1 // =================== DO NOT EDIT THIS FILE ====================
2 // Generated by Modello Velocity from model.vm
3 // template, any modifications will be overwritten.
4 // ==============================================================
5 package org.apache.maven.api.model;
6
7 import java.io.Serializable;
8 import java.util.Collections;
9 import java.util.HashMap;
10 import java.util.Map;
11 import java.util.Set;
12 import org.apache.maven.api.annotations.Experimental;
13 import org.apache.maven.api.annotations.Generated;
14 import org.apache.maven.api.annotations.Immutable;
15 import org.apache.maven.api.annotations.Nonnull;
16 import org.apache.maven.api.annotations.NotThreadSafe;
17 import org.apache.maven.api.annotations.ThreadSafe;
18
19 /**
20 * The {@code <parent>} element contains information required to locate the parent project from which
21 * this project will inherit from.
22 * <p><strong>Note:</strong> The children of this element are not interpolated and must be given as literal values.</p>
23 */
24 @Experimental
25 @Generated @ThreadSafe @Immutable
26 public class Parent
27 implements Serializable, InputLocationTracker
28 {
29 /**
30 * The group id of the parent project to inherit from.
31 */
32 final String groupId;
33 /**
34 * The artifact id of the parent project to inherit from.
35 */
36 final String artifactId;
37 /**
38 * The version of the parent project to inherit.
39 */
40 final String version;
41 /**
42 * The relative path of the parent {@code pom.xml} file within the checkout.
43 * If not specified, it defaults to {@code ../pom.xml}.
44 * Maven looks for the parent POM first in this location on
45 * the filesystem, then the local repository, and lastly in the remote repo.
46 * {@code relativePath} allows you to select a different location,
47 * for example when your structure is flat, or deeper without an intermediate parent POM.
48 * However, the group ID, artifact ID and version are still required,
49 * and must match the file in the location given, or it will revert to the repository for the POM.
50 * This feature is only for enhancing the development in a local checkout of that project.
51 * Set the value to an empty string in case you want to disable the feature and always resolve
52 * the parent POM from the repositories.
53 */
54 final String relativePath;
55 /** Locations (this potentially hides the same name field from the super class) */
56 final Map<Object, InputLocation> locations;
57 /** Location tracking */
58 final InputLocation importedFrom;
59
60 /**
61 * Constructor for this class, to be called from its subclasses and {@link Builder}.
62 * @see Builder#build()
63 */
64 protected Parent(Builder builder) {
65 this.groupId = builder.groupId != null ? builder.groupId : (builder.base != null ? builder.base.groupId : null);
66 this.artifactId = builder.artifactId != null ? builder.artifactId : (builder.base != null ? builder.base.artifactId : null);
67 this.version = builder.version != null ? builder.version : (builder.base != null ? builder.base.version : null);
68 this.relativePath = builder.relativePath != null ? builder.relativePath : (builder.base != null ? builder.base.relativePath : null);
69 Map<Object, InputLocation> newlocs = builder.locations != null ? builder.locations : Collections.emptyMap();
70 Map<Object, InputLocation> oldlocs = builder.base != null && builder.base.locations != null ? builder.base.locations : Collections.emptyMap();
71 Map<Object, InputLocation> mutableLocations = new HashMap<>();
72 this.importedFrom = builder.importedFrom;
73 mutableLocations.put("", newlocs.containsKey("") ? newlocs.get("") : oldlocs.get(""));
74 mutableLocations.put("groupId", newlocs.containsKey("groupId") ? newlocs.get("groupId") : oldlocs.get("groupId"));
75 mutableLocations.put("artifactId", newlocs.containsKey("artifactId") ? newlocs.get("artifactId") : oldlocs.get("artifactId"));
76 mutableLocations.put("version", newlocs.containsKey("version") ? newlocs.get("version") : oldlocs.get("version"));
77 mutableLocations.put("relativePath", newlocs.containsKey("relativePath") ? newlocs.get("relativePath") : oldlocs.get("relativePath"));
78 this.locations = Collections.unmodifiableMap(mutableLocations);
79 }
80
81 /**
82 * The group id of the parent project to inherit from.
83 *
84 * @return a {@code String}
85 */
86 public String getGroupId() {
87 return this.groupId;
88 }
89
90 /**
91 * The artifact id of the parent project to inherit from.
92 *
93 * @return a {@code String}
94 */
95 public String getArtifactId() {
96 return this.artifactId;
97 }
98
99 /**
100 * The version of the parent project to inherit.
101 *
102 * @return a {@code String}
103 */
104 public String getVersion() {
105 return this.version;
106 }
107
108 /**
109 * The relative path of the parent {@code pom.xml} file within the checkout.
110 * If not specified, it defaults to {@code ../pom.xml}.
111 * Maven looks for the parent POM first in this location on
112 * the filesystem, then the local repository, and lastly in the remote repo.
113 * {@code relativePath} allows you to select a different location,
114 * for example when your structure is flat, or deeper without an intermediate parent POM.
115 * However, the group ID, artifact ID and version are still required,
116 * and must match the file in the location given, or it will revert to the repository for the POM.
117 * This feature is only for enhancing the development in a local checkout of that project.
118 * Set the value to an empty string in case you want to disable the feature and always resolve
119 * the parent POM from the repositories.
120 *
121 * @return a {@code String}
122 */
123 public String getRelativePath() {
124 return this.relativePath;
125 }
126
127 /**
128 * Gets the location of the specified field in the input source.
129 */
130 public InputLocation getLocation(Object key) {
131 return locations != null ? locations.get(key) : null;
132 }
133
134 /**
135 * Gets the keys of the locations of the input source.
136 */
137 public Set<Object> getLocationKeys() {
138 return locations != null ? locations.keySet() : null;
139 }
140
141 /**
142 * Gets the input location that caused this model to be read.
143 */
144 public InputLocation getImportedFrom()
145 {
146 return importedFrom;
147 }
148
149 /**
150 * Creates a new builder with this object as the basis.
151 *
152 * @return a {@code Builder}
153 */
154 @Nonnull
155 public Builder with() {
156 return newBuilder(this);
157 }
158 /**
159 * Creates a new {@code Parent} instance using the specified groupId.
160 *
161 * @param groupId the new {@code String} to use
162 * @return a {@code Parent} with the specified groupId
163 */
164 @Nonnull
165 public Parent withGroupId(String groupId) {
166 return newBuilder(this, true).groupId(groupId).build();
167 }
168 /**
169 * Creates a new {@code Parent} instance using the specified artifactId.
170 *
171 * @param artifactId the new {@code String} to use
172 * @return a {@code Parent} with the specified artifactId
173 */
174 @Nonnull
175 public Parent withArtifactId(String artifactId) {
176 return newBuilder(this, true).artifactId(artifactId).build();
177 }
178 /**
179 * Creates a new {@code Parent} instance using the specified version.
180 *
181 * @param version the new {@code String} to use
182 * @return a {@code Parent} with the specified version
183 */
184 @Nonnull
185 public Parent withVersion(String version) {
186 return newBuilder(this, true).version(version).build();
187 }
188 /**
189 * Creates a new {@code Parent} instance using the specified relativePath.
190 *
191 * @param relativePath the new {@code String} to use
192 * @return a {@code Parent} with the specified relativePath
193 */
194 @Nonnull
195 public Parent withRelativePath(String relativePath) {
196 return newBuilder(this, true).relativePath(relativePath).build();
197 }
198
199 /**
200 * Creates a new {@code Parent} instance.
201 * Equivalent to {@code newInstance(true)}.
202 * @see #newInstance(boolean)
203 *
204 * @return a new {@code Parent}
205 */
206 @Nonnull
207 public static Parent newInstance() {
208 return newInstance(true);
209 }
210
211 /**
212 * Creates a new {@code Parent} instance using default values or not.
213 * Equivalent to {@code newBuilder(withDefaults).build()}.
214 *
215 * @param withDefaults the boolean indicating whether default values should be used
216 * @return a new {@code Parent}
217 */
218 @Nonnull
219 public static Parent newInstance(boolean withDefaults) {
220 return newBuilder(withDefaults).build();
221 }
222
223 /**
224 * Creates a new {@code Parent} builder instance.
225 * Equivalent to {@code newBuilder(true)}.
226 * @see #newBuilder(boolean)
227 *
228 * @return a new {@code Builder}
229 */
230 @Nonnull
231 public static Builder newBuilder() {
232 return newBuilder(true);
233 }
234
235 /**
236 * Creates a new {@code Parent} builder instance using default values or not.
237 *
238 * @param withDefaults the boolean indicating whether default values should be used
239 * @return a new {@code Builder}
240 */
241 @Nonnull
242 public static Builder newBuilder(boolean withDefaults) {
243 return new Builder(withDefaults);
244 }
245
246 /**
247 * Creates a new {@code Parent} builder instance using the specified object as a basis.
248 * Equivalent to {@code newBuilder(from, false)}.
249 *
250 * @param from the {@code Parent} instance to use as a basis
251 * @return a new {@code Builder}
252 */
253 @Nonnull
254 public static Builder newBuilder(Parent from) {
255 return newBuilder(from, false);
256 }
257
258 /**
259 * Creates a new {@code Parent} builder instance using the specified object as a basis.
260 *
261 * @param from the {@code Parent} instance to use as a basis
262 * @param forceCopy the boolean indicating if a copy should be forced
263 * @return a new {@code Builder}
264 */
265 @Nonnull
266 public static Builder newBuilder(Parent from, boolean forceCopy) {
267 return new Builder(from, forceCopy);
268 }
269
270 /**
271 * Builder class used to create Parent instances.
272 * @see #with()
273 * @see #newBuilder()
274 */
275 @NotThreadSafe
276 public static class Builder
277 {
278 Parent base;
279 String groupId;
280 String artifactId;
281 String version;
282 String relativePath;
283 Map<Object, InputLocation> locations;
284 InputLocation importedFrom;
285
286 protected Builder(boolean withDefaults) {
287 if (withDefaults) {
288 this.relativePath = "..";
289 }
290 }
291
292 protected Builder(Parent base, boolean forceCopy) {
293 if (forceCopy) {
294 this.groupId = base.groupId;
295 this.artifactId = base.artifactId;
296 this.version = base.version;
297 this.relativePath = base.relativePath;
298 this.locations = base.locations;
299 this.importedFrom = base.importedFrom;
300 } else {
301 this.base = base;
302 }
303 }
304
305 @Nonnull
306 public Builder groupId(String groupId) {
307 this.groupId = groupId;
308 return this;
309 }
310
311 @Nonnull
312 public Builder artifactId(String artifactId) {
313 this.artifactId = artifactId;
314 return this;
315 }
316
317 @Nonnull
318 public Builder version(String version) {
319 this.version = version;
320 return this;
321 }
322
323 @Nonnull
324 public Builder relativePath(String relativePath) {
325 this.relativePath = relativePath;
326 return this;
327 }
328
329
330 @Nonnull
331 public Builder location(Object key, InputLocation location) {
332 if (location != null) {
333 if (!(this.locations instanceof HashMap)) {
334 this.locations = this.locations != null ? new HashMap<>(this.locations) : new HashMap<>();
335 }
336 this.locations.put(key, location);
337 }
338 return this;
339 }
340
341 @Nonnull
342 public Builder importedFrom(InputLocation importedFrom) {
343 this.importedFrom = importedFrom;
344 return this;
345 }
346
347 @Nonnull
348 public Parent build() {
349 // this method should not contain any logic other than creating (or reusing) an object in order to ease subclassing
350 if (base != null
351 && (groupId == null || groupId == base.groupId)
352 && (artifactId == null || artifactId == base.artifactId)
353 && (version == null || version == base.version)
354 && (relativePath == null || relativePath == base.relativePath)
355 ) {
356 return base;
357 }
358 return new Parent(this);
359 }
360 }
361
362
363
364 /**
365 * @return the id as {@code groupId:artifactId:version}
366 */
367 public String getId() {
368 return getGroupId() + ":" + getArtifactId() + ":pom:" + getVersion();
369 }
370
371 @Override
372 public String toString() {
373 return getId();
374 }
375
376
377 }