| /******************************************************************************* |
| * Copyright (c) 2008-2010 Sonatype, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Sonatype, Inc. - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.m2e.core.embedder; |
| |
| import java.io.Serializable; |
| |
| import org.eclipse.osgi.util.NLS; |
| |
| import org.apache.maven.artifact.Artifact; |
| |
| |
| public class ArtifactKey implements Serializable { |
| private static final long serialVersionUID = -8984509272834024387L; |
| |
| private final String groupId; |
| |
| private final String artifactId; |
| |
| private final String version; |
| |
| private final String classifier; |
| |
| /** |
| * Note that this constructor uses Artifact.getBaseVersion |
| */ |
| public ArtifactKey(Artifact a) { |
| this(a.getGroupId(), a.getArtifactId(), a.getBaseVersion(), null); |
| } |
| |
| public ArtifactKey(org.eclipse.aether.artifact.Artifact a) { |
| this(a.getGroupId(), a.getArtifactId(), a.getBaseVersion(), null); |
| } |
| |
| public ArtifactKey(String groupId, String artifactId, String version, String classifier) { |
| this.groupId = groupId; |
| this.artifactId = artifactId; |
| this.version = version; |
| this.classifier = classifier; |
| } |
| |
| public boolean equals(Object o) { |
| if(this == o) |
| return true; |
| if(o instanceof ArtifactKey) { |
| ArtifactKey other = (ArtifactKey) o; |
| return equals(groupId, other.groupId) && equals(artifactId, other.artifactId) && equals(version, other.version) |
| && equals(classifier, other.classifier); |
| } |
| return false; |
| } |
| |
| public int hashCode() { |
| int hash = 17; |
| hash = hash * 31 + (groupId != null ? groupId.hashCode() : 0); |
| hash = hash * 31 + (artifactId != null ? artifactId.hashCode() : 0); |
| hash = hash * 31 + (version != null ? version.hashCode() : 0); |
| hash = hash * 31 + (classifier != null ? classifier.hashCode() : 0); |
| return hash; |
| } |
| |
| private static boolean equals(Object o1, Object o2) { |
| return o1 == null ? o2 == null : o1.equals(o2); |
| } |
| |
| // XXX this method does not belong here, it compares versions, while ArtifactKey uses baseVersions in many cases |
| public static boolean equals(Artifact a1, Artifact a2) { |
| if(a1 == null) { |
| return a2 == null; |
| } |
| if(a2 == null) { |
| return false; |
| } |
| return equals(a1.getGroupId(), a2.getGroupId()) && equals(a1.getArtifactId(), a2.getArtifactId()) |
| && equals(a1.getVersion(), a2.getVersion()) && equals(a1.getClassifier(), a2.getClassifier()); |
| } |
| |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(groupId).append(':').append(artifactId).append(':').append(version); |
| if(classifier != null) { |
| sb.append(':').append(classifier); |
| } |
| return sb.toString(); |
| } |
| |
| public static ArtifactKey fromPortableString(String str) { |
| int p, c; |
| |
| p = 0; |
| c = nextColonIndex(str, p); |
| String groupId = substring(str, p, c); |
| |
| p = c + 1; |
| c = nextColonIndex(str, p); |
| String artifactId = substring(str, p, c); |
| |
| p = c + 1; |
| c = nextColonIndex(str, p); |
| String version = substring(str, p, c); |
| |
| p = c + 1; |
| c = nextColonIndex(str, p); |
| String classifier = substring(str, p, c); |
| |
| return new ArtifactKey(groupId, artifactId, version, classifier); |
| } |
| |
| private static String substring(String str, int start, int end) { |
| String substring = str.substring(start, end); |
| return "".equals(substring) ? null : substring; //$NON-NLS-1$ |
| } |
| |
| private static int nextColonIndex(String str, int pos) { |
| int idx = str.indexOf(':', pos); |
| if(idx < 0) |
| throw new IllegalArgumentException(NLS.bind("Invalid portable string: {0}", str)); |
| return idx; |
| } |
| |
| public String toPortableString() { |
| StringBuilder sb = new StringBuilder(); |
| if(groupId != null) |
| sb.append(groupId); |
| sb.append(':'); |
| if(artifactId != null) |
| sb.append(artifactId); |
| sb.append(':'); |
| if(version != null) |
| sb.append(version); |
| sb.append(':'); |
| if(classifier != null) |
| sb.append(classifier); |
| sb.append(':'); |
| return sb.toString(); |
| } |
| |
| public String getGroupId() { |
| return groupId; |
| } |
| |
| public String getArtifactId() { |
| return artifactId; |
| } |
| |
| public String getVersion() { |
| return version; |
| } |
| |
| public String getClassifier() { |
| return classifier; |
| } |
| |
| } |