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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.io.File;
import java.util.Map;
import java.util.Objects;
import org.eclipse.aether.artifact.AbstractArtifact;
import org.eclipse.aether.artifact.Artifact;
import static java.util.Objects.requireNonNull;
/**
* An artifact whose identity is derived from another artifact. Note: Instances of this class are immutable and
* the exposed mutators return new objects rather than changing the current instance.
*/
public final class SubArtifact extends AbstractArtifact {
private final Artifact mainArtifact;
private final String classifier;
private final String extension;
private final File file;
private final Map properties;
/**
* Creates a new sub artifact. The classifier and extension specified for this artifact may use the asterisk
* character "*" to refer to the corresponding property of the main artifact. For instance, the classifier
* "*-sources" can be used to refer to the source attachment of an artifact. Likewise, the extension "*.asc" can be
* used to refer to the GPG signature of an artifact.
*
* @param mainArtifact The artifact from which to derive the identity, must not be {@code null}.
* @param classifier The classifier for this artifact, may be {@code null} if none.
* @param extension The extension for this artifact, may be {@code null} if none.
*/
public SubArtifact(Artifact mainArtifact, String classifier, String extension) {
this(mainArtifact, classifier, extension, (File) null);
}
/**
* Creates a new sub artifact. The classifier and extension specified for this artifact may use the asterisk
* character "*" to refer to the corresponding property of the main artifact. For instance, the classifier
* "*-sources" can be used to refer to the source attachment of an artifact. Likewise, the extension "*.asc" can be
* used to refer to the GPG signature of an artifact.
*
* @param mainArtifact The artifact from which to derive the identity, must not be {@code null}.
* @param classifier The classifier for this artifact, may be {@code null} if none.
* @param extension The extension for this artifact, may be {@code null} if none.
* @param file The file for this artifact, may be {@code null} if unresolved.
*/
public SubArtifact(Artifact mainArtifact, String classifier, String extension, File file) {
this(mainArtifact, classifier, extension, null, file);
}
/**
* Creates a new sub artifact. The classifier and extension specified for this artifact may use the asterisk
* character "*" to refer to the corresponding property of the main artifact. For instance, the classifier
* "*-sources" can be used to refer to the source attachment of an artifact. Likewise, the extension "*.asc" can be
* used to refer to the GPG signature of an artifact.
*
* @param mainArtifact The artifact from which to derive the identity, must not be {@code null}.
* @param classifier The classifier for this artifact, may be {@code null} if none.
* @param extension The extension for this artifact, may be {@code null} if none.
* @param properties The properties of the artifact, may be {@code null}.
*/
public SubArtifact(Artifact mainArtifact, String classifier, String extension, Map properties) {
this(mainArtifact, classifier, extension, properties, null);
}
/**
* Creates a new sub artifact. The classifier and extension specified for this artifact may use the asterisk
* character "*" to refer to the corresponding property of the main artifact. For instance, the classifier
* "*-sources" can be used to refer to the source attachment of an artifact. Likewise, the extension "*.asc" can be
* used to refer to the GPG signature of an artifact.
*
* @param mainArtifact The artifact from which to derive the identity, must not be {@code null}.
* @param classifier The classifier for this artifact, may be {@code null} if none.
* @param extension The extension for this artifact, may be {@code null} if none.
* @param properties The properties of the artifact, may be {@code null}.
* @param file The file for this artifact, may be {@code null} if unresolved.
*/
public SubArtifact(
Artifact mainArtifact, String classifier, String extension, Map properties, File file) {
this.mainArtifact = requireNonNull(mainArtifact, "main artifact cannot be null");
this.classifier = classifier;
this.extension = extension;
this.file = file;
this.properties = copyProperties(properties);
}
private SubArtifact(
Artifact mainArtifact, String classifier, String extension, File file, Map properties) {
// NOTE: This constructor assumes immutability of the provided properties, for internal use only
this.mainArtifact = mainArtifact;
this.classifier = classifier;
this.extension = extension;
this.file = file;
this.properties = properties;
}
public String getGroupId() {
return mainArtifact.getGroupId();
}
public String getArtifactId() {
return mainArtifact.getArtifactId();
}
public String getVersion() {
return mainArtifact.getVersion();
}
public String getBaseVersion() {
return mainArtifact.getBaseVersion();
}
public boolean isSnapshot() {
return mainArtifact.isSnapshot();
}
public String getClassifier() {
return expand(classifier, mainArtifact.getClassifier());
}
public String getExtension() {
return expand(extension, mainArtifact.getExtension());
}
public File getFile() {
return file;
}
public Artifact setFile(File file) {
if (Objects.equals(this.file, file)) {
return this;
}
return new SubArtifact(mainArtifact, classifier, extension, file, properties);
}
public Map getProperties() {
return properties;
}
public Artifact setProperties(Map properties) {
if (this.properties.equals(properties) || (properties == null && this.properties.isEmpty())) {
return this;
}
return new SubArtifact(mainArtifact, classifier, extension, properties, file);
}
private static String expand(String pattern, String replacement) {
String result = "";
if (pattern != null) {
result = pattern.replace("*", replacement);
if (replacement.isEmpty()) {
if (pattern.startsWith("*")) {
int i = 0;
for (; i < result.length(); i++) {
char c = result.charAt(i);
if (c != '-' && c != '.') {
break;
}
}
result = result.substring(i);
}
if (pattern.endsWith("*")) {
int i = result.length() - 1;
for (; i >= 0; i--) {
char c = result.charAt(i);
if (c != '-' && c != '.') {
break;
}
}
result = result.substring(0, i + 1);
}
}
}
return result;
}
}
