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Spring Cloud Contract Shaded Dependencies
/*******************************************************************************
* Copyright (c) 2010, 2013 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.aether.util.artifact;
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 ( !eq( artifact1.getArtifactId(), artifact2.getArtifactId() ) )
{
return false;
}
if ( !eq( artifact1.getGroupId(), artifact2.getGroupId() ) )
{
return false;
}
if ( !eq( artifact1.getExtension(), artifact2.getExtension() ) )
{
return false;
}
if ( !eq( artifact1.getClassifier(), artifact2.getClassifier() ) )
{
return false;
}
if ( !eq( artifact1.getVersion(), artifact2.getVersion() ) )
{
return false;
}
return true;
}
/**
* 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 ( !eq( artifact1.getArtifactId(), artifact2.getArtifactId() ) )
{
return false;
}
if ( !eq( artifact1.getGroupId(), artifact2.getGroupId() ) )
{
return false;
}
if ( !eq( artifact1.getExtension(), artifact2.getExtension() ) )
{
return false;
}
if ( !eq( artifact1.getClassifier(), artifact2.getClassifier() ) )
{
return false;
}
if ( !eq( artifact1.getBaseVersion(), artifact2.getBaseVersion() ) )
{
return false;
}
return true;
}
/**
* 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 ( !eq( artifact1.getArtifactId(), artifact2.getArtifactId() ) )
{
return false;
}
if ( !eq( artifact1.getGroupId(), artifact2.getGroupId() ) )
{
return false;
}
if ( !eq( artifact1.getExtension(), artifact2.getExtension() ) )
{
return false;
}
if ( !eq( artifact1.getClassifier(), artifact2.getClassifier() ) )
{
return false;
}
return true;
}
private static boolean eq( T s1, T s2 )
{
return s1 != null ? s1.equals( s2 ) : s2 == null;
}
}