001    package org.apache.maven.scm.provider.perforce.command.login;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     * http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    import org.apache.maven.scm.provider.perforce.command.AbstractPerforceConsumer;
023    import org.apache.regexp.RE;
024    import org.codehaus.plexus.util.cli.StreamConsumer;
025    
026    /**
027     * @author Mike Perham
028     * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
029     *          evenisse $
030     */
031    public class PerforceLoginConsumer
032        extends AbstractPerforceConsumer
033        implements StreamConsumer
034    {
035    
036        private static final String LOGIN_PATTERN = "^User [^ ]+ logged in.$";
037    
038        public static final int STATE_LOGIN = 1;
039    
040        public static final int STATE_ERROR = 2;
041    
042        private int currentState = STATE_LOGIN;
043    
044        /** {@inheritDoc} */
045        public void consumeLine( String line )
046        {
047            if ( line.startsWith( "Enter password:" ) )
048            {
049                return;
050            }
051            if ( currentState != STATE_ERROR && new RE( LOGIN_PATTERN ).match( line ) )
052            {
053                return;
054            }
055    
056            error( line );
057        }
058    
059        private void error( String line )
060        {
061            currentState = STATE_ERROR;
062            output.println( line );
063        }
064    
065        public boolean isSuccess()
066        {
067            return currentState == STATE_LOGIN;
068        }
069    }