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/*******************************************************************************
* 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 v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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;
}
}
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