| /* |
| * 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.nifi.controller; |
| |
| import org.apache.nifi.components.PropertyDescriptor; |
| import org.apache.nifi.parameter.ExpressionLanguageAgnosticParameterParser; |
| import org.apache.nifi.parameter.ExpressionLanguageAwareParameterParser; |
| import org.apache.nifi.parameter.ParameterParser; |
| import org.apache.nifi.parameter.ParameterReference; |
| import org.apache.nifi.parameter.ParameterTokenList; |
| import org.apache.nifi.util.CharacterFilterUtils; |
| |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class PropertyConfigurationMapper { |
| private final ParameterParser elAgnosticParameterParser = new ExpressionLanguageAgnosticParameterParser(); |
| private final ParameterParser elAwareParameterParser = new ExpressionLanguageAwareParameterParser(); |
| |
| public Map<String, PropertyConfiguration> mapRawPropertyValuesToPropertyConfiguration(final ComponentNode componentNode, final Map<String, String> rawPropertyValues) { |
| final Map<String, PropertyConfiguration> configurationMap = new LinkedHashMap<>(); |
| |
| for (final Map.Entry<String, String> entry : rawPropertyValues.entrySet()) { |
| final String propertyName = entry.getKey(); |
| final String propertyValue = entry.getValue(); |
| final PropertyDescriptor propertyDescriptor = componentNode.getPropertyDescriptor(propertyName); |
| final PropertyConfiguration configuration = mapRawPropertyValuesToPropertyConfiguration(propertyDescriptor, propertyValue); |
| configurationMap.put(propertyName, configuration); |
| } |
| |
| return configurationMap; |
| } |
| |
| public PropertyConfiguration mapRawPropertyValuesToPropertyConfiguration(final PropertyDescriptor propertyDescriptor, final String propertyValue) { |
| final String updatedValue = CharacterFilterUtils.filterInvalidXmlCharacters(propertyValue); |
| |
| // Use the EL-Agnostic Parameter Parser to gather the list of referenced Parameters. We do this because we want to to keep track of which parameters |
| // are referenced, regardless of whether or not they are referenced from within an EL Expression. However, we also will need to derive a different ParameterTokenList |
| // that we can provide to the PropertyConfiguration, so that when compiling the Expression Language Expressions, we are able to keep the Parameter Reference within |
| // the Expression's text. |
| final ParameterTokenList updatedValueReferences = elAgnosticParameterParser.parseTokens(updatedValue); |
| final List<ParameterReference> parameterReferences = updatedValueReferences.toReferenceList(); |
| |
| final PropertyConfiguration propertyConfiguration; |
| final boolean supportsEL = propertyDescriptor.isExpressionLanguageSupported(); |
| if (supportsEL) { |
| return new PropertyConfiguration(updatedValue, elAwareParameterParser.parseTokens(updatedValue), parameterReferences); |
| } else { |
| return new PropertyConfiguration(updatedValue, updatedValueReferences, parameterReferences); |
| } |
| |
| } |
| |
| } |