001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.hivemind.schema.rules; 016 017import java.util.Map; 018 019import org.apache.hivemind.HiveMind; 020import org.apache.hivemind.Location; 021import org.apache.hivemind.internal.Module; 022import org.apache.hivemind.schema.Translator; 023 024/** 025 * Interprets a string as an extension point id, and provides the elements for that extension point. 026 * Depending on the target property type the elements will be provided as a List or as a Map. 027 * 028 * @author Howard Lewis Ship 029 */ 030public class ConfigurationTranslator implements Translator 031{ 032 public Object translate(Module contributingModule, Class propertyType, String inputValue, 033 Location location) 034 { 035 if (HiveMind.isBlank(inputValue)) 036 return null; 037 038 if (propertyType == Map.class && contributingModule.isConfigurationMappable(inputValue)) 039 return contributingModule.getConfigurationAsMap(inputValue); 040 041 return contributingModule.getConfiguration(inputValue); 042 } 043}