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Common library for SCM CVS Provider.
package org.apache.maven.scm.provider.cvslib;
/*
* 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.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.maven.scm.CommandParameters;
import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmResult;
import org.apache.maven.scm.ScmTagParameters;
import org.apache.maven.scm.command.Command;
import org.apache.maven.scm.command.add.AddScmResult;
import org.apache.maven.scm.command.blame.BlameScmResult;
import org.apache.maven.scm.command.branch.BranchScmResult;
import org.apache.maven.scm.command.changelog.ChangeLogScmResult;
import org.apache.maven.scm.command.checkin.CheckInScmResult;
import org.apache.maven.scm.command.checkout.CheckOutScmResult;
import org.apache.maven.scm.command.diff.DiffScmResult;
import org.apache.maven.scm.command.export.ExportScmResult;
import org.apache.maven.scm.command.list.ListScmResult;
import org.apache.maven.scm.command.login.LoginScmResult;
import org.apache.maven.scm.command.mkdir.MkdirScmResult;
import org.apache.maven.scm.command.remove.RemoveScmResult;
import org.apache.maven.scm.command.status.StatusScmResult;
import org.apache.maven.scm.command.tag.TagScmResult;
import org.apache.maven.scm.command.update.UpdateScmResult;
import org.apache.maven.scm.provider.AbstractScmProvider;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;
import org.apache.maven.scm.repository.ScmRepositoryException;
import org.apache.maven.scm.repository.UnknownRepositoryStructure;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.StringUtils;
/**
* @author Emmanuel Venisse
* @author Trygve Laugstøl
*
*/
public abstract class AbstractCvsScmProvider
extends AbstractScmProvider
{
/** ext transport method */
public static final String TRANSPORT_EXT = "ext";
/** local transport method */
public static final String TRANSPORT_LOCAL = "local";
/** lserver transport method */
public static final String TRANSPORT_LSERVER = "lserver";
/** pserver transport method */
public static final String TRANSPORT_PSERVER = "pserver";
/** sspi transport method */
public static final String TRANSPORT_SSPI = "sspi";
// ----------------------------------------------------------------------
//
// ----------------------------------------------------------------------
/**
* The current ScmUrlParserResult
*
* @since 1.1.1
*/
public static class ScmUrlParserResult
{
private List messages;
private ScmProviderRepository repository;
public ScmUrlParserResult()
{
messages = new ArrayList();
}
/**
* @return the messages
*/
public List getMessages()
{
return messages;
}
/**
* @param messages the messages to set
*/
public void setMessages( List messages )
{
this.messages = messages;
}
/**
* @return the repository
*/
public ScmProviderRepository getRepository()
{
return repository;
}
/**
* @param repository the repository to set
*/
public void setRepository( ScmProviderRepository repository )
{
this.repository = repository;
}
/**
* Reset messages.
*/
public void resetMessages()
{
this.messages = new ArrayList();
}
}
// ----------------------------------------------------------------------
// ScmProvider Implementation
// ----------------------------------------------------------------------
/** {@inheritDoc} */
public String getScmSpecificFilename()
{
return "CVS";
}
/* From the Cederqvist:
*
* "Tag names must start with an uppercase or lowercase letter and can
* contain uppercase and lowercase letters, digits, `-', and `_'. The
* two tag names BASE and HEAD are reserved for use by CVS. It is expected
* that future names which are special to CVS will be specially named,
* for example by starting with `.', rather than being named analogously
* to BASE and HEAD, to avoid conflicts with actual tag names."
*/
/** {@inheritDoc} */
public String sanitizeTagName( String arg0 )
{
if ( validateTagName( arg0 ) )
{
return arg0;
}
if ( arg0.equals( "HEAD" ) || arg0.equals( "BASE" ) || !arg0.matches( "[A-Za-z].*" ) )
/* we don't even bother to sanitize these, they're just silly */
{
throw new RuntimeException(
"Unable to sanitize tag " + arg0 + ": must begin with a letter" + "and not be HEAD or BASE" );
}
/* swap all illegal characters for a _ */
return arg0.replaceAll( "[^A-Za-z0-9_-]", "_" );
}
/** {@inheritDoc} */
public boolean validateTagName( String arg0 )
{
return ( arg0.matches( "[A-Za-z][A-Za-z0-9_-]*" ) && !arg0.equals( "HEAD" ) && !arg0.equals( "BASE" ) );
}
/** {@inheritDoc} */
public ScmProviderRepository makeProviderScmRepository( String scmSpecificUrl, char delimiter )
throws ScmRepositoryException
{
ScmUrlParserResult result = parseScmUrl( scmSpecificUrl, delimiter );
if ( result.getMessages().size() > 0 )
{
throw new ScmRepositoryException( "The scm url is invalid.", result.getMessages() );
}
return result.getRepository();
}
/** {@inheritDoc} */
public ScmProviderRepository makeProviderScmRepository( File path )
throws ScmRepositoryException, UnknownRepositoryStructure
{
if ( path == null || !path.isDirectory() )
{
throw new ScmRepositoryException( path.getAbsolutePath() + " isn't a valid directory." );
}
File cvsDirectory = new File( path, "CVS" );
if ( !cvsDirectory.exists() )
{
throw new ScmRepositoryException( path.getAbsolutePath() + " isn't a cvs checkout directory." );
}
File cvsRootFile = new File( cvsDirectory, "Root" );
File moduleFile = new File( cvsDirectory, "Repository" );
String cvsRoot;
String module;
try
{
cvsRoot = FileUtils.fileRead( cvsRootFile ).trim().substring( 1 );
}
catch ( IOException e )
{
throw new ScmRepositoryException( "Can't read " + cvsRootFile.getAbsolutePath() );
}
try
{
module = FileUtils.fileRead( moduleFile ).trim();
}
catch ( IOException e )
{
throw new ScmRepositoryException( "Can't read " + moduleFile.getAbsolutePath() );
}
return makeProviderScmRepository( cvsRoot + ":" + module, ':' );
}
/** {@inheritDoc} */
public List validateScmUrl( String scmSpecificUrl, char delimiter )
{
ScmUrlParserResult result = parseScmUrl( scmSpecificUrl, delimiter );
return result.getMessages();
}
/** {@inheritDoc} */
public String getScmType()
{
return "cvs";
}
/** {@inheritDoc} */
public AddScmResult add( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (AddScmResult) executeCommand( getAddCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public BranchScmResult branch( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (BranchScmResult) executeCommand( getBranchCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
protected BlameScmResult blame( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (BlameScmResult) executeCommand( getBlameCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public ChangeLogScmResult changelog( ScmProviderRepository repository, ScmFileSet fileSet,
CommandParameters parameters )
throws ScmException
{
return (ChangeLogScmResult) executeCommand( getChangeLogCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public CheckInScmResult checkin( ScmProviderRepository repository, ScmFileSet fileSet,
CommandParameters parameters )
throws ScmException
{
return (CheckInScmResult) executeCommand( getCheckInCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public CheckOutScmResult checkout( ScmProviderRepository repository, ScmFileSet fileSet,
CommandParameters parameters )
throws ScmException
{
return (CheckOutScmResult) executeCommand( getCheckOutCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public DiffScmResult diff( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (DiffScmResult) executeCommand( getDiffCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
protected ExportScmResult export( ScmProviderRepository repository, ScmFileSet fileSet,
CommandParameters parameters )
throws ScmException
{
return (ExportScmResult) executeCommand( getExportCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public LoginScmResult login( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (LoginScmResult) executeCommand( getLoginCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public RemoveScmResult remove( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (RemoveScmResult) executeCommand( getRemoveCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public StatusScmResult status( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (StatusScmResult) executeCommand( getStatusCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
public TagScmResult tag( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (TagScmResult) executeCommand( getTagCommand(), repository, fileSet, parameters );
}
protected TagScmResult tag( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters,
ScmTagParameters scmParameters )
throws ScmException
{
return (TagScmResult) getTagCommand().execute( repository, fileSet, parameters );
}
/** {@inheritDoc} */
public UpdateScmResult update( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (UpdateScmResult) executeCommand( getUpdateCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
protected ListScmResult list( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (ListScmResult) executeCommand( getListCommand(), repository, fileSet, parameters );
}
/** {@inheritDoc} */
protected MkdirScmResult mkdir( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
throws ScmException
{
return (MkdirScmResult) executeCommand( getMkdirCommand(), repository, fileSet, parameters );
}
/**
* @param basedir not null
* @param f not null
* @return the relative path
* @throws ScmException if any
* @throws IOException if any
*/
public static String getRelativePath( File basedir, File f )
throws ScmException, IOException
{
File fileOrDir = getAbsoluteFilePath( f );
if ( !fileOrDir.getPath().startsWith( basedir.getPath() ) )
{
throw new ScmException( fileOrDir.getPath() + " was not contained in " + basedir.getPath() );
}
return fileOrDir.getPath().substring( basedir.getPath().length() + 1, fileOrDir.getPath().length() );
}
// ----------------------------------------------------------------------
// Protected methods
// ----------------------------------------------------------------------
protected ScmUrlParserResult parseScmUrl( String scmSpecificUrl, char delimiter )
{
ScmUrlParserResult result = new ScmUrlParserResult();
String[] tokens = StringUtils.split( scmSpecificUrl, Character.toString( delimiter ) );
if ( tokens.length < 3 )
{
result.getMessages().add( "The connection string contains too few tokens." );
return result;
}
String cvsroot;
String transport = tokens[0];
if ( transport.equalsIgnoreCase( TRANSPORT_LOCAL ) )
{
// use the local repository directory eg. '/home/cvspublic'
cvsroot = tokens[1];
}
else if ( transport.equalsIgnoreCase( TRANSPORT_PSERVER ) || transport.equalsIgnoreCase( TRANSPORT_LSERVER )
|| transport.equalsIgnoreCase( TRANSPORT_EXT ) || transport.equalsIgnoreCase( TRANSPORT_SSPI ) )
{
if ( tokens.length != 4 && transport.equalsIgnoreCase( TRANSPORT_EXT ) )
{
result.getMessages().add( "The connection string contains too few tokens." );
return result;
}
else if ( ( tokens.length < 4 || tokens.length > 6 ) && transport.equalsIgnoreCase( TRANSPORT_PSERVER ) )
{
result.getMessages().add( "The connection string contains too few tokens." );
return result;
}
else if ( tokens.length < 4 || tokens.length > 5 && !transport.equalsIgnoreCase( TRANSPORT_PSERVER ) )
{
result.getMessages().add( "The connection string contains too few tokens." );
return result;
}
else if ( tokens.length < 4 || tokens.length > 5 && transport.equalsIgnoreCase( TRANSPORT_SSPI ) )
{
result.getMessages().add( "The connection string contains too few tokens." );
return result;
}
if ( transport.equalsIgnoreCase( TRANSPORT_LSERVER ) )
{
//create the cvsroot as the local socket cvsroot
cvsroot = tokens[1] + ":" + tokens[2];
}
else
{
//create the cvsroot as the remote cvsroot
if ( tokens.length == 4 )
{
cvsroot = ":" + transport + ":" + tokens[1] + ":" + tokens[2];
}
else
{
cvsroot = ":" + transport + ":" + tokens[1] + ":" + tokens[2] + ":" + tokens[3];
}
}
}
else
{
result.getMessages().add( "Unknown transport: " + transport );
return result;
}
String user = null;
String password = null;
String host = null;
String path = null;
String module = null;
int port = -1;
if ( transport.equalsIgnoreCase( TRANSPORT_PSERVER ) )
{
// set default port, it's necessary for checking entries in .cvspass
port = 2401;
if ( tokens.length == 4 )
{
//pserver:[username@]host:path:module
String userhost = tokens[1];
int index = userhost.indexOf( '@' );
if ( index == -1 )
{
host = userhost;
}
else
{
user = userhost.substring( 0, index );
host = userhost.substring( index + 1 );
}
path = tokens[2];
module = tokens[3];
}
else if ( tokens.length == 6 )
{
//pserver:username:password@host:port:path:module
user = tokens[1];
String passhost = tokens[2];
int index = passhost.indexOf( '@' );
if ( index == -1 )
{
result.getMessages()
.add( "The user_password_host part must be on the form: :@." );
return result;
}
password = passhost.substring( 0, index );
host = passhost.substring( index + 1 );
port = Integer.valueOf( tokens[3] ).intValue();
path = tokens[4];
module = tokens[5];
}
else
{
//tokens.length == 5
if ( tokens[1].indexOf( '@' ) > 0 )
{
//pserver:username@host:port:path:module
String userhost = tokens[1];
int index = userhost.indexOf( '@' );
user = userhost.substring( 0, index );
host = userhost.substring( index + 1 );
port = new Integer( tokens[2] ).intValue();
}
else if ( tokens[2].indexOf( '@' ) >= 0 )
{
//pserver:username:password@host:path:module
//:@
user = tokens[1];
String passhost = tokens[2];
int index = passhost.indexOf( '@' );
password = passhost.substring( 0, index );
host = passhost.substring( index + 1 );
}
else
{
//pserver:host:port:path:module
try
{
port = new Integer( tokens[2] ).intValue();
}
catch ( Exception e )
{
//incorrect
result.getMessages().add( "Your scm url is invalid." );
return result;
}
host = tokens[1];
}
path = tokens[3];
module = tokens[4];
}
String userHost = host;
if ( user != null )
{
userHost = user + "@" + host;
}
// cvsroot format is :pserver:[user@]host:[port]path
cvsroot = ":" + transport + ":" + userHost + ":";
if ( port != -1 )
{
cvsroot += port;
}
cvsroot += path;
}
else if ( transport.equalsIgnoreCase( TRANSPORT_SSPI ) )
{
//sspi:[username@]host:[port]path:module
String userhost = tokens[1];
int index = userhost.indexOf( '@' );
if ( index == -1 )
{
user = "";
host = userhost;
}
else
{
user = userhost.substring( 0, index );
host = userhost.substring( index + 1 );
}
// no port specified
if ( tokens.length == 4 )
{
path = tokens[2];
module = tokens[3];
}
else
{
// getting port
try
{
port = new Integer( tokens[2] ).intValue();
path = tokens[3];
module = tokens[4];
}
catch ( Exception e )
{
//incorrect
result.getMessages().add( "Your scm url is invalid, could not get port value." );
return result;
}
}
// cvsroot format is :sspi:host:path
cvsroot = ":" + transport + ":" + host + ":";
if ( port != -1 )
{
cvsroot += port;
}
cvsroot += path;
}
else
{
if ( !transport.equalsIgnoreCase( TRANSPORT_LOCAL ) )
{
String userhost = tokens[1];
int index = userhost.indexOf( '@' );
if ( index == -1 )
{
host = userhost;
}
else
{
user = userhost.substring( 0, index );
host = userhost.substring( index + 1 );
}
}
if ( transport.equals( TRANSPORT_LOCAL ) )
{
path = tokens[1];
module = tokens[2];
if ( module != null && module.startsWith( "/" ) )
{
module = module.substring( 1 );
}
}
else
{
if ( tokens.length == 4 )
{
path = tokens[2];
module = tokens[3];
}
else
{
port = new Integer( tokens[2] ).intValue();
path = tokens[3];
module = tokens[4];
}
}
}
if ( port == -1 )
{
result.setRepository( new CvsScmProviderRepository( cvsroot, transport, user, password, host, path,
module ) );
}
else
{
result.setRepository( new CvsScmProviderRepository( cvsroot, transport, user, password, host, port,
path, module ) );
}
return result;
}
protected abstract Command getAddCommand();
protected abstract Command getBranchCommand();
protected abstract Command getBlameCommand();
protected abstract Command getChangeLogCommand();
protected abstract Command getCheckInCommand();
protected abstract Command getCheckOutCommand();
protected abstract Command getDiffCommand();
protected abstract Command getExportCommand();
protected abstract Command getListCommand();
protected abstract Command getLoginCommand();
protected abstract Command getRemoveCommand();
protected abstract Command getStatusCommand();
protected abstract Command getTagCommand();
protected abstract Command getUpdateCommand();
protected abstract Command getMkdirCommand();
// ----------------------------------------------------------------------
// Private methods
// ----------------------------------------------------------------------
private ScmResult executeCommand( Command command, ScmProviderRepository repository, ScmFileSet fileSet,
CommandParameters parameters )
throws ScmException
{
fileSet = fixUpScmFileSetAbsoluteFilePath( fileSet );
command.setLogger( getLogger() );
return command.execute( repository, fileSet, parameters );
}
/**
* CVS provider requires that all files in ScmFileSet must be relative to basedir
* This function ensures and converts all absolute paths to relative paths
*
* @param currentFileSet
* @return
* @throws ScmException
*/
private static ScmFileSet fixUpScmFileSetAbsoluteFilePath( ScmFileSet currentFileSet )
throws ScmException
{
ScmFileSet newFileSet = null;
try
{
File basedir = getAbsoluteFilePath( currentFileSet.getBasedir() );
List fixedFiles = new ArrayList( currentFileSet.getFileList().size() );
for ( File file : currentFileSet.getFileList() )
{
if ( file.isAbsolute() )
{
fixedFiles.add( new File( getRelativePath( basedir, file ) ) );
}
else
{
fixedFiles.add( file );
}
}
newFileSet = new ScmFileSet( basedir, fixedFiles );
}
catch ( IOException e )
{
throw new ScmException( "Invalid file set.", e );
}
return newFileSet;
}
private static File getAbsoluteFilePath( File fileOrDir )
throws IOException
{
String javaPathString = fileOrDir.getCanonicalPath().replace( '\\', '/' );
if ( javaPathString.endsWith( "/" ) )
{
javaPathString = javaPathString.substring( 0, javaPathString.length() - 1 );
}
return new File( javaPathString );
}
}
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