1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.model.building;
20
21 import java.io.File;
22 import org.apache.maven.model.Model;
23
24 /**
25 * Assists in the handling of model problems.
26 *
27 * @author Benjamin Bentmann
28 */
29 public class ModelProblemUtils {
30
31 /**
32 * Creates a user-friendly source hint for the specified model.
33 *
34 * @param model The model to create a source hint for, may be {@code null}.
35 * @return The user-friendly source hint, never {@code null}.
36 */
37 static String toSourceHint(Model model) {
38 if (model == null) {
39 return "";
40 }
41
42 StringBuilder buffer = new StringBuilder(128);
43
44 buffer.append(toId(model));
45
46 File pomFile = model.getPomFile();
47 if (pomFile != null) {
48 buffer.append(" (").append(pomFile).append(')');
49 }
50
51 return buffer.toString();
52 }
53
54 static String toPath(Model model) {
55 String path = "";
56
57 if (model != null) {
58 File pomFile = model.getPomFile();
59
60 if (pomFile != null) {
61 path = pomFile.getAbsolutePath();
62 }
63 }
64
65 return path;
66 }
67
68 static String toId(Model model) {
69 if (model == null) {
70 return "";
71 }
72 return toId(model.getDelegate());
73 }
74
75 static String toId(org.apache.maven.api.model.Model model) {
76 String groupId = model.getGroupId();
77 if (groupId == null && model.getParent() != null) {
78 groupId = model.getParent().getGroupId();
79 }
80
81 String artifactId = model.getArtifactId();
82
83 String version = model.getVersion();
84 if (version == null && model.getParent() != null) {
85 version = model.getParent().getVersion();
86 }
87 if (version == null) {
88 version = "[unknown-version]";
89 }
90
91 return toId(groupId, artifactId, version);
92 }
93
94 /**
95 * Creates a user-friendly artifact id from the specified coordinates.
96 *
97 * @param groupId The group id, may be {@code null}.
98 * @param artifactId The artifact id, may be {@code null}.
99 * @param version The version, may be {@code null}.
100 * @return The user-friendly artifact id, never {@code null}.
101 */
102 static String toId(String groupId, String artifactId, String version) {
103 StringBuilder buffer = new StringBuilder(128);
104
105 buffer.append((groupId != null && groupId.length() > 0) ? groupId : "[unknown-group-id]");
106 buffer.append(':');
107 buffer.append((artifactId != null && artifactId.length() > 0) ? artifactId : "[unknown-artifact-id]");
108 buffer.append(':');
109 buffer.append((version != null && version.length() > 0) ? version : "[unknown-version]");
110
111 return buffer.toString();
112 }
113
114 /**
115 * Creates a string with all location details for the specified model problem. If the project identifier is
116 * provided, the generated location will omit the model id and source information and only give line/column
117 * information for problems originating directly from this POM.
118 *
119 * @param problem The problem whose location should be formatted, must not be {@code null}.
120 * @param projectId The {@code <groupId>:<artifactId>:<version>} of the corresponding project, may be {@code null}
121 * to force output of model id and source.
122 * @return The formatted problem location or an empty string if unknown, never {@code null}.
123 */
124 public static String formatLocation(ModelProblem problem, String projectId) {
125 StringBuilder buffer = new StringBuilder(256);
126
127 if (!problem.getModelId().equals(projectId)) {
128 buffer.append(problem.getModelId());
129
130 if (problem.getSource().length() > 0) {
131 if (buffer.length() > 0) {
132 buffer.append(", ");
133 }
134 buffer.append(problem.getSource());
135 }
136 }
137
138 if (problem.getLineNumber() > 0) {
139 if (buffer.length() > 0) {
140 buffer.append(", ");
141 }
142 buffer.append("line ").append(problem.getLineNumber());
143 }
144
145 if (problem.getColumnNumber() > 0) {
146 if (buffer.length() > 0) {
147 buffer.append(", ");
148 }
149 buffer.append("column ").append(problem.getColumnNumber());
150 }
151
152 return buffer.toString();
153 }
154 }