| package org.apache.maven.model.transform; |
| |
| /* |
| * 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.List; |
| import java.util.function.BiFunction; |
| |
| import org.apache.maven.model.transform.pull.NodeBufferingParser; |
| import org.codehaus.plexus.util.xml.pull.XmlPullParser; |
| |
| /** |
| * Will apply the version if the dependency is part of the reactor |
| * |
| * @author Robert Scholte |
| * @author Guillaume Nodet |
| * @since 4.0.0 |
| */ |
| public class ReactorDependencyXMLFilter extends NodeBufferingParser |
| { |
| private final BiFunction<String, String, String> reactorVersionMapper; |
| |
| public ReactorDependencyXMLFilter( XmlPullParser xmlPullParser, |
| BiFunction<String, String, String> reactorVersionMapper ) |
| { |
| super( xmlPullParser, "dependency" ); |
| this.reactorVersionMapper = reactorVersionMapper; |
| } |
| |
| protected void process( List<Event> buffer ) |
| { |
| // whiteSpace after <dependency>, to be used to position <version> |
| String dependencyWhitespace = ""; |
| boolean hasVersion = false; |
| String groupId = null; |
| String artifactId = null; |
| String tagName = null; |
| for ( int i = 0; i < buffer.size(); i++ ) |
| { |
| Event event = buffer.get( i ); |
| if ( event.event == START_TAG ) |
| { |
| tagName = event.name; |
| hasVersion |= "version".equals( tagName ); |
| } |
| else if ( event.event == TEXT ) |
| { |
| if ( event.text.matches( "\\s+" ) ) |
| { |
| if ( dependencyWhitespace.isEmpty() ) |
| { |
| dependencyWhitespace = event.text; |
| } |
| } |
| else if ( "groupId".equals( tagName ) ) |
| { |
| groupId = nullSafeAppend( groupId, event.text ); |
| } |
| else if ( "artifactId".equals( tagName ) ) |
| { |
| artifactId = nullSafeAppend( artifactId, event.text ); |
| } |
| } |
| else if ( event.event == END_TAG && "dependency".equals( event.name ) ) |
| { |
| String version = reactorVersionMapper.apply( groupId, artifactId ); |
| if ( !hasVersion && version != null ) |
| { |
| int pos = buffer.get( i - 1 ).event == TEXT ? i - 1 : i; |
| Event e = new Event(); |
| e.event = TEXT; |
| e.text = dependencyWhitespace; |
| buffer.add( pos++, e ); |
| e = new Event(); |
| e.event = START_TAG; |
| e.namespace = buffer.get( 0 ).namespace; |
| e.prefix = buffer.get( 0 ).prefix; |
| e.name = "version"; |
| buffer.add( pos++, e ); |
| e = new Event(); |
| e.event = TEXT; |
| e.text = version; |
| buffer.add( pos++, e ); |
| e = new Event(); |
| e.event = END_TAG; |
| e.name = "version"; |
| e.namespace = buffer.get( 0 ).namespace; |
| e.prefix = buffer.get( 0 ).prefix; |
| buffer.add( pos++, e ); |
| } |
| break; |
| } |
| } |
| buffer.forEach( this::pushEvent ); |
| } |
| |
| } |