| package org.apache.maven.scm.provider.vss.commands.changelog; |
| |
| /* |
| * 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 org.apache.maven.scm.ChangeFile; |
| import org.apache.maven.scm.ChangeSet; |
| import org.apache.maven.scm.log.ScmLogger; |
| import org.apache.maven.scm.provider.vss.repository.VssScmProviderRepository; |
| import org.apache.maven.scm.util.AbstractConsumer; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TreeMap; |
| import java.util.Vector; |
| |
| /** |
| * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a> |
| * @version $Id$ |
| */ |
| public class VssChangeLogConsumer |
| extends AbstractConsumer |
| { |
| /** |
| * Custom date/time formatter. Rounds ChangeLogEntry times to the nearest |
| * minute. |
| */ |
| private static final SimpleDateFormat ENTRY_KEY_TIMESTAMP_FORMAT = new SimpleDateFormat( "yyyyMMddHHmm" ); |
| |
| // state machine constants for reading Starteam output |
| |
| /** |
| * expecting file information |
| */ |
| private static final int GET_FILE = 1; |
| |
| /** |
| * expecting file path information |
| */ |
| private static final int GET_FILE_PATH = 2; |
| |
| /** |
| * expecting date |
| */ |
| private static final int GET_AUTHOR = 3; |
| |
| /** |
| * expecting comments |
| */ |
| private static final int GET_COMMENT = 4; |
| |
| /** |
| * expecting revision |
| */ |
| private static final int GET_REVISION = 5; |
| |
| /** |
| * unknown vss history line status |
| */ |
| private static final int GET_UNKNOWN = 6; |
| |
| /** |
| * Marks start of file data |
| */ |
| private static final String START_FILE = "***** "; |
| |
| /** |
| * Marks start of file data |
| */ |
| private static String START_FILE_PATH = "$/"; |
| |
| /** |
| * Marks start of revision |
| */ |
| private static final String START_REVISION = "Version"; |
| |
| /** |
| * Marks author data |
| */ |
| private static final String START_AUTHOR = "User: "; |
| |
| /** |
| * Marks comment data |
| */ |
| private static final String START_COMMENT = "Comment: "; |
| |
| /** |
| * rcs entries, in reverse (date, time, author, comment) order |
| */ |
| private Map entries = new TreeMap( Collections.reverseOrder() ); |
| |
| private ChangeFile currentFile; |
| |
| private ChangeSet currentChangeSet; |
| |
| /** |
| * last status of the parser |
| */ |
| private int lastStatus = GET_FILE; |
| |
| private VssScmProviderRepository repo; |
| |
| private String userDatePattern; |
| |
| public VssChangeLogConsumer( VssScmProviderRepository repo, String userDatePattern, ScmLogger logger ) |
| { |
| super( logger ); |
| this.userDatePattern = userDatePattern; |
| this.repo = repo; |
| } |
| |
| public List getModifications() |
| { |
| return new ArrayList( entries.values() ); |
| } |
| |
| public void consumeLine( String line ) |
| { |
| switch ( getLineStatus( line ) ) |
| { |
| case GET_FILE: |
| processGetFile( line ); |
| break; |
| case GET_REVISION: |
| processGetRevision( line ); |
| break; |
| case GET_AUTHOR: |
| processGetAuthor( line ); |
| break; |
| case GET_FILE_PATH: |
| processGetFilePath( line ); |
| break; |
| case GET_COMMENT: |
| processGetComment( line ); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * Process the current input line in the Get Comment state. |
| * |
| * @param line a line of text from the VSS log output |
| */ |
| private void processGetComment( String line ) |
| { |
| String[] commentLine = line.split( ":" ); |
| if ( commentLine.length == 2 ) |
| { |
| currentChangeSet.setComment( commentLine[1] ); |
| } |
| //Comment suite on a new line |
| else |
| { |
| String comment = currentChangeSet.getComment(); |
| comment = comment + " " + line; |
| currentChangeSet.setComment( comment ); |
| } |
| } |
| |
| /** |
| * Process the current input line in the Get Author state. |
| * |
| * @param line a line of text from the VSS log output |
| */ |
| private void processGetAuthor( String line ) |
| { |
| String[] result = line.split( "\\s" ); |
| Vector vector = new Vector(); |
| for ( int i = 0; i < result.length; i++ ) |
| { |
| if ( !result[i].equals( "" ) ) |
| { |
| vector.add( result[i] ); |
| } |
| } |
| currentChangeSet.setAuthor( (String) vector.get( 1 ) ); |
| currentChangeSet.setDate( |
| parseDate( vector.get( 3 ) + " " + vector.get( 5 ), userDatePattern, "dd.MM.yy HH:mm" ) ); |
| } |
| |
| /** |
| * Process the current input line in the Get File state. |
| * |
| * @param line a line of text from the VSS log output |
| */ |
| private void processGetFile( String line ) |
| { |
| currentChangeSet = ( new ChangeSet() ); |
| String[] fileLine = line.split( " " ); |
| currentFile = new ChangeFile( fileLine[2] ); |
| } |
| |
| /** |
| * Process the current input line in the Get File Path state. |
| * |
| * @param line a line of text from the VSS log output |
| */ |
| private void processGetFilePath( String line ) |
| { |
| if ( currentFile != null ) |
| { |
| String fileName = currentFile.getName(); |
| |
| String path = line.substring( line.indexOf( "$" ), line.length() ); |
| String longPath = path.substring( repo.getProject() |
| .length() + 1, path.length() ) + "/" + fileName; |
| currentFile.setName( longPath ); |
| addEntry( currentChangeSet, currentFile ); |
| } |
| } |
| |
| /** |
| * Process the current input line in the Get Revision state. |
| * |
| * @param line a line of text from the VSS log output |
| */ |
| private void processGetRevision( String line ) |
| { |
| String[] revisionLine = line.split( " " ); |
| currentFile.setRevision( revisionLine[1] ); |
| } |
| |
| /** |
| * Identify the status of a vss history line |
| * |
| * @param line The line to process |
| * @return status |
| */ |
| private int getLineStatus( String line ) |
| { |
| int argument = GET_UNKNOWN; |
| if ( line.startsWith( START_FILE ) ) |
| { |
| argument = GET_FILE; |
| } |
| else if ( line.startsWith( START_REVISION ) ) |
| { |
| argument = GET_REVISION; |
| } |
| else if ( line.startsWith( START_AUTHOR ) ) |
| { |
| argument = GET_AUTHOR; |
| } |
| else if ( line.indexOf( START_FILE_PATH ) != -1 ) |
| { |
| argument = GET_FILE_PATH; |
| } |
| else if ( line.startsWith( START_COMMENT ) ) |
| { |
| argument = GET_COMMENT; |
| } |
| else if ( lastStatus == GET_COMMENT ) |
| { |
| //Comment suite on a new line |
| argument = lastStatus; |
| } |
| lastStatus = argument; |
| |
| return argument; |
| } |
| |
| /** |
| * Add a change log entry to the list (if it's not already there) with the |
| * given file. |
| * |
| * @param entry a {@link ChangeSet}to be added to the list if another |
| * with the same key doesn't exist already. If the entry's author |
| * is null, the entry wont be added |
| * @param file a {@link ChangeFile}to be added to the entry |
| */ |
| private void addEntry( ChangeSet entry, ChangeFile file ) |
| { |
| // do not add if entry is not populated |
| if ( entry.getAuthor() == null ) |
| { |
| return; |
| } |
| |
| String key = ENTRY_KEY_TIMESTAMP_FORMAT.format( entry.getDate() ) + entry.getAuthor() + entry.getComment(); |
| |
| if ( !entries.containsKey( key ) ) |
| { |
| entry.addFile( file ); |
| entries.put( key, entry ); |
| } |
| else |
| { |
| ChangeSet existingEntry = (ChangeSet) entries.get( key ); |
| existingEntry.addFile( file ); |
| } |
| } |
| } |