001    package org.apache.maven.scm.provider.cvslib.cvsjava.util;
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.netbeans.lib.cvsclient.event.CVSAdapter;
023    import org.netbeans.lib.cvsclient.event.MessageEvent;
024    
025    /**
026     * A basic implementation of a CVS listener. It merely saves up
027     * into StringBuilders the stdout and stderr printstreams.
028     *
029     * @author <a href="mailto:epugh@upstate.com">Eric Pugh</a>
030     *
031     */
032    public class CvsLogListener
033        extends CVSAdapter
034    {
035        private final StringBuffer taggedLine = new StringBuffer();
036    
037        private StringBuffer stdout = new StringBuffer();
038    
039        private StringBuffer stderr = new StringBuffer();
040    
041        /**
042         * Called when the server wants to send a message to be displayed to the
043         * user. The message is only for information purposes and clients can
044         * choose to ignore these messages if they wish.
045         *
046         * {@inheritDoc}
047         */
048        public void messageSent( MessageEvent e )
049        {
050            String line = e.getMessage();
051            StringBuffer stream = e.isError() ? stderr : stdout;
052    
053            if ( e.isTagged() )
054            {
055                String message = MessageEvent.parseTaggedMessage( taggedLine, e.getMessage() );
056                if ( message != null )
057                {
058                    //stream.println(message);
059                    stream.append( message ).append( "\n" );
060    
061                }
062            }
063            else
064            {
065                //stream.println(line);
066                stream.append( line ).append( "\n" );
067    
068            }
069        }
070    
071        /**
072         * @return Returns the standard output from cvs as a StringBuilder..
073         */
074        public StringBuffer getStdout()
075        {
076            return stdout;
077        }
078    
079        /**
080         * @return Returns the standard error from cvs as a StringBuilder..
081         */
082        public StringBuffer getStderr()
083        {
084            return stderr;
085        }
086    }