| package org.apache.maven.script.ant; |
| |
| /* |
| * 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.io.File; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.maven.artifact.Artifact; |
| import org.apache.maven.plugin.logging.Log; |
| import org.apache.maven.project.MavenProject; |
| import org.apache.tools.ant.PropertyHelper; |
| import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException; |
| import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator; |
| import org.codehaus.plexus.util.introspection.ReflectionValueExtractor; |
| |
| /** |
| * Makes the ${expressions} used in Maven available to Ant as properties. |
| * |
| * @author <a href="mailto:kenney@apache.org">Kenney Westerhof</a> |
| */ |
| public class AntPropertyHelper |
| extends PropertyHelper |
| { |
| private static final String DEPENDENCY_PREFIX = "maven.dependency."; |
| private Log log; |
| private ExpressionEvaluator exprEvaluator; |
| private MavenProject mavenProject; |
| private Map<String, String> artifactMap = new HashMap<String, String>(); |
| |
| /** |
| * @deprecated use the other constructor |
| * @param project |
| * @param l |
| */ |
| public AntPropertyHelper( MavenProject project, Log l ) |
| { |
| mavenProject = project; |
| log = l; |
| } |
| |
| /** |
| * @deprecated use {@link #AntPropertyHelper(ExpressionEvaluator, Set, Log)} to resolve maven.dependency.* |
| * properties |
| * @param exprEvaluator |
| * @param l |
| */ |
| public AntPropertyHelper( ExpressionEvaluator exprEvaluator, Log l ) |
| { |
| this( exprEvaluator, Collections.<Artifact>emptySet(), l ); |
| } |
| |
| /** |
| * @param exprEvaluator |
| * @param artifacts |
| * @param l |
| */ |
| public AntPropertyHelper( ExpressionEvaluator exprEvaluator, Set<Artifact> artifacts, Log l ) |
| { |
| this.mavenProject = null; |
| this.exprEvaluator = exprEvaluator; |
| this.log = l; |
| |
| for ( Artifact artifact : artifacts ) |
| { |
| String key = DEPENDENCY_PREFIX + artifact.getGroupId() + "." + artifact.getArtifactId() |
| + ( artifact.getClassifier() != null ? "." + artifact.getClassifier() : "" ) |
| + ( artifact.getType() != null ? "." + artifact.getType() : "" ) + ".path"; |
| |
| log.debug( "Storing: " + key + "=" + artifact.getFile().getPath() ); |
| |
| artifactMap.put( key, artifact.getFile().getPath() ); |
| } |
| } |
| |
| /** |
| * @see org.apache.tools.ant.PropertyHelper#getPropertyHook(java.lang.String, java.lang.String, boolean) |
| */ |
| public synchronized Object getPropertyHook( String ns, String name, boolean user ) |
| { |
| if ( log.isDebugEnabled() ) |
| { |
| log.debug( "getProperty(ns=" + ns + ", name=" + name + ", user=" + user + ")" ); |
| } |
| |
| /* keep old behaviour */ |
| if ( mavenProject != null ) |
| { |
| return getPropertyHook( ns, name, user, mavenProject ); |
| } |
| |
| |
| Object val = null; |
| |
| if ( name.startsWith( DEPENDENCY_PREFIX ) ) |
| { |
| val = artifactMap.get( name ); |
| } |
| |
| if ( val == null ) |
| { |
| try |
| { |
| val = exprEvaluator.evaluate( "${" + name + "}" ); |
| } |
| catch ( ExpressionEvaluationException e ) |
| { |
| if ( log.isErrorEnabled() ) |
| { |
| log.error( "Failed to evaluate expression", e ); |
| } |
| } |
| } |
| |
| if ( val == null ) |
| { |
| val = super.getPropertyHook( ns, name, user ); |
| |
| if ( val == null ) |
| { |
| val = System.getProperty( name ); |
| } |
| } |
| |
| return val; |
| } |
| |
| /** |
| * @deprecated added to keep backwards compatibility |
| * @param ns |
| * @param name |
| * @param user |
| * @param mavenProject |
| * @return The property value. |
| */ |
| private Object getPropertyHook( String ns, String name, boolean user, MavenProject mavenProject ) |
| { |
| Object val = null; |
| try |
| { |
| if ( name.startsWith( DEPENDENCY_PREFIX ) ) |
| { |
| val = artifactMap.get( name ); |
| } |
| else if ( name.startsWith( "project." ) ) |
| { |
| val = ReflectionValueExtractor.evaluate( |
| name, |
| mavenProject, |
| true |
| ); |
| } |
| else if ( name.equals( "basedir" ) ) |
| { |
| val = ReflectionValueExtractor.evaluate( |
| "basedir.path", |
| mavenProject, |
| false |
| ); |
| } |
| } |
| catch ( Exception e ) |
| { |
| if ( log.isWarnEnabled() ) |
| { |
| log.warn( "Error evaluating expression '" + name + "'", e ); |
| } |
| } |
| |
| if ( val == null ) |
| { |
| val = super.getPropertyHook( ns, name, user ); |
| if ( val == null ) |
| { |
| val = System.getProperty( name ); |
| } |
| } |
| |
| if ( val instanceof File ) |
| { |
| val = ( (File) val ).getAbsoluteFile(); |
| } |
| |
| return val; |
| } |
| } |