. * * @param input * the input * * @return return {@link Map} with all the configurations read from the config file, or throws an exception if * there's a problem reading the input, e.g.: invalid XML. * * @throws IOException * Signals that an I/O exception has occurred. * @throws SAXException * the SAX exception * @throws ConfigReadException * the config read exception */ public Map<String, String> read(InputStream input) throws IOException, SAXException, ConfigReadException { Digester digester = new Digester(); digester.addRuleSet(new RuleSet()); Object result = digester.parse(input); if (result == null || !(result instanceof Profiles)) { throw new ConfigReadException("No profiles found in config file"); } Profiles profiles = (Profiles) result; List<Map<String, String>> list = profiles.getProfiles(); if (list.isEmpty()) { throw new ConfigReadException("No profile in config file of kind: " + Profiles.PROFILE_KIND); } return list.get(0); } }