org.eclipse.aether.util.artifact.ArtifactIdUtils Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.eclipse.aether.util.artifact;
import java.util.Objects;
import org.eclipse.aether.artifact.Artifact;
/**
* A utility class for artifact identifiers.
*/
public final class ArtifactIdUtils {
private static final char SEP = ':';
private ArtifactIdUtils() {
// hide constructor
}
/**
* Creates an artifact identifier of the form {@code ::[:]:}.
*
* @param artifact The artifact to create an identifer for, may be {@code null}.
* @return The artifact identifier or {@code null} if the input was {@code null}.
*/
public static String toId(Artifact artifact) {
String id = null;
if (artifact != null) {
id = toId(
artifact.getGroupId(),
artifact.getArtifactId(),
artifact.getExtension(),
artifact.getClassifier(),
artifact.getVersion());
}
return id;
}
/**
* Creates an artifact identifier of the form {@code ::[:]:}.
*
* @param groupId The group id, may be {@code null}.
* @param artifactId The artifact id, may be {@code null}.
* @param extension The file extensiion, may be {@code null}.
* @param classifier The classifier, may be {@code null}.
* @param version The version, may be {@code null}.
* @return The artifact identifier, never {@code null}.
*/
public static String toId(String groupId, String artifactId, String extension, String classifier, String version) {
StringBuilder buffer = concat(groupId, artifactId, extension, classifier);
buffer.append(SEP);
if (version != null) {
buffer.append(version);
}
return buffer.toString();
}
/**
* Creates an artifact identifier of the form
* {@code ::[:]:}.
*
* @param artifact The artifact to create an identifer for, may be {@code null}.
* @return The artifact identifier or {@code null} if the input was {@code null}.
*/
public static String toBaseId(Artifact artifact) {
String id = null;
if (artifact != null) {
id = toId(
artifact.getGroupId(),
artifact.getArtifactId(),
artifact.getExtension(),
artifact.getClassifier(),
artifact.getBaseVersion());
}
return id;
}
/**
* Creates an artifact identifier of the form {@code ::[:]}.
*
* @param artifact The artifact to create an identifer for, may be {@code null}.
* @return The artifact identifier or {@code null} if the input was {@code null}.
*/
public static String toVersionlessId(Artifact artifact) {
String id = null;
if (artifact != null) {
id = toVersionlessId(
artifact.getGroupId(), artifact.getArtifactId(), artifact.getExtension(), artifact.getClassifier());
}
return id;
}
/**
* Creates an artifact identifier of the form {@code ::[:]}.
*
* @param groupId The group id, may be {@code null}.
* @param artifactId The artifact id, may be {@code null}.
* @param extension The file extensiion, may be {@code null}.
* @param classifier The classifier, may be {@code null}.
* @return The artifact identifier, never {@code null}.
*/
public static String toVersionlessId(String groupId, String artifactId, String extension, String classifier) {
return concat(groupId, artifactId, extension, classifier).toString();
}
private static StringBuilder concat(String groupId, String artifactId, String extension, String classifier) {
StringBuilder buffer = new StringBuilder(128);
if (groupId != null) {
buffer.append(groupId);
}
buffer.append(SEP);
if (artifactId != null) {
buffer.append(artifactId);
}
buffer.append(SEP);
if (extension != null) {
buffer.append(extension);
}
if (classifier != null && classifier.length() > 0) {
buffer.append(SEP).append(classifier);
}
return buffer;
}
/**
* Determines whether two artifacts have the same identifier. This method is equivalent to calling
* {@link String#equals(Object)} on the return values from {@link #toId(Artifact)} for the artifacts but does not
* incur the overhead of creating temporary strings.
*
* @param artifact1 The first artifact, may be {@code null}.
* @param artifact2 The second artifact, may be {@code null}.
* @return {@code true} if both artifacts are not {@code null} and have equal ids, {@code false} otherwise.
*/
public static boolean equalsId(Artifact artifact1, Artifact artifact2) {
if (artifact1 == null || artifact2 == null) {
return false;
}
if (!Objects.equals(artifact1.getArtifactId(), artifact2.getArtifactId())) {
return false;
}
if (!Objects.equals(artifact1.getGroupId(), artifact2.getGroupId())) {
return false;
}
if (!Objects.equals(artifact1.getExtension(), artifact2.getExtension())) {
return false;
}
if (!Objects.equals(artifact1.getClassifier(), artifact2.getClassifier())) {
return false;
}
return Objects.equals(artifact1.getVersion(), artifact2.getVersion());
}
/**
* Determines whether two artifacts have the same base identifier. This method is equivalent to calling
* {@link String#equals(Object)} on the return values from {@link #toBaseId(Artifact)} for the artifacts but does
* not incur the overhead of creating temporary strings.
*
* @param artifact1 The first artifact, may be {@code null}.
* @param artifact2 The second artifact, may be {@code null}.
* @return {@code true} if both artifacts are not {@code null} and have equal base ids, {@code false} otherwise.
*/
public static boolean equalsBaseId(Artifact artifact1, Artifact artifact2) {
if (artifact1 == null || artifact2 == null) {
return false;
}
if (!Objects.equals(artifact1.getArtifactId(), artifact2.getArtifactId())) {
return false;
}
if (!Objects.equals(artifact1.getGroupId(), artifact2.getGroupId())) {
return false;
}
if (!Objects.equals(artifact1.getExtension(), artifact2.getExtension())) {
return false;
}
if (!Objects.equals(artifact1.getClassifier(), artifact2.getClassifier())) {
return false;
}
return Objects.equals(artifact1.getBaseVersion(), artifact2.getBaseVersion());
}
/**
* Determines whether two artifacts have the same versionless identifier. This method is equivalent to calling
* {@link String#equals(Object)} on the return values from {@link #toVersionlessId(Artifact)} for the artifacts but
* does not incur the overhead of creating temporary strings.
*
* @param artifact1 The first artifact, may be {@code null}.
* @param artifact2 The second artifact, may be {@code null}.
* @return {@code true} if both artifacts are not {@code null} and have equal versionless ids, {@code false}
* otherwise.
*/
public static boolean equalsVersionlessId(Artifact artifact1, Artifact artifact2) {
if (artifact1 == null || artifact2 == null) {
return false;
}
if (!Objects.equals(artifact1.getArtifactId(), artifact2.getArtifactId())) {
return false;
}
if (!Objects.equals(artifact1.getGroupId(), artifact2.getGroupId())) {
return false;
}
if (!Objects.equals(artifact1.getExtension(), artifact2.getExtension())) {
return false;
}
return Objects.equals(artifact1.getClassifier(), artifact2.getClassifier());
}
}
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