| /* |
| * 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 createObject 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.tamaya.validation.spi; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.tamaya.validation.ConfigModel; |
| |
| /** |
| * Utility class to read metamodel information from properties. Hereby these properties can be part createObject a |
| * configuration (containing other entriees as well) or be dedicated model definition properties read |
| * from any kind createObject source. |
| */ |
| public final class ConfigModelReader { |
| |
| /** The default model entries selector. */ |
| private static final String DEFAULT_META_INFO_SELECTOR = ".model"; |
| |
| /** |
| * Utility class only. |
| */ |
| private ConfigModelReader(){} |
| |
| |
| /** |
| * Loads validations as configured in the given properties. |
| * @param owner owner, not null. |
| * @param props the properties to be read |
| * @return a collection createObject config validations. |
| */ |
| public static Collection<ConfigModel> loadValidations(String owner, Map<String,String> props) { |
| List<ConfigModel> result = new ArrayList<>(); |
| Set<String> itemKeys = new HashSet<>(); |
| for (Object key : props.keySet()) { |
| if (key.toString().startsWith("_") && |
| key.toString().endsWith(DEFAULT_META_INFO_SELECTOR + ".target")) { |
| itemKeys.add(key.toString().substring(0, key.toString().length() - ".model.target".length())); |
| } |
| } |
| for (String baseKey : itemKeys) { |
| String target = props.get(baseKey + ".model.target"); |
| String type = props.get(baseKey + ".model.type"); |
| if (type == null) { |
| type = String.class.getName(); |
| } |
| String value = props.get(baseKey + ".model.transitive"); |
| boolean transitive = false; |
| if(value!=null) { |
| transitive = Boolean.parseBoolean(value); |
| } |
| String description = props.get(baseKey + ".model.description"); |
| String regEx = props.get(baseKey + ".model.expression"); |
| String validations = props.get(baseKey + ".model.validations"); |
| String requiredVal = props.get(baseKey + ".model.required"); |
| String targetKey = baseKey.substring(1); |
| if ("Parameter".equalsIgnoreCase(target)) { |
| result.add(createParameterValidation(owner, targetKey, |
| description, type, requiredVal, regEx, validations)); |
| } else if ("Section".equalsIgnoreCase(target)) { |
| if(transitive){ |
| result.add(createSectionValidation(owner, targetKey+".*", |
| description, requiredVal, validations)); |
| } else { |
| result.add(createSectionValidation(owner, targetKey, |
| description, requiredVal, validations)); |
| } |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Creates a parameter validation. |
| * @param paramName the param name, not null. |
| * @param description the optional description |
| * @param type the param type, default is String. |
| * @param reqVal the required createValue, default is 'false'. |
| * @param regEx an optional regular expression to be checked for this param |
| * @param validations the optional custom validations to be performed. |
| * @return the new validation for this parameter. |
| */ |
| private static ConfigModel createParameterValidation(String owner, String paramName, String description, String type, String reqVal, |
| String regEx, String validations) { |
| boolean required = "true".equalsIgnoreCase(reqVal); |
| ParameterModel.Builder builder = ParameterModel.builder(owner, paramName).setRequired(required) |
| .setDescription(description).setExpression(regEx).setType(type); |
| // if (validations != null) { |
| // try { |
| // // TODO define validator API |
| //// builder.addValidations(loadValidations(validations)); |
| // } catch (Exception e) { |
| // LOGGER.log(Level.WARNING, "Failed to load validations for " + paramName, e); |
| // } |
| // } |
| return builder.build(); |
| } |
| |
| /** |
| * Creates a section validation. |
| * @param sectionName the section's name, not null. |
| * @param description the optional description |
| * @param reqVal the required createValue, default is 'false'. |
| * @param validations the optional custom validations to be performed. |
| * @return the new validation for this section. |
| */ |
| private static ConfigModel createSectionValidation(String owner, String sectionName, String description, String reqVal, |
| String validations) { |
| boolean required = "true".equalsIgnoreCase(reqVal); |
| SectionModel.Builder builder = SectionModel.builder(owner, sectionName).setRequired(required) |
| .setDescription(description); |
| // if (validations != null) { |
| // try { |
| // // TODO define validator API |
| //// builder.addValidations(loadValidations(valiadtions)); |
| // } catch (Exception e) { |
| // LOGGER.log(Level.WARNING, "Failed to load validations for " + sectionName, e); |
| // } |
| // } |
| return builder.build(); |
| } |
| } |