001 package 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 */ 021 022 import org.apache.maven.model.Activation; 023 import org.apache.maven.model.ActivationProperty; 024 import org.apache.maven.model.Profile; 025 import org.apache.maven.model.building.ModelProblemCollector; 026 import org.apache.maven.model.building.ModelProblem.Severity; 027 import org.apache.maven.model.profile.ProfileActivationContext; 028 import org.codehaus.plexus.component.annotations.Component; 029 import org.codehaus.plexus.util.StringUtils; 030 031 /** 032 * Determines profile activation based on the existence or value of some execution property. 033 * 034 * @author Benjamin Bentmann 035 */ 036 @Component( role = ProfileActivator.class, hint = "property" ) 037 public class PropertyProfileActivator 038 implements ProfileActivator 039 { 040 041 public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems ) 042 { 043 boolean active = false; 044 045 Activation activation = profile.getActivation(); 046 047 if ( activation != null ) 048 { 049 ActivationProperty property = activation.getProperty(); 050 051 if ( property != null ) 052 { 053 String name = property.getName(); 054 boolean reverseName = false; 055 056 if ( name != null && name.startsWith( "!" ) ) 057 { 058 reverseName = true; 059 name = name.substring( 1 ); 060 } 061 062 if ( name == null || name.length() <= 0 ) 063 { 064 problems.add( Severity.ERROR, "The property name is required to activate the profile " 065 + profile.getId(), property.getLocation( "" ), null ); 066 return false; 067 } 068 069 String sysValue = context.getUserProperties().get( name ); 070 if ( sysValue == null ) 071 { 072 sysValue = context.getSystemProperties().get( name ); 073 } 074 075 String propValue = property.getValue(); 076 if ( StringUtils.isNotEmpty( propValue ) ) 077 { 078 boolean reverseValue = false; 079 if ( propValue.startsWith( "!" ) ) 080 { 081 reverseValue = true; 082 propValue = propValue.substring( 1 ); 083 } 084 085 // we have a value, so it has to match the system value... 086 boolean result = propValue.equals( sysValue ); 087 088 if ( reverseValue ) 089 { 090 active = !result; 091 } 092 else 093 { 094 active = result; 095 } 096 } 097 else 098 { 099 boolean result = StringUtils.isNotEmpty( sysValue ); 100 101 if ( reverseName ) 102 { 103 active = !result; 104 } 105 else 106 { 107 active = result; 108 } 109 } 110 } 111 } 112 113 return active; 114 } 115 116 }