1
2
3
4
5 package org.apache.maven.api.settings;
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.Objects;
12 import java.util.Optional;
13 import java.util.Set;
14 import java.util.stream.Collectors;
15 import java.util.stream.Stream;
16 import org.apache.maven.api.annotations.Experimental;
17 import org.apache.maven.api.annotations.Generated;
18 import org.apache.maven.api.annotations.Immutable;
19 import org.apache.maven.api.annotations.Nonnull;
20 import org.apache.maven.api.annotations.NotThreadSafe;
21 import org.apache.maven.api.annotations.ThreadSafe;
22
23
24
25
26
27
28 @Experimental
29 @Generated @ThreadSafe @Immutable
30 public class ActivationProperty
31 implements Serializable, InputLocationTracker
32 {
33
34
35
36 final String name;
37
38
39
40 final String value;
41
42 final Map<Object, InputLocation> locations;
43
44 final InputLocation importedFrom;
45
46
47
48
49
50 protected ActivationProperty(Builder builder) {
51 this.name = builder.name != null ? builder.name : (builder.base != null ? builder.base.name : null);
52 this.value = builder.value != null ? builder.value : (builder.base != null ? builder.base.value : null);
53 this.locations = builder.computeLocations();
54 this.importedFrom = builder.importedFrom;
55 }
56
57
58
59
60
61
62 public String getName() {
63 return this.name;
64 }
65
66
67
68
69
70
71 public String getValue() {
72 return this.value;
73 }
74
75
76
77
78 public InputLocation getLocation(Object key) {
79 return locations.get(key);
80 }
81
82
83
84
85 public Set<Object> getLocationKeys() {
86 return locations.keySet();
87 }
88
89 protected Stream<Object> getLocationKeyStream() {
90 return locations.keySet().stream();
91 }
92
93
94
95
96 public InputLocation getImportedFrom() {
97 return importedFrom;
98 }
99
100
101
102
103
104
105 @Nonnull
106 public Builder with() {
107 return newBuilder(this);
108 }
109
110
111
112
113
114
115 @Nonnull
116 public ActivationProperty withName(String name) {
117 return newBuilder(this, true).name(name).build();
118 }
119
120
121
122
123
124
125 @Nonnull
126 public ActivationProperty withValue(String value) {
127 return newBuilder(this, true).value(value).build();
128 }
129
130
131
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133
134
135
136
137 @Nonnull
138 public static ActivationProperty newInstance() {
139 return newInstance(true);
140 }
141
142
143
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146
147
148
149 @Nonnull
150 public static ActivationProperty newInstance(boolean withDefaults) {
151 return newBuilder(withDefaults).build();
152 }
153
154
155
156
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158
159
160
161 @Nonnull
162 public static Builder newBuilder() {
163 return newBuilder(true);
164 }
165
166
167
168
169
170
171
172 @Nonnull
173 public static Builder newBuilder(boolean withDefaults) {
174 return new Builder(withDefaults);
175 }
176
177
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180
181
182
183
184 @Nonnull
185 public static Builder newBuilder(ActivationProperty from) {
186 return newBuilder(from, false);
187 }
188
189
190
191
192
193
194
195
196 @Nonnull
197 public static Builder newBuilder(ActivationProperty from, boolean forceCopy) {
198 return new Builder(from, forceCopy);
199 }
200
201
202
203
204
205
206 @NotThreadSafe
207 public static class Builder
208 {
209 ActivationProperty base;
210 String name;
211 String value;
212 Map<Object, InputLocation> locations;
213 InputLocation importedFrom;
214
215 protected Builder(boolean withDefaults) {
216 if (withDefaults) {
217 }
218 }
219
220 protected Builder(ActivationProperty base, boolean forceCopy) {
221 if (forceCopy) {
222 this.name = base.name;
223 this.value = base.value;
224 this.locations = base.locations;
225 this.importedFrom = base.importedFrom;
226 } else {
227 this.base = base;
228 }
229 }
230
231 @Nonnull
232 public Builder name(String name) {
233 this.name = name;
234 return this;
235 }
236
237 @Nonnull
238 public Builder value(String value) {
239 this.value = value;
240 return this;
241 }
242
243
244 @Nonnull
245 public Builder location(Object key, InputLocation location) {
246 if (location != null) {
247 if (!(this.locations instanceof HashMap)) {
248 this.locations = this.locations != null ? new HashMap<>(this.locations) : new HashMap<>();
249 }
250 this.locations.put(key, location);
251 }
252 return this;
253 }
254
255 @Nonnull
256 public Builder importedFrom(InputLocation importedFrom) {
257 this.importedFrom = importedFrom;
258 return this;
259 }
260
261 @Nonnull
262 public ActivationProperty build() {
263
264 if (base != null
265 && (name == null || name == base.name)
266 && (value == null || value == base.value)
267 ) {
268 return base;
269 }
270 return new ActivationProperty(this);
271 }
272
273 Map<Object, InputLocation> computeLocations() {
274 Map<Object, InputLocation> newlocs = locations != null ? locations : Map.of();
275 Map<Object, InputLocation> oldlocs = base != null ? base.locations : Map.of();
276 if (newlocs.isEmpty()) {
277 return Map.copyOf(oldlocs);
278 }
279 if (oldlocs.isEmpty()) {
280 return Map.copyOf(newlocs);
281 }
282 return Stream.concat(newlocs.entrySet().stream(), oldlocs.entrySet().stream())
283
284 .collect(Collectors.toUnmodifiableMap(Map.Entry::getKey, Map.Entry::getValue, (v1, v2) -> v1));
285 }
286 }
287
288 }