| /** |
| * 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.apache.maven.mercury.artifact.version; |
| |
| import org.apache.maven.mercury.artifact.Quality; |
| import org.apache.maven.mercury.artifact.QualityEnum; |
| import org.apache.maven.mercury.artifact.QualityRange; |
| import org.codehaus.plexus.lang.DefaultLanguage; |
| import org.codehaus.plexus.lang.Language; |
| |
| /** |
| * Single range implementation, similar to OSGi specification: |
| * |
| * [1.2.3, 4.5.6) 1.2.3 <= x < 4.5.6 |
| * [1.2.3, 4.5.6] 1.2.3 <= x <= 4.5.6 |
| * (1.2.3, 4.5.6) 1.2.3 < x < 4.5.6 |
| * (1.2.3, 4.5.6] 1.2.3 < x <= 4.5.6 |
| * 1.2.3 1.2.3 <= x - this one is configurable nowadays |
| * |
| * @author Oleg Gusakov |
| * @version $Id$ |
| */ |
| class MavenVersionRange |
| implements VersionRange |
| { |
| public static final String SYSTEM_PARAMETER_OSGI_VERSION = "maven.mercury.osgi.version"; |
| public static final String SYSTEM_PARAMETER_OSGI_VERSION_DEFAULT = "false"; |
| private boolean _osgiVersion = Boolean.parseBoolean( System.getProperty( SYSTEM_PARAMETER_OSGI_VERSION, SYSTEM_PARAMETER_OSGI_VERSION_DEFAULT ) ); |
| |
| private static final DefaultArtifactVersion ZERO_VERSION = new DefaultArtifactVersion("0.0.0"); |
| private static final Language _lang = new DefaultLanguage( MavenVersionRange.class ); |
| |
| QualityRange _toQualityRange = QualityRange.ALL; |
| |
| DefaultArtifactVersion _fromVersion = ZERO_VERSION; |
| boolean _fromInclusive = true; |
| |
| DefaultArtifactVersion _toVersion; |
| boolean _toInclusive = false; |
| |
| boolean _singleton = false; |
| |
| //-------------------------------------------------------------------------------------------- |
| protected MavenVersionRange( final String range, final QualityRange qRange ) |
| throws VersionException |
| { |
| this( range ); |
| setToQualityRange( qRange ); |
| } |
| //-------------------------------------------------------------------------------------------- |
| protected MavenVersionRange( final String rangeIn ) |
| throws VersionException |
| { |
| String range = AttributeQuery.stripExpression( rangeIn ); |
| |
| if( range == null || range.length() < 1 ) |
| return; |
| |
| if( range.indexOf(',') > 0 ) |
| { |
| if( range.startsWith("[") ) |
| _fromInclusive = true; |
| else if( range.startsWith("(") ) |
| _fromInclusive = false; |
| else |
| throw new VersionException( _lang.getMessage( "invalid.maven.version.range", range ) ); |
| |
| if( range.endsWith("]") ) |
| _toInclusive = true; |
| else if( range.endsWith(")") ) |
| _toInclusive = false; |
| else |
| throw new VersionException( _lang.getMessage( "invalid.maven.version.range", range ) ); |
| |
| int ind = range.indexOf(','); |
| |
| String sFrom = range.substring(1,ind); |
| if( sFrom != null && sFrom.length() > 0 ) |
| { |
| String sFromT = sFrom.trim(); |
| if( sFromT != null && sFromT.length() > 0 ) |
| { |
| checkForValidCharacters( sFromT ); |
| // TODO og: look for LATEST,RELEASE and SNAPSHOT |
| Quality vq = new Quality( sFromT ); |
| if( vq.getQuality().equals( QualityEnum.snapshot ) |
| || vq.getQuality().equals( QualityEnum.unknown ) |
| ) |
| throw new VersionException( _lang.getMessage( "bad.version.sn", sFromT ) ); |
| |
| _fromVersion = new DefaultArtifactVersion( sFromT ); |
| } |
| } |
| |
| String sTo = range.substring( ind+1, range.length()-1 ); |
| if( sTo != null && sTo.length() > 0 ) |
| { |
| String sToT = sTo.trim(); |
| if( sToT != null && sToT.length() > 0 ) |
| { |
| checkForValidCharacters( sToT ); |
| _toVersion = new DefaultArtifactVersion( sToT ); |
| } |
| } |
| |
| if( _fromVersion == null && _fromInclusive ) |
| throw new VersionException( _lang.getMessage( "invalid.maven.version.range.bad.from", range ) ); |
| |
| if( _toVersion == null && _toInclusive ) |
| throw new VersionException( _lang.getMessage( "invalid.maven.version.range.bad.to", range ) ); |
| |
| } |
| else |
| { |
| |
| checkForValidCharacters(range); |
| _fromVersion = new DefaultArtifactVersion( range ); |
| |
| _singleton = true; |
| |
| // good old maven version interpretation |
| if( !_osgiVersion ) |
| { |
| _toVersion = _fromVersion; |
| _fromInclusive = true; |
| _toInclusive = true; |
| } |
| } |
| } |
| //-------------------------------------------------------------------------------------------- |
| protected void setToQualityRange( QualityRange qRange ) |
| { |
| this._toQualityRange = qRange; |
| } |
| //-------------------------------------------------------------------------------------------- |
| private void checkForValidCharacters( String v ) |
| throws VersionException |
| { |
| if( v == null || v.length() < 1 ) |
| throw new VersionException("empty version"); |
| |
| int len = v.length(); |
| |
| for( int i=0; i<len; i++ ) |
| { |
| char c = v.charAt(0); |
| |
| if( c >= '0' && c <= '9' ) |
| continue; |
| |
| if( c >= 'A' && c <= 'Z' ) |
| continue; |
| |
| if( c >= 'a' && c <= 'z' ) |
| continue; |
| |
| if( c == '-' || c == '_' ) |
| continue; |
| |
| throw new VersionException( _lang.getMessage( "invalid.character", ""+c, v ) ); |
| } |
| } |
| //-------------------------------------------------------------------------------------------- |
| /* (non-Javadoc) |
| * @see org.apache.maven.mercury.artifact.version.VersionRange#includes(java.lang.String) |
| */ |
| public boolean includes( String version ) |
| { |
| DefaultArtifactVersion ver = new DefaultArtifactVersion( version ); |
| |
| int cmp1 = ver.compareTo( _fromVersion ); |
| |
| if( cmp1 < 0 ) |
| return false; |
| |
| if( cmp1 == 0 ) |
| return _fromInclusive; |
| |
| if( _toVersion == null ) // eternity |
| return true; |
| |
| int cmp2 = ver.compareTo( _toVersion ); |
| |
| if( cmp2 < 0 ) |
| { |
| if( ver.sameBase( _toVersion ) ) |
| { |
| if( _toQualityRange.isAcceptedQuality( ver.getQuality() ) ) |
| return true; |
| return false; |
| } |
| return true; |
| } |
| |
| if( cmp2 == 0 ) |
| return _toInclusive; |
| |
| return false; |
| } |
| |
| public void setOption( String name, String val ) |
| { |
| if( SYSTEM_PARAMETER_OSGI_VERSION.equals( name ) ) |
| _osgiVersion = Boolean.parseBoolean( System.getProperty( val, SYSTEM_PARAMETER_OSGI_VERSION_DEFAULT ) ); |
| } |
| |
| public boolean isSingleton() |
| { |
| return _singleton; |
| } |
| |
| //-------------------------------------------------------------------------------------------- |
| //-------------------------------------------------------------------------------------------- |
| } |
