001package org.apache.maven.model.profile.activation; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.apache.maven.model.Activation; 023import org.apache.maven.model.ActivationProperty; 024import org.apache.maven.model.Profile; 025import org.apache.maven.model.building.ModelProblemCollector; 026import org.apache.maven.model.building.ModelProblem.Severity; 027import org.apache.maven.model.building.ModelProblem.Version; 028import org.apache.maven.model.building.ModelProblemCollectorRequest; 029import org.apache.maven.model.profile.ProfileActivationContext; 030import org.codehaus.plexus.component.annotations.Component; 031import org.codehaus.plexus.util.StringUtils; 032 033/** 034 * Determines profile activation based on the existence or value of some execution property. 035 * 036 * @author Benjamin Bentmann 037 * @see ActivationProperty 038 */ 039@Component( role = ProfileActivator.class, hint = "property" ) 040public class PropertyProfileActivator 041 implements ProfileActivator 042{ 043 044 public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) 045 { 046 Activation activation = profile.getActivation(); 047 048 if ( activation == null ) 049 { 050 return false; 051 } 052 053 ActivationProperty property = activation.getProperty(); 054 055 if ( property == null ) 056 { 057 return false; 058 } 059 060 String name = property.getName(); 061 boolean reverseName = false; 062 063 if ( name != null && name.startsWith( "!" ) ) 064 { 065 reverseName = true; 066 name = name.substring( 1 ); 067 } 068 069 if ( name == null || name.length() <= 0 ) 070 { 071 problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ) 072 .setMessage( "The property name is required to activate the profile " + profile.getId() ) 073 .setLocation( property.getLocation( "" ) ) ); 074 return false; 075 } 076 077 String sysValue = context.getUserProperties().get( name ); 078 if ( sysValue == null ) 079 { 080 sysValue = context.getSystemProperties().get( name ); 081 } 082 083 String propValue = property.getValue(); 084 if ( StringUtils.isNotEmpty( propValue ) ) 085 { 086 boolean reverseValue = false; 087 if ( propValue.startsWith( "!" ) ) 088 { 089 reverseValue = true; 090 propValue = propValue.substring( 1 ); 091 } 092 093 // we have a value, so it has to match the system value... 094 boolean result = propValue.equals( sysValue ); 095 096 return reverseValue ? !result : result; 097 } 098 else 099 { 100 boolean result = StringUtils.isNotEmpty( sysValue ); 101 102 return reverseName ? !result : result; 103 } 104 } 105 106 @Override 107 public boolean presentInConfig( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) 108 { 109 Activation activation = profile.getActivation(); 110 111 if ( activation == null ) 112 { 113 return false; 114 } 115 116 ActivationProperty property = activation.getProperty(); 117 118 if ( property == null ) 119 { 120 return false; 121 } 122 return true; 123 } 124 125}