001// Licensed under the Apache License, Version 2.0 (the "License");
002// you may not use this file except in compliance with the License.
003// You may obtain a copy of the License at
004//
005// http://www.apache.org/licenses/LICENSE-2.0
006//
007// Unless required by applicable law or agreed to in writing, software
008// distributed under the License is distributed on an "AS IS" BASIS,
009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
010// See the License for the specific language governing permissions and
011// limitations under the License.
012
013package org.apache.tapestry5.versionmigrator.internal;
014
015import java.util.Optional;
016import java.util.regex.Matcher;
017import java.util.regex.Pattern;
018
019import org.apache.tapestry5.versionmigrator.ClassRefactor;
020import org.apache.tapestry5.versionmigrator.FileRefactorCommitParser;
021
022/**
023 * Parses lines like this, in which just the artifact is changed:
024 * <code>{tapestry-ioc =&gt; tapestry5-annotations}/src/main/java/org/apache/tapestry5/ioc/annotations/Advise.java (100%)</code>. 
025 */
026public class ArtifactChangeRefactorCommitParser implements FileRefactorCommitParser {
027
028    final public static String EXAMPLE = "{tapestry-ioc => tapestry5-annotations}/src/main/java/org/apache/tapestry5/ioc/annotations/Advise.java";
029    
030    final private static Pattern PATTERN = 
031            Pattern.compile("\\{(.*)\\s=>\\s([^}]*)}\\/([^\\.]*).*");
032    
033    @Override
034    public Optional<ClassRefactor> apply(String line) {
035        final Matcher matcher = PATTERN.matcher(line);
036        ClassRefactor move = null;
037        if (matcher.matches()) 
038        {
039//            System.out.printf("1(%s) 2(%s) 3(%s)\n", otherMatcher.group(1), otherMatcher.group(2), otherMatcher.group(3));
040            final String className = FileRefactorCommitParser.extractPackageOrClassName(matcher.group(3));
041            final String sourceArtifactName = matcher.group(1);
042            final String destinationArtifactName = matcher.group(2);
043            
044            move  = new ClassRefactor(className, className, sourceArtifactName, destinationArtifactName);
045        }
046        return Optional.ofNullable(move);
047    }
048
049}