| package org.apache.maven.model.profile.activation; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.apache.maven.model.Activation; |
| import org.apache.maven.model.Profile; |
| import org.apache.maven.model.building.ModelProblemCollector; |
| import org.apache.maven.model.building.ModelProblem.Severity; |
| import org.apache.maven.model.building.ModelProblem.Version; |
| import org.apache.maven.model.building.ModelProblemCollectorRequest; |
| import org.apache.maven.model.profile.ProfileActivationContext; |
| |
| /** |
| * Determines profile activation based on the version of the current Java runtime. |
| * |
| * @author Benjamin Bentmann |
| * @see Activation#getJdk() |
| */ |
| @Named( "jdk-version" ) |
| @Singleton |
| public class JdkVersionProfileActivator |
| implements ProfileActivator |
| { |
| |
| @Override |
| public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) |
| { |
| Activation activation = profile.getActivation(); |
| |
| if ( activation == null ) |
| { |
| return false; |
| } |
| |
| String jdk = activation.getJdk(); |
| |
| if ( jdk == null ) |
| { |
| return false; |
| } |
| |
| String version = context.getSystemProperties().get( "java.version" ); |
| |
| if ( version == null || version.length() <= 0 ) |
| { |
| problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ) |
| .setMessage( "Failed to determine Java version for profile " + profile.getId() ) |
| .setLocation( activation.getLocation( "jdk" ) ) ); |
| return false; |
| } |
| |
| if ( jdk.startsWith( "!" ) ) |
| { |
| return !version.startsWith( jdk.substring( 1 ) ); |
| } |
| else if ( isRange( jdk ) ) |
| { |
| return isInRange( version, getRange( jdk ) ); |
| } |
| else |
| { |
| return version.startsWith( jdk ); |
| } |
| } |
| |
| @Override |
| public boolean presentInConfig( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) |
| { |
| Activation activation = profile.getActivation(); |
| |
| if ( activation == null ) |
| { |
| return false; |
| } |
| |
| String jdk = activation.getJdk(); |
| |
| return jdk != null; |
| } |
| |
| private static boolean isInRange( String value, List<RangeValue> range ) |
| { |
| int leftRelation = getRelationOrder( value, range.get( 0 ), true ); |
| |
| if ( leftRelation == 0 ) |
| { |
| return true; |
| } |
| |
| if ( leftRelation < 0 ) |
| { |
| return false; |
| } |
| |
| return getRelationOrder( value, range.get( 1 ), false ) <= 0; |
| } |
| |
| private static int getRelationOrder( String value, RangeValue rangeValue, boolean isLeft ) |
| { |
| if ( rangeValue.value.length() <= 0 ) |
| { |
| return isLeft ? 1 : -1; |
| } |
| |
| value = value.replaceAll( "[^0-9\\.\\-\\_]", "" ); |
| |
| List<String> valueTokens = new ArrayList<>( Arrays.asList( value.split( "[\\.\\-\\_]" ) ) ); |
| List<String> rangeValueTokens = new ArrayList<>( Arrays.asList( rangeValue.value.split( "\\." ) ) ); |
| |
| addZeroTokens( valueTokens, 3 ); |
| addZeroTokens( rangeValueTokens, 3 ); |
| |
| for ( int i = 0; i < 3; i++ ) |
| { |
| int x = Integer.parseInt( valueTokens.get( i ) ); |
| int y = Integer.parseInt( rangeValueTokens.get( i ) ); |
| if ( x < y ) |
| { |
| return -1; |
| } |
| else if ( x > y ) |
| { |
| return 1; |
| } |
| } |
| if ( !rangeValue.closed ) |
| { |
| return isLeft ? -1 : 1; |
| } |
| return 0; |
| } |
| |
| private static void addZeroTokens( List<String> tokens, int max ) |
| { |
| while ( tokens.size() < max ) |
| { |
| tokens.add( "0" ); |
| } |
| } |
| |
| private static boolean isRange( String value ) |
| { |
| return value.startsWith( "[" ) || value.startsWith( "(" ); |
| } |
| |
| private static List<RangeValue> getRange( String range ) |
| { |
| List<RangeValue> ranges = new ArrayList<>(); |
| |
| for ( String token : range.split( "," ) ) |
| { |
| if ( token.startsWith( "[" ) ) |
| { |
| ranges.add( new RangeValue( token.replace( "[", "" ), true ) ); |
| } |
| else if ( token.startsWith( "(" ) ) |
| { |
| ranges.add( new RangeValue( token.replace( "(", "" ), false ) ); |
| } |
| else if ( token.endsWith( "]" ) ) |
| { |
| ranges.add( new RangeValue( token.replace( "]", "" ), true ) ); |
| } |
| else if ( token.endsWith( ")" ) ) |
| { |
| ranges.add( new RangeValue( token.replace( ")", "" ), false ) ); |
| } |
| else if ( token.length() <= 0 ) |
| { |
| ranges.add( new RangeValue( "", false ) ); |
| } |
| } |
| if ( ranges.size() < 2 ) |
| { |
| ranges.add( new RangeValue( "99999999", false ) ); |
| } |
| return ranges; |
| } |
| |
| private static class RangeValue |
| { |
| private String value; |
| |
| private boolean closed; |
| |
| RangeValue( String value, boolean closed ) |
| { |
| this.value = value.trim(); |
| this.closed = closed; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return value; |
| } |
| } |
| |
| } |