+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2010, 2012 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.artifact;
-
-import java.io.File;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-/**
- * A skeleton class for artifacts.
- */
-public abstract class AbstractArtifact
- implements Artifact
-{
-
- private static final String SNAPSHOT = "SNAPSHOT";
-
- private static final Pattern SNAPSHOT_TIMESTAMP = Pattern.compile( "^(.*-)?([0-9]{8}\\.[0-9]{6}-[0-9]+)$" );
-
- public boolean isSnapshot()
- {
- return isSnapshot( getVersion() );
- }
-
- private static boolean isSnapshot( String version )
- {
- return version.endsWith( SNAPSHOT ) || SNAPSHOT_TIMESTAMP.matcher( version ).matches();
- }
-
- public String getBaseVersion()
- {
- return toBaseVersion( getVersion() );
- }
-
- private static String toBaseVersion( String version )
- {
- String baseVersion;
-
- if ( version == null )
- {
- baseVersion = version;
- }
- else if ( version.startsWith( "[" ) || version.startsWith( "(" ) )
- {
- baseVersion = version;
- }
- else
- {
- Matcher m = SNAPSHOT_TIMESTAMP.matcher( version );
- if ( m.matches() )
- {
- if ( m.group( 1 ) != null )
- {
- baseVersion = m.group( 1 ) + SNAPSHOT;
- }
- else
- {
- baseVersion = SNAPSHOT;
- }
- }
- else
- {
- baseVersion = version;
- }
- }
-
- return baseVersion;
- }
-
- /**
- * Creates a new artifact with the specified coordinates, properties and file.
- *
- * @param version The version of the artifact, may be {@code null}.
- * @param properties The properties of the artifact, may be {@code null} if none. The method may assume immutability
- * of the supplied map, i.e. need not copy it.
- * @param file The resolved file of the artifact, may be {@code null}.
- * @return The new artifact instance, never {@code null}.
- */
- private Artifact newInstance( String version, Map<String, String> properties, File file )
- {
- return new DefaultArtifact( getGroupId(), getArtifactId(), getClassifier(), getExtension(), version, file,
- properties );
- }
-
- public Artifact setVersion( String version )
- {
- String current = getVersion();
- if ( current.equals( version ) || ( version == null && current.length() <= 0 ) )
- {
- return this;
- }
- return newInstance( version, getProperties(), getFile() );
- }
-
- public Artifact setFile( File file )
- {
- File current = getFile();
- if ( ( current == null ) ? file == null : current.equals( file ) )
- {
- return this;
- }
- return newInstance( getVersion(), getProperties(), file );
- }
-
- public Artifact setProperties( Map<String, String> properties )
- {
- Map<String, String> current = getProperties();
- if ( current.equals( properties ) || ( properties == null && current.isEmpty() ) )
- {
- return this;
- }
- return newInstance( getVersion(), copyProperties( properties ), getFile() );
- }
-
- public String getProperty( String key, String defaultValue )
- {
- String value = getProperties().get( key );
- return ( value != null ) ? value : defaultValue;
- }
-
- /**
- * Copies the specified artifact properties. This utility method should be used when creating new artifact instances
- * with caller-supplied properties.
- *
- * @param properties The properties to copy, may be {@code null}.
- * @return The copied and read-only properties, never {@code null}.
- */
- protected static Map<String, String> copyProperties( Map<String, String> properties )
- {
- if ( properties != null && !properties.isEmpty() )
- {
- return Collections.unmodifiableMap( new HashMap<String, String>( properties ) );
- }
- else
- {
- return Collections.emptyMap();
- }
- }
-
- @Override
- public String toString()
- {
- StringBuilder buffer = new StringBuilder( 128 );
- buffer.append( getGroupId() );
- buffer.append( ':' ).append( getArtifactId() );
- buffer.append( ':' ).append( getExtension() );
- if ( getClassifier().length() > 0 )
- {
- buffer.append( ':' ).append( getClassifier() );
- }
- buffer.append( ':' ).append( getVersion() );
- return buffer.toString();
- }
-
- /**
- * Compares this artifact with the specified object.
- *
- * @param obj The object to compare this artifact against, may be {@code null}.
- * @return {@code true} if and only if the specified object is another {@link Artifact} with equal coordinates,
- * properties and file, {@code false} otherwise.
- */
- @Override
- public boolean equals( Object obj )
- {
- if ( obj == this )
- {
- return true;
- }
- else if ( !( obj instanceof Artifact ) )
- {
- return false;
- }
-
- Artifact that = (Artifact) obj;
-
- return getArtifactId().equals( that.getArtifactId() ) && getGroupId().equals( that.getGroupId() )
- && getVersion().equals( that.getVersion() ) && getExtension().equals( that.getExtension() )
- && getClassifier().equals( that.getClassifier() ) && eq( getFile(), that.getFile() )
- && getProperties().equals( that.getProperties() );
- }
-
- private static <T> boolean eq( T s1, T s2 )
- {
- return s1 != null ? s1.equals( s2 ) : s2 == null;
- }
-
- /**
- * Returns a hash code for this artifact.
- *
- * @return A hash code for the artifact.
- */
- @Override
- public int hashCode()
- {
- int hash = 17;
- hash = hash * 31 + getGroupId().hashCode();
- hash = hash * 31 + getArtifactId().hashCode();
- hash = hash * 31 + getExtension().hashCode();
- hash = hash * 31 + getClassifier().hashCode();
- hash = hash * 31 + getVersion().hashCode();
- hash = hash * 31 + hash( getFile() );
- return hash;
- }
-
- private static int hash( Object obj )
- {
- return ( obj != null ) ? obj.hashCode() : 0;
- }
-
-}
projects / gpl / argeo-slc.git / blobdiff