001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.scm.provider.git.gitexe.command.diff;
020
021import java.util.ArrayList;
022import java.util.List;
023
024import org.apache.maven.scm.ScmFile;
025import org.apache.maven.scm.ScmFileStatus;
026import org.apache.maven.scm.util.AbstractConsumer;
027
028/**
029 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
030 *
031 */
032public class GitDiffRawConsumer extends AbstractConsumer {
033    private final List<ScmFile> changedFiles = new ArrayList<>();
034
035    // ----------------------------------------------------------------------
036    // StreamConsumer Implementation
037    // ----------------------------------------------------------------------
038
039    /**
040     * {@inheritDoc}
041     */
042    public void consumeLine(String line) {
043        if (logger.isDebugEnabled()) {
044            logger.debug(line);
045        }
046        if (line == null || line.isEmpty()) {
047            return;
048        }
049
050        ScmFileStatus status = null;
051
052        String[] parts = line.split("\\s", 6);
053        if (parts.length != 6) {
054            logger.warn("Skipping line because it doesn't contain the right status parameters: " + line);
055            return;
056        }
057
058        String modus = parts[4];
059        String file = parts[5];
060
061        if ("A".equals(modus)) {
062            status = ScmFileStatus.ADDED;
063        } else if ("M".equals(modus)) {
064            // attention! 'M' is 'updated', and _not_ ScmFileStatus.MODIFIED (which is for 'modified locally')
065            status = ScmFileStatus.UPDATED;
066        } else if ("D".equals(modus)) {
067            status = ScmFileStatus.DELETED;
068        } else {
069            logger.warn("unknown status detected in line: " + line);
070            return;
071        }
072
073        changedFiles.add(new ScmFile(file, status));
074    }
075
076    public List<ScmFile> getChangedFiles() {
077        return changedFiles;
078    }
079}