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 @Override 045 public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) 046 { 047 Activation activation = profile.getActivation(); 048 049 if ( activation == null ) 050 { 051 return false; 052 } 053 054 ActivationProperty property = activation.getProperty(); 055 056 if ( property == null ) 057 { 058 return false; 059 } 060 061 String name = property.getName(); 062 boolean reverseName = false; 063 064 if ( name != null && name.startsWith( "!" ) ) 065 { 066 reverseName = true; 067 name = name.substring( 1 ); 068 } 069 070 if ( name == null || name.length() <= 0 ) 071 { 072 problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ) 073 .setMessage( "The property name is required to activate the profile " + profile.getId() ) 074 .setLocation( property.getLocation( "" ) ) ); 075 return false; 076 } 077 078 String sysValue = context.getUserProperties().get( name ); 079 if ( sysValue == null ) 080 { 081 sysValue = context.getSystemProperties().get( name ); 082 } 083 084 String propValue = property.getValue(); 085 if ( StringUtils.isNotEmpty( propValue ) ) 086 { 087 boolean reverseValue = false; 088 if ( propValue.startsWith( "!" ) ) 089 { 090 reverseValue = true; 091 propValue = propValue.substring( 1 ); 092 } 093 094 // we have a value, so it has to match the system value... 095 boolean result = propValue.equals( sysValue ); 096 097 return reverseValue ? !result : result; 098 } 099 else 100 { 101 boolean result = StringUtils.isNotEmpty( sysValue ); 102 103 return reverseName ? !result : result; 104 } 105 } 106 107 @Override 108 public boolean presentInConfig( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) 109 { 110 Activation activation = profile.getActivation(); 111 112 if ( activation == null ) 113 { 114 return false; 115 } 116 117 ActivationProperty property = activation.getProperty(); 118 119 if ( property == null ) 120 { 121 return false; 122 } 123 return true; 124 } 125 126}