| package org.apache.maven.scm.provider.clearcase.command.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.util.AbstractConsumer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a> |
| * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a> |
| * @version $Id$ |
| */ |
| public class ClearCaseChangeLogConsumer |
| extends AbstractConsumer |
| { |
| /** |
| * Formatter used to parse Clearcase date/timestamp. |
| */ |
| private static final String CLEARCASE_TIMESTAMP_PATTERN = "yyyyMMdd.HHmmss"; |
| |
| private static final String NAME_TAG = "NAME:"; |
| |
| private static final String USER_TAG = "USER:"; |
| |
| private static final String DATE_TAG = "DATE:"; |
| |
| private static final String COMMENT_TAG = "COMM:"; |
| |
| private List entries = new ArrayList(); |
| |
| // state machine constants for reading clearcase lshistory command output |
| |
| /** |
| * expecting file information |
| */ |
| private static final int GET_FILE = 1; |
| |
| /** |
| * expecting date |
| */ |
| private static final int GET_DATE = 2; |
| |
| /** |
| * expecting comments |
| */ |
| private static final int GET_COMMENT = 3; |
| |
| /** |
| * current status of the parser |
| */ |
| private int status = GET_FILE; |
| |
| /** |
| * the current log entry being processed by the parser |
| */ |
| private ChangeSet currentChange = null; |
| |
| /** |
| * the current file being processed by the parser |
| */ |
| private ChangeFile currentFile = null; |
| |
| private String userDatePattern; |
| |
| // ---------------------------------------------------------------------- |
| // |
| // ---------------------------------------------------------------------- |
| |
| public ClearCaseChangeLogConsumer( ScmLogger logger, String userDatePattern ) |
| { |
| super( logger ); |
| |
| this.userDatePattern = userDatePattern; |
| } |
| |
| // ---------------------------------------------------------------------- |
| // |
| // ---------------------------------------------------------------------- |
| |
| public List getModifications() |
| { |
| return entries; |
| } |
| |
| // ---------------------------------------------------------------------- |
| // StreamConsumer Implementation |
| // ---------------------------------------------------------------------- |
| |
| /** {@inheritDoc} */ |
| public void consumeLine( String line ) |
| { |
| switch ( getStatus() ) |
| { |
| case GET_FILE: |
| processGetFile( line ); |
| break; |
| case GET_DATE: |
| processGetDate( line ); |
| break; |
| case GET_COMMENT: |
| processGetCommentAndUser( line ); |
| break; |
| default: |
| getLogger().warn( "Unknown state: " + status ); |
| } |
| } |
| |
| // ---------------------------------------------------------------------- |
| // |
| // ---------------------------------------------------------------------- |
| |
| /** |
| * Process the current input line in the Get File state. |
| * |
| * @param line a line of text from the clearcase log output |
| */ |
| private void processGetFile( String line ) |
| { |
| if ( line.startsWith( NAME_TAG ) ) |
| { |
| setCurrentChange( new ChangeSet() ); |
| setCurrentFile( new ChangeFile( line.substring( NAME_TAG.length(), line.length() ) ) ); |
| setStatus( GET_DATE ); |
| } |
| } |
| |
| /** |
| * Process the current input line in the Get Date state. |
| * |
| * @param line a line of text from the clearcase log output |
| */ |
| private void processGetDate( String line ) |
| { |
| if ( line.startsWith( DATE_TAG ) ) |
| { |
| getCurrentChange().setDate( |
| parseDate( line.substring( DATE_TAG.length() ), userDatePattern, CLEARCASE_TIMESTAMP_PATTERN ) ); |
| |
| setStatus( GET_COMMENT ); |
| } |
| } |
| |
| /** |
| * Process the current input line in the Get Comment state. |
| * |
| * @param line a line of text from the clearcase log output |
| */ |
| private void processGetCommentAndUser( String line ) |
| { |
| if ( line.startsWith( COMMENT_TAG ) ) |
| { |
| String comm = line.substring( COMMENT_TAG.length() ); |
| |
| getCurrentChange().setComment( getCurrentChange().getComment() + comm + "\n" ); |
| } |
| else if ( line.startsWith( USER_TAG ) ) |
| { |
| getCurrentChange().setAuthor( line.substring( USER_TAG.length() ) ); |
| |
| // add entry, and set state to get file |
| getCurrentChange().addFile( getCurrentFile() ); |
| |
| entries.add( getCurrentChange() ); |
| |
| setStatus( GET_FILE ); |
| } |
| else |
| { |
| // keep gathering comments |
| getCurrentChange().setComment( getCurrentChange().getComment() + line + "\n" ); |
| } |
| } |
| |
| /** |
| * Getter for property currentFile. |
| * |
| * @return Value of property currentFile. |
| */ |
| private ChangeFile getCurrentFile() |
| { |
| return currentFile; |
| } |
| |
| /** |
| * Setter for property currentFile. |
| * |
| * @param currentFile New value of property currentFile. |
| */ |
| private void setCurrentFile( ChangeFile currentFile ) |
| { |
| this.currentFile = currentFile; |
| } |
| |
| /** |
| * Getter for property currentChange. |
| * |
| * @return Value of property currentChange. |
| */ |
| private ChangeSet getCurrentChange() |
| { |
| return currentChange; |
| } |
| |
| /** |
| * Setter for property currentLogEntry. |
| * |
| * @param currentChange New value of property currentLogEntry. |
| */ |
| private void setCurrentChange( ChangeSet currentChange ) |
| { |
| this.currentChange = currentChange; |
| } |
| |
| /** |
| * Getter for property status. |
| * |
| * @return Value of property status. |
| */ |
| private int getStatus() |
| { |
| return status; |
| } |
| |
| /** |
| * Setter for property status. |
| * |
| * @param status New value of property status. |
| */ |
| private void setStatus( int status ) |
| { |
| this.status = status; |
| } |
| } |