| package org.apache.maven.xml.sax.filter; |
| |
| /* |
| * 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.function.BiFunction; |
| |
| import org.apache.maven.xml.sax.SAXEventUtils; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Will apply the version if the dependency is part of the reactor |
| * |
| * @author Robert Scholte |
| * @since 4.0.0 |
| */ |
| public class ReactorDependencyXMLFilter extends AbstractEventXMLFilter |
| { |
| private boolean parsingDependency; |
| |
| // states |
| private String state; |
| |
| // whiteSpace after <dependency>, to be used to position <version> |
| private String dependencyWhitespace; |
| |
| private boolean hasVersion; |
| |
| private String groupId; |
| |
| private String artifactId; |
| |
| private final BiFunction<String, String, String> reactorVersionMapper; |
| |
| public ReactorDependencyXMLFilter( BiFunction<String, String, String> reactorVersionMapper ) |
| { |
| this.reactorVersionMapper = reactorVersionMapper; |
| } |
| |
| @Override |
| public void startElement( String uri, String localName, String qName, Attributes atts ) |
| throws SAXException |
| { |
| if ( !parsingDependency && "dependency".equals( localName ) ) |
| { |
| parsingDependency = true; |
| } |
| |
| if ( parsingDependency ) |
| { |
| state = localName; |
| |
| hasVersion |= "version".equals( localName ); |
| } |
| super.startElement( uri, localName, qName, atts ); |
| } |
| |
| @Override |
| public void characters( char[] ch, int start, int length ) |
| throws SAXException |
| { |
| if ( parsingDependency ) |
| { |
| final String eventState = state; |
| String value = new String( ch, start, length ); |
| switch ( eventState ) |
| { |
| case "dependency": |
| dependencyWhitespace = nullSafeAppend( dependencyWhitespace, value ); |
| break; |
| case "groupId": |
| groupId = nullSafeAppend( groupId, value ); |
| break; |
| case "artifactId": |
| artifactId = nullSafeAppend( artifactId, value ); |
| break; |
| default: |
| break; |
| } |
| } |
| super.characters( ch, start, length ); |
| } |
| |
| @Override |
| public void endElement( String uri, final String localName, String qName ) |
| throws SAXException |
| { |
| if ( parsingDependency ) |
| { |
| switch ( localName ) |
| { |
| case "dependency": |
| if ( !hasVersion ) |
| { |
| String version = getVersion(); |
| |
| // dependency is not part of reactor, probably it is managed |
| if ( version != null ) |
| { |
| try ( Includer i = super.include() ) |
| { |
| if ( dependencyWhitespace != null ) |
| { |
| super.characters( dependencyWhitespace.toCharArray(), 0, |
| dependencyWhitespace.length() ); |
| |
| } |
| String versionQName = SAXEventUtils.renameQName( qName, "version" ); |
| |
| super.startElement( uri, "version", versionQName, null ); |
| super.characters( version.toCharArray(), 0, version.length() ); |
| super.endElement( uri, "version", versionQName ); |
| } |
| } |
| } |
| super.executeEvents(); |
| |
| parsingDependency = false; |
| |
| // reset |
| hasVersion = false; |
| dependencyWhitespace = null; |
| groupId = null; |
| artifactId = null; |
| |
| break; |
| default: |
| break; |
| } |
| } |
| |
| super.endElement( uri, localName, qName ); |
| |
| state = ""; |
| } |
| |
| private String getVersion() |
| { |
| return reactorVersionMapper.apply( groupId, artifactId ); |
| } |
| |
| @Override |
| protected boolean isParsing() |
| { |
| return parsingDependency; |
| } |
| |
| @Override |
| protected String getState() |
| { |
| return state; |
| } |
| |
| } |