1 package org.apache.maven.model.interpolation;
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 import java.io.File;
27
28 /**
29 * Replaces expressions of the form <code>${token}</code> with their effective values. Effective values are basically
30 * calculated from the elements of the model itself and the execution properties from the building request.
31 *
32 * @author jdcasey
33 */
34 public interface ModelInterpolator
35 {
36
37 /**
38 * Interpolates expressions in the specified model. Note that implementations are free to either interpolate the
39 * provided model directly or to create a clone of the model and interpolate the clone. Callers should always use
40 * the returned model and must not rely on the input model being updated.
41 *
42 * @param model The model to interpolate, must not be {@code null}.
43 * @param projectDir The project directory, may be {@code null} if the model does not belong to a local project but
44 * to some artifact's metadata.
45 * @param request The model building request that holds further settings, must not be {@code null}.
46 * @param problems The container used to collect problems that were encountered, must not be {@code null}.
47 * @return The interpolated model, never {@code null}.
48 */
49 Model interpolateModel( Model model, File projectDir, ModelBuildingRequest request,
50 ModelProblemCollector problems );
51
52 }