| /* |
| * 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.jackrabbit.oak.doc.doxia.jcr; |
| |
| import org.h2.bnf.Bnf; |
| import org.h2.server.web.PageParser; |
| import org.h2.tools.Csv; |
| import org.h2.util.IOUtils; |
| import org.h2.util.StringUtils; |
| |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.sql.ResultSet; |
| import java.sql.ResultSetMetaData; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * JCR 2.0 / SQL-2 railroad generator. |
| */ |
| public class Railroad { |
| |
| private final Map<String, String> map; |
| |
| public Railroad(String fileName) throws Exception { |
| Bnf bnf = Bnf.getInstance(getReader(fileName)); |
| Csv csv = new Csv(); |
| csv.setLineCommentCharacter('#'); |
| ResultSet rs = csv.read(getReader(fileName), null); |
| |
| map = map(bnf, rs); |
| } |
| |
| public String render(String topic) { |
| return map.get(topic); |
| } |
| |
| public static String getLink(String topic) { |
| String link = topic.toLowerCase(); |
| link = link.replace(' ', '_'); |
| // link = StringUtils.replaceAll(link, "_", ""); |
| link = link.replace('@', '_'); |
| |
| return link; |
| } |
| |
| private Map<String, String> map(Bnf bnf, ResultSet rs) throws Exception { |
| Map<String, String> map = new LinkedHashMap<String, String>(); |
| try { |
| while (rs.next()) { |
| ResultSetMetaData meta = rs.getMetaData(); |
| for (int i = 0; i < meta.getColumnCount(); i++) { |
| String k = StringUtils.toLowerEnglish(meta.getColumnLabel(i + 1)); |
| String value = rs.getString(i + 1); |
| value = value.trim(); |
| map.put(k, PageParser.escapeHtml(value)); |
| } |
| String topic = rs.getString("TOPIC"); |
| String syntax = rs.getString("SYNTAX").trim(); |
| |
| BnfRailroad r = new BnfRailroad(); |
| String railroad = r.getHtml(bnf, syntax); |
| map.put(topic, railroad); |
| } |
| } finally { |
| IOUtils.closeSilently(rs); |
| } |
| |
| return map; |
| } |
| |
| private static Reader getReader(String fileName) throws IOException { |
| return new FileReader(new File(fileName)); |
| } |
| } |