1 package org.apache.maven.model.normalization; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import org.apache.maven.model.Model; 23 import org.apache.maven.model.building.ModelBuildingRequest; 24 import org.apache.maven.model.building.ModelProblemCollector; 25 26 /** 27 * Handles normalization of a model. In this context, normalization is the process of producing a canonical 28 * representation for models that physically look different but are semantically equivalent. 29 * 30 * @author Benjamin Bentmann 31 */ 32 public interface ModelNormalizer 33 { 34 35 /** 36 * Merges duplicate elements like multiple declarations of the same build plugin in the specified model. 37 * 38 * @param model The model whose duplicate elements should be merged, must not be {@code null}. 39 * @param request The model building request that holds further settings, must not be {@code null}. 40 * @param problems The container used to collect problems that were encountered, must not be {@code null}. 41 */ 42 void mergeDuplicates( Model model, ModelBuildingRequest request, ModelProblemCollector problems ); 43 44 /** 45 * Sets default values in the specified model that for technical reasons cannot be set directly in the Modello 46 * definition. 47 * 48 * @param model The model in which to set the default values, must not be {@code null}. 49 * @param request The model building request that holds further settings, must not be {@code null}. 50 * @param problems The container used to collect problems that were encountered, must not be {@code null}. 51 */ 52 void injectDefaultValues( Model model, ModelBuildingRequest request, ModelProblemCollector problems ); 53 54 }