| /* |
| * 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.slider.core.registry.docstore; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.slider.common.tools.SliderFileSystem; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class ConfigUtils { |
| public static final String TEMPLATE_FILE = "template.file"; |
| |
| public static String replaceProps(Map<String, String> config, String content) { |
| Map<String, String> tokens = new HashMap<>(); |
| for (Entry<String, String> entry : config.entrySet()) { |
| tokens.put("${" + entry.getKey() + "}", entry.getValue()); |
| tokens.put("{{" + entry.getKey() + "}}", entry.getValue()); |
| } |
| String value = content; |
| for (Map.Entry<String,String> token : tokens.entrySet()) { |
| value = value.replaceAll(Pattern.quote(token.getKey()), |
| Matcher.quoteReplacement(token.getValue())); |
| } |
| return value; |
| } |
| |
| public static Map<String, String> replacePropsInConfig( |
| Map<String, String> config, Map<String, String> env) { |
| Map<String, String> tokens = new HashMap<>(); |
| for (Entry<String, String> entry : env.entrySet()) { |
| tokens.put("${" + entry.getKey() + "}", entry.getValue()); |
| } |
| Map<String, String> newConfig = new HashMap<>(); |
| for (Entry<String, String> entry : config.entrySet()) { |
| String value = entry.getValue(); |
| for (Map.Entry<String,String> token : tokens.entrySet()) { |
| value = value.replaceAll(Pattern.quote(token.getKey()), |
| Matcher.quoteReplacement(token.getValue())); |
| } |
| newConfig.put(entry.getKey(), entry.getValue()); |
| } |
| return newConfig; |
| } |
| |
| public static void prepConfigForTemplateOutputter(ConfigFormat configFormat, |
| Map<String, String> config, SliderFileSystem fileSystem, |
| String clusterName, String fileName) throws IOException { |
| if (!configFormat.equals(ConfigFormat.TEMPLATE)) { |
| return; |
| } |
| Path templateFile = null; |
| if (config.containsKey(TEMPLATE_FILE)) { |
| templateFile = fileSystem.buildResourcePath(config.get(TEMPLATE_FILE)); |
| if (!fileSystem.isFile(templateFile)) { |
| templateFile = fileSystem.buildResourcePath(clusterName, |
| config.get(TEMPLATE_FILE)); |
| } |
| if (!fileSystem.isFile(templateFile)) { |
| throw new IOException("config specified template file " + config |
| .get(TEMPLATE_FILE) + " but " + templateFile + " doesn't exist"); |
| } |
| } |
| if (templateFile == null && fileName != null) { |
| templateFile = fileSystem.buildResourcePath(fileName); |
| if (!fileSystem.isFile(templateFile)) { |
| templateFile = fileSystem.buildResourcePath(clusterName, |
| fileName); |
| } |
| } |
| if (fileSystem.isFile(templateFile)) { |
| config.put("content", fileSystem.cat(templateFile)); |
| } else { |
| config.put("content", ""); |
| } |
| } |
| } |