22303886886

Committed 23 Feb 2026 11:19AM UTC coverage: 70.647% (+0.2%) from 70.474%

Build # 22303886886

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Pull #1714

github

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web-flow

Commit Message

Merge f1f7e1e61 into 379acdc9d

Pull Request Pull Request #1714: #404: #1713: advanced logging

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cli/src/main/java/com/devonfw/tools/ide/version/VersionIdentifier.java

package com.devonfw.tools.ide.version;

import java.util.List;
import java.util.Objects;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.devonfw.tools.ide.cli.CliException;
import com.devonfw.tools.ide.tool.ToolCommandlet;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

/**
 * Data-type to represent a {@link VersionIdentifier} in a structured way and allowing {@link #compareVersion(VersionIdentifier) comparison} of
 * {@link VersionIdentifier}s.
 */
public final class VersionIdentifier implements VersionObject<VersionIdentifier>, GenericVersionRange {

  private static final Logger LOG = LoggerFactory.getLogger(VersionIdentifier.class);

  /** {@link VersionIdentifier} "*" that will resolve to the latest stable version. */
  public static final VersionIdentifier LATEST = new VersionIdentifier(VersionSegment.of("*"));

  /** {@link VersionIdentifier} "*!" that will resolve to the latest snapshot. */
  public static final VersionIdentifier LATEST_UNSTABLE = VersionIdentifier.of("*!");

  private final VersionSegment start;

  private final VersionLetters developmentPhase;

  private final boolean valid;

  private VersionIdentifier(VersionSegment start) {

    super();
    Objects.requireNonNull(start);
    this.start = start;
    boolean isValid = this.start.getSeparator().isEmpty() && this.start.getLettersString().isEmpty();
    boolean hasPositiveNumber = false;
    VersionLetters dev = VersionLetters.EMPTY;
    VersionSegment segment = this.start;
    while (segment != null) {
      if (!segment.isValid()) {
        isValid = false;
      } else if (segment.getNumber() > 0) {
        hasPositiveNumber = true;
      }
      VersionLetters segmentLetters = segment.getLetters();
      if (segmentLetters.isDevelopmentPhase()) {
        if (dev.isEmpty()) {
          dev = segmentLetters;
        } else {
          dev = VersionLetters.UNDEFINED;
          isValid = false;
        }
      }
      segment = segment.getNextOrNull();
    }
    this.developmentPhase = dev;
    this.valid = isValid && hasPositiveNumber;
  }

  /**
   * Resolves a version pattern against a list of available versions.
   *
   * @param version the version pattern to resolve
   * @param versions the
   *     {@link com.devonfw.tools.ide.tool.repository.ToolRepository#getSortedVersions(String, String, ToolCommandlet) available versions, sorted in descending
   *     order}.
   * @return the resolved version
   */
  public static VersionIdentifier resolveVersionPattern(GenericVersionRange version, List<VersionIdentifier> versions) {
    if (version == null) {
      version = LATEST;
    }
    if (!version.isPattern()) {
      for (VersionIdentifier vi : versions) {
        if (vi.equals(version)) {
          LOG.debug("Resolved version {} to version {}", version, vi);
          return vi;
        }
      }
    }
    for (VersionIdentifier vi : versions) {
      if (version.contains(vi)) {
        LOG.debug("Resolved version pattern {} to version {}", version, vi);
        return vi;
      }
    }
    throw new CliException(
        "Could not find any version matching '" + version + "' - there are " + versions.size() + " version(s) available but none matched!");
  }

  /**
   * @return the first {@link VersionSegment} of this {@link VersionIdentifier}. To get other segments use {@link VersionSegment#getNextOrEmpty()} or
   *     {@link VersionSegment#getNextOrNull()}.
   */
  public VersionSegment getStart() {

    return this.start;
  }

  /**
   * A valid {@link VersionIdentifier} has to meet the following requirements:
   * <ul>
   * <li>All {@link VersionSegment segments} themselves are {@link VersionSegment#isValid() valid}.</li>
   * <li>The {@link #getStart() start} {@link VersionSegment segment} shall have an {@link String#isEmpty() empty}
   * {@link VersionSegment#getSeparator() separator} (e.g. ".1.0" or "-1-2" are not considered valid).</li>
   * <li>The {@link #getStart() start} {@link VersionSegment segment} shall have an {@link String#isEmpty() empty}
   * {@link VersionSegment#getLettersString() letter-sequence} (e.g. "RC1" or "beta" are not considered valid).</li>
   * <li>Have at least one {@link VersionSegment segment} with a positive {@link VersionSegment#getNumber() number}
   * (e.g. "0.0.0" or "0.alpha" are not considered valid).</li>
   * <li>Have at max one {@link VersionSegment segment} with a {@link VersionSegment#getPhase() phase} that is a real
   * {@link VersionPhase#isDevelopmentPhase() development phase} (e.g. "1.alpha1.beta2" or "1.0.rc1-milestone2" are not
   * considered valid).</li>
   * <li>It is NOT a {@link #isPattern() pattern}.</li>
   * </ul>
   */
  @Override
  public boolean isValid() {

    return this.valid;
  }

  @Override
  public boolean isPattern() {

    VersionSegment segment = this.start;
    while (segment != null) {
      if (segment.isPattern()) {
        return true;
      }
      segment = segment.getNextOrNull();
    }
    return false;
  }


  /**
   * @return {@code true} if this is a stable version, {@code false} otherwise.
   * @see VersionLetters#isStable()
   */
  public boolean isStable() {

    return this.developmentPhase.isStable();
  }

  /**
   * @return the {@link VersionLetters#isDevelopmentPhase() development phase} of this {@link VersionIdentifier}. Will be {@link VersionLetters#EMPTY} if no
   *     development phase is specified in any {@link VersionSegment} and will be {@link VersionLetters#UNDEFINED} if more than one
   *     {@link VersionLetters#isDevelopmentPhase() development phase} is specified (e.g. "1.0-alpha1.rc2").
   */
  public VersionLetters getDevelopmentPhase() {

    return this.developmentPhase;
  }

  @Override
  public VersionComparisonResult compareVersion(VersionIdentifier other) {

    if (other == null) {
      return VersionComparisonResult.GREATER_UNSAFE;
    }
    VersionSegment thisSegment = this.start;
    VersionSegment otherSegment = other.start;
    VersionComparisonResult result = null;
    boolean unsafe = false;
    boolean todo = true;
    do {
      result = thisSegment.compareVersion(otherSegment);
      if (result.isEqual()) {
        if (thisSegment.isEmpty() && otherSegment.isEmpty()) {
          todo = false;
        } else if (result.isUnsafe()) {
          unsafe = true;
        }
      } else {
        todo = false;
      }
      thisSegment = thisSegment.getNextOrEmpty();
      otherSegment = otherSegment.getNextOrEmpty();
    } while (todo);
    if (unsafe) {
      return result.withUnsafe();
    }
    return result;
  }

  /**
   * @param other the {@link VersionIdentifier} to be matched.
   * @return {@code true} if this {@link VersionIdentifier} is equal to the given {@link VersionIdentifier} or this {@link VersionIdentifier} is a pattern
   *     version (e.g. "17*" or "17.*") and the given {@link VersionIdentifier} matches to that pattern.
   */
  public boolean matches(VersionIdentifier other) {

    if (other == null) {
      return false;
    }
    VersionSegment thisSegment = this.start;
    VersionSegment otherSegment = other.start;
    while (true) {
      VersionMatchResult matchResult = thisSegment.matches(otherSegment);
      if (matchResult == VersionMatchResult.MATCH) {
        return true;
      } else if (matchResult == VersionMatchResult.MISMATCH) {
        return false;
      }
      thisSegment = thisSegment.getNextOrEmpty();
      otherSegment = otherSegment.getNextOrEmpty();
    }
  }

  /**
   * Increment the specified segment. For examples see {@code VersionIdentifierTest.testIncrement()}.
   *
   * @param digitNumber the index of the {@link VersionSegment} to increment. All segments before will remain untouched and all following segments will be
   *     set to zero.
   * @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
   * @return the incremented {@link VersionIdentifier}.
   */
  public VersionIdentifier incrementSegment(int digitNumber, boolean keepLetters) {

    if (isPattern()) {
      throw new IllegalStateException("Cannot increment version pattern: " + toString());
    }
    VersionSegment newStart = this.start.increment(digitNumber, keepLetters);
    return new VersionIdentifier(newStart);
  }

  /**
   * Increment the first digit (major version).
   *
   * @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
   * @return the incremented {@link VersionIdentifier}.
   * @see #incrementSegment(int, boolean)
   */
  public VersionIdentifier incrementMajor(boolean keepLetters) {
    return incrementSegment(0, keepLetters);
  }

  /**
   * Increment the second digit (minor version).
   *
   * @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
   * @return the incremented {@link VersionIdentifier}.
   * @see #incrementSegment(int, boolean)
   */
  public VersionIdentifier incrementMinor(boolean keepLetters) {
    return incrementSegment(1, keepLetters);
  }

  /**
   * Increment the third digit (patch or micro version).
   *
   * @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
   * @return the incremented {@link VersionIdentifier}.
   * @see #incrementSegment(int, boolean)
   */
  public VersionIdentifier incrementPatch(boolean keepLetters) {
    return incrementSegment(2, keepLetters);
  }

  /**
   * Increment the last segment.
   *
   * @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
   * @return the incremented {@link VersionIdentifier}.
   * @see #incrementSegment(int, boolean)
   */
  public VersionIdentifier incrementLastDigit(boolean keepLetters) {

    return incrementSegment(this.start.countDigits() - 1, keepLetters);
  }

  @Override
  public VersionIdentifier getMin() {

    return this;
  }

  @Override
  public VersionIdentifier getMax() {

    return this;
  }

  @Override
  public boolean contains(VersionIdentifier version) {

    return matches(version);
  }

  @Override
  public int hashCode() {

    VersionSegment segment = this.start;
    int hash = 1;
    while (segment != null) {
      hash = hash * 31 + segment.hashCode();
      segment = segment.getNextOrNull();
    }
    return hash;
  }

  @Override
  public boolean equals(Object obj) {

    if (obj == this) {
      return true;
    } else if (!(obj instanceof VersionIdentifier)) {
      return false;
    }
    VersionIdentifier other = (VersionIdentifier) obj;
    return Objects.equals(this.start, other.start);
  }

  @Override
  @JsonSerialize
  public String toString() {

    StringBuilder sb = new StringBuilder();
    VersionSegment segment = this.start;
    while (segment != null) {
      sb.append(segment.toString());
      segment = segment.getNextOrNull();
    }
    return sb.toString();
  }

  /**
   * @param version the {@link #toString() string representation} of the {@link VersionIdentifier} to parse.
   * @return the parsed {@link VersionIdentifier}.
   */
  @JsonCreator
  public static VersionIdentifier of(String version) {

    if (version == null) {
      return null;
    }
    version = version.trim();
    if (version.equals("latest") || version.equals("*")) {
      return VersionIdentifier.LATEST;
    }
    assert !version.contains(" ") && !version.contains("\n") && !version.contains("\t") : version;
    VersionSegment startSegment = VersionSegment.of(version);
    if (startSegment == null) {
      return null;
    }
    return new VersionIdentifier(startSegment);
  }

  /**
   * @param v1 the first {@link VersionIdentifier}.
   * @param v2 the second {@link VersionIdentifier}.
   * @param treatNullAsNegativeInfinity {@code true} to treat {@code null} as negative infinity, {@code false} otherwise (positive infinity).
   * @return the null-safe {@link #compareVersion(VersionIdentifier) comparison} of the two {@link VersionIdentifier}s.
   */
  public static VersionComparisonResult compareVersion(VersionIdentifier v1, VersionIdentifier v2, boolean treatNullAsNegativeInfinity) {

    if (v1 == null) {
      if (v2 == null) {
        return VersionComparisonResult.EQUAL;
      } else if (treatNullAsNegativeInfinity) {
        return VersionComparisonResult.LESS;
      }
      return VersionComparisonResult.GREATER;
    } else if (v2 == null) {
      if (treatNullAsNegativeInfinity) {
        return VersionComparisonResult.GREATER;
      }
      return VersionComparisonResult.LESS;
    }
    return v1.compareVersion(v2);
  }

}

1	package com.devonfw.tools.ide.version;
2
3	import java.util.List;
4	import java.util.Objects;
5
6	import org.slf4j.Logger;
7	import org.slf4j.LoggerFactory;
8
9	import com.devonfw.tools.ide.cli.CliException;
10	import com.devonfw.tools.ide.tool.ToolCommandlet;
11	import com.fasterxml.jackson.annotation.JsonCreator;
12	import com.fasterxml.jackson.databind.annotation.JsonSerialize;
13
14	/**
15	* Data-type to represent a {@link VersionIdentifier} in a structured way and allowing {@link #compareVersion(VersionIdentifier) comparison} of
16	* {@link VersionIdentifier}s.
17	*/
18	public final class VersionIdentifier implements VersionObject<VersionIdentifier>, GenericVersionRange {
19
20	private static final Logger LOG = LoggerFactory.getLogger(VersionIdentifier.class);	3✔
21
22	/** {@link VersionIdentifier} "" that will resolve to the latest stable version. /
23	public static final VersionIdentifier LATEST = new VersionIdentifier(VersionSegment.of("*"));	6✔
24
25	/** {@link VersionIdentifier} "!" that will resolve to the latest snapshot. /
26	public static final VersionIdentifier LATEST_UNSTABLE = VersionIdentifier.of("*!");	4✔
27
28	private final VersionSegment start;
29
30	private final VersionLetters developmentPhase;
31
32	private final boolean valid;
33
34	private VersionIdentifier(VersionSegment start) {
35
36	super();	2✔
37	Objects.requireNonNull(start);	3✔
38	this.start = start;	3✔
39	boolean isValid = this.start.getSeparator().isEmpty() && this.start.getLettersString().isEmpty();	14✔
40	boolean hasPositiveNumber = false;	2✔
41	VersionLetters dev = VersionLetters.EMPTY;	2✔
42	VersionSegment segment = this.start;	3✔
43	while (segment != null) {	2✔
44	if (!segment.isValid()) {	3✔
45	isValid = false;	3✔
46	} else if (segment.getNumber() > 0) {	3✔
47	hasPositiveNumber = true;	2✔
48	}
49	VersionLetters segmentLetters = segment.getLetters();	3✔
50	if (segmentLetters.isDevelopmentPhase()) {	3✔
51	if (dev.isEmpty()) {	3✔
52	dev = segmentLetters;	3✔
53	} else {
54	dev = VersionLetters.UNDEFINED;	2✔
55	isValid = false;	2✔
56	}
57	}
58	segment = segment.getNextOrNull();	3✔
59	}	1✔
60	this.developmentPhase = dev;	3✔
61	this.valid = isValid && hasPositiveNumber;	9✔
62	}	1✔
63
64	/**
65	* Resolves a version pattern against a list of available versions.
66	*
67	* @param version the version pattern to resolve
68	* @param versions the
69	* {@link com.devonfw.tools.ide.tool.repository.ToolRepository#getSortedVersions(String, String, ToolCommandlet) available versions, sorted in descending
70	* order}.
71	* @return the resolved version
72	*/
73	public static VersionIdentifier resolveVersionPattern(GenericVersionRange version, List<VersionIdentifier> versions) {
74	if (version == null) {	2!
75	version = LATEST;	×
76	}
77	if (!version.isPattern()) {	3✔
78	for (VersionIdentifier vi : versions) {	10!
79	if (vi.equals(version)) {	4✔
80	LOG.debug("Resolved version {} to version {}", version, vi);	5✔
81	return vi;	2✔
82	}
83	}	1✔
84	}
85	for (VersionIdentifier vi : versions) {	10!
86	if (version.contains(vi)) {	4✔
87	LOG.debug("Resolved version pattern {} to version {}", version, vi);	5✔
88	return vi;	2✔
89	}
90	}	1✔
91	throw new CliException(	×
92	"Could not find any version matching '" + version + "' - there are " + versions.size() + " version(s) available but none matched!");	×
93	}
94
95	/**
96	* @return the first {@link VersionSegment} of this {@link VersionIdentifier}. To get other segments use {@link VersionSegment#getNextOrEmpty()} or
97	* {@link VersionSegment#getNextOrNull()}.
98	*/
99	public VersionSegment getStart() {
100
101	return this.start;	3✔
102	}
103
104	/**
105	* A valid {@link VersionIdentifier} has to meet the following requirements:
106	* <ul>
107	* <li>All {@link VersionSegment segments} themselves are {@link VersionSegment#isValid() valid}.</li>
108	* <li>The {@link #getStart() start} {@link VersionSegment segment} shall have an {@link String#isEmpty() empty}
109	* {@link VersionSegment#getSeparator() separator} (e.g. ".1.0" or "-1-2" are not considered valid).</li>
110	* <li>The {@link #getStart() start} {@link VersionSegment segment} shall have an {@link String#isEmpty() empty}
111	* {@link VersionSegment#getLettersString() letter-sequence} (e.g. "RC1" or "beta" are not considered valid).</li>
112	* <li>Have at least one {@link VersionSegment segment} with a positive {@link VersionSegment#getNumber() number}
113	* (e.g. "0.0.0" or "0.alpha" are not considered valid).</li>
114	* <li>Have at max one {@link VersionSegment segment} with a {@link VersionSegment#getPhase() phase} that is a real
115	* {@link VersionPhase#isDevelopmentPhase() development phase} (e.g. "1.alpha1.beta2" or "1.0.rc1-milestone2" are not
116	* considered valid).</li>
117	* <li>It is NOT a {@link #isPattern() pattern}.</li>
118	* </ul>
119	*/
120	@Override
121	public boolean isValid() {
122
123	return this.valid;	3✔
124	}
125
126	@Override
127	public boolean isPattern() {
128
129	VersionSegment segment = this.start;	3✔
130	while (segment != null) {	2✔
131	if (segment.isPattern()) {	3✔
132	return true;	2✔
133	}
134	segment = segment.getNextOrNull();	4✔
135	}
136	return false;	2✔
137	}
138
139
140	/**
141	* @return {@code true} if this is a stable version, {@code false} otherwise.
142	* @see VersionLetters#isStable()
143	*/
144	public boolean isStable() {
145
146	return this.developmentPhase.isStable();	4✔
147	}
148
149	/**
150	* @return the {@link VersionLetters#isDevelopmentPhase() development phase} of this {@link VersionIdentifier}. Will be {@link VersionLetters#EMPTY} if no
151	* development phase is specified in any {@link VersionSegment} and will be {@link VersionLetters#UNDEFINED} if more than one
152	* {@link VersionLetters#isDevelopmentPhase() development phase} is specified (e.g. "1.0-alpha1.rc2").
153	*/
154	public VersionLetters getDevelopmentPhase() {
155
156	return this.developmentPhase;	3✔
157	}
158
159	@Override
160	public VersionComparisonResult compareVersion(VersionIdentifier other) {
161
162	if (other == null) {	2✔
163	return VersionComparisonResult.GREATER_UNSAFE;	2✔
164	}
165	VersionSegment thisSegment = this.start;	3✔
166	VersionSegment otherSegment = other.start;	3✔
167	VersionComparisonResult result = null;	2✔
168	boolean unsafe = false;	2✔
169	boolean todo = true;	2✔
170	do {
171	result = thisSegment.compareVersion(otherSegment);	4✔
172	if (result.isEqual()) {	3✔
173	if (thisSegment.isEmpty() && otherSegment.isEmpty()) {	6!
174	todo = false;	3✔
175	} else if (result.isUnsafe()) {	3!
176	unsafe = true;	×
177	}
178	} else {
179	todo = false;	2✔
180	}
181	thisSegment = thisSegment.getNextOrEmpty();	3✔
182	otherSegment = otherSegment.getNextOrEmpty();	3✔
183	} while (todo);	2✔
184	if (unsafe) {	2!
185	return result.withUnsafe();	×
186	}
187	return result;	2✔
188	}
189
190	/**
191	* @param other the {@link VersionIdentifier} to be matched.
192	* @return {@code true} if this {@link VersionIdentifier} is equal to the given {@link VersionIdentifier} or this {@link VersionIdentifier} is a pattern
193	* version (e.g. "17" or "17.") and the given {@link VersionIdentifier} matches to that pattern.
194	*/
195	public boolean matches(VersionIdentifier other) {
196
197	if (other == null) {	2✔
198	return false;	2✔
199	}
200	VersionSegment thisSegment = this.start;	3✔
201	VersionSegment otherSegment = other.start;	3✔
202	while (true) {
203	VersionMatchResult matchResult = thisSegment.matches(otherSegment);	4✔
204	if (matchResult == VersionMatchResult.MATCH) {	3✔
205	return true;	2✔
206	} else if (matchResult == VersionMatchResult.MISMATCH) {	3✔
207	return false;	2✔
208	}
209	thisSegment = thisSegment.getNextOrEmpty();	3✔
210	otherSegment = otherSegment.getNextOrEmpty();	3✔
211	}	1✔
212	}
213
214	/**
215	* Increment the specified segment. For examples see {@code VersionIdentifierTest.testIncrement()}.
216	*
217	* @param digitNumber the index of the {@link VersionSegment} to increment. All segments before will remain untouched and all following segments will be
218	* set to zero.
219	* @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
220	* @return the incremented {@link VersionIdentifier}.
221	*/
222	public VersionIdentifier incrementSegment(int digitNumber, boolean keepLetters) {
223
224	if (isPattern()) {	3!
225	throw new IllegalStateException("Cannot increment version pattern: " + toString());	×
226	}
227	VersionSegment newStart = this.start.increment(digitNumber, keepLetters);	6✔
228	return new VersionIdentifier(newStart);	5✔
229	}
230
231	/**
232	* Increment the first digit (major version).
233	*
234	* @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
235	* @return the incremented {@link VersionIdentifier}.
236	* @see #incrementSegment(int, boolean)
237	*/
238	public VersionIdentifier incrementMajor(boolean keepLetters) {
239	return incrementSegment(0, keepLetters);	5✔
240	}
241
242	/**
243	* Increment the second digit (minor version).
244	*
245	* @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
246	* @return the incremented {@link VersionIdentifier}.
247	* @see #incrementSegment(int, boolean)
248	*/
249	public VersionIdentifier incrementMinor(boolean keepLetters) {
250	return incrementSegment(1, keepLetters);	5✔
251	}
252
253	/**
254	* Increment the third digit (patch or micro version).
255	*
256	* @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
257	* @return the incremented {@link VersionIdentifier}.
258	* @see #incrementSegment(int, boolean)
259	*/
260	public VersionIdentifier incrementPatch(boolean keepLetters) {
261	return incrementSegment(2, keepLetters);	5✔
262	}
263
264	/**
265	* Increment the last segment.
266	*
267	* @param keepLetters {@code true} to keep {@link VersionSegment#getLetters() letters} from modified segments, {@code false} to drop them.
268	* @return the incremented {@link VersionIdentifier}.
269	* @see #incrementSegment(int, boolean)
270	*/
271	public VersionIdentifier incrementLastDigit(boolean keepLetters) {
272
273	return incrementSegment(this.start.countDigits() - 1, keepLetters);	9✔
274	}
275
276	@Override
277	public VersionIdentifier getMin() {
278
279	return this;	×
280	}
281
282	@Override
283	public VersionIdentifier getMax() {
284
285	return this;	×
286	}
287
288	@Override
289	public boolean contains(VersionIdentifier version) {
290
291	return matches(version);	4✔
292	}
293
294	@Override
295	public int hashCode() {
296
297	VersionSegment segment = this.start;	×
298	int hash = 1;	×
299	while (segment != null) {	×
300	hash = hash * 31 + segment.hashCode();	×
301	segment = segment.getNextOrNull();	×
302	}
303	return hash;	×
304	}
305
306	@Override
307	public boolean equals(Object obj) {
308
309	if (obj == this) {	3✔
310	return true;	2✔
311	} else if (!(obj instanceof VersionIdentifier)) {	3✔
312	return false;	2✔
313	}
314	VersionIdentifier other = (VersionIdentifier) obj;	3✔
315	return Objects.equals(this.start, other.start);	6✔
316	}
317
318	@Override
319	@JsonSerialize
320	public String toString() {
321
322	StringBuilder sb = new StringBuilder();	4✔
323	VersionSegment segment = this.start;	3✔
324	while (segment != null) {	2✔
325	sb.append(segment.toString());	5✔
326	segment = segment.getNextOrNull();	4✔
327	}
328	return sb.toString();	3✔
329	}
330
331	/**
332	* @param version the {@link #toString() string representation} of the {@link VersionIdentifier} to parse.
333	* @return the parsed {@link VersionIdentifier}.
334	*/
335	@JsonCreator
336	public static VersionIdentifier of(String version) {
337
338	if (version == null) {	2✔
339	return null;	2✔
340	}
341	version = version.trim();	3✔
342	if (version.equals("latest") \|\| version.equals("*")) {	8!
343	return VersionIdentifier.LATEST;	2✔
344	}
345	assert !version.contains(" ") && !version.contains("\n") && !version.contains("\t") : version;	13!
346	VersionSegment startSegment = VersionSegment.of(version);	3✔
347	if (startSegment == null) {	2✔
348	return null;	2✔
349	}
350	return new VersionIdentifier(startSegment);	5✔
351	}
352
353	/**
354	* @param v1 the first {@link VersionIdentifier}.
355	* @param v2 the second {@link VersionIdentifier}.
356	* @param treatNullAsNegativeInfinity {@code true} to treat {@code null} as negative infinity, {@code false} otherwise (positive infinity).
357	* @return the null-safe {@link #compareVersion(VersionIdentifier) comparison} of the two {@link VersionIdentifier}s.
358	*/
359	public static VersionComparisonResult compareVersion(VersionIdentifier v1, VersionIdentifier v2, boolean treatNullAsNegativeInfinity) {
360
361	if (v1 == null) {	2✔
362	if (v2 == null) {	2!
363	return VersionComparisonResult.EQUAL;	×
364	} else if (treatNullAsNegativeInfinity) {	2✔
365	return VersionComparisonResult.LESS;	2✔
366	}
367	return VersionComparisonResult.GREATER;	2✔
368	} else if (v2 == null) {	2✔
369	if (treatNullAsNegativeInfinity) {	2✔
370	return VersionComparisonResult.GREATER;	2✔
371	}
372	return VersionComparisonResult.LESS;	2✔
373	}
374	return v1.compareVersion(v2);	4✔
375	}
376
377	}

devonfw / IDEasy / 22303886886

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